Check Point Advisories

Microsoft Malware Protection Engine Remote Code Execution (CVE-2017-11937)

Vulnerability
Protection

Check Point Reference:	CPAI-2017-1042
Date Published:	10 Dec 2017
Severity:	Critical
Last Updated:	Sunday 10 December, 2017
Source:	Microsoft CVE-2017-11937
Industry Reference:	CVE-2017-11937
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Microsoft Security Essentials Microsoft Forefront Endpoint Protection Windows Intune Endpoint Protection Microsoft Exchange Server 2013 Microsoft Exchange Server 2016 Microsoft Endpoint Protection Microsoft Forefront Endpoint Protection 2010 Windows Defender on Windows 7 for 32-bit Systems Service Pack 1 Windows Defender on Windows 7 for x64-based Systems Service Pack 1 Windows Defender on Windows 8.1 for 32-bit systems Windows Defender on Windows 8.1 for x64-based systems Windows Defender on Windows RT 8.1 Windows Defender on Windows 10 for 32-bit Systems Windows Defender on Windows 10 for x64-based Systems Windows Defender on Windows 10 Version 1511 for x64-based Systems Windows Defender on Windows 10 Version 1511 for 32-bit Systems Windows Defender on Windows Server 2016 Windows Defender on Windows 10 Version 1607 for 32-bit Systems Windows Defender on Windows 10 Version 1607 for x64-based Systems Windows Defender on Windows Server 2016 (Server Core installation) Windows Defender on Windows 10 Version 1703 for 32-bit Systems Windows Defender on Windows 10 Version 1703 for x64-based Systems Windows Defender on Windows 10 version 1709 for 32-bit Systems Windows Defender on Windows 10 version 1709 for x64-based Systems Windows Defender on Windows Server, version 1709 (Server Core Installation)
Vulnerability Description	A memory corruption vulnerability has been reported in Microsoft Malware Protection Engine. A remote attacker can exploit this issue by enticing a target user to open a specially crafted file. A successful exploitation could lead to arbitrary code execution.

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 Malware Protection Engine Remote Code Execution (CVE-2017-11937) 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: Content Protection Violation.
Attack Information: Microsoft Malware Protection Engine Remote Code Execution (CVE-2017-11937)