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JavaScript Malicious Obfuscation Techniques - Ver2

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Check Point Reference: CPAI-2014-1513
Date Published:
Severity:
Last Updated:
Source: IPS Research team
Protection Provided by: Security Gateway
  • R77
  • R76
  • 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, Protection tab and select the version of your choice.

To configure the defense, select your product from the list below and follow the related protection steps.

Security Gateway R77 / R76 / R75 / R71 / R70

How Can I Protect My Network?

  1. In the IPS tab, click Protections and find the JavaScript Malicious Obfuscation Techniques - Ver2 protection using the Search tool and Edit the protection's settings.
  2. Install policy on all modules.

How Do I Know if My Network is Under Attack?
SmartView Tracker will log the following entries:

Attack Name:  Web Client Enforcement Violation.
Attack Information:  JavaScript Malicious Obfuscation Techniques - Ver2