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CVE-2023-46218 medium CVSS 6.5

Vulnerability in haxx (CVE-2023-46218)

Summary

vulnerability in haxx (CVE-2023-46218). Risk of unauthorized operations or information disclosure. Exploitable via ``curl.co.uk``.

AI summary snake-internal / snake-material-v2

A vulnerability tracked as **CVE-2023-46218** has been found in haxx. Attackers can target a specific entry point like ``curl.co.uk`` over the network to misuse the product. Risk of unauthorized operations or information disclosure. CVSS score: 6.5/10. What to do: apply the vendor's official patched release. If unsure, ask your IT team or search "haxx CVE-2023-46218" on the vendor's site.
CVE-2023-46218 (haxx) — CWE-178 / CVSS v3 6.5 Attack vector: remote (network-reachable) / unauthenticated / no user interaction Attack surface: `curl.co.uk` / `co.uk` 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-178) exists in haxx. Attackers reach the vulnerable code path via ``curl.co.uk`` without authentication.
📍 Affected scope
haxx — . Attack surface: `curl.co.uk` / `co.uk`.
🔥 Severity
Severity: Medium (CVSS 6.5/10). Risk of unauthorized operations or information disclosure
🔧 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 'haxx' .` 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

  1. 1
    Identify exposure identify 
    grep -r 'haxx' . | 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 `haxx` を grep し、稼働しているサービス・バージョンを把握する。

  2. 7
    Post-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。

References

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