Check Point Advisories

Microsoft Windows Kernel NtQueryObject Information Disclosure (CVE-2017-11785)

Vulnerability
Protection

Check Point Reference:	CPAI-2017-0873
Date Published:	18 Oct 2017
Severity:	Medium
Last Updated:	Wednesday 25 October, 2017
Source:	ExploitDB
Industry Reference:	CVE-2017-11785
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Microsoft Windows 8.1 Microsoft Windows 7 Microsoft Windows RT 8.1 Microsoft Windows 10 Microsoft Windows Server 2016 Microsoft Windows Server 2012 Microsoft Windows Server 2008
Vulnerability Description	An information disclosure vulnerability exists within Microsoft Windows. The vulnerability is caused when Microsoft Windows kernel improperly handles objects in memory. Successful exploitation allows the attacker to retrieve information that could lead to a Kernel ASLR bypass.

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 Kernel NtQueryObject Information Disclosure 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 Windows Kernel NtQueryObject Information Disclosure