Check Point Advisories

Linux EternalRed Samba Remote Code Execution (CVE-2017-7494)

Check Point Reference: CPAI-2017-0444
Date Published: 25 May 2017
Severity: Critical
Last Updated: 10 Jan 2018
Source:
Industry Reference:CVE-2017-7494
Protection Provided by:

Security Gateway
R80, R77, R76, R75

Who is Vulnerable? Linux Samba all versions since 3.5.0
Vulnerability Description A remote code execution vulnerability exist in Linux Samba. A remote authenticated attacker can change an existing file to include malicious code. Successful exploitation could result in arbitrary code execution on the client 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 Linux EternalRed Samba 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:  Linux EternalRed Samba Remote Code Execution

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