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Category:   Application (Generic)  >   Microsoft Silverlight Vendors:   Microsoft
Microsoft Silverlight Permission Error Lets Local and Remote Users Gain Elevated Privileges
SecurityTracker Alert ID:  1032298
SecurityTracker URL:  http://securitytracker.com/id/1032298
CVE Reference:   CVE-2015-1715   (Links to External Site)
Date:  May 12 2015
Impact:   User access via local system, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 5
Description:   A vulnerability was reported in Microsoft Silverlight. A local or remote user can obtain elevated privileges on the target system.

Silverlight does not properly allow applications intended to run at a low integrity level (e.g., very limited permissions) to be executed at a medium integrity level (e.g., permissions of the current user) or a higher integrity level.

A remote user can create a specially crafted Silverlight application that, when executed by the target user, will execute arbitrary code on the target system with the privileges of the target user instead of with limited privileges.

Exodus Intelligence reported this vulnerability.

Impact:   A local or remote user can obtain elevated privileges on the target system.
Solution:   The vendor has issued a fix.

A patch matrix is available in the vendor's advisory.

The Microsoft advisory is available at:

https://technet.microsoft.com/library/security/ms15-049

Vendor URL:  technet.microsoft.com/library/security/ms15-049 (Links to External Site)
Cause:   Access control error
Underlying OS:  UNIX (macOS/OS X), Windows (Any)

Message History:   None.


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