ghsa-486f-hjj9-9vhh
Vulnerability from github
Published
2022-12-13 17:36
Modified
2022-12-13 17:36
Severity ?
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
Inefficient Regular Expression Complexity in Loofah
Details

Summary

Loofah < 2.19.1 contains an inefficient regular expression that is susceptible to excessive backtracking when attempting to sanitize certain SVG attributes. This may lead to a denial of service through CPU resource consumption.

Mitigation

Upgrade to Loofah >= 2.19.1.

Severity

The Loofah maintainers have evaluated this as High Severity 7.5 (CVSS3.1).

References

Credit

This vulnerability was responsibly reported by @ooooooo-q (https://github.com/ooooooo-q).

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{
   affected: [
      {
         package: {
            ecosystem: "RubyGems",
            name: "loofah",
         },
         ranges: [
            {
               events: [
                  {
                     introduced: "0",
                  },
                  {
                     fixed: "2.19.1",
                  },
               ],
               type: "ECOSYSTEM",
            },
         ],
      },
   ],
   aliases: [
      "CVE-2022-23514",
   ],
   database_specific: {
      cwe_ids: [
         "CWE-1333",
      ],
      github_reviewed: true,
      github_reviewed_at: "2022-12-13T17:36:28Z",
      nvd_published_at: "2022-12-14T14:15:00Z",
      severity: "HIGH",
   },
   details: "## Summary\n\nLoofah `< 2.19.1` contains an inefficient regular expression that is susceptible to excessive backtracking when attempting to sanitize certain SVG attributes. This may lead to a denial of service through CPU resource consumption.\n\n\n## Mitigation\n\nUpgrade to Loofah `>= 2.19.1`.\n\n\n## Severity\n\nThe Loofah maintainers have evaluated this as [High Severity 7.5 (CVSS3.1)](https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).\n\n\n## References\n\n- [CWE - CWE-1333: Inefficient Regular Expression Complexity (4.9)](https://cwe.mitre.org/data/definitions/1333.html)\n- https://hackerone.com/reports/1684163\n\n\n## Credit\n\nThis vulnerability was responsibly reported by @ooooooo-q (https://github.com/ooooooo-q).\n",
   id: "GHSA-486f-hjj9-9vhh",
   modified: "2022-12-13T17:36:28Z",
   published: "2022-12-13T17:36:28Z",
   references: [
      {
         type: "WEB",
         url: "https://github.com/flavorjones/loofah/security/advisories/GHSA-486f-hjj9-9vhh",
      },
      {
         type: "ADVISORY",
         url: "https://nvd.nist.gov/vuln/detail/CVE-2022-23514",
      },
      {
         type: "WEB",
         url: "https://github.com/flavorjones/loofah/commit/a6e0a1ab90675a17b1b2be189129d94139e4b143",
      },
      {
         type: "WEB",
         url: "https://hackerone.com/reports/1684163",
      },
      {
         type: "PACKAGE",
         url: "https://github.com/flavorjones/loofah",
      },
      {
         type: "WEB",
         url: "https://github.com/rubysec/ruby-advisory-db/blob/master/gems/loofah/CVE-2022-23514.yml",
      },
      {
         type: "WEB",
         url: "https://lists.debian.org/debian-lts-announce/2023/09/msg00011.html",
      },
   ],
   schema_version: "1.4.0",
   severity: [
      {
         score: "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
         type: "CVSS_V3",
      },
   ],
   summary: "Inefficient Regular Expression Complexity in Loofah",
}


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