GHSA-9hx2-hgq2-2g4f
Vulnerability from github
Published
2021-03-29 16:35
Modified
2024-10-09 21:05
Severity ?
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
6.9 (Medium) - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Summary
Regular Expression Denial of Service (ReDoS) in Pillow
Details

An issue was discovered in Pillow before 8.1.1. The PDF parser allows a regular expression DoS (ReDoS) attack via a crafted PDF file because of a catastrophic backtracking regex.

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{
   affected: [
      {
         package: {
            ecosystem: "PyPI",
            name: "pillow",
         },
         ranges: [
            {
               events: [
                  {
                     introduced: "5.1.0",
                  },
                  {
                     fixed: "8.1.1",
                  },
               ],
               type: "ECOSYSTEM",
            },
         ],
      },
   ],
   aliases: [
      "CVE-2021-25292",
   ],
   database_specific: {
      cwe_ids: [
         "CWE-400",
      ],
      github_reviewed: true,
      github_reviewed_at: "2021-03-22T22:05:35Z",
      nvd_published_at: "2021-03-19T04:15:00Z",
      severity: "MODERATE",
   },
   details: "An issue was discovered in Pillow before 8.1.1. The PDF parser allows a regular expression DoS (ReDoS) attack via a crafted PDF file because of a catastrophic backtracking regex.",
   id: "GHSA-9hx2-hgq2-2g4f",
   modified: "2024-10-09T21:05:46Z",
   published: "2021-03-29T16:35:46Z",
   references: [
      {
         type: "ADVISORY",
         url: "https://nvd.nist.gov/vuln/detail/CVE-2021-25292",
      },
      {
         type: "WEB",
         url: "https://github.com/python-pillow/Pillow/commit/3bce145966374dd39ce58a6fc0083f8d1890719c",
      },
      {
         type: "WEB",
         url: "https://github.com/python-pillow/Pillow/commit/521dab94c7ab72b037bd9a83e9663401e0fd2cee",
      },
      {
         type: "WEB",
         url: "https://github.com/python-pillow/Pillow/commit/6207b44ab1ff4a91d8ddc7579619876d0bb191a4",
      },
      {
         type: "ADVISORY",
         url: "https://github.com/advisories/GHSA-9hx2-hgq2-2g4f",
      },
      {
         type: "WEB",
         url: "https://github.com/pypa/advisory-database/tree/main/vulns/pillow/PYSEC-2021-38.yaml",
      },
      {
         type: "WEB",
         url: "https://github.com/python-pillow/Pillow",
      },
      {
         type: "WEB",
         url: "https://pillow.readthedocs.io/en/stable/releasenotes/8.1.1.html",
      },
      {
         type: "WEB",
         url: "https://security.gentoo.org/glsa/202107-33",
      },
   ],
   schema_version: "1.4.0",
   severity: [
      {
         score: "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
         type: "CVSS_V3",
      },
      {
         score: "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
         type: "CVSS_V4",
      },
   ],
   summary: "Regular Expression Denial of Service (ReDoS) in Pillow",
}


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