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Microsoft Windows "desktop.ini" Arbitrary File Execution Vulnerability
Secunia Advisory: SA11633
Release Date: 2004-05-18
Last Update: 2006-04-11
Popularity: 35,432 views

Critical:
Less critical
Impact: Privilege escalation
Where: Local system
Solution Status: Vendor Patch

OS:Microsoft Windows 2000 Advanced Server
Microsoft Windows 2000 Datacenter Server
Microsoft Windows 2000 Professional
Microsoft Windows 2000 Server
Microsoft Windows XP Home Edition
Microsoft Windows XP Professional

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CVE reference:CVE-2004-2289


Description:
Roozbeh Afrasiabi has reported a vulnerability in Microsoft Windows, which can be exploited by malicious, local users to gain escalated privileges.

The problem is that "desktop.ini" files may contain CLSID references to arbitrary executables in the "[.ShellClassInfo]" section. This can be exploited to execute arbitrary files with another user's privileges when the user browses a folder containing a malicious "desktop.ini" file.

The vulnerability has been confirmed on fully patched systems running Windows 2000 and Windows XP. Other versions may also be affected.

Solution:
Apply patches.

Microsoft Windows 2000 (requires Service Pack 4):
http://www.microsoft.com/downloads/de...=AE28BC65-3A5E-4497-AD05-2CDE8E7B5E95

Microsoft Windows XP (requires Service Pack 1 or Service Pack 2):
http://www.microsoft.com/downloads/de...=392C2F1B-AA24-48E5-8D5B-EA56341DB936

Microsoft Windows XP Professional x64 Edition:
http://www.microsoft.com/downloads/de...=11A5195E-3F32-41F9-AB39-68A099EE945D

Microsoft Windows Server 2003 (with or without Service Pack 1):
http://www.microsoft.com/downloads/de...=099EE535-8B31-4356-B3FB-EF524C20A424

Microsoft Windows Server 2003 for Itanium (with or without SP1):
http://www.microsoft.com/downloads/de...=E3C7E736-1583-4BD5-B661-A9AADDFA5B86

Microsoft Windows Server 2003 x64 Edition:
http://www.microsoft.com/downloads/de...=238AB809-5A7E-4678-B01B-38FD82E9C701

Provided and/or discovered by:
Roozbeh Afrasiabi

Changelog:
2006-04-11: Added CVE reference. Updated "Solution" section.

Original Advisory:
MS06-015 (KB908531)
http://www.microsoft.com/technet/security/Bulletin/MS06-015.mspx


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