Check Point Advisories

Web Clients Suspicious Image File Download

Vulnerability
Protection

Check Point Reference:	CPAI-2015-0187
Date Published:	16 Nov 2014
Severity:	Critical
Last Updated:	Tuesday 24 February, 2015
Source:
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Linux Servers
Vulnerability Description	A remote attacker can hide a malicious code within an image file, in an attempt to avoid detection. Successful exploitation could result in the execution of arbitrary code in the security context of the web server.

Protection Overview

This protection will detect and block the download of suspicious image files.

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 R80 / R77 / R75

In the IPS tab, click Protections and find the Web Clients Suspicious Image File Download 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: Web Clients Suspicious Image File Download