Microsoft Windows 2000 Service Pack 4
Windows XP Service Pack 2
Windows Server 2003 Service Pack 2
Impact: Privilege Escalation
Attack Vector: Local
Base Score: 7.2
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.
Vendor has issued patches and advisory:
11/19/2008 - Vendor notified
11/21/2008 - Vendor response
08/11/2009 - Vendor released patches
08/12/2009 - Public disclosure
This vulnerability was discovered by Nikita Tarakanov, Positive Technologies Research Team.
Complete list of vulnerability reports published by Positive Technologies Research Team: