Check Point Advisories

Mozilla Firefox IFRAME Cross Site Scripting (CVE-2005-1476)

Check Point Reference: CPAI-2005-242
Date Published: 5 Oct 2009
Severity: High
Last Updated: Thursday 22 May, 2014
Source:
Industry Reference:CVE-2005-1476
Protection Provided by:

Security Gateway
R81, R80, R77, R75
Who is Vulnerable?
Vulnerability Description Mozilla browsers use the W3C Document Object Model (DOM) to provide a structural representation of an HTML document and define the way this structure is to be accessed from scripts. One of the core objects exposed by DOM is the window object, which is used to represent a browser window. An HTML page author can use scripts to access the window object's properties, methods and event handlers. There exists a Cross Site Scripting vulnerability in Mozilla web browser and its derivatives. The flaw is caused by the execution of JavaScript code included in an "IFRAME" tag without sufficient checking of the site location context. A remote attacker may exploit this issue to execute arbitrary JavaScript code in the target's browser session in the context of an arbitrary site. A successful attack leveraging this vulnerability may result in a several outcomes. An attack may be crafted to bypass host name white-list restrictions for software installation, pop-up blocker, and image loading. Such an attack will result in an untrusted site being able to install software, pop up windows, or load images on the vulnerable browser.

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 IFRAME Cross Site Scripting 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 IFRAME cross site scripting

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