Description
A flaw has been found in Free5GC SMF up to 4.1.0. Affected is the function HandlePfcpAssociationReleaseRequest of the file internal/pfcp/handler/handler.go of the component PFCP UDP Endpoint. Executing a manipulation can lead to null pointer dereference. The attack may be launched remotely. The exploit has been published and may be used. A patch should be applied to remediate this issue.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Free5GC | SMF | 4.0, 4.1.0 | — |
References
- VDB-343475 | Free5GC SMF PFCP UDP Endpoint handler.go HandlePfcpAssociationReleaseRequest null pointer dereference vdb-entry technical-description
- VDB-343475 | CTI Indicators (IOB, IOC, IOA) signature permissions-required
- Submit #739508 | free5gc SMF v4.1.0 Denial of Service third-party-advisory
- https://github.com/free5gc/free5gc/issues/794 issue-tracking
- https://github.com/free5gc/free5gc/issues/794#issuecomment-3761063382 issue-tracking
- https://github.com/free5gc/free5gc/issues/794#issue-3811888505 exploit issue-tracking
- https://github.com/free5gc/smf/pull/188 issue-tracking patch
- https://github.com/free5gc/smf/ product