jgarber/redcloth · Security
RedCloth Regular Expression Denial of Service issue
- GHSA ID
- GHSA-qcm3-vfq5-wfr2
- CVE ID
- CVE-2023-31606
- 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
A Regular Expression Denial of Service (ReDoS) issue was discovered in the sanitize_html function of RedCloth gem. This vulnerability allows attackers to cause a Denial of Service (DoS) via supplying a crafted payload.
CWEs
- CWE-1333 · Inefficient Regular Expression Complexity
References
- https://nvd.nist.gov/vuln/detail/CVE-2023-31606 ↗
- https://github.com/jgarber/redcloth/issues/73 ↗
- https://github.com/e23e/CVE-2023-31606#readme ↗
- https://github.com/jgarber/redcloth/blob/v4.3.2/lib/redcloth/formatters/html.rb#L327 ↗
- https://github.com/rubysec/ruby-advisory-db/blob/master/gems/RedCloth/CVE-2023-31606.yml ↗
- https://github.com/jgarber/redcloth ↗
- https://lists.debian.org/debian-lts-announce/2023/07/msg00002.html ↗
- https://github.com/jgarber/redcloth/commit/8b1327688fef8e6617792054ef299d7bc74c0a1e ↗
- https://security.gentoo.org/glsa/202401-14 ↗
- https://github.com/advisories/GHSA-qcm3-vfq5-wfr2 ↗