Check Point Advisories

IPFire Remote Code Execution (CVE-2021-33393)

Vulnerability
Protection

Check Point Reference:	CPAI-2021-0304
Date Published:	1 Jun 2021
Severity:	High
Last Updated:	Tuesday 20 July, 2021
Source:
Industry Reference:	CVE-2021-33393
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	IPFire 2.25 - core update 156
Vulnerability Description	A remote code execution vulnerability exists in IPFire. Successful exploitation of this vulnerability could allow a remote attacker to execute arbitrary code 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 IPFire Remote Code Execution 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: IPFire Remote Code Execution