Check Point Advisories

Microsoft Windows Graphics Device Interface EMR_HEADER Information Disclosure (CVE-2018-8595)

Vulnerability
Protection

Check Point Reference:	CPAI-2019-0156
Date Published:	11 Feb 2019
Severity:	Medium
Last Updated:	Wednesday 27 February, 2019
Source:
Industry Reference:	CVE-2018-8595
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 2008 R2 Microsoft Windows Server 2012 Microsoft Windows Server 2012 R2 Microsoft Windows Server 2016 Microsoft Windows Server 2019 Microsoft Windows Server version 1709 Microsoft Windows Server version 1803
Vulnerability Description	An information disclosure vulnerability exists in the Graphics Device Interface (GDI) component of Microsoft Windows. The vulnerability is due to improperly disclosing memory content. Successful exploitation could result in disclosure of information which could be used to further compromise 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 Graphics Device Interface EMR_HEADER 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 Graphics Device Interface EMR_HEADER Information Disclosure