Description
A vulnerability was determined in Open5GS up to 2.7.6. The affected element is the function smf_gx_cca_cb/smf_gy_cca_cb/smf_s6b_aaa_cb/smf_s6b_sta_cb of the component CCA Handler. This manipulation causes denial of service. The attack can be initiated remotely. The exploit has been publicly disclosed and may be utilized. Upgrading to version 2.7.7 is sufficient to fix this issue. Patch name: 80eb484a6ab32968e755e628b70d1a9c64f012ec. Upgrading the affected component is recommended.
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 | 2.7.7 |
References
- VDB-351182 | Open5GS CCA smf_s6b_sta_cb denial of service vdb-entry technical-description
- VDB-351182 | CTI Indicators (IOB, IOC, TTP, IOA) signature permissions-required
- Submit #771361 | Open5GS MME v2.7.6 Improper Authentication third-party-advisory
- https://github.com/open5gs/open5gs/issues/4343 issue-tracking
- https://github.com/open5gs/open5gs/issues/4343#issue-4021871895 exploit issue-tracking
- https://github.com/open5gs/open5gs/commit/80eb484a6ab32968e755e628b70d1a9c64f012ec patch
- https://github.com/open5gs/open5gs/releases/tag/v2.7.7 patch
- https://github.com/open5gs/open5gs/ product