Check Point Advisories

Microsoft Distributed Transaction Controller Denial of Service (MS05-051; CVE-2005-1979)

Vulnerability
Protection

Check Point Reference:	CPAI-2005-312
Date Published:	7 Feb 2010
Severity:	Critical
Last Updated:	Sunday 12 January, 2014
Source:
Industry Reference:	CVE-2005-1979
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?
Vulnerability Description	The Microsoft Distributed Transaction Coordinator (MSDTC) is a transaction infrastructure for distributed systems. It is implemented on the Windows platform as a service. The MSDTC facilitates the interactions between independent programs in a distributed system. A denial of service vulnerability exists in the Microsoft Distributed Transaction Coordinator (MSDTC) component of Microsoft Windows. The flaw exists in the code that processes Transaction Internet Protocol (TIP) responses from remote servers. Successful exploitation of the vulnerability may allow an attacker to terminate the DTC service. In a successful attack case, the Microsoft Distributed Transaction Coordinator (MSDTC) service terminates. All MSDTC dependent services and applications are affected as well.

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

In the IPS tab, click Protections and find the Microsoft Distributed Transaction Controller Denial of Service (MS05-051) protection using the Search tool and Edit the protection's settings.
Install policy on all Security Gateways.

This protection's log will contain the following information:

Attack Name: Application Servers Protection Violation.
Attack Information: Microsoft Distributed Transaction Controller denial of service (MS05-051)