hash
stringlengths
32
32
doc_id
stringlengths
5
12
section
stringlengths
5
1.47k
content
stringlengths
0
6.67M
ff9f00e514ee34b6ce3c3436640d4dec
33.785
6.7.3 Evaluation
None.
ff9f00e514ee34b6ce3c3436640d4dec
33.785
6.8 Solution #7: Security and Authorization for Exposure of UE Data towards OTT Servers
ff9f00e514ee34b6ce3c3436640d4dec
33.785
6.8.1 Introduction
This clause outlines the security considerations for AF authentication, communication security between NEF and AF and authorization for data collection procedure between both AFs and DCF utilizing NRF token-based approach. General mechanism to utilise the token-based authorization is specified in clause 13.4.1 of TS 33...
ff9f00e514ee34b6ce3c3436640d4dec
33.785
6.8.2 Solution details
NOTE 1: Whether the DCF is a new NF or the existing one is not addressed in the present document. Figure 6.8.2-1: Authorization for Exposure of UE Data towards OTT Servers 1a. In case of untrusted AF OTT server, the NEF registers its NF profile at the NRF with AF’s related parameters that includes AF ID, data cont...
ff9f00e514ee34b6ce3c3436640d4dec
33.785
6.8.3 Evaluation
None.
ff9f00e514ee34b6ce3c3436640d4dec
33.785
6.9 Solution #8: Authorization for Exposure of UE Data towards OTT Servers
ff9f00e514ee34b6ce3c3436640d4dec
33.785
6.9.1 Introduction
As studied in TR 23.700-04 [2], the CN may exposure the data to the OTT Servers. These data are collected by the CN from various UEs which may belong to different Vendors or TACs. And some vendors or chipsets vendors may have concern to exposure the data of its product (e.g., UE or chipset) to other vendors. The CN nee...
ff9f00e514ee34b6ce3c3436640d4dec
33.785
6.9.2 Solution details
Figure 6.9.2-1: Authorization for Exposure of UE Data towards OTT Servers 0. The OTT servers register the data exposure concerns to the CN. The data exposure concerns include: UE information (e.g., Vendor ID, TAC) and its allowed vendor list. The OTT server agree to exposure the data collected from the UE in the UE ...
ff9f00e514ee34b6ce3c3436640d4dec
33.785
6.9.3 Evaluation
None.
ff9f00e514ee34b6ce3c3436640d4dec
33.785
6.10 Solution #9: Secure mechanism for NEF and OTT/AF interaction
ff9f00e514ee34b6ce3c3436640d4dec
33.785
6.10.1 Introduction
This solution addresses KI#2. Specifically, existing mechanisms defined in TS 33.501 [3] are reused to address the issue.
ff9f00e514ee34b6ce3c3436640d4dec
33.785
6.10.2 Solution details
TLS based mechanism defined in clause 12.2 of TS 33.501 [3] is reused for mutual authentication between the NEF and the OTT/AF servers handling UE-related data. Authorization mechanism defined in clause 12.4 or 12.5 of TS 33.501 [3] is reused for authorizing services related to exposure of UE-related data to the OTT ...
ff9f00e514ee34b6ce3c3436640d4dec
33.785
6.10.3 Evaluation
Existing TLS based mechanism defined in clause 12 of TS 33.501 [3] can be reused for mutual authentication and communication protection between NEF and the OTT/AF servers handling UE-related data. NOTE: Evaluation is not completed.
ff9f00e514ee34b6ce3c3436640d4dec
33.785
6.11 Solution #10: Granular authorization for OTT/AF
ff9f00e514ee34b6ce3c3436640d4dec
33.785
6.11.1 Introduction
This solution addresses requirements of key issue #2.
ff9f00e514ee34b6ce3c3436640d4dec
33.785
6.11.2 Solution details
When AF or OTT requests UE-side model training data from DCF via NEF, the exposure of such UE data outside the 3GPP domain introduces security risks requiring control at the exposure interface, particularly for authorization. Figure 6.11.2-1: Granular authorization for OTT/AF 1: An AF/OTT server requests UE-side mo...
