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Microsoft Windows WMF "SETABORTPROC" Arbitrary Code Execution
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Secunia Advisory:
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SA18255
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Release Date:
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2005-12-28
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Last Update:
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2006-02-28
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Popularity:
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160,582 views
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Critical:
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Extremely critical
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Impact:
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System access
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Where:
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From remote
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Solution Status:
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Vendor Patch
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| 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 Home Edition
Microsoft Windows XP Professional
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| CVE reference: | CVE-2005-4560
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Description:
A vulnerability has been discovered in Microsoft Windows, which can be exploited by malicious people to compromise a vulnerable system.
The vulnerability is caused due to an error in the handling of Windows Metafile files (".wmf") containing specially crafted SETABORTPROC "Escape" records. Such records allow arbitrary user-defined function to be executed when the rendering of a WMF file fails. This can be exploited to execute arbitrary code by tricking a user into opening a malicious ".wmf" file in "Windows Picture and Fax Viewer" or previewing a malicious ".wmf" file in explorer (i.e. opening a folder containing a malicious image file).
The vulnerability can also be exploited automatically when a user visits a malicious web site using Microsoft Internet Explorer.
NOTE: Exploit code is publicly available. This is being exploited in the wild. The vulnerability can also be triggered from explorer if the malicious file has been saved to a folder and renamed to other image file extensions like ".jpg", ".gif, ".tif", and ".png" etc.
The vulnerability has been confirmed on a fully patched system running Microsoft Windows XP SP2. Microsoft Windows 2000, Windows XP SP1 and Microsoft Windows Server 2003 SP0 / SP1 are also affected.
Solution:
Apply patches.
Microsoft Windows 2000 (requires Service Pack 4):
http://www.microsoft.com/downloads/de...=AA9E27BD-CB9A-4EF1-92A3-00FFE7B2AC74
Microsoft Windows XP (requires Service Pack 1 or 2):
http://www.microsoft.com/downloads/de...=0C1B4C96-57AE-499E-B89B-215B7BB4D8E9
Microsoft Windows XP Professional x64 Edition:
http://www.microsoft.com/downloads/de...=3A1166E6-5E9E-4E73-BCD4-28ECA6ECE877
Windows XP Embedded SP1:
http://www.microsoft.com/downloads/de...-b356-45eb3f4c2f1b&DisplayLang=en
Windows XP Embedded SP2:
http://www.microsoft.com/downloads/de...-b519-576cfab9d55f&DisplayLang=en
Microsoft Windows Server 2003 (with or without Service Pack 1):
http://www.microsoft.com/downloads/de...=1584AAE0-51CE-47D6-9A03-DB5B9077F1F2
Microsoft Windows Server 2003 (Itanium) (with or without SP1):
http://www.microsoft.com/downloads/de...=6E372D41-2C16-415E-8306-A5CA8845CC09
Microsoft Windows Server 2003 x64 Edition:
http://www.microsoft.com/downloads/de...=A8F4DCBA-5D28-4D9D-A6A4-3B71108CFE2D
See vendors advisory for information about Microsoft Windows 98, Microsoft Windows 98 Second Edition (SE), and Microsoft Windows Millennium Edition (ME).
Provided and/or discovered by:
The vendor credits Dan Hubbard, WebSense.
First reported in the wild by "noemailpls".
Exploit code and additional information provided by H D Moore.
Changelog:
2005-12-29: Updated advisory.
2006-01-06: Vendor releases patches. Updated advisory.
2006-02-28: Added fixes for Windows XP Embedded.
Original Advisory:
MS06-001 (KB912919):
http://www.microsoft.com/technet/security/Bulletin/MS06-001.mspx
Microsoft (KB912840):
http://www.microsoft.com/technet/security/advisory/912840.mspx
Other References:
US-CERT VU#181038:
http://www.kb.cert.org/vuls/id/181038
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
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