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CVE-2011-4076
Information Disclosure in nova (CVE-2011-4076)
Summary
vulnerability in nova (CVE-2011-4076). Confidential information can be exposed externally. Mitigation: upgrade to `12.0.0a0` or later.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2011-4076** has been found in nova.
Confidential information can be exposed externally. CVSS score: ?/10.
What to do: upgrade nova to **12.0.0a0** or later.
If unsure, ask your IT team or search "nova CVE-2011-4076" on the vendor's site.
CVE-2011-4076 (nova) — CWE-200 /
Attack vector: remote (network-reachable) / unauthenticated / no user interaction
Patched: `12.0.0a0` — 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
**information disclosure** (CWE-200) exists in nova.
📍 Affected scope
nova — .
🔥 Severity
Severity: ?. Confidential information can be exposed externally
🔧 How to fix
Update to **12.0.0a0**.
🛡️ 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 'nova' .` 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
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1Identify exposure identify
grep -r 'nova' . | 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 `nova` 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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6Apply patch patch
Upgrade nova to 12.0.0a0ステージング環境で 12.0.0a0 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。
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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。
Affected packages
PyPI
nova
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"12.0.0a0"}]}]
References
- advisory https://nvd.nist.gov/vuln/detail/CVE-2011-4076
- advisory https://access.redhat.com/security/cve/cve-2011-4076
- advisory https://github.com/advisories/GHSA-vcmv-6rxx-fh7r
- package https://pypi.org/project/nova
- patch https://security-tracker.debian.org/tracker/CVE-2011-4076
- patch https://www.openwall.com/lists/oss-security/2011/10/25/4
- report https://bugs.launchpad.net/nova/+bug/868360
- report https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2011-4076
- web https://github.com/openstack/nova/commit/b1ab6da1495784ff581000018a6047fd19cf82c4
- web https://github.com/openstack/nova/commit/beee11edbfdd82cd81bc9c0fd75912c167892c2b