Check Point Advisories

Suspicious Non-Alphanumeric JavaScript Encoding

Vulnerability
Protection

Check Point Reference:	CPAI-2014-0949
Date Published:	26 Feb 2014
Severity:	High
Last Updated:	Wednesday 26 February, 2014
Source:
Protection Provided by:	Security Gateway R75 and above
Who is Vulnerable?	Security software products
Vulnerability Description	Certain evasion tools can obfuscate JavaScript code in order to circumvent security software. Successful exploitation could allow attackers to execute arbitrary code on the target.

Protection Overview

This protection will detect and block 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, Protection tab and select the version of your choice.

Security Gateway R70 / R71 / R75 and above

In the IPS tab, click Protections and find the Suspicious Non-Alphanumeric JavaScript Encoding 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:  Suspicious Non-Alphanumeric JavaScript Encoding