ff9f00e514ee34b6ce3c3436640d4dec
33.785
6.11.3 Evaluation
None.
ff9f00e514ee34b6ce3c3436640d4dec
33.785
6.12 Solution #11: Security of UE connection setup with Data Collection NF using TLS
ff9f00e514ee34b6ce3c3436640d4dec
33.785
6.12.1 Introduction
This solution addresses Key Issue #1 "Security of UE connection setup with Data Collection NF".
ff9f00e514ee34b6ce3c3436640d4dec
33.785
6.12.2 Solution details
This solution proposes that the security between the UE and the Data Collection NF is based on TLS. TLS is a well-established security protocol at the transport layer and provides authentication, confidentiality, integrity and replay protection. Authentication of the Data Collection NF towards the UE can be based on ...
ff9f00e514ee34b6ce3c3436640d4dec
33.785
6.12.3 Evaluation
None.
ff9f00e514ee34b6ce3c3436640d4dec
33.785
7 Conclusions
ff9f00e514ee34b6ce3c3436640d4dec
33.785
7.1 Conclusion for Key Issue #1
The architecture does not support the KI and therefore no normative work is performed.
ff9f00e514ee34b6ce3c3436640d4dec
33.785
7.2 Conclusion for Key Issue #2
The architecture does not support the KI and therefore no normative work is performed. Annex A: Change history Change history Date Meeting TDoc CR Rev Cat Subject/Comment New version 2025-08 SA3#123 S3-253064 S3-252564, S3-252988, S3-252990 for endorsed TR skeleton, overview and new key issue 0....
d1b6cddbf8b8197fec2cac64684aa95b
33.786
1 Scope
The present document has the following objectives: • Identify and study the authentication and authorization aspects for AIMLE services specified in TS 23.482 [3]. • Study the solutions to address the identified scenarios to support AIMLE service security. NOTE 1: For the above objectives existing SEAL se...
d1b6cddbf8b8197fec2cac64684aa95b
33.786
2 References
The following documents contain provisions which, through reference in this text, constitute provisions of the present document. - References are either specific (identified by date of publication, edition number, version number, etc.) or non‑specific. - For a specific reference, subsequent revisions do not apply. -...
d1b6cddbf8b8197fec2cac64684aa95b
33.786
3 Definitions of terms, symbols and abbreviations
d1b6cddbf8b8197fec2cac64684aa95b
33.786
3.1 Terms
For the purposes of the present document, the terms given in TR 21.905 [1] and the following apply. A term defined in the present document takes precedence over the definition of the same term, if any, in TR 21.905 [1]. example: text used to clarify abstract rules by applying them literally.
d1b6cddbf8b8197fec2cac64684aa95b
33.786
3.2 Symbols
For the purposes of the present document, the following symbols apply: <symbol> <Explanation>
d1b6cddbf8b8197fec2cac64684aa95b
33.786
3.3 Abbreviations
For the purposes of the present document, the abbreviations given in TR 21.905 [1] and the following apply. An abbreviation defined in the present document takes precedence over the definition of the same abbreviation, if any, in TR 21.905 [1]. AIMLE AI/ML enablement ADAE Application Data Analytics Enablement FL ...
d1b6cddbf8b8197fec2cac64684aa95b
33.786
4 Security Assumptions
The AIMLE security should use authorization aspects specified in TS 33.434 [2] as baseline. The AIMLE server is deployed as a SEAL server, hence SEAL architecture is enhanced to incorporate the AIMLE service as shown below, where Figure 4-1 illustrates the service-based representation including AIMLE server as part of...
d1b6cddbf8b8197fec2cac64684aa95b
33.786
5 Key Issues
d1b6cddbf8b8197fec2cac64684aa95b
33.786
5.1 Key Issue #1: Authorization for AIMLE Service Security for AIML members
d1b6cddbf8b8197fec2cac64684aa95b
33.786
5.1.1 Key issue details
3GPP TS 23.482 [3] introduces support for AIMLE services, enabling AI/ML operations through interactions between the AIMLE client and AIMLE server(s) over the AIML-UU reference point, and between the VAL servers and AIMLE servers over AIML-S respectively. These services involve distributed AI/ML operations across mul...
