Check Point Advisories

Microsoft Internet Explorer Memory Corruption (CVE-2017-0202)

Check Point Reference: CPAI-2017-0266
Date Published: 11 Apr 2017
Severity: Critical
Last Updated: Tuesday 11 April, 2017
Source: Microsoft CVE-2017-0202
Industry Reference:CVE-2017-0202
Protection Provided by:

Security Gateway
R81, R80, R77, R75
Who is Vulnerable? Internet Explorer 11 on Windows 8.1 for 32-bit systems
Internet Explorer 11 on Windows 8.1 for x64-based systems
Internet Explorer 11 on Windows Server 2012 R2
Internet Explorer 11 on Windows RT 8.1
Internet Explorer 11 on Windows 10 for 32-bit Systems
Internet Explorer 11 on Windows 10 for x64-based Systems
Internet Explorer 11 on Windows 10 Version 1511 for x64-based Systems
Internet Explorer 11 on Windows 10 Version 1511 for 32-bit Systems
Internet Explorer 11 on Windows Server 2016
Internet Explorer 11 on Windows 10 Version 1607 for 32-bit Systems
Internet Explorer 11 on Windows 10 Version 1607 for x64-based Systems
Internet Explorer 11 on Windows 10 Version 1703 for 32-bit Systems
Internet Explorer 11 on Windows 10 Version 1703 for x64-based Systems
Vulnerability Description A remote code execution vulnerability has been reported in Microsoft Internet Explorer. The vulnerability is due to an error in the way that Internet Explorer accesses objects in memory. A remote attacker can exploit this issue by enticing a user to open a specially crafted web-page with an affected version of Internet Explorer.

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 Internet Explorer Memory Corruption (CVE-2017-0202) 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:  Web Client Enforcement Violation.
Attack Information:  Microsoft Internet Explorer Memory Corruption (CVE-2017-0202)

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