ghsa-fhg7-m89q-25r3
Vulnerability from github
Published
2023-01-24 15:36
Modified
2025-04-01 23:06
Severity ?
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
ReDoS Vulnerability in ua-parser-js version
Details

Description:

A regular expression denial of service (ReDoS) vulnerability has been discovered in ua-parser-js.

Impact:

This vulnerability bypass the library's MAX_LENGTH input limit prevention. By crafting a very-very-long user-agent string with specific pattern, an attacker can turn the script to get stuck processing for a very long time which results in a denial of service (DoS) condition.

Affected Versions:

All versions of the library prior to version 0.7.33 / 1.0.33.

Patches:

A patch has been released to remove the vulnerable regular expression, update to version 0.7.33 / 1.0.33 or later.

References:

Regular expression Denial of Service - ReDoS

Credits:

Thanks to @Snyk who first reported the issue.

Show details on source website

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{
   affected: [
      {
         package: {
            ecosystem: "npm",
            name: "ua-parser-js",
         },
         ranges: [
            {
               events: [
                  {
                     introduced: "0",
                  },
                  {
                     fixed: "0.7.33",
                  },
               ],
               type: "ECOSYSTEM",
            },
         ],
      },
      {
         package: {
            ecosystem: "npm",
            name: "ua-parser-js",
         },
         ranges: [
            {
               events: [
                  {
                     introduced: "0.8.0",
                  },
                  {
                     fixed: "1.0.33",
                  },
               ],
               type: "ECOSYSTEM",
            },
         ],
      },
   ],
   aliases: [
      "CVE-2022-25927",
   ],
   database_specific: {
      cwe_ids: [
         "CWE-1333",
         "CWE-400",
      ],
      github_reviewed: true,
      github_reviewed_at: "2023-01-24T15:36:32Z",
      nvd_published_at: "2023-01-26T21:15:00Z",
      severity: "HIGH",
   },
   details: "### Description:\nA regular expression denial of service (ReDoS) vulnerability has been discovered in `ua-parser-js`.\n\n### Impact:\nThis vulnerability bypass the library's `MAX_LENGTH` input limit prevention. By crafting a very-very-long user-agent string with specific pattern, an attacker can turn the script to get stuck processing for a very long time which results in a denial of service (DoS) condition.\n\n### Affected Versions:\nAll versions of the library prior to version `0.7.33` / `1.0.33`.\n\n### Patches:\nA patch has been released to remove the vulnerable regular expression, update to version `0.7.33` / `1.0.33` or later.\n\n### References:\n[Regular expression Denial of Service - ReDoS](https://owasp.org/www-community/attacks/Regular_expression_Denial_of_Service_-_ReDoS)\n\n### Credits:\nThanks to @Snyk who first reported the issue.",
   id: "GHSA-fhg7-m89q-25r3",
   modified: "2025-04-01T23:06:05Z",
   published: "2023-01-24T15:36:32Z",
   references: [
      {
         type: "WEB",
         url: "https://github.com/faisalman/ua-parser-js/security/advisories/GHSA-fhg7-m89q-25r3",
      },
      {
         type: "ADVISORY",
         url: "https://nvd.nist.gov/vuln/detail/CVE-2022-25927",
      },
      {
         type: "WEB",
         url: "https://github.com/faisalman/ua-parser-js/commit/a6140a17dd0300a35cfc9cff999545f267889411",
      },
      {
         type: "PACKAGE",
         url: "https://github.com/faisalman/ua-parser-js",
      },
      {
         type: "WEB",
         url: "https://security.snyk.io/vuln/SNYK-JS-UAPARSERJS-3244450",
      },
   ],
   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: "ReDoS Vulnerability in ua-parser-js version",
}


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