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Category:   Application (Generic)  >   Microsoft Office Vendors:   Microsoft
Microsoft Office Multiple File Processing Flaws Let Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1040853
SecurityTracker URL:  http://securitytracker.com/id/1040853
CVE Reference:   CVE-2018-8157, CVE-2018-8158, CVE-2018-8161   (Links to External Site)
Date:  May 8 2018
Impact:   Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 2010 SP2, Web Apps 2010 SP2, 2013 SP1, 2013 RT SP1, Web Apps Server 2013 SP1, 2016, 2016 Click-to-Run (C2R)
Description:   Several vulnerabilities were reported in Microsoft Office. 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 an object memory handling error and execute arbitrary code on the target user's system [CVE-2018-8161, CVE-2018-8157, CVE-2018-8158]. The code will run with the privileges of the target user.

Jens Muller of Ruhr-University Bochum, willJ of Tencent PC Manager (via Trend Micro's Zero Day Initiative), and Ying Xinlei of IceSword Lab, Qihoo 360, reported these vulnerabilities.

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 advisories are available at:

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8157
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8158
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8161

Vendor URL:  portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8161 (Links to External Site)
Cause:   Access control error
Underlying OS:  Windows (Any)

Message History:   None.


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