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CVE-2024-45758
Unsafe Deserialization in ai.h2o:h2o-core (CVE-2024-45758)
Summary
vulnerability in ai.h2o:h2o-core (CVE-2024-45758). Confidential information can be exposed externally.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2024-45758** has been found in ai.h2o:h2o-core.
Confidential information can be exposed externally. CVSS score: ?/10.
What to do: apply the vendor's official patched release.
If unsure, ask your IT team or search "ai.h2o:h2o-core CVE-2024-45758" on the vendor's site.
CVE-2024-45758 (ai.h2o:h2o-core) — CWE-502 /
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
**unsafe deserialization** (CWE-502) exists in ai.h2o:h2o-core.
📍 Affected scope
ai.h2o:h2o-core — .
🔥 Severity
Severity: ?. Confidential information can be exposed externally
🔧 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 'ai.h2o:h2o-core' .` 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 'ai.h2o:h2o-core' . | 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 `ai.h2o:h2o-core` 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
Maven
ai.h2o:h2o-core
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"3.46.0.7"}]}]
PyPI
h2o
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"3.46.0.7"}]}]
References
- advisory https://nvd.nist.gov/vuln/detail/CVE-2024-45758
- advisory https://github.com/advisories/GHSA-hrmc-jmp7-mpm2
- package https://github.com/h2oai/h2o-3
- package https://pypi.org/project/h2o
- web https://github.com/h2oai/h2o-3/issues/16425
- web https://github.com/h2oai/h2o-3/issues/16622
- web https://github.com/h2oai/h2o-3/pull/16624
- web https://github.com/h2oai/h2o-3/commit/f714edd6b8429c7a7211b779b6ec108a95b7382d
- web https://gist.github.com/AfterSnows/c24ca3c26dc89ab797e610e92a6a9acb
- web https://spear-shield.notion.site/Unauthenticated-Remote-Code-Execution-via-Unrestricted-JDBC-Connection-87a958a4874044199cbb86422d1f6068