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             AUSCERT External Security Bulletin Redistribution

                          ESB-2008.0359 -- [Win]
MS08-025 Vulnerability in Windows Kernel Could Allow Elevation of Privilege
                               9 April 2008

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        AusCERT Security Bulletin Summary
        ---------------------------------

Product:              Windows Kernel
Publisher:            Microsoft
Operating System:     Windows Server 2008
                      Windows Server 2008 x64
                      Windows Server 2008 Itanium
                      Windows Vista SP1
                      Windows Vista 
                      Windows Vista x64 SP1
                      Windows Vista x64
                      Windows Server 2003 SP2
                      Windows Server 2003 SP1
                      Windows Server 2003 x64 SP2
                      Windows Server 2003 x64
                      Windows Server 2003 Itanium SP2
                      Windows Server 2003 Itanium SP1
                      Windows XP SP2
                      Windows XP Professional x64 SP2
                      Windows XP Professional x64 
                      Windows 2000 SP4
Impact:               Administrator Compromise
Access:               Existing Account
CVE Names:            CVE-2008-1084

Original Bulletin:
  http://www.microsoft.com/technet/security/bulletin/ms08-025.mspx

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MS08-025 Vulnerability in Windows Kernel Could Allow Elevation of Privilege

This security update resolves a privately reported vulnerability in the
Windows kernel. A local attacker who successfully exploited this
vulnerability could take complete control of an affected system. An
attacker could then install programs; view, change, or delete data; or
create new accounts.

This is an important security update for all supported editions of
Windows 2000, Windows XP, Windows Server 2003, Windows Vista and Windows
Server 2008.

This security update addresses the vulnerability by modifying the way that
the Windows kernel validates inputs passed from user mode.

Microsoft recommends that customers apply the update at the earliest
opportunity.

Affected Software
   o Windows Server 2008 for 32-bit Systems
   o Windows Server 2008 for x64-based Systems
   o Windows Server 2008 for Itanium-based Systems
   o Windows Vista Service Pack 1
   o Windows Vista
   o Windows Vista x64 Edition Service Pack 1
   o Windows Vista x64 Edition
   o Windows Server 2003 Service Pack 2
   o Windows Server 2003 Service Pack 1
   o Windows Server 2003 x64 Edition Service Pack 2
   o Windows Server 2003 x64 Edition
   o Windows Server 2003 with SP2 for Itanium based Systems
   o Windows Server 2003 with SP1 for Itanium-based Systems
   o Windows XP Service Pack 2
   o Windows XP Professional x64 Edition Service Pack 2
   o Windows XP Professional x64 Edition
   o Microsoft Windows 2000 Service Pack 4

Vulnerability Information

Windows Kernel Vulnerability - CVE-2008-1084

An elevation of privilege vulnerability exists due to the Windows
kernel improperly validating input passed from user mode to the kernel.
The vulnerability could allow an attacker to run code with elevated
privileges. An attacker who successfully exploited this vulnerability
could execute arbitrary code and take complete control of an affected
system. An attacker could then install programs; view, change, or delete
data; or create new accounts with full user rights.

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This security bulletin is provided as a service to AusCERT's members.  As
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        http://www.auscert.org.au/render.html?cid=1980

If you believe that your computer system has been compromised or attacked in 
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Incident Reporting Form at:

        http://www.auscert.org.au/render.html?it=3192

===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072

Internet Email: auscert@auscert.org.au
Facsimile:      (07) 3365 7031
Telephone:      (07) 3365 4417 (International: +61 7 3365 4417)
                AusCERT personnel answer during Queensland business hours
                which are GMT+10:00 (AEST).
                On call after hours for member emergencies only.
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