CVE-2024-41818: ReDOS at currency parsing fast-xml-parser
First published: Mon Jul 29 2024(Updated: )
### 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
Credit: security-advisories@github.com security-advisories@github.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| npm/fast-xml-parser | >=4.3.5<4.4.1 | 4.4.1 |
| Fast-xml-parser Project Fast-xml-parser | =4.2.4 | |
| IBM Planning Analytics | <=2.1 | |
| IBM Planning Analytics | <=2.0 |
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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/NaturalIntelligence/fast-xml-parser/commit/ba5f35e7680468acd7906eaabb2f69e28ed8b2aa
- 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://access.redhat.com/errata/RHSA-2024:7624
- https://access.redhat.com/errata/RHSA-2024:8676
- https://bugzilla.redhat.com/show_bug.cgi?id=2300499
- https://www.ibm.com/support/pages/node/7168387 (Advisory)
Frequently Asked Questions
What is the severity of CVE-2024-41818?
CVE-2024-41818 has a moderate severity level due to the potential for a Regular Expression Denial of Service (ReDOS).
How do I fix CVE-2024-41818?
To fix CVE-2024-41818, update the fast-xml-parser package to version 4.4.1 or later.
Which versions of fast-xml-parser are affected by CVE-2024-41818?
CVE-2024-41818 affects fast-xml-parser versions from 4.3.5 up to 4.4.0, as well as version 4.2.4.
What type of vulnerability is CVE-2024-41818?
CVE-2024-41818 is classified as a Regular Expression Denial of Service (ReDOS) vulnerability.
Who discovered CVE-2024-41818?
CVE-2024-41818 was discovered by the Gauss Security Labs R&D team.
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