Check Point Advisories

Microsoft Windows TCP/IP QOS Denial of Service (MS11-064; CVE-2011-1965)

Check Point Reference: CPAI-2012-238
Date Published: 28 May 2012
Severity: High
Last Updated: Friday 19 April, 2024
Source: CVE-2011-1965
Protection Provided by:

Security Gateway
R75
Who is Vulnerable? Microsoft Windows 7
Microsoft Windows Server 2008 R2
Vulnerability Description A denial of service (DoS) vulnerability has been reported in Microsoft Windows TCP/IP stack.
Vulnerability DetailsThe vulnerability is due to improper handling of specially crafted URLs in memory by the TCP/IP stack. The issue occurs when URL-based Quality of Service (QoS) is enabled. A remote attacker could exploit this issue by sending a specially crafted URL request to an affected server. Successful exploitation could allow an attacker to cause a denial of service condition in the target system. As a result, the system may become unresponsive and automatically reboot.

Protection Overview

This protection will detect and block attempts to send specially crafted URLs over HTTP.

In order for the protection to be activated, update your product to the latest update. For information on how to update , go to SBP-2006-05, Protection tab and select the version of your choice.

Security Gateway R75 / R71 / R70

  1. In the IPS tab, click Protections and find the Microsoft Windows TCP/IP QOS Denial of Service (MS11-064) protection using the Search tool and Edit the protection's settings.
  2. Install policy on all modules.

SmartView Tracker will log the following entries:
Attack Name: Web Server Enforcement Violation
Attack Information: Microsoft Windows TCP/IP QOS Denial of Service (MS11-064)

×
  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