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Category:   Application (Generic)  >   Windows Meeting Space Vendors:   Microsoft
Windows Meeting Space DLL Loading Error Lets Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1026292
SecurityTracker URL:  http://securitytracker.com/id/1026292
CVE Reference:   CVE-2011-2016   (Links to External Site)
Date:  Nov 8 2011
Impact:   Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  

Description:   A vulnerability was reported in Windows Meeting Space. A remote user can cause arbitrary code to be executed on the target user's system.

A remote user can create a specially crafted DLL file on a remote share (e.g., WebDAV, SMB share). When the target application is loaded by the target user and the target user opens a '.eml' or '.wcinv' file on that remote share, the application may load the remote user's DLL instead of the intended DLL and execute arbitrary code. The code will run with the privileges of the target user.

Ivan Sanchez of EvilCode reported this vulnerability.

Impact:   A remote user can may be able to cause a target application to execute arbitrary code on the target user's system.
Solution:   The vendor has issued the following fixes:

Windows Vista Service Pack 2:

http://www.microsoft.com/downloads/details.aspx?familyid=e08266d8-fffa-40bf-b8f6-10a65ee27524

Windows Vista x64 Edition Service Pack 2:

http://www.microsoft.com/downloads/details.aspx?familyid=4f2365ed-d50e-44d9-b859-1ec54d3b4d38

A restart is not required.

The Microsoft advisory is available at:

http://technet.microsoft.com/en-us/security/bulletin/ms11-085

Vendor URL:  technet.microsoft.com/en-us/security/bulletin/ms11-085 (Links to External Site)
Cause:   Access control error
Underlying OS:  Windows (Vista)

Message History:   None.


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