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Category:   OS (Microsoft)  >   Windows Shell Vendors:   Microsoft
Windows Shell File Path Validation Flaw Lets Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1041458
SecurityTracker URL:  http://securitytracker.com/id/1041458
CVE Reference:   CVE-2018-8414   (Links to External Site)
Date:  Aug 14 2018
Impact:   Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 10 Version 1703, 10 Version 1709, 10 Version 1803
Description:   A vulnerability was reported in Windows Shell. A remote user can cause arbitrary code to be executed on the target user's system.

A remote user can create a specially crafted file that, when loaded by the target user, will trigger a file path validation flaw and execute arbitrary code on the target system. The code will run with the privileges of the target user.

Matt Nelson (@enigma0x3) of SpecterOps reported this vulnerability.

Impact:   A remote user can create content that, when loaded by the target user, will execute arbitrary code on the target user's system.
Solution:   The vendor has issued a fix.

The Microsoft advisory is available at:

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8414

Vendor URL:  portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8414 (Links to External Site)
Cause:   Access control error, Input validation error

Message History:   None.


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