TITLE:
Microsoft Windows Shell and Web View Three Vulnerabilities

SECUNIA ADVISORY ID:
SA17168

VERIFY ADVISORY:
http://secunia.com/advisories/17168/

CRITICAL:
Moderately critical

IMPACT:
System access

WHERE:
>From remote

OPERATING SYSTEM:
Microsoft Windows XP Professional
http://secunia.com/product/22/
Microsoft Windows XP Home Edition
http://secunia.com/product/16/
Microsoft Windows Server 2003 Web Edition
http://secunia.com/product/1176/
Microsoft Windows Server 2003 Standard Edition
http://secunia.com/product/1173/
Microsoft Windows Server 2003 Enterprise Edition
http://secunia.com/product/1174/
Microsoft Windows Server 2003 Datacenter Edition
http://secunia.com/product/1175/
Microsoft Windows 2000 Server
http://secunia.com/product/20/
Microsoft Windows 2000 Professional
http://secunia.com/product/1/
Microsoft Windows 2000 Datacenter Server
http://secunia.com/product/1177/
Microsoft Windows 2000 Advanced Server
http://secunia.com/product/21/

DESCRIPTION:
Three vulnerabilities has been reported in Microsoft Windows,
allowing malicious people to compromise a users system.

1) The vulnerability is caused due an error in the handling of
properties associated with ".lnk" files. This can be exploited to
execute arbitrary code with the privileges of the user opening the
".lnk" file.

2) The vulnerability is caused due to an unchecked buffer in the
handling of properties associated with a ".lnk" file. This can be
exploited to execute arbitrary code with the privileges of the user
viewing the properties of or opening the ".lnk" file.

3) The vulnerability is caused due to an error in the way Windows
Explorer handles certain HTML characters in the preview field. This
can be exploited to execute arbitrary code with the privileges of the
user viewing the malicious file.

SOLUTION:
Apply patches.

Microsoft Windows 2000 (requires Service Pack 4):
http://www.microsoft.com/downloads/details.aspx?FamilyId=1F063C4A-B0BF-49C6-928B-F1F076C69612

Microsoft Windows XP (requires Service Pack 1 or Service Pack 2):
http://www.microsoft.com/downloads/details.aspx?FamilyId=F7241DEB-9E2D-401A-9D71-10ACAB4450AF

Microsoft Windows XP Professional x64 Edition:
http://www.microsoft.com/downloads/details.aspx?FamilyId=594AD01B-F333-4C56-9C12-D1A8B82F2A6E

Microsoft Windows Server 2003 (with or without Service Pack 1):
http://www.microsoft.com/downloads/details.aspx?FamilyId=1A4FCFDE-E549-4078-A180-076A23CB8BB7

Microsoft Windows Server 2003 (Itanium) (with or without SP 1):
http://www.microsoft.com/downloads/details.aspx?FamilyId=3BA63AF8-3D36-4F3C-BFEE-11B62572AF73

Microsoft Windows Server 2003 x64 Edition:
http://www.microsoft.com/downloads/details.aspx?FamilyId=994B14B4-EE98-4B61-BDBE-CA5C20094855

PROVIDED AND/OR DISCOVERED BY:
The vendor credits the following:
1-2) Cesar Cerrudo of Argeniss
3) Brett Moore of security-assessment.com

ORIGINAL ADVISORY:
MS05-049 (KB900725):
http://www.microsoft.com/technet/security/Bulletin/MS05-049.mspx

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