← Back
CVE-2023-45853
critical
CVSS 9.8
Vulnerability in pyminizip (CVE-2023-45853)
Summary
vulnerability in pyminizip (CVE-2023-45853). Successful exploitation can lead to full system takeover.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2023-45853** has been found in pyminizip.
Successful exploitation can lead to full system takeover. CVSS score: 9.8/10.
What to do: apply the vendor's official patched release.
If unsure, ask your IT team or search "pyminizip CVE-2023-45853" on the vendor's site.
CVE-2023-45853 (pyminizip) — CWE-190 / CVSS v3 9.8
Attack vector: remote (network-reachable) / unauthenticated / no user interaction
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** (CWE-190) exists in pyminizip.
📍 Affected scope
pyminizip — .
🔥 Severity
Severity: Critical (CVSS 9.8/10). Successful exploitation can lead to full system takeover
🔧 How to fix
Update to the patched release per vendor advisory.
🛡️ 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 'pyminizip' .` 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 'pyminizip' . | 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 `pyminizip` を grep し、稼働しているサービス・バージョンを把握する。
-
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
pyminizip
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"0.2.6"}]}]
References
- advisory af854a3a-2127-422b-91ae-364da2661108
- advisory https://nvd.nist.gov/vuln/detail/CVE-2023-45853
- advisory https://github.com/advisories/GHSA-mq29-j5xf-cjwr
- package https://github.com/smihica/pyminizip
- package https://pypi.org/project/pyminizip
- web http://www.openwall.com/lists/oss-security/2023/10/20/9
- web http://www.openwall.com/lists/oss-security/2024/01/24/10
- web https://chromium.googlesource.com/chromium/src/+/d709fb23806858847131027da95ef4c548813356
- web https://chromium.googlesource.com/chromium/src/+/de29dd6c7151d3cd37cb4cf0036800ddfb1d8b61
- web https://github.com/madler/zlib/blob/ac8f12c97d1afd9bafa9c710f827d40a407d3266/contrib/README.contrib#L1-L4
- web https://github.com/madler/zlib/pull/843
- web https://lists.debian.org/debian-lts-announce/2023/11/msg00026.html
- web https://pypi.org/project/pyminizip/#history
- web https://security.gentoo.org/glsa/202401-18
- web https://www.winimage.com/zLibDll/minizip.html
- web 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
- web 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
- web 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
- web https://github.com/madler/zlib/commit/73331a6a0481067628f065ffe87bb1d8f787d10c
- web https://github.com/smihica/pyminizip/blob/master/zlib-1.2.11/contrib/minizip/zip.c
- web https://security.netapp.com/advisory/ntap-20231130-0009