Inefficient regular expression complexity in Ruby on Rails - CVE-2024-26142
Published: February 26, 2024 / Updated: February 27, 2024
Vulnerability identifier: #VU86802
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2024-26142
CWE-ID: CWE-1333
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient input validation when processing untrusted input with a regular expressions. A remote attacker can pass specially crafted data to the application and perform regular expression denial of service (ReDos) attack.
Affected software
Ruby on Rails
How to mitigate CVE-2024-26142
Install updates from vendor's website.
Ruby on Rails - update to 7.1.3.1