CVE-2025-8799

A vulnerability was found in Open5GS up to 2.7.5. It has been declared as problematic. 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.

Weakness

The product does not release or incorrectly releases a resource before it is made available for re-use.

Potential Mitigations

• Use a language that does not allow this weakness to occur or provides constructs that make this weakness easier to avoid.
• For example, languages such as Java, Ruby, and Lisp perform automatic garbage collection that releases memory for objects that have been deallocated.

Related Attack Patterns

• https://cwe.mitre.org/data/definitions/125.html
• https://cwe.mitre.org/data/definitions/130.html
• https://cwe.mitre.org/data/definitions/131.html
• https://cwe.mitre.org/data/definitions/494.html
• https://cwe.mitre.org/data/definitions/495.html
• https://cwe.mitre.org/data/definitions/496.html
• https://cwe.mitre.org/data/definitions/666.html

References

• https://github.com/open5gs/open5gs/commit/cf63dd63197bf61a4b041aa364ba6a6199ab15e4
• https://github.com/open5gs/open5gs/issues/3979
• https://github.com/open5gs/open5gs/issues/3979#issuecomment-3054369376
• https://github.com/open5gs/open5gs/releases/tag/v2.7.6
• https://github.com/user-attachments/files/21104682/5g_amf_crash_ran.zip
• https://vuldb.com/?ctiid.319327
• https://vuldb.com/?id.319327
• https://vuldb.com/?submit.626112