Check Point Advisories

Microsoft Internet Explorer Cross Domain Information Disclosure (MS06-042; CVE-2006-3280)

Vulnerability
Protection

Check Point Reference:	CPAI-2006-257
Date Published:	25 Jan 2010
Severity:	High
Last Updated:	Monday 26 December, 2016
Source:	Microsoft MS06-042
Industry Reference:	CVE-2006-3280
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Microsoft Internet Explorer 5.01 SP4 Microsoft Internet Explorer 6 Microsoft Internet Explorer 6 SP1
Vulnerability Description	Microsoft Internet Explorer (IE) is the most widely used web browser application. The browser is capable of processing HTML, images, scripting languages, and various other popular Internet specifications. Internet Explorer has numerous built-in mechanisms that enforce security policies which are meant to prevent potentially malicious actions from being attempted by rendered resources. There exists an information disclosure vulnerability in the Microsoft Internet Explorer browser. The flaw is caused by Internet Explorer's failure to impose proper cross domain data access restrictions. An attacker can exploit this vulnerability to retrieve information from the memory used by Internet Explorer. A successful attack attempt will result in sensitive information disclosure. The browser will not exhibit any unusual behavior during nor after exploitation. For the most part, the target user will be unaware of an attack having taken place.
Update/Patch Avaliable	Apply patches from: MS06-042

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 Microsoft Internet Explorer Cross Domain Information Disclosure (MS06-042) 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: Microsoft Internet Explorer Cross Domain Information Disclosure (MS06-042)