Check Point Advisories

PNG Containing Malicious JavaScript Code

Vulnerability
Protection

Check Point Reference:	CPAI-2017-0438
Date Published:	24 May 2017
Severity:	Critical
Last Updated:	Wednesday 24 May, 2017
Source:
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?
Vulnerability Description	A code execution vulnerability exists in multiple web-browsers when handling PNG files containing malicious JavaScript code. Opening those files would allow the malicious code to run and infect the target 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 R80 / R77 / R75

In the IPS tab, click Protections and find the PNG Containing Malicious JavaScript Code 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: PNG Containing Malicious JavaScript Code