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CVE-2016-5239
critical
CVSS 9.8
Vulnerability in imagemagick (CVE-2016-5239)
Summary
vulnerability in imagemagick (CVE-2016-5239). Successful exploitation can lead to full system takeover.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2016-5239** has been found in imagemagick.
Successful exploitation can lead to full system takeover. CVSS score: 9.8/10.
What to do: apply the vendor's official patched release.
If unsure, ask your IT team or search "imagemagick CVE-2016-5239" on the vendor's site.
CVE-2016-5239 (imagemagick) — CWE-284 / CVSS v3 9.8
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
**A vulnerability** (CWE-284) exists in imagemagick.
📍 Affected scope
imagemagick — .
🔥 Severity
Severity: Critical (CVSS 9.8/10). Successful exploitation can lead to full system takeover
🔧 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 'imagemagick' .` 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
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1Identify exposure identify
grep -r 'imagemagick' . | 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 `imagemagick` 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 http://www.securityfocus.com/bid/91018
- advisory https://access.redhat.com/errata/RHSA-2016:1237
- patch http://git.imagemagick.org/repos/ImageMagick/commit/70a2cf326ed32bedee144b961005c63846541a16
- patch http://www.openwall.com/lists/oss-security/2016/06/02/13
- web http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html
- web https://lists.debian.org/debian-lts-announce/2018/08/msg00002.html