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Category:   Application (Generic)  >   Microsoft Hyper-V Vendors:   Microsoft
Microsoft Hyper-V Input Validation Flaw in Network Switch Lets Local Users on a Guest System Gain Elevated Privileges on the Host System
SecurityTracker Alert ID:  1038233
SecurityTracker URL:  http://securitytracker.com/id/1038233
CVE Reference:   CVE-2017-0162, CVE-2017-0163, CVE-2017-0180, CVE-2017-0181   (Links to External Site)
Date:  Apr 12 2017
Impact:   Execution of arbitrary code via local system, User access via local system
Fix Available:  Yes  Vendor Confirmed:  Yes  

Description:   Several vulnerabilities were reported in Microsoft Hyper-V. A local user on the guest system can gain elevated privileges on the host system.

A local user on the guest system can run a specially crafted application to exploit a flaw in the Hyper-V Network Switch and execute arbitrary code on the host system [CVE-2017-0162, CVE-2017-0163, CVE-2017-0180, CVE-2017-0181].

Felix Wilhelm (ERNW Research GmbH) & Axel Souchet, MSRC Vulnerabilities & Mitigations, Adam'pi3' Zabrocki, Microsoft Offensive Security Research Team, and Jordan Rabet, Microsoft Offensive Security Research Team, reported these vulnerabilities.

Impact:   A local user on the guest system can gain elevated privileges on the host system.
Solution:   The vendor has issued a fix, available at:

https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB3211308
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

Vendor URL:  catalog.update.microsoft.com/v7/site/Search.aspx?q=KB4015550 (Links to External Site)
Cause:   Input validation error
Underlying OS:  Windows (2008), Windows (2012), Windows (2016), Windows (8), Windows (10)
Underlying OS Comments:  2008 R2 SP1, 2008 SP2, 8.1, 2012 R2, 10 Version 1511, 10 Version 1607, 10 Version 1703, 2016

Message History:   None.


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