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Category:   Application (Generic)  >   Microsoft Office Vendors:   Microsoft
Microsoft Office File OLE-Based Processing Flaw Lets Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1038224
SecurityTracker URL:  http://securitytracker.com/id/1038224
CVE Reference:   CVE-2017-0199   (Links to External Site)
Updated:  Apr 12 2017
Original Entry Date:  Apr 11 2017
Impact:   Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 2007 SP3, 2010 SP2, 2013 SP1, 2016
Description:   A vulnerability was 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 RTF file that, when loaded by the target user with Microsoft Office, will trigger a flaw in the object linking and embedding (OLE) API and execute arbitrary code on the target system. The code will run with the privileges of the target user.

Microsoft WordPad is also affected.

[Editor's note: This vulnerability is being actively exploited.]

[Editor's note: McAfee reports that Office Protected View is not affected. However, Ryan Hanson of Optiv. Research reports that a separate vulnerability can be used to bypass the Office Protected View protections when exploiting this vulnerability.]

The vendor was notified in October 2016.

Ryan Hanson (@Ryhanson) of Optiv, GenWei Jiang, FLARE Team, FireEye Inc, Microsoft Office Security Team Microsoft MSRC Vulnerabilities and Mitigations Team, Eduardo Braun Prado, SecuriTeam Secure Disclosure (SSD), and Haifei Li of McAfee 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, available at:

https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB4014793
https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB4015549
https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB4015551

Vendor URL:  catalog.update.microsoft.com/v7/site/Search.aspx?q=KB4015549 (Links to External Site)
Cause:   Access control error
Underlying OS:  Windows (Any)

Message History:   None.


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