Check Point Advisories

Microsoft Windows NTLM Authentication Bypass (CVE-2019-1040)

Check Point Reference: CPAI-2019-1531
Date Published: 23 Jan 2020
Severity: High
Last Updated: Sunday 02 February, 2020
Source:
Industry Reference:CVE-2019-1040
Protection Provided by:

Security Gateway
R81, R80, R77, R75
Who is Vulnerable? Windows
Windows Server
Vulnerability Description An authentication bypass vulnerability exists in the NTLM component of Microsoft Windows. The vulnerability is due to improper validation of the MIC in an AUTHENTICATE message. Successful exploitation of this vulnerability would allow remote attackers to gain access to sensitive information and gain unauthorized access into the affected system.

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

  1. In the IPS tab, click Protections and find the Microsoft Windows NTLM Authentication Bypass (CVE-2019-1040) protection using the Search tool and Edit the protection's settings.
  2. Install policy on all Security Gateways.

This protection's log will contain the following information:

Attack Name:  Content Protection Violation.
Attack Information:  Microsoft Windows NTLM Authentication Bypass (CVE-2019-1040)

×
  Feedback
This website uses cookies for its functionality and for analytics and marketing purposes. By continuing to use this website, you agree to the use of cookies. For more information, please read our Cookies Notice.
OK