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CVE-2023-51384
medium
CVSS 5.5
Vulnerability in openbsd (CVE-2023-51384)
Summary
vulnerability in openbsd (CVE-2023-51384). Confidential information can be exposed externally.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2023-51384** has been found in openbsd.
Confidential information can be exposed externally. CVSS score: 5.5/10.
What to do: apply the vendor's official patched release.
If unsure, ask your IT team or search "openbsd CVE-2023-51384" on the vendor's site.
CVE-2023-51384 (openbsd) — CVSS v3 5.5
Attack vector: local / 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** (unclassified) exists in openbsd.
📍 Affected scope
openbsd — .
🔥 Severity
Severity: Medium (CVSS 5.5/10). Confidential information can be exposed externally
🔧 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 'openbsd' .` 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 'openbsd' . | 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 `openbsd` を grep し、稼働しているサービス・バージョンを把握する。
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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
- mailing af854a3a-2127-422b-91ae-364da2661108
- patch af854a3a-2127-422b-91ae-364da2661108
- web https://nvd.nist.gov/vuln/detail/CVE-2023-51384
- web af854a3a-2127-422b-91ae-364da2661108
- web https://security.netapp.com/advisory/ntap-20240105-0005
- web 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
- web 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
- web 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
- web https://github.com/advisories/GHSA-44xq-r8h3-q4q6