CVE-2022-23517
Description
rails-html-sanitizer is responsible for sanitizing HTML fragments in Rails applications. Certain configurations of rails-html-sanitizer < 1.4.4 use an inefficient regular expression that is susceptible to excessive backtracking when attempting to sanitize certain SVG attributes. This may lead to a denial of service through CPU resource consumption. This issue has been patched in version 1.4.4.
CWE
- CWE-1333 — CWE-1333: Inefficient Regular Expression Complexity
Affected
- rails / rails-html-sanitizer — v=< 1.4.4 [affected]
CVSS
- 3.1 score=7.5 severity=HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
References
- https://github.com/rails/rails-html-sanitizer/security/advisories/GHSA-5x79-w82f-gw8w x_refsource_CONFIRM
- https://github.com/rails/rails-html-sanitizer/commit/56c61c0cebd1e493e8ad7bca2a0191609a4a6979 x_refsource_MISC
- https://hackerone.com/reports/1684163 x_refsource_MISC
- https://lists.debian.org/debian-lts-announce/2023/09/msg00012.html
Source
cvelistV5-main/cves/2022/23xxx/CVE-2022-23517.json