d1b6cddbf8b8197fec2cac64684aa95b
33.786
5.1.2 Security threats
Unauthorized AIMLE members (e.g., FL members) participating in AIMLE services may gain access to data exchanged between AIMLE clients and servers. Lack of robust authorization allows unreliable or unauthorized AIMLE members (e.g., FL members) to degrade the quality, efficiency, or availability of AIMLE operations.
d1b6cddbf8b8197fec2cac64684aa95b
33.786
5.1.3 Potential security requirements
The 3GPP system shall support authorization mechanisms for AIML members (e.g., FL members) utilising AIMLE services for various AIMLE procedures.
d1b6cddbf8b8197fec2cac64684aa95b
33.786
5.2 Key Issue #2: Secure AIMLE ML Model Access
d1b6cddbf8b8197fec2cac64684aa95b
33.786
5.2.1 Key Issue details
TS 23.482 [3] describes AIMLE services which supports ML Model retrieval, ML model training, ML model management (model information storage and discovery) ML model update, and ML model selection aspects. AIMLE Services uses SEAL as the fundamental architecture and the authorization aspects of SEAL Security in TS 33.434...
d1b6cddbf8b8197fec2cac64684aa95b
33.786
5.2.2 Security threats
Unauthorized AIMLE client(s)/ VAL server using AIMLE services may gain access to ML model data leading to leakage of model. Lack of robust authorization allows unauthorized AIMLE client(s) or VAL servers to degrade the quality, efficiency, or availability of AIMLE operations.
d1b6cddbf8b8197fec2cac64684aa95b
33.786
5.2.3 Potential security requirements
The 3GPP system shall support authorization to secure AIMLE service-based ML Model operations such as retrieval, training, update, selection, and management (i.e., ML model information storage and discovery).
d1b6cddbf8b8197fec2cac64684aa95b
33.786
6 Solutions
d1b6cddbf8b8197fec2cac64684aa95b
33.786
6.1 Solution #1: Authorization for AIMLE Services
d1b6cddbf8b8197fec2cac64684aa95b
33.786
6.1.1 Introduction
This solution address KI#1.
d1b6cddbf8b8197fec2cac64684aa95b
33.786
6.1.2 Solution details
AIMLE authorization related to AIML Services can reuse the authorization procedure specified in TS 33.434 [2] clause 5.2.2 (SEAL service authorization) and clause B.3.3 (SEAL service authorization) as the baseline where, SIM-S acts as an authorization server and issues access token to the AIMLE service consumer. The AI...
d1b6cddbf8b8197fec2cac64684aa95b
33.786
6.1.3 Evaluation
The solution uses the SEAL service authorization procedure as baseline with the following impacts: SIM-S acts as an authorization server for enabling the AIMLE security. To secure the SEAL based AIMLE Services, this solution provides enhancements to the access token claims (such as AIMLE resource specific additional...
d1b6cddbf8b8197fec2cac64684aa95b
33.786
6.2 Solution #2: Authorization of AIMLE clients acting as FL members for access to AIMLE Service Security
d1b6cddbf8b8197fec2cac64684aa95b
33.786
6.2.1 Introduction
This solution proposes the authorization of AIMLE clients in support of federated learning (FL). It ensures that only authorized clients (FL members) are selected, and that secure token-based verification is performed using authorization server. Tokens include only the minimum required claims such as ML model ID / Appl...
d1b6cddbf8b8197fec2cac64684aa95b
33.786
6.2.2 Solution details
d1b6cddbf8b8197fec2cac64684aa95b
33.786
6.2.2.1 The procedure for AIMLE clients’ authorization
Figure 6.2.2.1-1 Authorization’s procedure of AIMLE clients acting as FL members 1. The VAL server sends a FL member grouping support request to the AIMLE server. The request includes the requestor ID, security credentials, and FL grouping criteria (e.g., grouping method, member selection criteria). The initial req...
