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Vulnerability of Windows: code execution via MSCOMCTL.OCX

Synthesis of the vulnerability 

An attacker can invite the victim to browse a web page loading the MSCOMCTL.OCX ActiveX, in order to execute code on his computer.
Impacted products: BizTalk Server, Office, Access, Office Communicator, Excel, InfoPath, OneNote, Outlook, PowerPoint, Project, Publisher, Visio, Word, SQL Server, Visual Studio, Windows 2003, Windows 2008 R0, Windows 2008 R2, Windows 7, Windows Vista, Windows XP.
Severity of this bulletin: 4/4.
Creation date: 11/04/2012.
Références of this threat: 2664258, BID-52911, CERTA-2012-AVI-206, CVE-2012-0158, MS12-027, VIGILANCE-VUL-11529.

Description of the vulnerability 

The MSCOMCTL.OCX file is installed by several Microsoft products:
 - Microsoft Office
 - Microsoft SQL Server
 - Microsoft BizTalk Server
 - Microsoft Commerce Server
 - Microsoft Visual FoxPro
 - Visual Basic

This file contains the Windows Common Controls ActiveX controls (MSCOMCTL.TreeView, MSCOMCTL.ListView2, MSCOMCTL.TreeView2, and MSCOMCTL.ListView).

A buffer overflow in these ActiveX leads to code execution.

An attacker can therefore invite the victim to browse a web page loading the MSCOMCTL.OCX ActiveX, in order to execute code on his computer.
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This computer vulnerability bulletin impacts software or systems such as BizTalk Server, Office, Access, Office Communicator, Excel, InfoPath, OneNote, Outlook, PowerPoint, Project, Publisher, Visio, Word, SQL Server, Visual Studio, Windows 2003, Windows 2008 R0, Windows 2008 R2, Windows 7, Windows Vista, Windows XP.

Our Vigil@nce team determined that the severity of this vulnerability bulletin is critical.

The trust level is of type confirmed by the editor, with an origin of document.

A proof of concept or an attack tool is available, so your teams have to process this alert. An attacker with a technician ability can exploit this threat note.

Solutions for this threat 

Windows: patch for MSCOMCTL.OCX.
The Microsoft announce indicates patches and workarounds for:
 - Microsoft Office
 - Microsoft SQL Server
 - Microsoft BizTalk Server
 - Microsoft Commerce Server
 - Microsoft Visual FoxPro
 - Visual Basic
Full bulletin, software filtering, emails, fixes, ... (Request your free trial)

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