OS Command Injection in Barracuda (CVE-2017-6320)
Summary
OS command injection in Barracuda (CVE-2017-6320). Successful exploitation can lead to full system takeover. Mitigation: upgrade to 6.1.0.003 or later.
Original description
The description as published by the source.
A remote command injection vulnerability exists in the Barracuda Load Balancer product line (confirmed on v5.4.0.004 (2015-11-26) and v6.0.1.006 (2016-08-19); fixed in 6.1.0.003 (2017-01-17)) in which an authenticated user can execute arbitrary shell commands and gain root privileges. The vulnerability stems from unsanitized data being processed in a system call when the delete_assessment command is issued.
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-2017-6320 has been found in Barracuda.
Successful exploitation can lead to full system takeover. CVSS score: 8.8/10.
What to do: upgrade Barracuda to 6.1.0.003 or later.
If unsure, ask your IT team or search "Barracuda CVE-2017-6320" on the vendor's site.
CVE-2017-6320 (Barracuda) — CWE-78 / CVSS v3 8.8
Attack vector: remote (network-reachable) / no user interaction
Patched: 6.1.0.003 — 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.
OS command injection (CWE-78) exists in Barracuda.
Check the vendor advisory for the affected versions of Barracuda.
Severity: High (CVSS 8.8/10). Successful exploitation can lead to full system takeover.
Update to 6.1.0.003.
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 'Barracuda' . 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
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1Identify exposure identify
grep -r 'Barracuda' . | 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
Barracudaを grep し、稼働しているサービス・バージョンを把握する。 -
2Apply patch patch
Upgrade Barracuda to 6.1.0.003ステージング環境で 6.1.0.003 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を含めること。
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3Post-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。
References
- exploit exploit-db.com
- patch campus.barracuda.com