CVE-2024-56921 Information

Description

An issue was discovered in Open5gs v2.7.2. InitialUEMessage Registration request sent at a specific time can crash AMF due to incorrect error handling of gmm_state_exception() function upon receipt of the Nausf_UEAuthentication_Authenticate response.

Reference

https://github.com/open5gs/open5gs/commit/f780f9af45c27b6f49987d96ba71dedb3dd85840 https://github.com/open5gs/open5gs/issues/3608