Ecosyste.ms: Advisories

Security Advisories: GSA_kwCzR0hTQS1xY20zLXZmcTUtd2ZyMs4AAzr_

RedCloth Regular Expression Denial of Service issue

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.

Permalink: https://github.com/advisories/GHSA-qcm3-vfq5-wfr2
JSON: https://advisories.ecosyste.ms/api/v1/advisories/GSA_kwCzR0hTQS1xY20zLXZmcTUtd2ZyMs4AAzr_
Source: GitHub Advisory Database
Origin: Unspecified
Severity: High
Classification: General
Published: 11 months ago
Updated: 4 months ago

CVSS Score: 7.5
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Identifiers: GHSA-qcm3-vfq5-wfr2, CVE-2023-31606
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

Repository: https://github.com/jgarber/redcloth
Blast Radius: 32.8

Affected Packages