CVE Vulnerability

CVE-2023-22796

A regular expression based DoS vulnerability in Active Support <6.1.7.1 and <7.0.4.1. A specially crafted string passed to the underscore method can cause the regular expression engine to enter a state of catastrophic backtracking. This can cause the process to use large amounts of CPU and memory, leading to a possible DoS vulnerability.

7.5 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://discuss.rubyonrails.org/t/cve-2023-22796-possible-redos-based-dos-vulnerability-in-active-supports-underscore/82116 Patch Vendor Advisory
Configurations

Configuration 1

cpe:2.3:a:activesupport_project:activesupport:*:*:*:*:*:ruby:*:*
cpe:2.3:a:activesupport_project:activesupport:*:*:*:*:*:ruby:*:*
Information

Published : 2023-02-09 08:15

Updated : 2023-02-17 07:27

NVD link : CVE-2023-22796

Mitre link : CVE-2023-22796

Products Affected
No products.
CWE
CWE-1333

Inefficient Regular Expression Complexity