Vulnerability in OpenSSH (CVE-2016-10009)
Summary
Vulnerability in OpenSSH (CVE-2016-10009). Risk of unauthorized operations or information disclosure.
Original description
The description as published by the source.
Untrusted search path vulnerability in ssh-agent.c in ssh-agent in OpenSSH before 7.4 allows remote attackers to execute arbitrary local PKCS#11 modules by leveraging control over a forwarded agent-socket.
Source: NIST National Vulnerability Database NVD
Auto-generated summary
Assembled by SecPulse from the source data (CVSS, CWE, affected versions) using templates — no AI involved. Check the original description and references below for exact details.
A vulnerability tracked as CVE-2016-10009 has been found in OpenSSH.
Risk of unauthorized operations or information disclosure. CVSS score: 7.3/10.
What to do: apply the vendor's official patched release.
If unsure, ask your IT team or search "OpenSSH CVE-2016-10009" on the vendor's site.
CVE-2016-10009 (OpenSSH) — CWE-426 / CVSS v3 7.3
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.
A vulnerability (CWE-426) exists in OpenSSH.
Check the vendor advisory for the affected versions of OpenSSH.
Severity: High (CVSS 7.3/10). Risk of unauthorized operations or information disclosure.
Update to the patched release per vendor advisory.
Until the patch is applied: disable the affected feature, apply WAF rules, or restrict access via network ACLs.
Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Run grep -r 'OpenSSH' . against your dependency files (package-lock.json, requirements.txt, go.sum) to find affected services.
Response actions
Concrete steps and command examples for SOC/SRE teams to execute in order
-
1Identify exposure identify
grep -r 'OpenSSH' . | 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
OpenSSHを grep し、稼働しているサービス・バージョンを把握する。 -
2Post-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。本番ではアクセスログ・WAF でアラート再発が無いか継続監視。
Fix status by distribution
Fixed packages published by each distribution for this CVE
- Alpine Linux ALPINE-CVE-2016-10009 openssh Fixed in: 7.4_p1-r0
- BellSoft Alpaquita BELL-CVE-2016-10009
- Debian DEBIAN-CVE-2016-10009 openssh Fixed in: 1:7.4p1-1
- Ubuntu UBUNTU-CVE-2016-10009 openssh Fixed in: 1:6.6p1-2ubuntu2.10
References
- advisory openwall.com
- advisory access.redhat.com
- advisory security.FreeBSD.org
- advisory security.netapp.com
- patch github.com
- web packetstormsecurity.com
- web packetstormsecurity.com
- web seclists.org
- web openwall.com
- web openwall.com
- web securityfocus.com
- web securitytracker.com
- web slackware.com
- web bugs.chromium.org
- web cert-portal.siemens.com
- web lists.debian.org
- web support.hpe.com
- web usn.ubuntu.com
- web exploit-db.com
- web openssh.com