Check Point Advisories

Expat XML Parser Remote Code Execution (CVE-2022-25236)

Vulnerability
Protection

Check Point Reference:	CPAI-2022-0505
Date Published:	15 Aug 2022
Severity:	Critical
Last Updated:	Monday 15 August, 2022
Source:
Industry Reference:	CVE-2022-25236
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Expat XML Parser prior to version 2.4.5 Zoom Client version 5.9.3 Oracle ZFS Storage Appliance version 8.8 Oracle HTTP server version 12.2.1.4.0 Oracle HTTP server version 12.2.1.3.0 Debian Linux 10.0 Debian Linux 11.0
Vulnerability Description	A remote code execution vulnerability exists in Expat XML Parser. 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 Expat XML Parser Remote Code Execution (CVE-2022-25236) 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 Client Enforcement Violation.
Attack Information: Expat XML Parser Remote Code Execution (CVE-2022-25236)