Check Point Advisories

Microsoft Windows EsteemAudit RDP Remote Code Execution (CVE-2017-0176; CVE-2017-9073)

Vulnerability
Protection

Check Point Reference:	CPAI-2017-0424
Date Published:	18 May 2017
Severity:	Critical
Last Updated:	Sunday 11 February, 2018
Source:
Industry Reference:	CVE-2017-0176 CVE-2017-9073
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Microsoft Windows Server 2003, XP
Vulnerability Description	A remote code execution vulnerability exist in Microsoft Remote Desktop Protocol (RDP). The vulnerability is due to the Windows Smart Card logon mechanism allowing a buffer overflow. The Fuzzbunch tool allows attackers to execute this exploit. An attacker who successfully exploits this vulnerability can execute arbitrary code on the target machine.

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

In the IPS tab, click Protections and find the Microsoft Windows EsteemAudit RDP Remote Code Execution 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: RDP Enforcement Violation.
Attack Information: Microsoft Windows EsteemAudit RDP Remote Code Execution