Check Point Advisories

Internet Explorer CStyleSheet Uninitialized Memory Corruption (MS10-035; CVE-2010-1259; CVE-2010-1262)

Vulnerability
Protection

Check Point Reference:	CPAI-2010-087
Date Published:	8 Jun 2010
Severity:	Critical
Last Updated:	Wednesday 06 May, 2015
Source:
Industry Reference:	CVE-2010-1259 CVE-2010-1262
Protection Provided by:	Security Gateway R81, R80, R77, R75, R71, R70, R65
Who is Vulnerable?
Vulnerability Description	Multiple memory corruption vulnerabilities have been reported in Microsoft Internet Explorer. The vulnerabilities are due to the way Internet Explorer accesses an object that has not been correctly initialized or has been deleted. To trigger this issue, an attacker may create a malicious web page that will cause Internet Explorer to exit unexpectedly. Successful exploitation of these vulnerabilities will crash the browser, and may allow execution of arbitrary code on the vulnerable system.

Protection Overview

This protection will detect and block attempts to exploit these vulnerabilities.

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 CStyleSheet Uninitialized Memory Corruption (MS10-035) 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 CStyleSheet uninitialized memory corruption (MS10-035)