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Category:   OS (Microsoft)  >   Windows DLL (Any) Vendors:   Microsoft
Microsoft Windows SeAssignPrimaryTokenPrivilege Bug Lets Local Users Gain Elevated Privileges
SecurityTracker Alert ID:  1031724
SecurityTracker URL:  http://securitytracker.com/id/1031724
CVE Reference:   CVE-2015-0062   (Links to External Site)
Date:  Feb 10 2015
Impact:   Root access via local system, User access via local system
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 7 SP1, 2008 R2 SP1, 8, 8.1, 2012, 2012 R2, RT, RT 8.1; and prior service packs
Description:   A vulnerability was reported in Microsoft Windows. A local user can obtain elevated privileges on the target system.

The software does not properly validate and enforce impersonation levels. A local user can exploit a flaw in processes that use SeAssignPrimaryTokenPrivilege to bypass impersonation-level security checks and gain elevated privileges.

James Forshaw of Google Project Zero reported this vulnerability.

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

The Microsoft advisory is available at:

https://technet.microsoft.com/library/security/ms15-015

Vendor URL:  technet.microsoft.com/library/security/ms15-015 (Links to External Site)
Cause:   Access control error

Message History:   None.


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