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Category:   Application (Generic)  >   Microsoft Silverlight Vendors:   Microsoft
Microsoft Silverlight Null Pointer Dereference Lets Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1028755
SecurityTracker URL:
CVE Reference:   CVE-2013-3178   (Links to External Site)
Updated:  Aug 14 2013
Original Entry Date:  Jul 9 2013
Impact:   Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 5
Description:   A vulnerability was reported in Microsoft Silverlight. A remote user can cause arbitrary code to be executed on the target user's system.

A remote user can create specially crafted Silverlight content that, when loaded by the target user, will trigger a null pointer dereference and execute arbitrary code on the target user's system.

Vitaliy Toropov 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.

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

A restart is required.

[Editor's note: On August 13, 2013, the vendor updated their advisory to re-release certain updates and advised users to install the re-released updates that apply to their systems.]

The Microsoft advisory is available at:

Vendor URL: (Links to External Site)
Cause:   Access control error
Underlying OS:  UNIX (macOS/OS X), Windows (Any)

Message History:   None.

 Source Message Contents

[Original Message Not Available for Viewing]

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