Headline
Gentoo Linux Security Advisory 202401-14
Gentoo Linux Security Advisory 202401-14 - A denial of service vulnerability has been found in RedCloth. Versions greater than or equal to 4.3.2-r5 are affected.
Gentoo Linux Security Advisory GLSA 202401-14
https://security.gentoo.org/
Severity: Low
Title: RedCloth: ReDoS Vulnerability
Date: January 10, 2024
Bugs: #908035
ID: 202401-14
Synopsis
A denial of service vulnerability has been found in RedCloth.
Background
RedCloth is a module for using Textile in Ruby
Affected packages
Package Vulnerable Unaffected
dev-ruby/redcloth < 4.3.2-r5 >= 4.3.2-r5
Description
A vulnerability has been discovered in RedCloth. Please review the CVE
identifier referenced below for details.
Impact
RedCloth is vulnerable to a regular expression denial of service
(“ReDoS”) attack via the sanitize_html function.
Workaround
There is no known workaround at this time.
Resolution
All RedCloth users should upgrade to the latest version:
emerge --sync
emerge --ask --oneshot --verbose “>=dev-ruby/redcloth-4.3.2-r5”
References
[ 1 ] CVE-2023-31606
https://nvd.nist.gov/vuln/detail/CVE-2023-31606
Availability
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
https://security.gentoo.org/glsa/202401-14
Concerns?
Security is a primary focus of Gentoo Linux and ensuring the
confidentiality and security of our users’ machines is of utmost
importance to us. Any security concerns should be addressed to
[email protected] or alternatively, you may file a bug at
https://bugs.gentoo.org.
License
Copyright 2024 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).
The contents of this document are licensed under the
Creative Commons - Attribution / Share Alike license.
https://creativecommons.org/licenses/by-sa/2.5
Related news
Ubuntu Security Notice 6358-1 - It was discovered that RedCloth incorrectly handled certain inputs during html sanitisation. An attacker could possibly use this issue to cause a denial of service.
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.
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.