Description
A weakness has been identified in Free5GC up to 4.1.0. Affected is the function SessionDeletionResponse of the component SMF. This manipulation causes null pointer dereference. The attack is possible to be carried out remotely. The exploit has been made available to the public and could be used for attacks. It is suggested to install a patch to address this issue.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | Free5GC | 4.0, 4.1.0 | — |
References
- VDB-344498 | Free5GC SMF SessionDeletionResponse null pointer dereference vdb-entry technical-description
- VDB-344498 | CTI Indicators (IOB, IOC, IOA) signature permissions-required
- Submit #743239 | free5gc SMF v4.1.0 Denial of Service third-party-advisory
- https://github.com/free5gc/free5gc/issues/817 issue-tracking
- https://github.com/free5gc/free5gc/issues/817#issue-3832188092 exploit issue-tracking
- https://github.com/free5gc/smf/pull/189 issue-tracking patch
- https://github.com/free5gc/free5gc/ product