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CVE-2024-28102
Vulnerability in jwcrypto (CVE-2024-28102)
Summary
vulnerability in jwcrypto (CVE-2024-28102). Risk of unauthorized operations or information disclosure. Mitigation: upgrade to `1.5.6` or later.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2024-28102** has been found in jwcrypto.
Risk of unauthorized operations or information disclosure. CVSS score: ?/10.
What to do: upgrade jwcrypto to **1.5.6** or later.
If unsure, ask your IT team or search "jwcrypto CVE-2024-28102" on the vendor's site.
CVE-2024-28102 (jwcrypto) — CWE-770 /
Attack vector: remote (network-reachable) / no user interaction
Patched: `1.5.6` — 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
**A vulnerability** (CWE-770) exists in jwcrypto.
📍 Affected scope
jwcrypto — .
🔥 Severity
Severity: ?. Risk of unauthorized operations or information disclosure
🔧 How to fix
Update to **1.5.6**.
🛡️ 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 'jwcrypto' .` 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 'jwcrypto' . | 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 `jwcrypto` 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 jwcrypto to 1.5.6ステージング環境で 1.5.6 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。
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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
jwcrypto
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.5.6"}]}]
References
- advisory https://nvd.nist.gov/vuln/detail/CVE-2024-28102
- advisory https://github.com/advisories/GHSA-j857-7rvv-vj97
- package https://github.com/latchset/jwcrypto
- package https://pypi.org/project/jwcrypto
- web https://github.com/latchset/jwcrypto/security/advisories/GHSA-j857-7rvv-vj97
- web https://github.com/latchset/jwcrypto/commit/90477a3b6e73da69740e00b8161f53fea19b831f
- web https://lists.debian.org/debian-lts-announce/2024/09/msg00026.html
- web https://www.vicarius.io/vsociety/posts/denial-of-service-vulnerability-discovered-in-jwcrypto-cve-2024-28102-28103