ghsa-mpg4-rc92-vx8v
Vulnerability from github
Published
2024-07-29 17:46
Modified
2024-10-11 14:13
Severity ?
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
8.7 (High) - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Summary
fast-xml-parser vulnerable to ReDOS at currency parsing
Details

Summary

A ReDOS that exists on currency.js was discovered by Gauss Security Labs R&D team.

Details

https://github.com/NaturalIntelligence/fast-xml-parser/blob/v4.4.0/src/v5/valueParsers/currency.js#L10 contains a vulnerable regex

PoC

pass the following string '\t'.repeat(13337) + '.'

Impact

Denial of service during currency parsing in experimental version 5 of fast-xml-parser-library

https://gauss-security.com

Show details on source website

To clipboard 

{
   affected: [
      {
         package: {
            ecosystem: "npm",
            name: "fast-xml-parser",
         },
         ranges: [
            {
               events: [
                  {
                     introduced: "4.3.5",
                  },
                  {
                     fixed: "4.4.1",
                  },
               ],
               type: "ECOSYSTEM",
            },
         ],
      },
   ],
   aliases: [
      "CVE-2024-41818",
   ],
   database_specific: {
      cwe_ids: [
         "CWE-1333",
         "CWE-400",
      ],
      github_reviewed: true,
      github_reviewed_at: "2024-07-29T17:46:16Z",
      nvd_published_at: "2024-07-29T16:15:05Z",
      severity: "HIGH",
   },
   details: "### Summary\nA ReDOS that exists on currency.js was discovered by Gauss Security Labs R&D team.\n\n### Details\nhttps://github.com/NaturalIntelligence/fast-xml-parser/blob/v4.4.0/src/v5/valueParsers/currency.js#L10 contains a vulnerable regex \n\n### PoC\npass the following string '\\t'.repeat(13337)  + '.'\n\n### Impact\nDenial of service during currency parsing in experimental version 5 of fast-xml-parser-library\n\nhttps://gauss-security.com",
   id: "GHSA-mpg4-rc92-vx8v",
   modified: "2024-10-11T14:13:07Z",
   published: "2024-07-29T17:46:16Z",
   references: [
      {
         type: "WEB",
         url: "https://github.com/NaturalIntelligence/fast-xml-parser/security/advisories/GHSA-mpg4-rc92-vx8v",
      },
      {
         type: "ADVISORY",
         url: "https://nvd.nist.gov/vuln/detail/CVE-2024-41818",
      },
      {
         type: "WEB",
         url: "https://github.com/NaturalIntelligence/fast-xml-parser/commit/ba5f35e7680468acd7906eaabb2f69e28ed8b2aa",
      },
      {
         type: "WEB",
         url: "https://github.com/NaturalIntelligence/fast-xml-parser/commit/d0bfe8a3a2813a185f39591bbef222212d856164",
      },
      {
         type: "PACKAGE",
         url: "https://github.com/NaturalIntelligence/fast-xml-parser",
      },
      {
         type: "WEB",
         url: "https://github.com/NaturalIntelligence/fast-xml-parser/blob/master/src/v5/valueParsers/currency.js#L10",
      },
   ],
   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",
      },
      {
         score: "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
         type: "CVSS_V4",
      },
   ],
   summary: "fast-xml-parser vulnerable to ReDOS at currency parsing",
}


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