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Category:   Application (Generic)  >   Microsoft Visual Basic Vendors:   Microsoft
Microsoft Visual Basic Windows Common Controls (MSCOMCTL.OCX) Bug Lets Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1027389
SecurityTracker URL:  http://securitytracker.com/id/1027389
CVE Reference:   CVE-2012-1856   (Links to External Site)
Date:  Aug 14 2012
Impact:   Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 6.0 Runtime
Description:   A vulnerability was reported in Microsoft Visual Basic. A remote user can cause arbitrary code to be executed on the target user's system.

A remote user can create specially crafted HTML that, when loaded by the target user, will invoke the Windows Common Controls ActiveX controls (MSCOMCTL.OCX) and trigger a flaw in the TabStrip control and execute arbitrary code on the target user's system. The code will run with the privileges of the target user.

The CLSID of the vulnerable control is: 1EFB6596-857C-11D1-B16A-00C0F0283628

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

Visual Basic 6.0 Runtime:

http://www.microsoft.com/downloads/details.aspx?familyid=847ec64b-95be-463b-bdfb-969e91fe3207

A restart is required.

The Microsoft advisory is available at:

http://technet.microsoft.com/en-us/security/bulletin/ms12-060

Vendor URL:  technet.microsoft.com/en-us/security/bulletin/ms12-060 (Links to External Site)
Cause:   Access control error
Underlying OS:  Windows (Any)

Message History:   None.


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