Incorrect Regular Expression in python-py - CVE-2022-42969

 

Incorrect Regular Expression in python-py - CVE-2022-42969

Published: January 30, 2023


Vulnerability identifier: #VU71642
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-2022-42969
CWE-ID: CWE-185
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: pytest-dev
Affected software:
python-py

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 in Subversion repository caused by a mishandled InfoSvnCommand argument. A remote attacker can pass specially crafted data to the application and perform regular expression denial of service (ReDos) attack.


How to mitigate CVE-2022-42969

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

Sources