Check Point Advisories

JavaScript Code Evasion Attempt

Vulnerability
Protection

Check Point Reference:	CPAI-2014-1741
Date Published:	4 Aug 2014
Severity:	High
Last Updated:	Thursday 31 July, 2014
Source:
Protection Provided by:	Security Gateway R77 R76 R75
Who is Vulnerable?
Vulnerability Description	Certain evasion tools can use JavaScript code in order to circumvent inspection by security software. An attacker could use such evasion methods in order to execute arbitrary code on the target.

Protection Overview

This protection will detect and block attempts to use such evasion methods.

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, Protection tab and select the version of your choice.

Security Gateway R77 / R76 / R75 / R71 / R70

In the IPS tab, click Protections and find the JavaScript Code Evasion Attempt protection using the Search tool and Edit the protection's settings.
Install policy on all modules.

SmartView Tracker will log the following entries:

Attack Name:  Content Protection Violation.
Attack Information:  JavaScript Code Evasion Attempt