PT-2023-5396 · Redcloth+4 · Redcloth+4

Merbinro · Published 2023-06-06 · Updated 2024-01-10 · CVE-2023-31606

Positive Technologies (AI Summary)

CVSS v2.0

7.8

High

Base vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

Name of the Vulnerable Software and Affected Versions RedCloth gem version 4.0.0

Description A Regular Expression Denial of Service (ReDoS) issue was discovered in the sanitize html function. This issue allows attackers to cause a Denial of Service (DoS) via supplying a crafted payload. The vulnerability is related to the use of a regular expression with inefficient computational complexity, which can be exploited by a remote attacker to cause a service disruption.

Recommendations For RedCloth gem version 4.0.0, consider disabling the sanitize html function until a patch is available to prevent potential Denial of Service (DoS) attacks. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

DoS

Weakness Enumeration

CWE-1333

Related Identifiers

BDU:2023-06026

CVE-2023-31606

DLA-3480-1

GHSA-QCM3-VFQ5-WFR2

MGASA-2023-0291

USN-6358-1

Affected Products

Astra Linux

Debian

Linuxmint

Redcloth

Ubuntu

References · 26

• 🔥 https://github.com/rubysec/ruby-advisory-db/blob/master/gems/RedCloth/CVE-2023-31606.yml · Exploit
• 🔥 https://github.com/jgarber/redcloth/issues/73 · Exploit
• 🔥 https://github.com/e23e/CVE-2023-31606#readme · Exploit
• https://osv.dev/vulnerability/GHSA-qcm3-vfq5-wfr2 · Vendor Advisory
• https://osv.dev/vulnerability/MGASA-2023-0291 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-6358-1 · Vendor Advisory
• https://security.gentoo.org/glsa/202401-14 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2023-31606 · Security Note
• https://advisories.mageia.org/MGASA-2023-0291.html · Security Note
• https://security-tracker.debian.org/tracker/CVE-2023-31606 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2023-31606 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-31606 · Vendor Advisory
• https://bdu.fstec.ru/vul/2023-06026 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2023-31606 · Security Note
• https://osv.dev/vulnerability/DLA-3480-1 · Vendor Advisory