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Check Point Advisories

Microsoft Edge Scripting Engine Memory Corruption (CVE-2018-0777)

Check Point Reference: CPAI-2017-1092
Date Published: 4 Jan 2018
Severity: Critical
Last Updated: 4 Jan 2018
Source: Microsoft CVE-2018-0777
Industry Reference:CVE-2018-0777
Protection Provided by:

Security Gateway
R80, R77, R75

Who is Vulnerable? Microsoft Edge on Windows 10 for 32-bit Systems
Microsoft Edge on Windows 10 for x64-based Systems
Microsoft Edge on Windows 10 Version 1511 for x64-based Systems
Microsoft Edge on Windows 10 Version 1511 for 32-bit Systems
Microsoft Edge on Windows Server 2016
Microsoft Edge on Windows 10 Version 1607 for 32-bit Systems
Microsoft Edge on Windows 10 Version 1607 for x64-based Systems
Microsoft Edge on Windows 10 Version 1703 for 32-bit Systems
Microsoft Edge on Windows 10 Version 1703 for x64-based Systems
Microsoft Edge on Windows 10 Version 1709 for 32-bit Systems
Microsoft Edge on Windows 10 Version 1709 for x64-based Systems
ChakraCore
Vulnerability Description A remote code execution vulnerability has been reported in Microsoft Edge. The vulnerability is due to an Out-of-Bounds write in the JavaScript engine. A remote attacker can exploit this issue by enticing a victim to open a specially crafted web page that could cause memory corruption in a way that would allow attackers to execute code on the target system.

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 Edge Scripting Engine Memory Corruption (CVE-2018-0777) 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 Edge Scripting Engine Memory Corruption (CVE-2018-0777)

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