A Regular Expression Denial of Service (ReDoS) issue was discovered in the sanitize_html function of redcloth gem v4.0.0. This vulnerability allows attackers to cause a Denial of Service (DoS) via supplying a crafted payload.
The product uses a regular expression with an inefficient, possibly exponential worst-case computational complexity that consumes excessive CPU cycles.
Link | Tags |
---|---|
https://github.com/jgarber/redcloth/issues/73 | third party advisory issue tracking exploit |
https://github.com/jgarber/redcloth | product |
https://github.com/e23e/CVE-2023-31606#readme | third party advisory exploit |
https://lists.debian.org/debian-lts-announce/2023/07/msg00002.html | mailing list |
https://security.gentoo.org/glsa/202401-14 | vendor advisory |