Check Point Advisories

Internet Explorer Post Encoding Information Disclosure (MS10-018; CVE-2010-0488)

Vulnerability
Protection

Check Point Reference:	CPAI-2010-051
Date Published:	1 Apr 2010
Severity:	High
Last Updated:	Thursday 01 April, 2010
Source:
Industry Reference:	CVE-2010-0488
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 the way that Internet Explorer handles content using specific encoding strings when submitting data. The vulnerability is due to the way Internet Explorer handles content using specific encoding strings when submitting data. 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 Post Encoding 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 post encoding information disclosure (MS10-018)