Check Point Advisories

Microsoft Internet Explorer Memory Corruption (MS11-003; CVE-2011-0035)

Vulnerability
Protection

Check Point Reference:	CPAI-2011-0621
Date Published:	19 Jul 2020
Severity:	Critical
Last Updated:	Sunday 19 July, 2020
Source:
Industry Reference:	CVE-2011-0035
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Internet Explorer 6 for Windows Server 2003 Service Pack 2 Internet Explorer 6 for Windows Server 2003 x64 Edition Service Pack 2 Internet Explorer 6 for Windows Server 2003 with SP2 for Itanium-based Systems Internet Explorer 7 for Windows Server 2003 Service Pack 2 Internet Explorer 7 for Windows Server 2003 x64 Edition Service Pack 2 Internet Explorer 7 for Windows Server 2003 with SP2 for Itanium-based Systems Internet Explorer 7 in Windows Server 2008 for 32-bit Systems and Windows Server 2008 for 32-bit Systems Service Pack 2 Internet Explorer 7 in Windows Server 2008 for x64-based Systems and Windows Server 2008 for x64-based Systems Service Pack 2 Internet Explorer 7 in Windows Server 2008 for Itanium-based Systems and Windows Server 2008 for Itanium-based Systems Service Pack 2 Internet Explorer 8 for Windows Server 2003 Service Pack 2 Internet Explorer 8 for Windows Server 2003 x64 Edition Service Pack 2 Internet Explorer 8 in Windows Server 2008 for 32-bit Systems and Windows Server 2008 for 32-bit Systems Service Pack 2 Internet Explorer 8 in Windows Server 2008 for x64-based Systems and Windows Server 2008 for x64-based Systems Service Pack 2 Internet Explorer 8 in Windows 7 for 32-bit Systems and Windows 7 for 32-bit Systems Service Pack 1 Internet Explorer 8 in Windows 7 for x64-based Systems and Windows 7 for x64-based Systems Service Pack 1 Internet Explorer 8 in Windows Server 2008 R2 for x64-based Systems and Windows Server 2008 R2 for x64-based Systems Service Pack 1 Internet Explorer 8 in Windows Server 2008 R2 for Itanium-based Systems and Windows Server 2008 R2 for Itanium-based Systems Service Pack 1
Vulnerability Description	A memory corruption vulnerability exists in Microsoft Internet Explorer. The vulnerability is due to the way Internet Explorer accesses an object that has not been correctly initialized or has been deleted when parsing specially crafted Web content. 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 will crash the browser, and may allow execution of arbitrary code on the vulnerable system.

Protection Overview

This protection detects 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 Memory Corruption (MS11-003) 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 Memory Corruption (MS11-003)