Check Point Advisories

Microsoft Windows TCP Denial of Service (MS14-031; CVE-2014-1811)

Check Point Reference: CPAI-2014-1691
Date Published: 29 Jul 2014
Severity: High
Last Updated: 7 Apr 2019
Source: Microsoft MS14-031
Industry Reference:CVE-2014-1811
Protection Provided by:

Security Gateway
R80, R77, R75, R71, R70

Who is Vulnerable? Microsoft Windows 7
Microsoft Windows 8
Microsoft Windows 8.1
Microsoft Windows RT
Microsoft Windows RT 8.1
Microsoft Windows Vista
Microsoft Windows Server 2008
Microsoft Windows Server 2008 R2
Microsoft Windows Server 2012
Microsoft Windows Server 2012 R2
Vulnerability Description A denial-of-service vulnerability exists in Microsoft Windows and Windows Server. The vulnerability is due to TCP/IP stack failing to properly handle crafted packets. A remote unauthenticated attacker can exploit this vulnerability by sending crafted packets to the target system.
Update/Patch AvaliableApply patches from: MS14-031

Protection Overview

This protection will detect and block 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 / R71 / R70

  1. In the IPS tab, click Protections and find the Microsoft Windows TCP Denial of Service (MS14-031) 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:  TCP Enforcement Violation.
Attack Information:  Microsoft Windows TCP Denial of Service (MS14-031)

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