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Category:   OS (Microsoft)  >   Windows DLL (Any) Vendors:   Microsoft
Microsoft Windows Internet Connection Signup Wizard May Load DLLs Unsafely and Remotely Execute Arbitrary Code
SecurityTracker Alert ID:  1024879
SecurityTracker URL:  http://securitytracker.com/id/1024879
CVE Reference:   CVE-2010-3144   (Links to External Site)
Date:  Dec 14 2010
Impact:   Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): XP SP3, 2003 SP2; and prior service packs
Description:   A vulnerability was reported in Microsoft Windows Internet Connection Signup Wizard. 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 .ins or .isp 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.

This type of exploit is also known as "binary planting" or "DLL preloading".

Muhaimin Dzulfakar of NGS Software 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 XP Service Pack 3:

http://www.microsoft.com/downloads/details.aspx?familyid=FA9A1AAC-B9C5-4D4E-9083-A080AD4CCC6F

Windows XP Professional x64 Edition Service Pack 2:

http://www.microsoft.com/downloads/details.aspx?familyid=6DABC306-C858-46B1-815C-CD8D011FF62E

Windows Server 2003 Service Pack 2:

http://www.microsoft.com/downloads/details.aspx?familyid=8FA2CFA4-A01D-4910-B69F-736AEB585BAB

Windows Server 2003 x64 Edition Service Pack 2:

http://www.microsoft.com/downloads/details.aspx?familyid=17B0B340-73B2-42A7-9D86-1297C63DCC2B

Windows Server 2003 with SP2 for Itanium-based Systems:

http://www.microsoft.com/downloads/details.aspx?familyid=04A178CC-1AFD-4E47-8CAB-05E402E5A568

A restart may be required.

The Microsoft advisory is available at:

http://www.microsoft.com/technet/security/bulletin/ms10-097.mspx

Vendor URL:  www.microsoft.com/technet/security/bulletin/ms10-097.mspx (Links to External Site)
Cause:   Access control error

Message History:   None.


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