high7.5
CVE-2022-21222
css-what vulnerable to ReDoS due to use of insecure regular expression
Impact
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.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| npm | css-what | < 2.1.3 | 2.1.3 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Css-What Project | Css-What | before 2.1.3 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://github.com/fb55/css-what/blob/a38effd5a8f5506d75c7f8f13cbd8c76248a3860/index.js%23L12
- https://lists.debian.org/debian-lts-announce/2023/03/msg00001.html
- https://security.snyk.io/vuln/SNYK-JS-CSSWHAT-3035488
- https://github.com/advisories/GHSA-p28h-cc7q-c4fg
- https://nvd.nist.gov/vuln/detail/CVE-2022-21222
- https://github.com/fb55/css-what/commit/dc510929790da6617e7aa93a616498b22f6a6b72
- https://github.com/fb55/css-what/blob/a38effd5a8f5506d75c7f8f13cbd8c76248a3860/index.js#23L12