#VU69494 Incorrect Regular Expression in cleo - CVE-2022-42966

 

#VU69494 Incorrect Regular Expression in cleo - CVE-2022-42966

Published: November 22, 2022


Vulnerability identifier: #VU69494
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:P/U:Green
CVE-ID: CVE-2022-42966
CWE-ID: CWE-185
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
cleo
Software vendor:
sdispater (Sébastien Eustace)

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 regular expressions in the Table.set_rows method. A remote attacker can pass specially crafted data to the application and perform regular expression denial of service (ReDos) attack.


Remediation

Install update from vendor's website.

External links