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Category:   OS (Microsoft)  >   Microsoft GDI+ Vendors:   Microsoft
Microsoft Windows Font Library Embedded Font Handling Bug Lets Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1038680
SecurityTracker URL:  http://securitytracker.com/id/1038680
CVE Reference:   CVE-2017-8527   (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): 7 SP1, 2008 R2 SP1, 2008 SP2, 2012, 2012 R2, 8.1, RT 8.1, 10, 2016, 10 Version 1511, 10 Version 1607, 10 Version 1703
Description:   A vulnerability was reported in Microsoft Windows Font Library. A remote user can cause arbitrary code to be executed on the target user's system.

A remote user can create content containing a specially crafted embedded font that, when loaded by the target user, will execute arbitrary code on the target user's system. The code will run with the privileges of the target user.

Axel Souchet (@0vercl0k) of MSRC Vulnerabilities and Mitigations Team 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 advisories are available at:

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8527
https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB4022714
https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB4022715
https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB4022717
https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB4022718
https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB4022719
https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB4022722
https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB4022724
https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB4022725
https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB4022726
https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB4022727
https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB4022884

Vendor URL:  portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8527 (Links to External Site)
Cause:   Access control error

Message History:   This archive entry has one or more follow-up message(s) listed below.
Jun 14 2017 (Microsoft Issues Fix for Microsoft Office) Microsoft Windows Font Library Embedded Font Handling Bug Lets Remote Users Execute Arbitrary Code
Microsoft has issued a fix for Microsoft Office 2007 SP3 and 2010 SP2.
Jun 14 2017 (Microsoft Issues Fix for Microsoft Skype for Business) Microsoft Windows Font Library Embedded Font Handling Bug Lets Remote Users Execute Arbitrary Code
Microsoft has issued a fix for Microsoft Skype for Business 2016.
Jun 14 2017 (Microsoft Issues Fix for Microsoft Lync) Microsoft Windows Font Library Embedded Font Handling Bug Lets Remote Users Execute Arbitrary Code
Microsoft has issued a fix for Microsoft Lync 2013 SP1.
Jun 14 2017 (Microsoft Issues Fix for Microsoft Silverlight) Microsoft Windows Font Library Embedded Font Handling Bug Lets Remote Users Execute Arbitrary Code
Microsoft has issued a fix for Microsoft Silverlight 5.



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