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Category:   OS (Microsoft)  >   Windows Kernel Vendors:   Microsoft
Windows Kernel Bugs Let Local Users Obtain Potentially Sensitive Information, Bypass Security, and Gain Elevated Privileges
SecurityTracker Alert ID:  1039526
SecurityTracker URL:  http://securitytracker.com/id/1039526
CVE Reference:   CVE-2017-11765, CVE-2017-11783, CVE-2017-11784, CVE-2017-11785, CVE-2017-11814, CVE-2017-11817, CVE-2017-11818, CVE-2017-11823, CVE-2017-11829, CVE-2017-8689, CVE-2017-8694, CVE-2017-8715   (Links to External Site)
Updated:  Oct 10 2017
Original Entry Date:  Oct 10 2017
Impact:   Disclosure of system information, Disclosure of user information, User access via local system
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 7 SP1, 2008 R2 SP1, 2008 SP2, 8.1, 2012, 2012 R2, RT 8.1, 10, 10 Version 1511, 2016, 10 Version 1607, 10 Version 1703
Description:   Multiple vulnerabilities were reported in Windows Kernel. A local user can obtain potentially sensitive information. A local user can obtain elevated privileges on the target system. A local user can bypass security restrictions.

A local user can run a specially crafted application to trigger an object memory handling error in the Windows kernel-mode driver and execute arbitrary code on the target system with elevated privileges [CVE-2017-8689, CVE-2017-8694].

A local user can bypass Device Guard security controls to inject code into a trusted PowerShell process and bypass the Device Guard Code Integrity policy on the target system [CVE-2017-8715, CVE-2017-11823].

A local user can run a specially crafted application to trigger an object memory handling error to obtain potentially sensitive information on the target system [CVE-2017-11765].

A local user can run a specially crafted application to trigger a flaw in processing Advanced Local Procedure Calls (ALPCs) to execute arbitrary code with local system privileges [CVE-2017-11783].

A local user can run a specially crafted application to obtain potentially sensitive information and bypass Kernel Address Space Layout Randomization (ASLR) on the target system [CVE-2017-11784, CVE-2017-11785].

A local user can run a specially crafted application to trigger an object memory handling error and obtain potentially sensitive information on the target system [CVE-2017-11814, CVE-2017-11817].

A local user can exploit a flaw in Microsoft Windows storage to bypass an integrity-level check and allow an application with a certain integrity level to execute code at a different integrity level [CVE-2017-11818].

A local user can create a specially crafted Delivery Optimization job to exploit a file share permissions flaw in the Windows Update Delivery Optimization to overwrite privileged files [CVE-2017-11829].

pgboy and zhong_sf of Qihoo 360 Vulcan Team, hungtt28 & nyancat (via with Trend Micro's Zero Day Initiative), bear13oy of DBAPP Security, Matt Nelson (@enigma0x3) of SpecterOps, WenQunWang of Tencent's Xuanwu LAB, Clement Rouault (@hakril) and Thomas Imbert (@masthoon) from Sogeti ESEC R&D, WenQunWang of Tencent's Xuanwu LAB, Mateusz Jurczyk of Google Project zero, and James Forshaw of Google Project Zero reported these vulnerabilities.

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

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

A local user can bypass Device Guard Code Integrity policy on the target system.

Solution:   The vendor has issued a fix.

The Microsoft advisories are available at:

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11765
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11783
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11784
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11785
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11814
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11817
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11818
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11823
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11829
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8689
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8694
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8715

Vendor URL:  portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8689 (Links to External Site)
Cause:   Access control error

Message History:   None.


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