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Category:   Application (Generic)  >   Microsoft Office Vendors:   Microsoft
Microsoft AutoUpdate for Mac Lets Local Users Gain Elevated Privileges
SecurityTracker Alert ID:  1041484
SecurityTracker URL:  http://securitytracker.com/id/1041484
CVE Reference:   CVE-2018-8412   (Links to External Site)
Date:  Aug 15 2018
Impact:   User access via local system
Fix Available:  Yes  Vendor Confirmed:  Yes  

Description:   A vulnerability was reported in Microsoft Office Microsoft AutoUpdate (MAU). A local user can obtain elevated privileges on the target system.

The application does not properly validate updates before executing them. A local user can create a specially crafted executable in a specific location used by the MAU application to cause the application to execute arbitrary code on the target system with elevated privileges.

CodeColorist from AntFinancial LightYear 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-2018-8412
https://go.microsoft.com/fwlink/p/?linkid=831049

Vendor URL:  portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8412 (Links to External Site)
Cause:   Access control error
Underlying OS:  Windows (Any)

Message History:   None.


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