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Check Point Advisories

Microsoft Windows EternalBlue SMB Remote Code Execution

Check Point Reference: CPAI-2017-0332
Date Published: 26 Apr 2017
Severity: Critical
Last Updated: 2 Aug 2017
Source:
Protection Provided by:

Security Gateway
R80, R77, R76, R75

Who is Vulnerable? Microsoft Windows 2000, XP, 7, 8, Microsoft Server 2000, 2003, 2008, 2008 R2, 2012.
Vulnerability Description A remote code execution vulnerability exist in Microsoft Server Message Block (SMB). The vulnerability is due to the way SMB service handles certain requests. 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 / R76 / R75

  1. In the IPS tab, click Protections and find the Microsoft Windows EternalBlue SMB Remote Code Execution protection using the Search tool and Edit the protection's settings.
  2. Install policy on all modules.

This protection's log will contain the following information:

Attack Name:  Windows SMB Protection Violation.
Attack Information:  Microsoft Windows EternalBlue SMB Remote Code Execution