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Check Point Advisories

Microsoft Internet Explorer Memory Corruption (CVE-2017-11822)

Check Point Reference: CPAI-2017-0795
Date Published: 10 Oct 2017
Severity: Critical
Last Updated: 10 Oct 2017
Source: Microsoft CVE-2017-11822
Industry Reference:CVE-2017-11822
Protection Provided by:

Security Gateway
R80, R77, R76, R75

Who is Vulnerable? Internet Explorer 9 on Windows Server 2008 for 32-bit Systems Service Pack 2
Internet Explorer 9 on Windows Server 2008 for x64-based Systems Service Pack 2
Internet Explorer 11 on Windows 7 for 32-bit Systems Service Pack 1
Internet Explorer 11 on Windows 7 for x64-based Systems Service Pack 1
Internet Explorer 11 on Windows Server 2008 R2 for x64-based Systems Service Pack 1
Internet Explorer 11 on Windows 8.1 for 32-bit systems
Internet Explorer 11 on Windows 8.1 for x64-based systems
Internet Explorer 11 on Windows Server 2012 R2
Internet Explorer 11 on Windows RT 8.1
Internet Explorer 11 on Windows 10 for 32-bit Systems
Internet Explorer 11 on Windows 10 for x64-based Systems
Internet Explorer 11 on Windows 10 Version 1511 for x64-based Systems
Internet Explorer 11 on Windows 10 Version 1511 for 32-bit Systems
Internet Explorer 11 on Windows Server 2016
Internet Explorer 11 on Windows 10 Version 1607 for 32-bit Systems
Internet Explorer 11 on Windows 10 Version 1607 for x64-based Systems
Internet Explorer 11 on Windows 10 Version 1703 for 32-bit Systems
Internet Explorer 11 on Windows 10 Version 1703 for x64-based Systems
Internet Explorer 10 on Windows Server 2012
Vulnerability Description A memory corruption vulnerability exists in Internet Explorer. The vulnerability is due to an error when handling objects in memory. A remote attacker can exploit this vulnerability and execute arbitrary code in the context of the current user.

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 / R76 / R75

  1. In the IPS tab, click Protections and find the Microsoft Internet Explorer Memory Corruption (CVE-2017-11822) protection using the Search tool and Edit the protection's settings.
  2. Install policy on all modules.

This protection's log will contain the following information:

Attack Name:  Web Client Enforcement Violation.
Attack Information:  Microsoft Internet Explorer Memory Corruption (CVE-2017-11822)