Description
A security flaw has been discovered in Open5GS up to 2.7.6. Affected by this vulnerability is the function ogs_gtp2_parse_bearer_qos in the library lib/gtp/v2/types.c of the component Bearer QoS IE Length Handler. Performing a manipulation results in denial of service. The attack must be initiated from a local position. The exploit has been released to the public and may be used for attacks. The patch is named 4e913d21f2c032b187815f063dbab5ebe65fe83a. To fix this issue, it is recommended to deploy a patch.
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-339340 | Open5GS Bearer QoS IE Length types.c ogs_gtp2_parse_bearer_qos denial of service vdb-entry technical-description
- VDB-339340 | CTI Indicators (IOB, IOC, IOA) signature permissions-required
- Submit #728043 | Open5GS SGWC v2.7.6 Denial of Service third-party-advisory
- https://github.com/open5gs/open5gs/issues/4217 issue-tracking
- https://github.com/open5gs/open5gs/issues/4217#issuecomment-3690767105 issue-tracking
- https://github.com/open5gs/open5gs/issues/4217#issue-3759615968 exploit issue-tracking
- https://github.com/open5gs/open5gs/commit/4e913d21f2c032b187815f063dbab5ebe65fe83a patch
- https://github.com/open5gs/open5gs/ product