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CVE-2017-16612
high
CVSS 7.5
Vulnerability in c (CVE-2017-16612)
Summary
vulnerability in c (CVE-2017-16612). Risk of unauthorized operations or information disclosure.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2017-16612** has been found in c.
Risk of unauthorized operations or information disclosure. CVSS score: 7.5/10.
What to do: apply the vendor's official patched release.
If unsure, ask your IT team or search "c CVE-2017-16612" on the vendor's site.
CVE-2017-16612 (c) — CWE-190 / CVSS v3 7.5
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-190) exists in c.
📍 Affected scope
c — .
🔥 Severity
Severity: High (CVSS 7.5/10). 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 http://www.openwall.com/lists/oss-security/2017/11/28/6
- advisory http://www.ubuntu.com/usn/USN-3501-1
- advisory https://marc.info/?l=freedesktop-xorg-announce&m=151188036018262&w=2
- advisory https://security.gentoo.org/glsa/201801-04
- advisory https://www.debian.org/security/2017/dsa-4059
- patch http://security.cucumberlinux.com/security/details.php?id=156
- patch https://cgit.freedesktop.org/xorg/lib/libXcursor/commit/?id=4794b5dd34688158fb51a2943032569d3780c4b8
- report https://bugzilla.suse.com/show_bug.cgi?id=1065386
- web https://cgit.freedesktop.org/wayland/wayland/commit/?id=5d201df72f3d4f4cb8b8f75f980169b03507da38
- web https://lists.debian.org/debian-lts-announce/2017/12/msg00002.html
- web https://lists.freedesktop.org/archives/wayland-devel/2017-November/035979.html
- web https://usn.ubuntu.com/3622-1/