Check Point Advisories

Microsoft Office Integer Underflow (MS15-081: CVE-2015-2470)

Vulnerability
Protection

Check Point Reference:	CPAI-2015-0910
Date Published:	11 Aug 2015
Severity:	High
Last Updated:	Tuesday 11 August, 2015
Source:	Microsoft MS15-081
Industry Reference:	CVE-2015-2470
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Microsoft Office 2007 Microsoft Office 2010 Microsoft Office 2013 Microsoft Office 2013 RT Microsoft Office for Mac Microsoft Word Viewer Microsoft SharePoint Server 2010 Microsoft SharePoint Server 2013 Microsoft Office Web Apps 2010 Microsoft Office Web Apps 2013
Vulnerability Description	A remote code execution vulnerability exists in Microsoft Office. The vulnerability is caused when the Office software improperly handles objects in memory while parsing specially crafted Office files. A remote attacker can exploit this issue by enticing a user to open a specially crafted office file.
Update/Patch Avaliable	Apply patches from: MS15-081

Protection Overview

This protection will detect and block 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 Integer Underflow (MS15-081: CVE-2015-2470) 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 Integer Underflow (MS15-081: CVE-2015-2470)