Check Point Advisories

pfSense pfBlockerNG Command Injection (CVE-2022-31814; CVE-2022-40624)

Vulnerability
Protection

Check Point Reference:	CPAI-2022-1179
Date Published:	13 Feb 2023
Severity:	Critical
Last Updated:	Thursday 30 May, 2024
Source:
Industry Reference:	CVE-2022-31814 CVE-2022-40624
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	pfSense pfblockerng prior to version 2.1.4_27
Vulnerability Description	An command injection vulnerability exists in pfSense pfBlockerNG. Successful exploitation of this vulnerability would allow a remote attacker to execute arbitrary commands on the affected system.

Protection Overview

This protection detects attempts to exploit this vulnerability.

In order for the protection to be activated, update your Security Gateway product to the latest IPS update. For information on how to update IPS, go to SBP-2006-05, click on Protection tab and select the version of your choice.

Security Gateway R81 / R80 / R77 / R75

In the IPS tab, click Protections and find the pfSense pfBlockerNG Command Injection protection using the Search tool and Edit the protection's settings.
Install policy on all Security Gateways.

This protection's log will contain the following information:

Attack Name: Web Server Enforcement Violation.
Attack Information: pfSense pfBlockerNG Command Injection