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Category:   OS (Microsoft)  >   Windows Drivers Vendors:   Microsoft
Windows Common Log File System Driver Lets Local Users Gain Elevated Privileges
SecurityTracker Alert ID:  1039106
SecurityTracker URL:  http://securitytracker.com/id/1039106
CVE Reference:   CVE-2017-8624   (Links to External Site)
Date:  Aug 8 2017
Impact:   User access via local system
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 7 SP1, 2008 R2 SP1, 2008 SP2, 2012, 8.1, 2012 R2, RT 8.1, 10, 10 Version 1511, 2016, 10 Version 1607, 10 Version 1703
Description:   A vulnerability was reported in Windows Common Log File System Driver. 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 in the Windows Common Log File System (CLFS) driver and execute arbitrary code on the target system with elevated privileges.

Jaanus Kp Clarified Security (via Trend Micro's Zero Day Initiative) reported this vulnerability.

Impact:   A local user can obtain elevated privileges 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-2017-8624
https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB4034660
https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB4034668
https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB4034679
https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB4034666
https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB4034658
https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB4034664
https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB4034672
https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB4034745
https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB4034674
https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB4034681
https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB4034665

Vendor URL:  portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8624 (Links to External Site)
Cause:   Access control error

Message History:   None.


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