Check Point Advisories

Multiple Web Browsers Window Injection (CVE-2004-1155)

Vulnerability
Protection

Check Point Reference:	CPAI-2004-205
Date Published:	2 Jun 2010
Severity:	Medium
Last Updated:	Wednesday 02 June, 2010
Source:
Industry Reference:	CVE-2004-1155
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?
Vulnerability Description	Most modern web browsers support the Dynamic Hypertext Markup Language (DHTML) application programming interface (API). The DHTML API may be utilized to manipulate HTML objects, events, properties and methods exposed by the DHTML object model. The window object offers several methods to manipulate the browser window. A vulnerability exists in the way multiple browsers reference a popup window. A malicious web site can replace content of another site's popup window if the target name of the window is known. This can be used to spoof the content of a popup window opened from a trusted web site. The client will not experience any abnormal behavior during the attack. The generated popup window looks as if it was created by a trusted site. If the attacker carefully crafts the content of the popup window to match the content of the trusted site, the user may be tricked into disclosing sensitive information.

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

In the IPS tab, click Protections and find the Multiple Web Browsers Window Injection 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: Multiple web browsers window injection