Check Point Advisories

Microsoft Windows SMB Information Disclosure (MS17-010: CVE-2017-0147)

Vulnerability
Protection

Check Point Reference:	CPAI-2017-0205
Date Published:	14 Mar 2017
Severity:	Medium
Last Updated:	Thursday 15 June, 2017
Source:	Microsoft MS17-010
Industry Reference:	CVE-2017-0147
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Windows Vista Windows Server 2008 Windows 7 Windows Server 2008 R2 Windows 8.1 Windows Server 2012 Windows Server 2012 R2 Windows RT 8.1 Windows 10 Windows Server 2016
Vulnerability Description	An information disclosure vulnerability exists in the SMBv1 component of Microsoft Windows SMB server. The vulnerability is due to improper handling of SMBv1 requests. A remote, unauthenticated attacker could exploit this vulnerability by sending crafted SMBv1 messages to a target server. Successful exploitation could result in the disclosure of sensitive information from the target server.
Update/Patch Avaliable	Apply patches from: MS17-010

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 SMB Information Disclosure (MS17-010: CVE-2017-0147) 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: Windows SMB Protection Violation.
Attack Information: Microsoft Windows SMB Information Disclosure (MS17-010: CVE-2017-0147)