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Category:   Application (Generic)  >   Microsoft Word Vendors:   Microsoft
(Microsoft Issues Fix for Microsoft Word Viewer) Microsoft Silverlight Uniscribe Object Memory Handling Bug Lets Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1038687
SecurityTracker URL:  http://securitytracker.com/id/1038687
CVE Reference:   CVE-2017-0283   (Links to External Site)
Date:  Jun 14 2017
Impact:   Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): Word Viewer
Description:   A vulnerability was reported in Microsoft Silverlight. A remote user can cause arbitrary code to be executed on the target user's system. Microsoft Word Viewer is affected.

A remote user can create specially crafted web content or files that, when loaded by the target user, will trigger an object memory handling error in Windows Uniscribe and execute arbitrary code on the target user's system.

Axel Souchet (@0vercl0k) of MSRC Vulnerabilities and Mitigations Team and Mateusz Jurczyk of Google Project Zero 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:   Microsoft has issued a fix for CVE-2017-0283 for Microsoft Word Viewer.

The Microsoft advisory is available at:

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0283

Vendor URL:  portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0283 (Links to External Site)
Cause:   Access control error
Underlying OS:  Windows (Any)

Message History:   This archive entry is a follow-up to the message listed below.
Jun 14 2017 Microsoft Silverlight Uniscribe Object Memory Handling Bug Lets Remote Users Execute Arbitrary Code



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