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Date: Wed, 12 Aug 2009 15:31:38 +0300
From: "Valery Marchuk" <tecklord@...uritylab.ru>
To: <bugtraq@...urityfocus.com>
Subject: [PT-2008-09] Microsoft Windows MSMQ Privilege Escalation Vulnerability

----------------------------------------------------------------------

         (PT-2008-09) Positive Technologies Security Advisory

         Microsoft Windows MSMQ Privilege Escalation Vulnerability

----------------------------------------------------------------------

---[ Affected Software ]

 Microsoft Windows 2000 Service Pack 4
 Windows XP Service Pack 2
 Windows Server 2003 Service Pack 2
 Windows Vista

        Vendor Link:
               http://www.microsoft.com


---[ Severity Rating ]

        Severity:       High
        Impact:         Privilege Escalation
        Attack Vector:  Local

        CVSS v2:
               Base Score:     7.2
               Vector:         (AV:L/AC:M/Au:S/C:C/I:C/A:C)

        CVE:   CVE-2009-1922



---[ Vulnerability Description ]

Positive Technologies Research Team has discovered a privilege escalation 
vulnerability in Windows Message Queuing service (MSMQ).

The IOCTL handler in mqac.sys does not properly validate buffer data 
associated with the Irp object, which allows local users to crash the system 
or execute arbitrary code with SYSTEM privileges.


--[ Solution ]

Vendor has issued patches and advisory:
http://www.microsoft.com/technet/security/bulletin/ms09-040.mspx



--[ Disclosure Timeline ]

11/19/2008 - Vendor notified
11/21/2008 - Vendor response
08/11/2009 - Vendor released patches
08/12/2009 - Public disclosure


---[ Credits ]

This vulnerability was discovered by Nikita Tarakanov, Positive Technologies 
Research Team.


---[ References ]

http://en.securitylab.ru/lab/PT-2008-09
http://www.ptsecurity.ru/advisory.asp

Complete list of vulnerability reports published by Positive Technologies 
Research Team:

http://en.securitylab.ru/lab/
http://www.ptsecurity.ru/advisory.asp


---[ About Positive Technologies ]

Positive Technologies www.ptsecurity.com is among the key players in the IT 
security market in Russia.
The principal activities of the company include the development of 
integrated tools for information security monitoring (MaxPatrol); providing 
IT security consulting services and technical support; the development of 
the Securitylab en.securitylab.ru leading Russian information security 
portal.
Among the clients of Positive Technologies there are more than 40 state 
enterprises, more than 50 banks and financial organizations, 20 
telecommunication companies, more than 40 plant facilities, as well as IT, 
service and retail companies from Russia, CIS countries, Baltic States, 
China, Ecuador, Germany, Great Britain, Holland, Iran, Israel, Japan, 
Mexico, South African Republic, Thailand, Turkey and USA.
Positive Technologies is a team of highly skilled developers, advisers and 
experts with years of vast hands-on experience. The company specialists 
possess professional titles and certificates; they are the members of 
various international societies and are actively involved in the IT security 
field development. 

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