Check Point Advisories

Microsoft Windows Search Information Disclosure (CVE-2017-11772)

Vulnerability
Protection

Check Point Reference:	CPAI-2017-0865
Date Published:	23 Oct 2017
Severity:	Medium
Last Updated:	Monday 13 November, 2017
Source:	Microsoft
Industry Reference:	CVE-2017-11772
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Microsoft Windows 7 Microsoft Windows 8.1 Microsoft Windows 10 Microsoft Windows RT 8.1 Microsoft Windows Server 2008 Microsoft Windows Server 2012 Microsoft Windows Server 2016
Vulnerability Description	An information disclosure exists in the Search component of Microsoft Windows. The vulnerability is due to how Windows Search handles objects in memory. A remote attacker can exploit this vulnerability by sending specially crafted messages to the Windows Search service.

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 Information Disclosure (CVE-2017-11772) 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 Information Disclosure (CVE-2017-11772)