Check Point Advisories

Binary Java Script Malicious Obfuscation Techniques

Vulnerability
Protection

Check Point Reference:	CPAI-2019-0046
Date Published:	15 Jan 2019
Severity:	Critical
Last Updated:	Wednesday 24 May, 2023
Source:
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?
Vulnerability Description	Many scams have emerged looking to infect users with malware by giving users false information claiming that their computers are infected. After such claims an alert appears requesting the client to approve the running of a javascript file. A successful attack can lead to downloading malware to the client's computer.

Protection Overview

This protection detects 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, click on Protection tab and select the version of your choice.

Security Gateway R81 / R80 / R77 / R75

In the IPS tab, click Protections and find the Binary Java Script Malicious Obfuscation Techniques protection using the Search tool and Edit the protection's settings.
Install policy on all Security Gateways.

This protection's log will contain the following information:

Attack Name: Web Client Enforcement Violation.
Attack Information: Binary Java Script Malicious Obfuscation Techniques