Description
A vulnerability was identified in Open5GS up to 2.7.5. Affected by this vulnerability is the function amf_npcf_am_policy_control_build_create/amf_nsmf_pdusession_build_create_sm_context of the file src/amf/npcf-build.c of the component AMF. The manipulation leads to denial of service. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 2.7.6 is able to address this issue. The patch is named cf63dd63197bf61a4b041aa364ba6a6199ab15e4. It is recommended to upgrade the affected component.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | Open5GS | 2.7.0, 2.7.1, 2.7.2, 2.7.3, 2.7.4, 2.7.5 | 2.7.6 |
References
- VDB-319327 | Open5GS AMF npcf-build.c amf_nsmf_pdusession_build_create_sm_context denial of service vdb-entry technical-description
- VDB-319327 | CTI Indicators (IOB, IOC, TTP, IOA) signature permissions-required
- Submit #626112 | Open5GS <=v2.7.5 Denail of Service third-party-advisory
- https://github.com/open5gs/open5gs/issues/3979 issue-tracking
- https://github.com/open5gs/open5gs/issues/3979#issuecomment-3054369376 issue-tracking
- https://github.com/user-attachments/files/21104682/5g_amf_crash_ran.zip exploit
- https://github.com/open5gs/open5gs/commit/cf63dd63197bf61a4b041aa364ba6a6199ab15e4 patch
- https://github.com/open5gs/open5gs/releases/tag/v2.7.6 patch
- https://github.com/ZHENGHAOHELLO/BugReport/blob/main/CVE-2025-8799 related