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ALPINE-CVE-2017-1000381
Vulnerability in c-ares (ALPINE-CVE-2017-1000381)
Summary
vulnerability in c-ares (ALPINE-CVE-2017-1000381). Confidential information can be exposed externally. Mitigation: upgrade to `1.12.0-r1` or later.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **ALPINE-CVE-2017-1000381** has been found in c-ares.
Confidential information can be exposed externally. CVSS score: ?/10.
What to do: upgrade c-ares to **1.12.0-r1** or later.
If unsure, ask your IT team or search "c-ares ALPINE-CVE-2017-1000381" on the vendor's site.
ALPINE-CVE-2017-1000381 (c-ares) —
Attack vector: remote (network-reachable) / unauthenticated / no user interaction
Patched: `1.12.0-r1` — 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 c-ares.
📍 Affected scope
c-ares — .
🔥 Severity
Severity: ?. Confidential information can be exposed externally
🔧 How to fix
Update to **1.12.0-r1**.
🛡️ 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-ares' .` 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-ares' . | 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-ares` 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 c-ares to 1.12.0-r1ステージング環境で 1.12.0-r1 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
Alpine:v3.3
c-ares
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.12.0-r1"}]}]
Alpine:v3.4
c-ares
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.12.0-r1"}]}]
Alpine:v3.5
c-ares
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.12.0-r1"}]}]
Alpine:v3.6
c-ares
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.12.0-r1"}]}]
Alpine:v3.10
nodejs
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.11.1-r0"}]}]
Alpine:v3.11
nodejs
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.11.1-r0"}]}]
Alpine:v3.12
nodejs
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.11.1-r0"}]}]
Alpine:v3.13
nodejs
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.11.1-r0"}]}]
Alpine:v3.14
nodejs
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.11.1-r0"}]}]
Alpine:v3.15
nodejs
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.11.1-r0"}]}]
Alpine:v3.16
nodejs
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.11.1-r0"}]}]
Alpine:v3.17
nodejs
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.11.1-r0"}]}]
Alpine:v3.18
nodejs
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.11.1-r0"}]}]
Alpine:v3.19
nodejs
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.11.1-r0"}]}]
Alpine:v3.20
nodejs
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.11.1-r0"}]}]
Alpine:v3.21
nodejs
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.11.1-r0"}]}]
Alpine:v3.22
nodejs
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.11.1-r0"}]}]
Alpine:v3.23
nodejs
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.11.1-r0"}]}]
Alpine:v3.24
nodejs
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.11.1-r0"}]}]
Alpine:v3.4
nodejs
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.7.0-r1"}]}]
Alpine:v3.5
nodejs
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.9.5-r1"}]}]
Alpine:v3.6
nodejs
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.10.3-r1"}]}]
Alpine:v3.7
nodejs
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.11.1-r0"}]}]
Alpine:v3.8
nodejs
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.11.1-r0"}]}]
Alpine:v3.9
nodejs
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.11.1-r0"}]}]