Check Point Advisories

JavaScript Malicious Obfuscation Techniques

Vulnerability
Protection

Check Point Reference:	CPAI-2013-3761
Date Published:	6 Jan 2014
Severity:	Critical
Last Updated:	Wednesday 22 January, 2025
Source:
Protection Provided by:	Security Gateway R75
Who is Vulnerable?	Web Browsers
Vulnerability Description	Known exploits could potentially bypass security products by using JavaScript obfuscation techniques.
Vulnerability Details	Since the exploits are obfuscated they may not be detected by IDS and IPS systems, thus allowing attackers to successfully attack target machines.

Protection Overview

This protection will detect and block attempts to bypass IPS using JavaScript obfuscation techniques.

In order for the protection to be activated, update your product to the latest update. For information on how to update , go to SBP-2006-05, Protection tab and select the version of your choice.

Security Gateway R75 / R71 / R70

In the IPS tab, click Protections and find the JavaScript Malicious Obfuscation Techniques 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: Security Products Enforcement Violation
Attack Information: JavaScript Malicious Obfuscation Techniques