fb55/css-what · Security
css-what vulnerable to ReDoS due to use of insecure regular expression
- GHSA ID
- GHSA-p28h-cc7q-c4fg
- CVE ID
- CVE-2022-21222
- Severity
- high
- Published
- Updated
- CVSS
- 7.5 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CVSS v3
- 7.5 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Description
The package css-what before 2.1.3 is vulnerable to Regular Expression Denial of Service (ReDoS) due to the use of insecure regular expression in the re_attr variable of index.js. The exploitation of this vulnerability could be triggered via the parse function.
CWEs
- CWE-400 · Uncontrolled Resource Consumption
- CWE-1333 · Inefficient Regular Expression Complexity
References
- https://nvd.nist.gov/vuln/detail/CVE-2022-21222 ↗
- https://security.snyk.io/vuln/SNYK-JS-CSSWHAT-3035488 ↗
- https://github.com/fb55/css-what/commit/dc510929790da6617e7aa93a616498b22f6a6b72 ↗
- https://github.com/fb55/css-what/blob/a38effd5a8f5506d75c7f8f13cbd8c76248a3860/index.js#23L12 ↗
- https://github.com/fb55/css-what/blob/a38effd5a8f5506d75c7f8f13cbd8c76248a3860/index.js%23L12 ↗
- https://lists.debian.org/debian-lts-announce/2023/03/msg00001.html ↗
- https://github.com/advisories/GHSA-p28h-cc7q-c4fg ↗