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CVE-2022-21624
low
CVSS 3.7
Unsafe Deserialization in c (CVE-2022-21624)
Summary
vulnerability in c (CVE-2022-21624). Risk of unauthorized operations or information disclosure.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2022-21624** has been found in c.
Risk of unauthorized operations or information disclosure. CVSS score: 3.7/10.
What to do: apply the vendor's official patched release.
If unsure, ask your IT team or search "c CVE-2022-21624" on the vendor's site.
CVE-2022-21624 (c) — CWE-502 / CVSS v3 3.7
Attack vector: remote (network-reachable) / unauthenticated / no user interaction
Plan: 1) Audit SBOM/dependencies, 2) Stage→prod upgrade, 3) Add WAF/proxy monitoring on affected endpoints, 4) Hunt IOCs in logs.
Refs: see the GHSA / vendor advisory / patched release linked on this page.
❓ What is the problem
**unsafe deserialization** (CWE-502) exists in c.
📍 Affected scope
c — .
🔥 Severity
Severity: Low (CVSS 3.7/10). Risk of unauthorized operations or information disclosure
🔧 How to fix
Update to the patched release per vendor advisory.
🛡️ Workaround
Until the patch is applied: disable the affected feature, apply WAF rules, or restrict access via network ACLs.
🔍 Detection
Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Run `grep -r 'c' .` against your dependency files (package-lock.json, requirements.txt, go.sum) to find affected services.
Response Actions (7 steps)
Concrete steps and command examples for SOC/SRE teams to execute in order
-
1Identify exposure identify
grep -r 'c' . | grep -v node_modulesリポジトリと本番環境の依存ファイル (package-lock.json / requirements.txt / go.sum / Gemfile.lock 等) で `c` を grep し、稼働しているサービス・バージョンを把握する。
-
7Post-deployment verification verify
Confirm patched version is live in productionパッチ適用後、ステージングで PoC または同等の悪用パターンを再現して脆弱性が閉じたことを確認。本番では Step 3 と同じログクエリでアラート再発が無いか継続監視。
References
- advisory af854a3a-2127-422b-91ae-364da2661108
- advisory af854a3a-2127-422b-91ae-364da2661108
- advisory af854a3a-2127-422b-91ae-364da2661108
- advisory af854a3a-2127-422b-91ae-364da2661108
- advisory af854a3a-2127-422b-91ae-364da2661108
- advisory af854a3a-2127-422b-91ae-364da2661108
- advisory af854a3a-2127-422b-91ae-364da2661108
- web https://security.gentoo.org/glsa/202401-25
- web https://www.oracle.com/security-alerts/cpuoct2022.html
- web https://nvd.nist.gov/vuln/detail/CVE-2022-21624
- web https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/37QDWJBGEPP65X43NXQTXQ7KASLUHON6
- web https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3ARF4QF4N3X5GSFHXUBWARGLISGKJ33R
- web https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3QLQ7OD33W6LT3HWI7VYDFFJLV75Y73K
- web https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EXSBV3W6EP6B7XJ63Z2FPVBH6HAPGJ5T
- web https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HNGMDNIHAA73BEX6XPA2IMXJSGOKKYE6
- web https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PB3CIGOFG7CENUVVE4FFZT2HI5FO77XU
- web https://lists.fedoraproject.org/archives/list/[email protected]/message/37QDWJBGEPP65X43NXQTXQ7KASLUHON6
- web https://lists.fedoraproject.org/archives/list/[email protected]/message/3ARF4QF4N3X5GSFHXUBWARGLISGKJ33R
- web https://lists.fedoraproject.org/archives/list/[email protected]/message/3QLQ7OD33W6LT3HWI7VYDFFJLV75Y73K
- web https://lists.fedoraproject.org/archives/list/[email protected]/message/EXSBV3W6EP6B7XJ63Z2FPVBH6HAPGJ5T
- web https://lists.fedoraproject.org/archives/list/[email protected]/message/HNGMDNIHAA73BEX6XPA2IMXJSGOKKYE6
- web https://lists.fedoraproject.org/archives/list/[email protected]/message/PB3CIGOFG7CENUVVE4FFZT2HI5FO77XU
- web https://security.netapp.com/advisory/ntap-20221028-0012
- web https://github.com/advisories/GHSA-h547-5jph-p9qq