A weakness has been identified in Open5GS up to 2.7.6. Affected by this issue is the function sgwc_s5c_handle_create_session_response of the file src/sgwc/s5c-handler.c of the component GTPv2-C Flow Handler. Executing a manipulation can lead to denial of service. The attack needs to be launched locally. The exploit has been made available to the public and could be used for attacks. This patch is called 5aaa09907e7b9e0a326265a5f08d56f54280b5f2. It is advisable to implement a patch to correct this issue.
Weakness
The product does not release or incorrectly releases a resource before it is made available for re-use.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Open5gs | Open5gs | * | 2.7.6 (including) |
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/5aaa09907e7b9e0a326265a5f08d56f54280b5f2
- https://github.com/open5gs/open5gs/issues/4224
- https://github.com/open5gs/open5gs/issues/4224#issue-3766767406
- https://github.com/open5gs/open5gs/issues/4224#issuecomment-3698521008
- https://vuldb.com/?ctiid.339341
- https://vuldb.com/?id.339341
- https://vuldb.com/?submit.728044