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

Merbinro · Publicado 2023-06-06 · Atualizado 2024-01-10 · CVE-2023-31606

Positive Technologies (AI Summary)

CVSS v2.0

7.8

Alta

Vetor base

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

Enumeração de Fraquezas

CWE-1333

Identificadores relacionados

BDU:2023-06026

CVE-2023-31606

DLA-3480-1

GHSA-QCM3-VFQ5-WFR2

MGASA-2023-0291

USN-6358-1

Produtos afetados

Astra Linux

Debian

Linuxmint

Redcloth

Ubuntu

Referências · 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://github.com/jgarber/redcloth · Nota
• https://github.com/jgarber/redcloth/commit/8b1327688fef8e6617792054ef299d7bc74c0a1e · Nota
• https://github.com/jgarber/redcloth/blob/v4.3.2/lib/redcloth/formatters/html.rb#L327 · Nota
• https://osv.dev/vulnerability/GHSA-qcm3-vfq5-wfr2 · Aviso do Fabricante
• https://access.redhat.com/security/cve/cve-2023-31606 · Nota
• https://osv.dev/vulnerability/MGASA-2023-0291 · Aviso do Fabricante
• https://ubuntu.com/security/notices/USN-6358-1 · Aviso do Fabricante
• https://security.gentoo.org/glsa/202401-14 · Aviso do Fabricante
• https://cve.org/CVERecord?id=CVE-2023-31606 · Nota de Segurança
• https://bugs.mageia.org/show_bug.cgi?id=32284 · Nota
• https://advisories.mageia.org/MGASA-2023-0291.html · Nota de Segurança
• https://security-tracker.debian.org/tracker/CVE-2023-31606 · Aviso do Fabricante