#VU71303 Input validation error in Ruby on Rails - CVE-2023-22796
Published: January 18, 2023
Vulnerability identifier: #VU71303
Vulnerability risk: Medium
CVSSv4.0: 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/E:U/U:Green
CVE-ID: CVE-2023-22796
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Ruby on Rails
Ruby on Rails
Software vendor:
Rails
Rails
Description
The vulnerability allows a remote attacker to perform a regular expression based denial of service (ReDoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input in Active Support in Inflector.underscore. A remote attacker can pass specially crafted input to the application and perform a regular expression based denial of service (ReDoS) attack.
Remediation
Install updates from vendor's website.