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CVE-2016-8640
SQL Injection in pycsw (CVE-2016-8640)
Summary
SQL injection in pycsw (CVE-2016-8640). Confidential information can be exposed externally. Mitigation: upgrade to `1.10.5` or later.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2016-8640** has been found in pycsw.
Confidential information can be exposed externally. CVSS score: ?/10.
What to do: upgrade pycsw to **1.10.5** or later.
If unsure, ask your IT team or search "pycsw CVE-2016-8640" on the vendor's site.
CVE-2016-8640 (pycsw) — CWE-89 /
Attack vector: remote (network-reachable) / unauthenticated / no user interaction
Patched: `1.10.5` — 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
**SQL injection** (CWE-89) exists in pycsw.
📍 Affected scope
pycsw — .
🔥 Severity
Severity: ?. Confidential information can be exposed externally
🔧 How to fix
Update to **1.10.5**.
🛡️ 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 'pycsw' .` 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 'pycsw' . | 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 `pycsw` 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 pycsw to 1.10.5ステージング環境で 1.10.5 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
pycsw
[{"type":"ECOSYSTEM","events":[{"introduced":"1.10.0"},{"fixed":"1.10.5"}]}]
References
- advisory https://github.com/advisories/GHSA-hg4c-rgvm-964g
- advisory https://nvd.nist.gov/vuln/detail/CVE-2016-8640
- package https://github.com/geopython/pycsw
- web https://patch-diff.githubusercontent.com/raw/geopython/pycsw/pull/474.patch
- web https://github.com/geopython/pycsw/pull/474/files
- web http://seclists.org/oss-sec/2016/q4/406
- web http://www.securityfocus.com/bid/94302
- web https://github.com/geopython/pycsw/commit/522873e5ce48bb9cbd4e7e8168ca881ce709c222
- web https://github.com/geopython/pycsw/commit/69546e13527c82e4f9191769215490381ad511b2
- web https://github.com/geopython/pycsw/commit/daaf09b4b920708a415be3c7f446739661ba3753
- web https://github.com/pypa/advisory-database/tree/main/vulns/pycsw/PYSEC-2018-98.yaml