Check Point Advisories

Mozilla Firefox Chrome Page Loading Restriction Bypass (CVE-2005-2706)

Check Point Reference: CPAI-2005-303
Date Published: 5 Nov 2009
Severity: High
Last Updated: Tuesday 16 August, 2011
Source:
Industry Reference:CVE-2005-2706
Protection Provided by:

Security Gateway
R81, R80, R77, R75
Who is Vulnerable?
Vulnerability Description The Firefox and Mozilla web browsers are applications designed for tasks related to browsing the web, such as displaying HTML encoded pages, downloading files, and so on. The web browser implements security restrictions on the execution of scripts and access to certain resources based on the origin of the HTML resource being rendered. A vulnerability exists in the Mozilla and Firefox web browser's privileges enforcement mechanism. The browser may be tricked into loading high privileged chrome pages from an unprivileged page. Combined with other vulnerabilities, this vulnerability may be exploited by a remote attacker to inject arbitrary code into a vulnerable target browser. A successful attack may result in high privileged chrome pages being loaded by remote resources. Combined with exploiting other vulnerabilities, arbitrary javascript code may be executed on the target host with the privileges of the currently logged in user. In such cases the behaviour of the target host is dependant on the intention of the injected script.

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, 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 Mozilla Firefox Chrome Page Loading Restriction Bypass 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:  Web Client Enforcement Violation.
Attack Information:  Mozilla Firefox chrome page loading restriction bypass

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