high7.5
CVE-2023-31606
RedCloth Regular Expression Denial of Service issue
Impact
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.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| rubygems | RedCloth | < 4.3.3 | 4.3.3 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Promptworks | Redcloth | from 4.0.0 through 4.3.2 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://github.com/e23e/CVE-2023-31606#readme
- https://github.com/jgarber/redcloth
- https://github.com/jgarber/redcloth/issues/73
- https://lists.debian.org/debian-lts-announce/2023/07/msg00002.html
- https://security.gentoo.org/glsa/202401-14
- https://github.com/advisories/GHSA-qcm3-vfq5-wfr2
- https://nvd.nist.gov/vuln/detail/CVE-2023-31606
- 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/commit/8b1327688fef8e6617792054ef299d7bc74c0a1e