Description
A vulnerability was found in Open5GS up to 2.7.7. Impacted is the function udr_nudr_dr_handle_subscription_context of the file /src/udr/nudr-handler.c of the component UDR. The manipulation of the argument pei results in denial of service. The attack can be launched remotely. The exploit has been made public and could be used. The project was informed of the problem early through an issue report but has not responded yet.
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-360883 | Open5GS UDR nudr-handler.c udr_nudr_dr_handle_subscription_context denial of service vdb-entry technical-description
- VDB-360883 | CTI Indicators (IOB, IOC, TTP, IOA) signature permissions-required
- Submit #805699 | Open5gs UDR v2.7.7 Denial of Service third-party-advisory
- Submit #805700 | Open5gs UDR v2.7.7 Denial of Service (Duplicate) third-party-advisory
- https://github.com/open5gs/open5gs/issues/4410 issue-tracking
- https://github.com/open5gs/open5gs/issues/4411 exploit issue-tracking
- https://github.com/open5gs/open5gs/ product