Check Point Advisories

Microsoft LNK Remote Code Execution (CVE-2017-8464; CVE-2018-0978)

Vulnerability
Protection

Check Point Reference:	CPAI-2017-0477
Date Published:	13 Jun 2017
Severity:	High
Last Updated:	Monday 14 November, 2022
Source:	Microsoft CVE-2017-8464
Industry Reference:	CVE-2017-8464 CVE-2018-0978
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Windows 7 for 32-bit Systems Service Pack 1 Windows 7 for 32-bit Systems Service Pack 1 Windows 7 for 32-bit Systems Service Pack 1 Windows 7 for x64-based Systems Service Pack 1 Windows 7 for x64-based Systems Service Pack 1 Windows 7 for x64-based Systems Service Pack 1 Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) Windows Server 2008 R2 for Itanium-Based Systems Service Pack 1 Windows Server 2008 R2 for Itanium-Based Systems Service Pack 1 Windows Server 2008 R2 for Itanium-Based Systems Service Pack 1 Windows Server 2008 R2 for x64-based Systems Service Pack 1 Windows Server 2008 R2 for x64-based Systems Service Pack 1 Windows Server 2008 R2 for x64-based Systems Service Pack 1 Windows Server 2012 Windows Server 2012 Windows Server 2012 Windows Server 2012 (Server Core installation) Windows Server 2012 (Server Core installation) Windows Server 2012 (Server Core installation) Windows 8.1 for 32-bit systems Windows 8.1 for 32-bit systems Windows 8.1 for 32-bit systems Windows 8.1 for x64-based systems Windows 8.1 for x64-based systems Windows 8.1 for x64-based systems Windows Server 2012 R2 Windows Server 2012 R2 Windows Server 2012 R2 Windows RT 8.1 Windows RT 8.1 Windows Server 2012 R2 (Server Core installation) Windows Server 2012 R2 (Server Core installation) Windows Server 2012 R2 (Server Core installation) Windows 10 for 32-bit Systems Windows 10 for 32-bit Systems Windows 10 for x64-based Systems Windows 10 for x64-based Systems Windows 10 Version 1511 for x64-based Systems Windows 10 Version 1511 for x64-based Systems Windows 10 Version 1511 for 32-bit Systems Windows 10 Version 1511 for 32-bit Systems Windows Server 2016 Windows Server 2016 Windows 10 Version 1607 for 32-bit Systems Windows 10 Version 1607 for 32-bit Systems Windows 10 Version 1607 for x64-based Systems Windows 10 Version 1607 for x64-based Systems Windows Server 2016 (Server Core installation) Windows Server 2016 (Server Core installation) Windows 10 Version 1703 for 32-bit Systems Windows 10 Version 1703 for 32-bit Systems Windows 10 Version 1703 for x64-based Systems Windows 10 Version 1703 for x64-based Systems Windows Server 2008 for Itanium-Based Systems Service Pack 2 Windows Server 2008 for Itanium-Based Systems Service Pack 2 Windows Server 2008 for 32-bit Systems Service Pack 2 Windows Server 2008 for 32-bit Systems Service Pack 2 Windows Server 2008 for x64-based Systems Service Pack 2 Windows Server 2008 for x64-based Systems Service Pack 2
Vulnerability Description	A vulnerability has been found in the way Windows Explorer handles LNK files. An attacker exploiting this vulnerability could achieve Remote 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 R81 / R80 / R77 / R75

In the IPS tab, click Protections and find the Microsoft LNK Remote Code Execution (CVE-2017-8464) 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: Web Client Enforcement Violation.
Attack Information: Microsoft LNK Remote Code Execution (CVE-2017-8464)