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Category:   OS (Microsoft)  >   Windows Kernel Vendors:   Microsoft
Windows Kernel Multiple Flaws Let Local Users Gain Elevated Privileges
SecurityTracker Alert ID:  1036802
SecurityTracker URL:  http://securitytracker.com/id/1036802
CVE Reference:   CVE-2016-3305, CVE-2016-3306, CVE-2016-3371, CVE-2016-3372, CVE-2016-3373   (Links to External Site)
Updated:  Jul 12 2017
Original Entry Date:  Sep 14 2016
Impact:   Denial of service via local system, Disclosure of system information, Disclosure of user information, Modification of system information, User access via local system
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): Vista SP2, 2008 SP2, 7 SP1, 2008 R2 SP1, 8.1, 2012, 2012 R2, RT 8.1, 10, 10 Version 1511, 10 Version 1607, 10 Version 1703; and prior service packs
Description:   Multiple vulnerabilities were reported in Windows Kernel. A local user can obtain elevated privileges on the target system.

A local user can run a specially crafted application to exploit a session object handling flaw and hijack a target user's session [CVE-2016-3305, CVE-2016-3306]. Windows 10 Version 1703 is not affected by CVE-2016-3306.

A local user can run a specially crafted application to exploit a permissions flaw in the Windows Kernel API and gain access to ostensibly restrited information [CVE-2016-3371]. Windows 10 Version 1703 is not affected.

A local user can run a specially crafted application to exploit a permissions flaw in the Windows Kernel API and impersonate processes, interject cross-process communication, or interrupt system functions [CVE-2016-3372]. Windows 10 Version 1703 is not affected.

A local user can run a specially crafted application to exploit a registry information access flaw in the Windows Kernel API and gain access to user account information [CVE-2016-3373]. Windows 10 Version 1703 is not affected.

Marcin Wiazowski reported this vulnerability.

Impact:   A local user can obtain elevated privileges on the target system.
Solution:   The vendor has issued a fix.

Windows Vista Service Pack 2:

https://www.microsoft.com/downloads/details.aspx?familyid=1b07f52e-c7a6-42b1-bce7-723a31bcb9f4

Windows Vista x64 Edition Service Pack 2:

https://www.microsoft.com/downloads/details.aspx?familyid=dfd7ef32-4291-4e16-b560-3b4c02d152aa

Windows Server 2008 for 32-bit Systems Service Pack 2:

https://www.microsoft.com/downloads/details.aspx?familyid=dfd7ef32-4291-4e16-b560-3b4c02d152aa

Windows Server 2008 for x64-based Systems Service Pack 2:

https://www.microsoft.com/downloads/details.aspx?familyid=f5027cba-f91e-4905-ad83-dfb8241503db

Windows Server 2008 for Itanium-based Systems Service Pack 2:

https://www.microsoft.com/downloads/details.aspx?familyid=393ec529-a9a7-48d7-bff7-d6d8bd656e4d

Windows Server 2008 for 32-bit Systems Service Pack 2:

https://www.microsoft.com/downloads/details.aspx?familyid=48bc2872-d081-4337-be1c-e6f9ed7a3cda

Windows Server 2008 for x64-based Systems Service Pack 2:

https://www.microsoft.com/downloads/details.aspx?familyid=f5027cba-f91e-4905-ad83-dfb8241503db

Windows Server 2008 R2 for x64-based Systems Service Pack 1:

https://www.microsoft.com/downloads/details.aspx?familyid=93ceacb9-5573-486d-a28b-c04d2cf173cb

Additional patch information is available in the vendor advisory.

The Microsoft advisory is available at:

https://technet.microsoft.com/library/security/ms16-111

Vendor URL:  technet.microsoft.com/library/security/ms16-111 (Links to External Site)
Cause:   Access control error

Message History:   None.


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