ghsa-f9vj-2wh5-fj8j
Vulnerability from github
Published
2024-10-25 19:43
Modified
2025-01-31 15:30
Severity ?
6.3 (Medium) - CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
Summary
Werkzeug safe_join not safe on Windows
Details

On Python < 3.11 on Windows, os.path.isabs() does not catch UNC paths like //server/share. Werkzeug's safe_join() relies on this check, and so can produce a path that is not safe, potentially allowing unintended access to data. Applications using Python >= 3.11, or not using Windows, are not vulnerable.

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{
   affected: [
      {
         database_specific: {
            last_known_affected_version_range: "<= 3.0.5",
         },
         package: {
            ecosystem: "PyPI",
            name: "Werkzeug",
         },
         ranges: [
            {
               events: [
                  {
                     introduced: "0",
                  },
                  {
                     fixed: "3.0.6",
                  },
               ],
               type: "ECOSYSTEM",
            },
         ],
      },
   ],
   aliases: [
      "CVE-2024-49766",
   ],
   database_specific: {
      cwe_ids: [
         "CWE-22",
      ],
      github_reviewed: true,
      github_reviewed_at: "2024-10-25T19:43:41Z",
      nvd_published_at: "2024-10-25T20:15:04Z",
      severity: "MODERATE",
   },
   details: "On Python < 3.11 on Windows, `os.path.isabs()` does not catch UNC paths like `//server/share`. Werkzeug's `safe_join()` relies on this check, and so can produce a path that is not safe, potentially allowing unintended access to data. Applications using Python >= 3.11, or not using Windows, are not vulnerable.",
   id: "GHSA-f9vj-2wh5-fj8j",
   modified: "2025-01-31T15:30:42Z",
   published: "2024-10-25T19:43:41Z",
   references: [
      {
         type: "WEB",
         url: "https://github.com/pallets/werkzeug/security/advisories/GHSA-f9vj-2wh5-fj8j",
      },
      {
         type: "ADVISORY",
         url: "https://nvd.nist.gov/vuln/detail/CVE-2024-49766",
      },
      {
         type: "WEB",
         url: "https://github.com/pallets/werkzeug/commit/2767bcb10a7dd1c297d812cc5e6d11a474c1f092",
      },
      {
         type: "PACKAGE",
         url: "https://github.com/pallets/werkzeug",
      },
      {
         type: "WEB",
         url: "https://github.com/pallets/werkzeug/releases/tag/3.0.6",
      },
      {
         type: "WEB",
         url: "https://security.netapp.com/advisory/ntap-20250131-0005",
      },
   ],
   schema_version: "1.4.0",
   severity: [
      {
         score: "CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N",
         type: "CVSS_V4",
      },
   ],
   summary: "Werkzeug safe_join not safe on Windows",
}


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