d1b6cddbf8b8197fec2cac64684aa95b
33.786
6.2.3 Evaluation
This solution addresses authorization in AIMLE client-related service procedures in TS 23.482 (e.g., client selection, participation, and FL member grouping in clauses 8.8-8.10, 8.13, 8.17) by requiring VAL servers to provide authenticated credentials for requests, enabling AIMLE servers to monitor and select clients w...
d1b6cddbf8b8197fec2cac64684aa95b
33.786
6.3 Solution #3: Re-using existing mechanisms
d1b6cddbf8b8197fec2cac64684aa95b
33.786
6.3.1 Introduction
This solution addresses key issue #1 (Authorization for AIMLE Service Security for AIML members) and key issue #2 (Secure AIMLE ML Model Access) by re-using existing mechanisms available in SEAL security architecture.
d1b6cddbf8b8197fec2cac64684aa95b
33.786
6.3.2 Solution details
As stated in TS 29.482 [7], the AIMLE Layer forms part of the SEAL Enabler Layer defined in 3GPP TS 23.434 [5]. The entity AIMLE client becomes a special SEAL client, AIMLE server becomes a special SEAL server, ML repository is a repository that can be accessed by the AIMLE server. With that information, the mapping of...
d1b6cddbf8b8197fec2cac64684aa95b
33.786
6.3.3 Evaluation
This solution addresses the requirements in key issue #1 and #2 by proposing re-usage of existing SEAL security mechanisms specified in TS 33.434 [2] having no impact on the base existing SEAL security system. The solution leaves AIMLE information specific authorization to static local authorization. The case of how a...
d1b6cddbf8b8197fec2cac64684aa95b
33.786
6.4 Solution #4: Authorization for Secure AIMLE based ML Model Access
d1b6cddbf8b8197fec2cac64684aa95b
33.786
6.4.1 Introduction
This solution address KI#2.
d1b6cddbf8b8197fec2cac64684aa95b
33.786
6.4.2 Solution details
AIMLE authorization related to AIML Services can reuse the authorization procedure specified in TS 33.434 [2] clause 5.2.2 (SEAL service authorization) and clause B.3.3 (SEAL service authorization) as the baseline where, SIM-S acts as an authorization server and issues access token to the AIMLE service consumer. The AI...
d1b6cddbf8b8197fec2cac64684aa95b
33.786
6.4.3 Evaluation
The solution uses the SEAL service authorization procedure as baseline with the following impacts: SIM-S acts as an authorization server for enabling the AIMLE security. To secure the SEAL based AIMLE Services, this solution provides enhancements to the access token claims (such as AIMLE resource specific additional ...
d1b6cddbf8b8197fec2cac64684aa95b
33.786
6.5 Solution #5: FL member authorization for AIMLE services
d1b6cddbf8b8197fec2cac64684aa95b
33.786
6.5.1 Introduction
As specified in TS 23.482 [3], the FL members consuming the AIMLE services are AIMLE or VAL server or VAL clients. There are several procedures defined such as ML model retrieval, ML model training, FL member registration, event subscription, AIMLE client registration/discovery/selection/participation so on. As most o...
d1b6cddbf8b8197fec2cac64684aa95b
33.786
6.5.2 Solution details
For any interaction between AIMLE clients and the AIMLE server, the AIMLE client is provided with the access token by the SIM-S as specified in 5.2 of clause 33.434 [2]. For any interaction between VAL server and AIMLE server (e.g., model training), the VAL server is provisioned with an access token by out of band mea...
d1b6cddbf8b8197fec2cac64684aa95b
33.786
6.5.3 Evaluation
This solution addresses the requirements for key issue#1 and key issue#2 by re-using existing mechanisms specified in TS 33.434 [2] and TS 33.122 [a].
d1b6cddbf8b8197fec2cac64684aa95b
33.786
7 Conclusions
d1b6cddbf8b8197fec2cac64684aa95b
33.786
7.1 Key Issue #1: Authorization for AIMLE Service Security for AIML members
Editor’s Note: This clause contains the agreed conclusions for Key Issue #1. For any interaction between AIMLE clients and the AIMLE server, the AIMLE client is provided with the access token by the SIM-S as specified in 5.2 of clause 33.434 [2]. For any interaction between VAL server and AIMLE server, the mechanism...
