Check Point Advisories

Microsoft Office Memory Corruption Remote Code Execution (CVE-2017-11882)

Vulnerability
Protection

Check Point Reference:	CPAI-2017-1009
Date Published:	21 Nov 2017
Severity:	Critical
Last Updated:	Monday 29 October, 2018
Source:	Microsoft CVE-2017-11882
Industry Reference:	CVE-2017-11882
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Microsoft Office 2007 Service Pack 3 Microsoft Office 2010 Service Pack 2 (32-bit editions) Microsoft Office 2010 Service Pack 2 (64-bit editions) Microsoft Office 2013 Service Pack 1 (32-bit editions) Microsoft Office 2013 Service Pack 1 (64-bit editions) Microsoft Office 2013 RT Service Pack 1 Microsoft Office 2016 (32-bit edition) Microsoft Office 2016 (64-bit edition)
Vulnerability Description	A remote code execution vulnerability exists in Microsoft Office Equation Editor. The vulnerability is due to an error in the way Microsoft Office improperly handles objects in memory while parsing specially crafted files. A remote attacker can exploit this issue by enticing a victim to open a specially crafted file.

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 Memory Corruption Remote Code Execution (CVE-2017-11882) 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 Memory Corruption Remote Code Execution (CVE-2017-11882)