Check Point Advisories

Microsoft Office Remote Code Execution (CVE-2017-8509)

Vulnerability
Protection

Check Point Reference:	CPAI-2017-0485
Date Published:	13 Jun 2017
Severity:	High
Last Updated:	Tuesday 13 June, 2017
Source:	Microsoft CVE-2017-8509
Industry Reference:	CVE-2017-8509
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Microsoft Word for Mac 2011 Microsoft Word 2013 Service Pack 1 (32-bit editions) Microsoft Word 2013 Service Pack 1 (64-bit editions) Microsoft Word 2013 RT Service Pack 1 Microsoft Office Web Apps Server 2013 Service Pack 1 Microsoft Word 2016 for Mac Microsoft Word 2016 (32-bit edition) Microsoft Word 2016 (64-bit edition) Microsoft SharePoint Enterprise Server 2016 Microsoft SharePoint Enterprise Server 2013 Service Pack 1
Vulnerability Description	A remote code execution vulnerability exists in Microsoft Office software. The vulnerability is due to Office software failing to properly handle objects in memory. An attacker can successfully exploit this vulnerability by enticing a user to open a specially crafted file, enabling arbitrary actions to be performed in the security context of the current user.

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 Office Remote Code Execution (CVE-2017-8509) 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 Office Remote Code Execution (CVE-2017-8509)