d1b6cddbf8b8197fec2cac64684aa95b
33.786
7.2 Key Issue #2: Secure AIMLE ML Model Access
Editor’s Note: This clause contains the agreed conclusions for Key Issue #2. The conclusion for key issue#2 follows same principles as described in clause 7.1. Annex A: Change history Change history Date Meeting TDoc CR Rev Cat Subject/Comment New version 2025-08 SA3#123 S3-252919 AIMLE Serv...
d5a4674079022b1e119b815facd2ddd5
33.801-01
1 Scope
This document studies potential security and privacy architecture and procedures for 6G mobile networks for improvement of existing services and support of new services, to meet the 6G system requirements and architecture. One goal of this document is to study how to create lean and streamlined standards for 6G, e.g....
d5a4674079022b1e119b815facd2ddd5
33.801-01
2 References
The following documents contain provisions which, through reference in this text, constitute provisions of the present document. - References are either specific (identified by date of publication, edition number, version number, etc.) or non‑specific. - For a specific reference, subsequent revisions do not apply. -...
d5a4674079022b1e119b815facd2ddd5
33.801-01
3 Definitions of terms, symbols and abbreviations
d5a4674079022b1e119b815facd2ddd5
33.801-01
3.1 Terms
For the purposes of the present document, the terms given in TR 21.905 [1] and the following apply. A term defined in the present document takes precedence over the definition of the same term, if any, in TR 21.905 [1]. example: text used to clarify abstract rules by applying them literally.
d5a4674079022b1e119b815facd2ddd5
33.801-01
3.2 Symbols
For the purposes of the present document, the following symbols apply: <symbol> <Explanation>
d5a4674079022b1e119b815facd2ddd5
33.801-01
3.3 Abbreviations
For the purposes of the present document, the abbreviations given in TR 21.905 [1] and the following apply. An abbreviation defined in the present document takes precedence over the definition of the same abbreviation, if any, in TR 21.905 [1]. <ABBREVIATION> <Expansion>
d5a4674079022b1e119b815facd2ddd5
33.801-01
4 Security Areas and High Level Security Requirements
d5a4674079022b1e119b815facd2ddd5
33.801-01
4.1 Security Areas
Editor's Note: This clause further clarifies the scope of the study by listing the security areas that SA3 is working on. This document includes the following security areas: 1. Security Architecture deals with aspects such as identifying the different security domains and their characteristics, defining the di...
d5a4674079022b1e119b815facd2ddd5
33.801-01
4.2 Potential High Level Security Requirements
Editor's Note: This clause will document high-level requirements that guide the study.
d5a4674079022b1e119b815facd2ddd5
33.801-01
5 Key Issues
d5a4674079022b1e119b815facd2ddd5
33.801-01
5.1 Security Area #1: Security Architecture
d5a4674079022b1e119b815facd2ddd5
33.801-01
5.1.1 Introduction
This security area addresses the security principles, features, and requirements inherent to the security and trust architecture of 6G systems. This will lay the foundation for all the procedures and the mechanisms necessary to protect the communication and facilitate trust establishment between the UE and the network ...
d5a4674079022b1e119b815facd2ddd5
33.801-01
5.1.3 Key Issues
Editor’s note: This clause will contain the key issues that need to be addressed by SA3 on each security area. The exact contents are FFS.
d5a4674079022b1e119b815facd2ddd5
33.801-01
5.1.3.1 Key Issue #1.1: Security Domains and Trust Anchors
d5a4674079022b1e119b815facd2ddd5
33.801-01
5.1.3.1.1 Key issue details
This Key Issue investigates security aspects of the security domains and trust anchors in 6GS. Editor's note: Further details are FFS.
d5a4674079022b1e119b815facd2ddd5
33.801-01
5.1.3.1.2 Security threats
N/A
d5a4674079022b1e119b815facd2ddd5
33.801-01
5.1.3.1.3 Potential security requirements
N/A
d5a4674079022b1e119b815facd2ddd5
33.801-01
5.1.3.1.4 Interim agreements
TBD Editor's note: This clause will include the principles that are agreed as work progresses for the specific KI#x.y. This may be populated directly or e.g. also when a topic in Area #x gets resolved and a principle is agreed. Where there is consensus, interim agreements pertaining to this key issue (e.g. solution pr...
