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Category:   Application (Generic)  >   Microsoft .NET Vendors:   Microsoft
Microsoft .NET Data Provider for SQL Server Developer Key Lets Remote Users Obtain Potentially Sensitive Information on the Target System
SecurityTracker Alert ID:  1037455
SecurityTracker URL:  http://securitytracker.com/id/1037455
CVE Reference:   CVE-2016-7270   (Links to External Site)
Updated:  Dec 20 2016
Original Entry Date:  Dec 13 2016
Impact:   Denial of service via network, Disclosure of system information, Disclosure of user information
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 4.6.2
Description:   A vulnerability was reported in Microsoft .NET. A remote user can obtain potentially sensitive information on the target system.

A remote user can use a developer key to decrypt data ostensibly protected by the 'Always Encrypted' feature and view potentially sensitive information on the target system.

A remote user can also use the developer key to temporarily prevent certain data from being accessed.

Impact:   A remote user can obtain potentially sensitive information on the target system.

A remote user can temporarily prevent certain data from being accessed.

Solution:   The vendor has issued a fix.

A patch matrix is available in the vendor advisory.

[Editor's note: On December 19, 2016, the vendor updated their advisory to indicate that update 3210142 is now available for Windows Server 2008 for Itanium-based Systems SP2 and update 3205402 is now available for Windows Server 2008 R2 for Itanium-based Systems SP1.]

The Microsoft advisory is available at:

https://technet.microsoft.com/library/security/ms16-155

Vendor URL:  technet.microsoft.com/library/security/ms16-155 (Links to External Site)
Cause:   Access control error
Underlying OS:  Windows (2008), Windows (2012), Windows (7), Windows (8), Windows (10)
Underlying OS Comments:  2008 SP2, 2008 R2 SP1, 7 SP1, 8.1, 2012, 2012 R2, 10 Version 1607, 2016

Message History:   None.


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