CVE-2022-42917

{"id": "CVE-2022-42917", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2022-42917", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-09-14T15:03:58.372990Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "cve@mitre.org", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.7, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 0.8}]}, "affected": [{"source": "cve@mitre.org", "affectedData": [{"vendor": "FRRouting", "product": "FRRouting", "versions": [{"status": "affected", "version": "0", "lessThan": "4.5", "versionType": "custom"}], "defaultStatus": "unaffected"}]}], "published": "2026-09-14T00:16:55.700", "references": [{"url": "https://bugzilla.suse.com/show_bug.cgi?id=1204124", "source": "cve@mitre.org"}, {"url": "https://frrouting.org/security/cve-2022-42917/", "source": "cve@mitre.org"}, {"url": "https://github.com/FRRouting/frr/commit/972cdc560e339d70c0ee5fb70ec636ab78f00bca", "source": "cve@mitre.org"}, {"url": "https://github.com/FRRouting/frr/compare/frr-8.4...frr-8.5", "source": "cve@mitre.org"}], "vulnStatus": "Received", "weaknesses": [{"type": "Secondary", "source": "cve@mitre.org", "description": [{"lang": "en", "value": "CWE-367"}]}], "descriptions": [{"lang": "en", "value": "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."}], "lastModified": "2026-09-14T19:17:07.717", "sourceIdentifier": "cve@mitre.org"}