Microsoft Windows Shell MSHTA Script Execution Vulnerability - Secunia Advisories - Vulnerability Intelligence

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Microsoft Windows Shell MSHTA Script Execution Vulnerability
Secunia Advisory:	SA14909	Advisory Toolbox: Issue ticket Save in to-do list Mark as handled Exploit information Download as PDF Review actions Add comment
Release Date:	2005-04-12
Last Update:	2005-11-21
Popularity:	16,403 views

Critical:	Moderately critical
Impact:	System access
Where:	From remote
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 Server 2003 Datacenter Edition Microsoft Windows Server 2003 Enterprise Edition Microsoft Windows Server 2003 Standard Edition Microsoft Windows Server 2003 Web Edition Microsoft Windows XP Embedded Microsoft Windows XP Professional

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CVE reference:	CVE-2005-0063

Description: A vulnerability has been reported in Microsoft Windows, which can be exploited by malicious people to compromise a user's system. The problem is caused due to a design error, as certain files including Word documents contain the CLSID of the program used for opening the file. This can be exploited to execute arbitrary script code contained in non-executable files by substituting the CLSID with the "MSHTA.EXE" program. Successful exploitation requires that a user double-clicks the malicious file that contains an unhandled extension (e.g. ".d0c). Solution: Apply patches. Microsoft Windows 2000 (requires Service Pack 3 or Service Pack 4): http://www.microsoft.com/downloads/de...=A7511A19-ADD5-4793-92AC-25E953CE405C Microsoft Windows XP (requires Service Pack 1 or Service Pack 2): http://www.microsoft.com/downloads/de...51679BB1-A61B-47AC-A943-F9F306EF987B Microsoft Windows XP 64-Bit Edition (requires Service Pack 1) (Itanium): http://www.microsoft.com/downloads/de...=D513C252-FF70-46E3-BD79-077A336A974D Microsoft Windows XP 64-Bit Edition Version 2003 (Itanium): http://www.microsoft.com/downloads/de...=32ADAB00-6ED3-4418-8539-7FA468AD5DBD Microsoft Windows XP Embedded (with SP2): http://www.microsoft.com/downloads/de...=cdbbf6da-965f-4ca2-95d9-73dbfdbae0bc Microsoft Windows XP Embedded (with SP1): http://www.microsoft.com/downloads/de...=a01e8cfe-96fa-4443-870d-5c2ebeb4af2e Microsoft Windows Server 2003: http://www.microsoft.com/downloads/de...=F803F008-5EE8-4BBE-8136-BC21708D1025 Microsoft Windows Server 2003 for Itanium-based Systems: http://www.microsoft.com/downloads/de...=32ADAB00-6ED3-4418-8539-7FA468AD5DBD The following versions of Microsoft Windows are not affected: * Microsoft Windows Server 2003 Service Pack 1 * Microsoft Windows Server 2003 with SP1 for Itanium-based Systems * Microsoft Windows Server 2003 x64 Edition * Microsoft Windows XP Professional x64 Edition Provided and/or discovered by: Discovered by anonymous person and reported via iDEFENSE. Changelog: 2005-04-13: Added link to US-CERT vulnerability note and information provided by iDEFENSE. 2005-11-21: Added patch information for Windows XP Embedded. Original Advisory: MS05-016 (KB893086): http://www.microsoft.com/technet/security/bulletin/MS05-016.mspx iDEFENSE: http://www.idefense.com/application/poi/display?id=231&type=vulnerabilities Other References: US-CERT VU#673051: http://www.kb.cert.org/vuls/id/673051

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