CVE-2023-22795

Description

A regular expression based DoS vulnerability in Action Dispatch <6.1.7.1 and <7.0.4.1 related to the If-None-Match header. A specially crafted HTTP If-None-Match header can cause the regular expression engine to enter a state of catastrophic backtracking, when on a version of Ruby below 3.2.0. This can cause the process to use large amounts of CPU and memory, leading to a possible DoS vulnerability All users running an affected release should either upgrade or use one of the workarounds immediately.

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Produits concernés

• https://github.com/rails/rails
• Rubyonrails rails
• Debian debian linux

Scores CVSS

Faiblesses (CWE)

• CWE-400
• CWE-1333

Références

• https://discuss.rubyonrails.org/t/cve-2023-22795-possible-redos-based-dos-vulnerability-in-action-dispatch/82118 PatchVendor Advisory
• https://security.netapp.com/advisory/ntap-20240202-0010/
• https://www.debian.org/security/2023/dsa-5372 Third Party Advisory
• https://discuss.rubyonrails.org/t/cve-2023-22795-possible-redos-based-dos-vulnerability-in-action-dispatch/82118 PatchVendor Advisory
• https://security.netapp.com/advisory/ntap-20240202-0010/
• https://www.debian.org/security/2023/dsa-5372 Third Party Advisory

Ailleurs

• NVD
• CVE.org
• CIRCL Vulnerability-Lookup
• CERT-FR
• GitHub Advisories