{
  "canonical_id": "undici--CVE-2023-23936",
  "system_id": "undici",
  "display_name": "Undici",
  "category": "frameworks",
  "advisory_mode": "core",
  "title": "CRLF Injection in Nodejs \u2018undici\u2019 via host",
  "summary": "### Impact\n\nundici library does not protect `host` HTTP header from CRLF injection vulnerabilities.\n\n### Patches\n\nThis issue was patched in Undici v5.19.1.\n\n### Workarounds\n\nSanitize the `headers.host` string before passing to undici.\n\n### References\n\nReported at https://hackerone.com/reports/1820955.\n\n### Credits\n\nThank you to Zhipeng Zhang ([@timon8](https://hackerone.com/timon8)) for reporting this vulnerability. ",
  "published_at": "2023-02-16T20:46:30Z",
  "updated_at": "2024-12-16T15:26:50.318903Z",
  "severity": "medium",
  "cvss_score": 3.1,
  "exploit_status": "unknown",
  "source_confidence": "official",
  "official_source_url": "https://github.com/nodejs/undici/security/advisories/GHSA-5r9g-qh6m-jxff",
  "secondary_source_urls": [
    "https://github.com/nodejs/undici/commit/a2eff05401358f6595138df963837c24348f2034",
    "https://nvd.nist.gov/vuln/detail/CVE-2023-23936",
    "https://hackerone.com/reports/1820955",
    "https://github.com/nodejs/undici",
    "https://github.com/nodejs/undici/releases/tag/v5.19.1"
  ],
  "aliases": [
    "BIT-node-2023-23936",
    "BIT-node-min-2023-23936",
    "CVE-2023-23936",
    "GHSA-5r9g-qh6m-jxff"
  ],
  "cve_ids": [
    "CVE-2023-23936"
  ],
  "ghsa_ids": [
    "GHSA-5r9g-qh6m-jxff"
  ],
  "osv_ids": [
    "GHSA-5r9g-qh6m-jxff"
  ],
  "affected_versions": [
    "introduced=2.0.0, fixed<5.19.1"
  ],
  "fixed_versions": [
    "5.19.1"
  ],
  "package_name": "undici",
  "render_markdown": true,
  "case_path": "07-framework-security/frameworks/undici/cases/undici-cve-2023-23936.md",
  "secure_code_topics": [
    "ssrf-url-validation",
    "proxy-trust-boundary"
  ],
  "status": "generated",
  "triage_reasons": [],
  "verification_status": "triage-manual",
  "verification_mode": "synthetic",
  "last_verified_at": null,
  "last_run_id": null,
  "evidence_bundle": null,
  "historical_status": null,
  "latest_status": null,
  "browser_evidence": {
    "required": false,
    "present": false,
    "refs": []
  },
  "repro_profile_id": "undici-ssrf",
  "artifact_mode": "synthetic",
  "blocked_reason": null,
  "metadata": {
    "source_names": [
      "OSV Undici",
      "NVD Undici"
    ],
    "source_kinds": [
      "osv-batch",
      "nvd-search"
    ],
    "candidate_count": 2
  }
}