Check Point Advisories

Microsoft Malware Protection Engine VFS API Remote Code Execution (CVE-2017-8558)

Check Point Reference: CPAI-2017-0527
Date Published: 26 Jun 2017
Severity: Critical
Last Updated: 29 Aug 2017
Source:
Industry Reference:CVE-2017-8558
Protection Provided by:

Security Gateway
R80, R77, R75

Who is Vulnerable? Malware Protection Engine up to module version 1.1.13804.0
Vulnerability Description A memory corruption vulnerability has been reported in Microsoft Malware Protection Engine. A remote attacker can exploit this issue by enticing a target user to open a specially crafted file. A successful exploitation could lead to arbitrary code execution.

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 Malware Protection Engine VFS API Remote Code Execution (CVE-2017-8558) 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 Malware Protection Engine VFS API Remote Code Execution (CVE-2017-8558)

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