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Category:   Application (Generic)  >   Microsoft SharePoint Vendors:   Microsoft
Microsoft SharePoint Lets Remote Users Bypass App Permission Management to Execute Arbitrary Code
SecurityTracker Alert ID:  1030720
SecurityTracker URL:  http://securitytracker.com/id/1030720
CVE Reference:   CVE-2014-2816   (Links to External Site)
Date:  Aug 12 2014
Impact:   Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 2013 SP1 and Foundation 2013 SP1; and prior service packs
Description:   A vulnerability was reported in Microsoft SharePoint. A remote user can cause arbitrary code to be executed on the target user's system.

A remote user can create a specially crafted app that, when installed by the target user, will bypass app permission management and execute arbitrary JavaScript on the target user's system with the privileges of the target user.

Microsoft SharePoint Server 2013 and Microsoft SharePoint Foundation 2013 are affected.

Impact:   A remote user can create an app that, when installed by the target user, will execute arbitrary code on the target user's system.
Solution:   The vendor has issued the following fixes:

Microsoft SharePoint Server 2013:

http://www.microsoft.com/downloads/details.aspx?familyid=c7a9b228-5837-48be-bc40-6f307ddd3229

Microsoft SharePoint Server 2013 Service Pack 1:

http://www.microsoft.com/downloads/details.aspx?familyid=c7a9b228-5837-48be-bc40-6f307ddd3229

Microsoft SharePoint Foundation 2013:

http://www.microsoft.com/downloads/details.aspx?familyid=c7a9b228-5837-48be-bc40-6f307ddd3229

Microsoft SharePoint Foundation 2013 Service Pack 1:

http://www.microsoft.com/downloads/details.aspx?familyid=c7a9b228-5837-48be-bc40-6f307ddd3229

A restart may be required.

The Microsoft advisory is available at:

https://technet.microsoft.com/library/security/ms14-050

Vendor URL:  technet.microsoft.com/library/security/ms14-050 (Links to External Site)
Cause:   Access control error
Underlying OS:  Windows (2008), Windows (2012)

Message History:   None.


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