Check Point Advisories

Mozilla Firefox JavaScript Function focus Buffer Overflow - Ver2 (CVE-2006-1993)

Check Point Reference: CPAI-2014-1042
Date Published: 3 Mar 2014
Severity: Medium
Last Updated: Monday 03 March, 2014
Source: CVE-2006-1993
Industry Reference:CVE-2006-1993
Protection Provided by:

Security Gateway
R77, R76, R75
Who is Vulnerable?
Vulnerability Description The Firefox web browser is an application designed for tasks related to browsing the web, such as displaying HTML encoded pages, downloading files, and so forth. The browser application has a built-in JavaScript interpreter which also allows it to use the Document Object Model (DOM), in particular by providing access to DOM objects through JavaScript. A remotely exploitable code execution vulnerability has been reported in the Mozilla Firefox product. The vulnerability is created as a result of a flaw in the implementation of the JavaScript focus method. In an unsuccessful attack case, where the attack does not result in the flow of the process being diverted to injected code, the affected application will terminate. The behavior of the target system after a successful attack is dependent on the intention of the injected code. In the case of arbitrary code execution, the code is executed within the security context of the current user.

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 R77 / R76 / R75 / R71 / R70

  1. In the IPS tab, click Protections and find the Mozilla Firefox JavaScript Function focus Buffer Overflow - Ver2 protection using the Search tool and Edit the protection's settings.
  2. Install policy on all modules.

SmartView Tracker will log the following entries:

Attack Name:  Web Client Enforcement Violation.
Attack Information:  Mozilla Firefox JavaScript Function focus Buffer Overflow - Ver2

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