MS09-020: Vulnerabilities in Internet Information Services (IIS) could allow elevation of privilege

Support for Windows XP has ended

Microsoft ended support for Windows XP on April 8, 2014. This change has affected your software updates and security options. Learn what this means for you and how to stay protected.

Support for Windows Server 2003 ended on July 14, 2015

Microsoft ended support for Windows Server 2003 on July 14, 2015. This change has affected your software updates and security options. Learn what this means for you and how to stay protected.

INTRODUCTION
Microsoft has released security bulletin MS09-020. To view the complete security bulletin, visit one of the following Microsoft Web sites:

How to obtain help and support for this security update

Help installing updates: Support for Microsoft Update

Security solutions for IT professionals: TechNet Security Troubleshooting and Support

Help protect your computer that is running Windows from viruses and malware:Virus Solution and Security Center

Local support according to your country: International Support

FILE INFORMATION
The English (United States) version of this software update installs files that have the attributes that are listed in the following tables. The dates and times for these files are listed in Coordinated Universal Time (UTC). The dates and times for these files on your local computer are displayed in your local time and with your current daylight saving time (DST) bias. Additionally, the dates and times may change when you perform certain operations on the files.

Windows 2000 file information

For all supported editions of Microsoft Windows 2000 Service Pack 4

File nameFile versionFile sizeDateTimePlatform
Httpext.dll5.0.2195.7290247,05625-Apr-200911:09x86

Windows XP and Windows Server 2003 file information

  • The files that apply to a specific milestone (RTM, SPn) and service branch (QFE, GDR) are noted in the "SP requirement" and "Service branch" columns.
  • GDR service branches contain only those fixes that are widely released to address widespread, critical issues. QFE service branches contain hotfixes in addition to widely released fixes.
  • In addition to the files that are listed in these tables, this software update also installs an associated security catalog file (KBnumber.cat) that is signed with a Microsoft digital signature.

For all supported x86-based versions of Windows XP

File nameFile versionFile sizeDateTimePlatformSP requirementService branch
Httpext.dll6.0.2600.3574268,28821-May-200918:19x86SP2SP2GDR
Httpext.dll6.0.2600.3574268,28821-May-200918:01x86SP2SP2QFE
Httpext.dll6.0.2600.5817268,28821-May-200918:46x86SP3SP3GDR
Httpext.dll6.0.2600.5817268,28821-May-200918:09x86SP3SP3QFE

For all supported x64-based versions of Windows Server 2003 and of Windows XP Professional x64 edition

File nameFile versionFile sizeDateTimePlatformSP requirementService branch
Httpext.dll6.0.3790.4518492,03226-May-200904:41x64SP2SP2GDR
Whttpext.dll6.0.3790.4518241,66426-May-200904:41x86SP2SP2GDR\WOW
Httpext.dll6.0.3790.4518492,03226-May-200904:38x64SP2SP2QFE
Whttpext.dll6.0.3790.4518241,66426-May-200904:38x86SP2SP2QFE\WOW

For all supported x86-based versions of Windows Server 2003

File nameFile versionFile sizeDateTimePlatformSP requirementService branch
Httpext.dll6.0.3790.4518241,66425-May-200915:56x86SP2SP2GDR
Httpext.dll6.0.3790.4518241,66425-May-200915:49x86SP2SP2QFE

For all supported IA-64-based versions of Windows Server 2003

File nameFile versionFile sizeDateTimePlatformSP requirementService branch
Httpext.dll6.0.3790.4518846,33626-May-200904:40IA-64SP2SP2GDR
Whttpext.dll6.0.3790.4518241,66426-May-200904:40x86SP2SP2GDR\WOW
Httpext.dll6.0.3790.4518845,82426-May-200904:38IA-64SP2SP2QFE
Whttpext.dll6.0.3790.4518241,66426-May-200904:38x86SP2SP2QFE\WOW
update security_patch security_update security bug flaw vulnerability malicious attacker exploit registry unauthenticated buffer overrun overflow specially-formed scope specially-crafted denial of service DoS TSE WinNT Win2000
Properties

Article ID: 970483 - Last Review: 05/08/2012 21:33:00 - Revision: 4.0

Microsoft Windows Server 2003 Service Pack 2, Microsoft Windows XP Service Pack 2, Microsoft Windows XP Service Pack 3, Microsoft Windows 2000 Service Pack 4

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