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CVE-2018-7750
Authentication Bypass in paramiko (CVE-2018-7750)
Summary
authentication bypass in paramiko (CVE-2018-7750). Successful exploitation can lead to full system takeover. Mitigation: upgrade to `1.17.6` or later.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2018-7750** has been found in paramiko.
Successful exploitation can lead to full system takeover. CVSS score: ?/10.
What to do: upgrade paramiko to **1.17.6** or later.
If unsure, ask your IT team or search "paramiko CVE-2018-7750" on the vendor's site.
CVE-2018-7750 (paramiko) — CWE-287 /
Attack vector: remote (network-reachable) / unauthenticated / no user interaction
Patched: `1.17.6` — 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
**authentication bypass** (CWE-287) exists in paramiko.
📍 Affected scope
paramiko — .
🔥 Severity
Severity: ?. Successful exploitation can lead to full system takeover
🔧 How to fix
Update to **1.17.6**.
🛡️ 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 'paramiko' .` 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 'paramiko' . | 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 `paramiko` を grep し、稼働しているサービス・バージョンを把握する。
-
6Apply patch patch
Upgrade paramiko to 1.17.6ステージング環境で 1.17.6 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。
-
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
paramiko
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.17.6"}]}]
pip
paramiko
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.17.6"}]}]
References
- advisory https://github.com/paramiko/paramiko/blob/master/sites/www/changelog.rst
- advisory https://usn.ubuntu.com/3603-2/
- advisory https://access.redhat.com/errata/RHSA-2018:0591
- advisory https://usn.ubuntu.com/3603-1/
- advisory https://access.redhat.com/errata/RHSA-2018:0646
- advisory https://access.redhat.com/errata/RHSA-2018:1125
- advisory https://access.redhat.com/errata/RHSA-2018:1124
- advisory https://access.redhat.com/errata/RHSA-2018:1213
- advisory http://www.securityfocus.com/bid/103713
- advisory https://access.redhat.com/errata/RHSA-2018:1274
- advisory https://access.redhat.com/errata/RHSA-2018:1328
- advisory https://access.redhat.com/errata/RHSA-2018:1525
- advisory https://access.redhat.com/errata/RHSA-2018:1972
- advisory https://lists.debian.org/debian-lts-announce/2018/10/msg00018.html
- advisory https://github.com/advisories/GHSA-232r-66cg-79px
- advisory https://nvd.nist.gov/vuln/detail/CVE-2018-7750
- advisory https://lists.debian.org/debian-lts-announce/2021/12/msg00025.html
- package https://github.com/paramiko/paramiko
- patch https://github.com/paramiko/paramiko/commit/fa29bd8446c8eab237f5187d28787727b4610516
- report https://github.com/paramiko/paramiko/issues/1175
- report https://www.exploit-db.com/exploits/45712/
- web https://github.com/paramiko/paramiko/commit/e9dfd854bdaf8af15d7834f7502a0451d217bb8c
- web https://github.com/paramiko/paramiko/blob/e861c7697622774071ce73b46ffe8817eacdedfa/sites/www/changelog.rst?plain=1#L759-L763
- web https://web.archive.org/web/20190831123128/http://www.securityfocus.com/bid/103713
- web https://www.exploit-db.com/exploits/45712
- web https://usn.ubuntu.com/3603-2
- web https://usn.ubuntu.com/3603-1
- web https://github.com/pypa/advisory-database/tree/main/vulns/paramiko/PYSEC-2018-19.yaml