Check Point Advisories

Internet Explorer Element Cross-Domain Information Disclosure (MS10-018; CVE-2010-0494)

Vulnerability
Protection

Check Point Reference:	CPAI-2010-056
Date Published:	1 Apr 2010
Severity:	Critical
Last Updated:	Thursday 01 April, 2010
Source:
Industry Reference:	CVE-2010-0494
Protection Provided by:	Security Gateway R81, R80, R77, R75, R71, R70, R65
Who is Vulnerable?
Vulnerability Description	Microsoft Internet Explorer is the most widely used Internet browser. An information disclosure vulnerability has been reported in Internet Explorer. The vulnerability is due to the way Internet Explorer incorrectly interprets the origin of script, allowing the script to run in the context of a domain or Internet Explorer security zone other than where it originated. To trigger this issue, an attacker may create a malicious web page that will cause Internet Explorer to exit unexpectedly. Successful exploitation of this vulnerability may allow the attacker to view sensitive data stored in memory on the system.

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 / R71 / R70 / R65

In the IPS tab, click Protections and find the Internet Explorer Element Cross-Domain Information Disclosure (MS10-018) 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: Internet Explorer element cross-domain information disclosure (MS10-018)