CVE-2022-42917

תיאור (מקור, אנגלית)

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.

מדדים

CVSS 3.1

6.7 (MEDIUM) מקור הציון: CNA CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H

EPSS — סבירות ניצול

0% (אחוזון 000) נכון ל-2/10/2026

CWE

CWE-367

קישורים

• https://bugzilla.suse.com/show_bug.cgi?id=1204124
• https://frrouting.org/security/cve-2022-42917/
• https://github.com/FRRouting/frr/commit/972cdc560e339d70c0ee5fb70ec636ab78f00bca
• https://github.com/FRRouting/frr/compare/frr-8.4...frr-8.5