Open5GS AMF gmm-sm.c gmm_state_authentication denial of service
Vulnerability Description
A vulnerability was found in Open5GS up to 2.7.2. It has been declared as problematic. Affected by this vulnerability is the function gmm_state_authentication of the file src/amf/gmm-sm.c of the component AMF. The manipulation leads to denial of service. The attack can be launched remotely. This vulnerability allows a single UE to crash the AMF, resulting in the complete loss of mobility and session management services and causing a network-wide outage. All registered UEs will lose connectivity, and new registrations will be blocked until the AMF is restarted, leading to a high availability impact. The exploit has been disclosed to the public and may be used. The patch is named e31e9965f00d9c744a7f728497cb4f3e97744ee8. It is recommended to apply a patch to fix this issue.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
Am I Vulnerable?
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Credits & Attribution
The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:
- Wei Guo
- Yuanhao Li
- Hao Zheng
- Qiang Fu
- Jiajia Liu
- EnginerStaticPower (VulDB User)
- EnginerStaticPower (VulDB User)
References
- https://vuldb.com/?id.298411
- https://vuldb.com/?ctiid.298411
- https://vuldb.com/?submit.505952
- https://github.com/open5gs/open5gs/issues/3707
- https://github.com/open5gs/open5gs/issues/3707#issuecomment-2639620554
- https://github.com/open5gs/open5gs/issues/3707#issue-2833194192
- https://github.com/open5gs/open5gs/commit/e31e9965f00d9c744a7f728497cb4f3e97744ee8
