Description
A flaw has been found in Open5GS up to 2.7.5. This impacts the function ogs_pfcp_handle_create_pdr in the library lib/pfcp/handler.c of the component FAR-ID Handler. Executing a manipulation can lead to null pointer dereference. The attack may be performed from remote. The attack requires a high level of complexity. The exploitability is said to be difficult. The exploit has been published and may be used. This patch is called 93a9fd98a8baa94289be3b982028201de4534e32. It is advisable to implement a patch to correct this issue.
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 | — |
References
- VDB-337589 | Open5GS FAR-ID handler.c ogs_pfcp_handle_create_pdr null pointer dereference vdb-entry technical-description
- VDB-337589 | CTI Indicators (IOB, IOC, IOA) signature permissions-required
- Submit #716799 | Open5GS v2.7.5 Reachable Assertion third-party-advisory
- https://github.com/open5gs/open5gs/issues/4179 issue-tracking
- https://github.com/open5gs/open5gs/issues/4179#issuecomment-3614868758 issue-tracking
- https://github.com/open5gs/open5gs/issues/4179#issue-3666399406 exploit issue-tracking
- https://github.com/open5gs/open5gs/commit/93a9fd98a8baa94289be3b982028201de4534e32 patch
- https://github.com/open5gs/open5gs/ product