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CVE-2016-2140
Information Disclosure in nova (CVE-2016-2140)
Summary
vulnerability in nova (CVE-2016-2140). Confidential information can be exposed externally. Mitigation: upgrade to `12.0.3` or later.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2016-2140** has been found in nova.
Confidential information can be exposed externally. CVSS score: ?/10.
What to do: upgrade nova to **12.0.3** or later.
If unsure, ask your IT team or search "nova CVE-2016-2140" on the vendor's site.
CVE-2016-2140 (nova) — CWE-200 /
Attack vector: remote (network-reachable) / no user interaction
Patched: `12.0.3` — 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 **12.0.3**.
🛡️ 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 12.0.3ステージング環境で 12.0.3 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":"12.0.0"},{"fixed":"12.0.3"}]}]
References
- advisory https://nvd.nist.gov/vuln/detail/CVE-2016-2140
- advisory https://bugs.launchpad.net/nova/+bug/1548450
- advisory http://www.openwall.com/lists/oss-security/2016/03/08/6
- advisory http://www.securityfocus.com/bid/84277
- advisory https://github.com/advisories/GHSA-49jv-37hm-6gfp
- package https://github.com/openstack/nova
- package https://pypi.org/project/nova
- patch https://security.openstack.org/ossa/OSSA-2016-007.html
- web https://github.com/openstack/nova/commit/0b194187db9da28225cb5e62be3b45aff5a1c793
- web https://github.com/openstack/nova/commit/116b1210ab772c55d1ed1f715687d83877c92701
- web https://github.com/openstack/nova/commit/f302bf04ab5dda89cf8ceaeed309006da90c0666
- web https://access.redhat.com/errata/RHSA-2016:0363
- web https://access.redhat.com/errata/RHSA-2016:0364
- web https://access.redhat.com/errata/RHSA-2016:0365
- web https://access.redhat.com/errata/RHSA-2016:0366
- web https://access.redhat.com/security/cve/CVE-2016-2140
- web https://bugzilla.redhat.com/show_bug.cgi?id=1313454
- web http://seclists.org/oss-sec/2016/q1/563