Check Point Advisories

PHP Code Inside GIF Image

Vulnerability
Protection

Check Point Reference:	CPAI-2013-1691
Date Published:	1 May 2013
Severity:	N/A
Last Updated:	Wednesday 01 May, 2013
Source:
Protection Provided by:	Security Gateway R81, R80, R77, R75, R71, R70
Who is Vulnerable?
Vulnerability Description	GIF images that contain PHP code can be used for malicous purposes. There are cases in which certain traffic, although not intended for malicious use, is very unsafe, since it may transfer shellcode which is undetectable by IPS.

Protection Overview

This protection will detect and block GIF image files with PHP code.

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 / R71 / R70

In the IPS tab, click Protections and find the PHP Code Inside GIF Image 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: Content Protection Violation.
Attack Information: PHP Code Inside GIF Image