August 11, 2009
The Microsoft Message Queuing service is prone to a local privilege-escalation vulnerability because it fails to adequately handle user-supplied input. An attacker can exploit this issue to execute arbitrary code with SYSTEM-level privileges. Successfully exploiting this issue will result in the complete compromise of affected computers. Failed exploits will cause a denial of service.
- Microsoft Windows 2000 Advanced Server SP4
- Microsoft Windows 2000 Datacenter Server SP4
- Microsoft Windows 2000 Professional SP4
- Microsoft Windows 2000 Server SP4
- Microsoft Windows Server 2003 Datacenter x64 Edition SP2
- Microsoft Windows Server 2003 Enterprise x64 Edition SP2
- Microsoft Windows Server 2003 Itanium SP2
- Microsoft Windows Server 2003 SP2
- Microsoft Windows Server 2003 x64 SP2
- Microsoft Windows Vista
- Microsoft Windows Vista Business 64-bit edition
- Microsoft Windows Vista Business
- Microsoft Windows Vista Enterprise 64-bit edition
- Microsoft Windows Vista Enterprise
- Microsoft Windows Vista Home Basic 64-bit edition
- Microsoft Windows Vista Home Basic
- Microsoft Windows Vista Home Premium 64-bit edition
- Microsoft Windows Vista Home Premium
- Microsoft Windows Vista Ultimate 64-bit edition
- Microsoft Windows Vista Ultimate
- Microsoft Windows Vista x64 Edition
- Microsoft Windows XP Home SP2
- Microsoft Windows XP Media Center Edition SP2
- Microsoft Windows XP Professional SP2
- Microsoft Windows XP Professional x64 Edition SP2
- Microsoft Windows XP Tablet PC Edition SP2
Permit local access for trusted individuals only. Where possible, use restricted environments and restricted shells.
To exploit this vulnerability, an attacker requires local access to an affected computer. Grant local access for trusted and accountable users only.
Implement multiple redundant layers of security.
Various memory-protection schemes (such as nonexecutable and randomly mapped memory segments) may hinder an attacker's ability to exploit this vulnerability to execute arbitrary code.
Microsoft released an update and an advisory. Please see the references for more information.
Nikita Tarakanov of Positive Technologies Research Team
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