GHSA-x36x-qpcf-qwfjMediumCVSS 6.7
In FRRouting FRR before 8.5, the service user (usually frr) can escalate its privileges to root...
🔗 CVE IDs covered (1)
📋 Description
In FRRouting FRR before 8.5, the service user (usually frr) can escalate its privileges to root by monitoring the configuration directory (/etc/frr) and replacing config files upon creation with, for example, symlinks to change the ownership of arbitrary files. This is a TOCTOU Race Condition caused by a combination of touch and chown.
🔗 References (6)
- https://nvd.nist.gov/vuln/detail/CVE-2022-42917
- https://github.com/FRRouting/frr/commit/972cdc560e339d70c0ee5fb70ec636ab78f00bca
- https://bugzilla.suse.com/show_bug.cgi?id=1204124
- https://frrouting.org/security/cve-2022-42917
- https://github.com/FRRouting/frr/compare/frr-8.4...frr-8.5
- https://github.com/advisories/GHSA-x36x-qpcf-qwfj