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CVE-2016-1494
Vulnerability in rsa (CVE-2016-1494)
Summary
vulnerability in rsa (CVE-2016-1494). Risk of unauthorized operations or information disclosure. Mitigation: upgrade to `3.3` or later.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2016-1494** has been found in rsa.
Risk of unauthorized operations or information disclosure. CVSS score: ?/10.
What to do: upgrade rsa to **3.3** or later.
If unsure, ask your IT team or search "rsa CVE-2016-1494" on the vendor's site.
CVE-2016-1494 (rsa) —
Patched: `3.3` — 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
**A vulnerability** (unclassified) exists in rsa.
📍 Affected scope
rsa — .
🔥 Severity
Severity: ?. Risk of unauthorized operations or information disclosure
🔧 How to fix
Update to **3.3**.
🛡️ 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 'rsa' .` 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 'rsa' . | 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 `rsa` 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 rsa to 3.3ステージング環境で 3.3 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
rsa
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.3"}]}]
References
- advisory https://github.com/advisories/GHSA-8rjr-6qq5-pj9p
- web http://www.openwall.com/lists/oss-security/2016/01/05/3
- web http://www.openwall.com/lists/oss-security/2016/01/05/1
- web https://blog.filippo.io/bleichenbacher-06-signature-forgery-in-python-rsa/
- web https://bitbucket.org/sybren/python-rsa/pull-requests/14/security-fix-bb06-attack-in-verify-by/diff
- web http://lists.fedoraproject.org/pipermail/package-announce/2016-January/175897.html
- web http://lists.fedoraproject.org/pipermail/package-announce/2016-January/175942.html
- web http://lists.opensuse.org/opensuse-updates/2016-01/msg00032.html
- web http://www.securityfocus.com/bid/79829