Vulnerability in Haxx (CVE-2025-0167)
Summary
Vulnerability in Haxx (CVE-2025-0167). Risk of unauthorized operations or information disclosure. Exploitable via default.
Original description
The description as published by the source.
When asked to use a .netrc file for credentials and to follow HTTP
redirects, curl could leak the password used for the first host to the
followed-to host under certain circumstances.
This flaw only manifests itself if the netrc file has a default entry that
omits both login and password. A rare circumstance.
Source: OSV.dev (Open Source Vulnerabilities) NVD GitHub Advisory OSV
Auto-generated summary
Assembled by SecPulse from the source data (CVSS, CWE, affected versions) using templates — no AI involved. Check the original description and references below for exact details.
A vulnerability tracked as CVE-2025-0167 has been found in Haxx.
Attackers can target a specific entry point like default over the network to misuse the product.
Risk of unauthorized operations or information disclosure. CVSS score: 3.4/10.
What to do: apply the vendor's official patched release.
If unsure, ask your IT team or search "Haxx CVE-2025-0167" on the vendor's site.
CVE-2025-0167 (Haxx) — CVSS v3 3.4
Attack vector: remote (network-reachable) / unauthenticated
Attack surface: default
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.
A vulnerability (unclassified) exists in Haxx. Attackers reach the vulnerable code path via default without authentication.
Check the vendor advisory for the affected versions of Haxx. Attack surface: default.
Severity: Low (CVSS 3.4/10). Risk of unauthorized operations or information disclosure.
Update to the patched release per vendor advisory.
Until the patch is applied: disable the affected feature, apply WAF rules, or restrict access via network ACLs.
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
Concrete steps and command examples for SOC/SRE teams to execute in order
-
1Identify 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。 -
2Post-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。本番ではアクセスログ・WAF でアラート再発が無いか継続監視。
Fix status by distribution
Fixed packages published by each distribution for this CVE
- Alpine Linux ALPINE-CVE-2025-0167 curl Fixed in: 8.12.0-r0
- Debian DEBIAN-CVE-2025-0167 curl Fixed in: 7.88.1-10+deb12u11
References
- advisory security.netapp.com
- exploit hackerone.com
- patch curl.se
- patch curl.se
- web nvd.nist.gov
- web security.netapp.com
- web cert-portal.siemens.com
- web cert-portal.siemens.com
- web github.com