[PT-2008-09] Microsoft Windows MSMQ Privilege Escalation Vulnerability Aug 12 2009 12:31PM
Valery Marchuk (tecklord securitylab ru)

(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:

---[ 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:

--[ 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 ]


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


---[ 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
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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