Check Point Advisories

Microsoft WINS Buffer Allocation Integer Overflow (MS09-039; CVE-2009-1924)

Check Point Reference: CPAI-2009-147
Date Published: 11 Aug 2009
Severity: Critical
Last Updated: Tuesday 11 August, 2009
Source:
Industry Reference:CVE-2009-1924
Protection Provided by:

Security Gateway
R81, R80, R77, R75, R71, R70, R65
Who is Vulnerable?
Vulnerability Description Windows Internet Naming Service (WINS) was designed specifically to support NetBIOS over TCP/IP (NetBT), and is required for any environment in which users access resources that have NetBIOS names. A remote code execution vulnerability has been discovered in Microsoft WINS. The vulnerability is due to an error in WINS that fails to properly validate and restrict buffer lengths passed to the heap. An attacker can trigger this issue by sending a specially crafted network packet to an affected WINS server. Successful exploitation of the vulnerability may allow the attacker to execute arbitrary code on the vulnerable system.

Protection Overview

This protection will detect and block malformed WINS network packets.

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 / R65

  1. In the IPS tab, click Protections and find the Microsoft WINS Buffer Allocation Integer Overflow (MS09-039) 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:  Windows SMB Protection Violation.
Attack Information:  Microsoft WINS buffer allocation integer overflow (MS09-039)

×
  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