Check Point Advisories

Microsoft Windows Search Type Confusion (CVE-2017-8620)

Vulnerability
Protection

Check Point Reference:	CPAI-2017-0702
Date Published:	20 Aug 2017
Severity:	Critical
Last Updated:	Thursday 14 September, 2017
Source:	Microsoft
Industry Reference:	CVE-2017-8620
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Microsoft Windows 10 for 32-bit Systems Microsoft Windows 10 for x64-based Systems Microsoft Windows 2012 R2 Microsoft Windows 8.1 for 32-bit Systems Microsoft Windows 8.1 for x64-based Systems Microsoft Windows RT 8.1 Microsoft Windows Windows 7 for 32-bit Systems Service Pack 1 Microsoft Windows Windows 7 for x64-based Systems Service Pack 1 Microsoft Windows Server 2008 for 32-bit Systems SP 2 (Server Core) Microsoft Windows Server 2008 for 32-bit Systems SP2 Microsoft Windows Server 2008 for Itanium-based Systems Service Pack 2 Microsoft Windows Server 2008 for x64-based systems Microsoft Windows Server 2008 R2 for Itanium-based Systems Service Pack 1 Microsoft Windows Server 2012 R2 Microsoft Windows Server 2012 R2 (Server Core) Microsoft Windows Server 2016 Microsoft Windows Server 2016 Server Core
Vulnerability Description	A remote code execution vulnerability exists in the Windows Search service of Microsoft Windows. The vulnerability is due to improper handling of objects in memory. A remote, unauthenticated attacker can exploit this vulnerability by sending a crafted request to the target 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 Windows Search Type Confusion 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: Windows SMB Protection Violation.
Attack Information: Microsoft Windows Search Type Confusion