CVE-2024-41818: ReDOS at currency parsing fast-xml-parser
First published: Mon Jul 29 2024(Updated: )
### Summary A ReDOS exists on currency.js was discovered by Gauss Security Labs R&D team. ### Details https://github.com/NaturalIntelligence/fast-xml-parser/blob/master/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
Credit: security-advisories@github.com security-advisories@github.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| npm/fast-xml-parser | <4.4.1 | 4.4.1 |
| Fast-xml-parser Project Fast-xml-parser | =4.2.4 |
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Reference Links
- https://github.com/NaturalIntelligence/fast-xml-parser/security/advisories/GHSA-mpg4-rc92-vx8v
- https://github.com/NaturalIntelligence/fast-xml-parser/commit/d0bfe8a3a2813a185f39591bbef222212d856164
- https://github.com/NaturalIntelligence/fast-xml-parser/blob/master/src/v5/valueParsers/currency.js#L10
- https://nvd.nist.gov/vuln/detail/CVE-2024-41818
- https://github.com/advisories/GHSA-mpg4-rc92-vx8v (Advisory)
- https://access.redhat.com/errata/RHSA-2024:5054
- https://access.redhat.com/errata/RHSA-2024:6755
- https://bugzilla.redhat.com/show_bug.cgi?id=2300499
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