Description
A flaw has been found in Open5GS up to 2.7.7. The impacted element is the function update_authorized_pcc_rule_and_qos of the file /src/smf/npcf-handler.c of the component SMF. This manipulation causes denial of service. Remote exploitation of the attack is possible. The exploit has been published and may 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-362546 | Open5GS SMF npcf-handler.c update_authorized_pcc_rule_and_qos denial of service vdb-entry technical-description
- VDB-362546 | CTI Indicators (IOB, IOC, TTP, IOA) signature permissions-required
- Submit #808473 | Open5gs SMF v2.7.7 Denial of Service third-party-advisory
- https://github.com/open5gs/open5gs/issues/4443 exploit issue-tracking
- https://github.com/open5gs/open5gs/ product