d5a4674079022b1e119b815facd2ddd5
33.801-01
5.1.3.2 Key Issue #1.2: 6G Key Hierarchy
d5a4674079022b1e119b815facd2ddd5
33.801-01
5.1.3.2.1 Key issue details
This Key Issue investigates security aspects of the key hierarchy in 6GS. Editor's note: Further details are FFS.
d5a4674079022b1e119b815facd2ddd5
33.801-01
5.1.3.2.2 Security threats
N/A
d5a4674079022b1e119b815facd2ddd5
33.801-01
5.1.3.2.3 Potential security requirements
N/A
d5a4674079022b1e119b815facd2ddd5
33.801-01
5.1.3.2.4 Interim agreements
TBD Editor's note: This clause will include the principles that are agreed as work progresses for the specific KI#x.y. This may be populated directly or e.g. also when a topic in Area #x gets resolved and a principle is agreed. Where there is consensus, interim agreements pertaining to this key issue (e.g. solution pr...
d5a4674079022b1e119b815facd2ddd5
33.801-01
5.2 Security Area #2: RAN Security
d5a4674079022b1e119b815facd2ddd5
33.801-01
5.2.1 Introduction
Purpose is to study potential attack vectors, vulnerabilities, security and privacy risks, impact and mitigations. This includes the following aspects: Editor’s Note: To be aligned with TR 38.914 [1] and TR 38.760-2 [2] as 6G RAN study progresses in RAN WGs. - Radio protocol stack, architecture and procedures Edito...
d5a4674079022b1e119b815facd2ddd5
33.801-01
5.2.2 Security Assumptions
Editor's Note: This clause will document security assumptions related to each security area.
d5a4674079022b1e119b815facd2ddd5
33.801-01
5.2.3 Key Issues
Editor’s note: This clause will contain the key issues that need to be addressed by SA3 on each security area. The exact contents are FFS.
d5a4674079022b1e119b815facd2ddd5
33.801-01
5.2.3.1 Key Issue # 2.1: MAC CE Security
5.2.3.1.1 Key issue details In 5G NR, MAC Control Elements (MAC CEs) are used to convey time‑critical control information within the MAC layer, such as scheduling control, buffer status, timing advance, and resource management signaling. The MAC layer forms a payload from the layers above and adds its own Control...
d5a4674079022b1e119b815facd2ddd5
33.801-01
5.2.3.2 Key Issue #2.2: Security for RAN Mobility
d5a4674079022b1e119b815facd2ddd5
33.801-01
5.2.3.2.1 Key issue details
Mobility within 6G radio and between 5G NR and 6G radio introduces challenges related to security context handling. In legacy systems (4G/5G), key separation cannot be achieved immediately during X2/Xn handover. This key issue investigates whether and how key separation between the source and target RAN nodes during ...
d5a4674079022b1e119b815facd2ddd5
33.801-01
5.2.3.2.2 Security threats
Editor's Note: threats are FFS.
d5a4674079022b1e119b815facd2ddd5
33.801-01
5.2.3.2.3 Potential security requirements
Editor's Note: potential security requirements are FFS.
d5a4674079022b1e119b815facd2ddd5
33.801-01
5.2.3.2.4 Interim agreements
Editor's note: This clause will include the principles that are agreed as work progresses for the specific KI#x.y. This may be populated directly or e.g. also when a topic in Area #x gets resolved and a principle is agreed. Where there is consensus, interim agreements pertaining to this key issue (e.g. solution princip...
d5a4674079022b1e119b815facd2ddd5
33.801-01
5.3 Security Area #3: UE to Core Network Security
d5a4674079022b1e119b815facd2ddd5
33.801-01
5.3.1 Introduction
This security area studies how to establish and manage secure communication(s) between the UE and the Core Network. This includes the following aspects: Editor's Note: work is to be aligned and in coordination with TR 23.801-01 [4] based on SA2 progress. Editor's Note: Any potential NAS impact due to the use of AEAD...