Check Point Advisories

Microsoft Windows DHCP Client DhcpExtractFullOptions Code Execution (CVE-2019-0697)

Check Point Reference: CPAI-2019-1565
Date Published: 26 Nov 2019
Severity: Critical
Last Updated: 26 Nov 2019
Source:
Industry Reference:CVE-2019-0697
Protection Provided by:

Security Gateway
R80, R77, R75

Who is Vulnerable? Microsoft Windows 10 version 1803
Microsoft Windows 10 Version 1809
Microsoft Windows Server 2019
Microsoft Windows Server 2019
Microsoft Windows Server version 1803
Vulnerability Description A remote code execution vulnerability exists in Microsoft DHCP Client. A remote attacker could exploit this vulnerability by sending maliciously crafted DHCP responses to a vulnerable Windows system. Successful exploitation of this vulnerability could allow the attacker to execute arbitrary code with administrative privileges.

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 DHCP Client DhcpExtractFullOptions Code Execution (CVE-2019-0697) 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:  DHCP Protection Violation.
Attack Information:  Microsoft Windows DHCP Client DhcpExtractFullOptions Code Execution (CVE-2019-0697)

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