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Security Advisories: MDE2OlNlY3VyaXR5QWR2aXNvcnlHSFNBLTc4Y2otZnhwaC1tODNw
Regular Expression Denial of Service (ReDoS) in ua-parser-js
ua-parser-js >= 0.7.14, fixed in 0.7.24, uses a regular expression which is vulnerable to denial of service. If an attacker sends a malicious User-Agent header, ua-parser-js will get stuck processing it for an extended period of time.
Permalink: https://github.com/advisories/GHSA-78cj-fxph-m83pJSON: https://advisories.ecosyste.ms/api/v1/advisories/MDE2OlNlY3VyaXR5QWR2aXNvcnlHSFNBLTc4Y2otZnhwaC1tODNw
Source: GitHub Advisory Database
Origin: Unspecified
Severity: High
Classification: General
Published: over 2 years ago
Updated: 10 months ago
CVSS Score: 7.5
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Identifiers: GHSA-78cj-fxph-m83p, CVE-2021-27292
References:
- https://nvd.nist.gov/vuln/detail/CVE-2021-27292
- https://github.com/faisalman/ua-parser-js/commit/809439e20e273ce0d25c1d04e111dcf6011eb566
- https://gist.github.com/b-c-ds/6941d80d6b4e694df4bc269493b7be76
- https://github.com/pygments/pygments/commit/2e7e8c4a7b318f4032493773732754e418279a14
- https://github.com/advisories/GHSA-78cj-fxph-m83p
Affected Packages
npm:ua-parser-js
Versions: >= 0.7.14, < 0.7.24Fixed in: 0.7.24