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Category:   OS (Microsoft)  >   Windows DLL (Any) Vendors:   Microsoft
Windows Subsystem for Linux Integer Overflow Lets Local Users Gain Elevated Privileges
SecurityTracker Alert ID:  1041641
SecurityTracker URL:  http://securitytracker.com/id/1041641
CVE Reference:   CVE-2018-8441   (Links to External Site)
Date:  Sep 11 2018
Impact:   Root access via local system
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 10 Version 1803
Description:   A vulnerability was reported in Windows Subsystem for Linux. A local user can obtain elevated privileges on the target system.

A local user can run a specially crafted application to trigger an integer overflow and execute arbitrary code on the target system with elevated privileges.

Anthony LAOU HINE TSUEI of Tencent Keen Security Lab 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-2018-8441
https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB4457128

Vendor URL:  portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8441 (Links to External Site)
Cause:   Boundary error

Message History:   None.


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