← Back
DEBIAN-CVE-2022-39209
Vulnerability in cmark-gfm (DEBIAN-CVE-2022-39209)
Summary
vulnerability in cmark-gfm (DEBIAN-CVE-2022-39209). Risk of unauthorized operations or information disclosure. Mitigation: upgrade to `0.29.0.gfm.6` or later.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **DEBIAN-CVE-2022-39209** has been found in cmark-gfm.
Risk of unauthorized operations or information disclosure. CVSS score: ?/10.
What to do: upgrade cmark-gfm to **0.29.0.gfm.6** or later.
If unsure, ask your IT team or search "cmark-gfm DEBIAN-CVE-2022-39209" on the vendor's site.
DEBIAN-CVE-2022-39209 (cmark-gfm) —
Patched: `0.29.0.gfm.6` — apply immediately
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
**A vulnerability** (unclassified) exists in cmark-gfm.
📍 Affected scope
cmark-gfm — .
🔥 Severity
Severity: ?. Risk of unauthorized operations or information disclosure
🔧 How to fix
Update to **0.29.0.gfm.6**.
🛡️ 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 'cmark-gfm' .` 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 'cmark-gfm' . | 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 `cmark-gfm` を grep し、稼働しているサービス・バージョンを把握する。
-
6Apply patch patch
Upgrade cmark-gfm to 0.29.0.gfm.6ステージング環境で 0.29.0.gfm.6 に上げて回帰テスト → 本番反映。回帰テストはアプリの主要ハッピーパスと、Step 3 で見つけた異常検知の続報チェックを含めること。
-
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。
Affected packages
Debian:11
cmark-gfm
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Debian:12
cmark-gfm
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.29.0.gfm.6-2"}]}]
Debian:13
cmark-gfm
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.29.0.gfm.6-2"}]}]
Debian:14
cmark-gfm
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.29.0.gfm.6-2"}]}]
Debian:11
ghostwriter
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Debian:12
ghostwriter
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.1.6+ds-1"}]}]
Debian:13
ghostwriter
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.1.6+ds-1"}]}]
Debian:14
ghostwriter
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.1.6+ds-1"}]}]
Debian:11
python-cmarkgfm
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Debian:12
python-cmarkgfm
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Debian:13
python-cmarkgfm
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2024.11.20-1"}]}]
Debian:14
python-cmarkgfm
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2024.11.20-1"}]}]
Debian:11
r-cran-commonmark
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Debian:12
r-cran-commonmark
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.8.1-1"}]}]
Debian:13
r-cran-commonmark
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.8.1-1"}]}]
Debian:14
r-cran-commonmark
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.8.1-1"}]}]
Debian:11
ruby-commonmarker
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Debian:12
ruby-commonmarker
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Debian:13
ruby-commonmarker
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.23.10-1"}]}]
Debian:14
ruby-commonmarker
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.23.10-1"}]}]