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Check Point Advisories

Microsoft Office Undocumented Feature Information Disclosure

Check Point Reference: CPAI-2017-0817
Date Published: 1 Oct 2017
Severity: Critical
Last Updated: 3 Oct 2017
Protection Provided by:

Security Gateway
R80, R77, R75

Who is Vulnerable?
Vulnerability Description An information disclosure vulnerability exists in Microsoft Office. The vulnerability is due to an error in Microsoft Office that fails to properly parse the file. 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

  1. In the IPS tab, click Protections and find the Microsoft Office Undocumented Feature Information Disclosure protection using the Search tool and Edit the protection's settings.
  2. Install policy on all Security Gateways.

This protection's log will contain the following information:

Attack Name:  Content Protection Violation.
Attack Information:  Microsoft Office Undocumented Feature Information Disclosure

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