Incorrect Regular Expression in Liferay Enterprise Portal and Liferay DXP - CVE-2023-33950
Published: May 26, 2023
Vulnerability identifier: #VU76580
CSH Severity: Medium
CVSS v4: 7.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2023-33950
CWE-ID: CWE-185
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 regular expressions. A remote user can pass specially crafted data to the application and perform regular expression denial of service (ReDos) attack.
Affected software
Liferay Enterprise Portal
Liferay DXP
Liferay DXP
How to mitigate CVE-2023-33950
Install update from vendor's website.
Liferay Enterprise Portal - update to 7.4.3.77 ga77
Liferay DXP - update to 7.4 update 77
Liferay DXP - update to 7.4 update 77