Check Point Advisories

JavaScript Malicious Obfuscation Techniques - ver 2

Check Point Reference: CPAI-2014-1513
Date Published: 4 May 2014
Severity: Critical
Last Updated: 5 May 2019
Protection Provided by:

Security Gateway
R80, R77, R75

Who is Vulnerable? Web browsers
Vulnerability Description Known exploits could potentially bypass security products by using JavaScript obfuscation techniques. 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 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

  1. In the IPS tab, click Protections and find the JavaScript Malicious Obfuscation Techniques - ver 2 protection using the Search tool and Edit the protection's settings.
  2. Install policy on all Security Gateways.

This protection's log will contain the following information:

Attack Name:  Security Products Enforcement Violation.
Attack Information:  JavaScript Malicious Obfuscation Techniques - ver 2

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