Inefficient regular expression complexity in configobj - CVE-2023-26112

 

Inefficient regular expression complexity in configobj - CVE-2023-26112

Published: August 22, 2023


Vulnerability identifier: #VU79836
CSH Severity: Medium
CVSS v4.0: 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-2023-26112
CWE-ID: CWE-1333
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Differently Sized Kittens
Affected software:
configobj

Detailed vulnerability description

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.


How to mitigate CVE-2023-26112

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Sources