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Category:   OS (Microsoft)  >   Windows Kernel Vendors:   Microsoft
Windows Kernel Bugs Let Remote Authenticated Users Deny Service and Local Users Obtain Potentially Sensitive Information and Gain Elevated Privileges
SecurityTracker Alert ID:  1038239
SecurityTracker URL:  http://securitytracker.com/id/1038239
CVE Reference:   CVE-2017-0058, CVE-2017-0165, CVE-2017-0167, CVE-2017-0188, CVE-2017-0189, CVE-2017-0191   (Links to External Site)
Date:  Apr 12 2017
Impact:   Denial of service via network, Disclosure of system information, Disclosure of user information, User access via local system
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): Vista SP2, 7 SP1, 2008 SP2, 2008 R2 SP1, 2012, 2012 R2, 8.1, RT 8.1, 10, 10 Version 1511, 10 Version 1607, 10 Version 1703
Description:   Multiple vulnerabilities were reported in Windows Kernel. A remote authenticated user can cause the target system to stop responding. A local user can obtain potentially sensitive information. A local user can obtain elevated privileges on the target system.

A local user can run a specially crafted application to trigger an object memory handling error and execute arbitrary code on the target system with kernel-level privileges [CVE-2017-0189].

A local user can run a specially crafted application to trigger a memory handle sanitization error and execute arbitrary code on the target system with kernel-level privileges [CVE-2017-0165].

A local user can trigger an object memory handling flaw in the kernel to obtain potentially sensitive kernel information [CVE-2017-0167].

A local user can trigger a flaw in the Win32k component to obtain potentially sensitive kernel information [CVE-2017-0058, CVE-2017-0188].

A remote authenticated user can trigger an object memory handling error and cause the target system to stop responding [CVE-2017-0191].

Vishal Chauhan, MSRC Vulnerabilities & Mitigations, James Forshaw of Google Project Zero, pgboy and zhong_sf of Qihoo 360 Vulcan Team, Mateusz Jurczyk of Google Project Zero, Meysam Firouzi @R00tkitSMM, and Celil UNUVER @celilunuver reported these vulnerabilities.

Impact:   A remote authenticated user can cause the target system to stop responding.

A local user can obtain potentially sensitive information on the target system.

A local user can obtain elevated privileges on the target system.

Solution:   The vendor has issued a fix, available at:

https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB4015195
https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB4015217
https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB4015219
https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB4015221
https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB4015549
https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB4015550
https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB4015551
https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB4015583

A restart is required.

Vendor URL:  catalog.update.microsoft.com/v7/site/Search.aspx?q=KB4015550 (Links to External Site)
Cause:   Access control error, State error

Message History:   None.


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