Article ID: 945553 - Last Review: September 30, 2011 - Revision: 3.0

MS08-020: Vulnerability in DNS client could allow spoofing

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INTRODUCTION

Microsoft has released security bulletin MS08-020. The security bulletin contains all the relevant information about the security update. This information includes file manifest information and deployment options. To view the complete security bulletin, visit one of the following Microsoft Web sites:
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How to obtain help and support for this security update

For home users, no-charge support is available by calling 1-866-PCSAFETY in the United States and Canada or by contacting your local Microsoft subsidiary. For more information about how to contact your local Microsoft subsidiary for support issues with security updates, visit the Microsoft International Support Web site:
http://support.microsoft.com/common/international.aspx?rdpath=4 (http://support.microsoft.com/common/international.aspx?rdpath=4)
North American customers can also obtain instant access to unlimited no-charge e-mail support or to unlimited individual chat support by visiting the following Microsoft Web site:
http://support.microsoft.com/oas/default.aspx?&prid=7552 (http://support.microsoft.com/oas/default.aspx?&prid=7552)
For enterprise customers, support for security updates is available through your usual support contacts.
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File information

The English (United States) version of this security update has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time item in Control Panel.

For all supported editions of Microsoft Windows 2000 Server Service Pack 4

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File nameFile versionFile sizeDateTimePlatform
Dnsapi.dll5.0.2195.7151137,48816-Feb-200802:54x86
Dnsrslvr.dll5.0.2195.715096,52816-Feb-200802:54x86

For all supported 32-bit editions of Windows XP

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File nameFile versionFile sizeDateTimePlatformSP requirement
Additional_info_q945553.rtfNot Applicable4,28203-Mar-200807:32Not ApplicableNone
Kb945553.xmlNot Applicable6,60503-Mar-200807:32Not ApplicableNone
945553_dnsapi.dll5.1.2600.3316147,96820-Feb-200805:19x86None
945553_dnsrslvr.dll5.1.2600.331645,56820-Feb-200818:49x86None
Kb945553.sldNot Applicable130,10803-Mar-200807:32Not ApplicableNone
Additional_info_q945553.rtfNot Applicable4,28203-Mar-200807:30Not ApplicableSP2
Kb945553.xmlNot Applicable6,63103-Mar-200807:30Not ApplicableSP2
945553_dnsapi.dll5.1.2600.3316147,96820-Feb-200805:19x86SP2
945553_dnsrslvr.dll5.1.2600.331645,56820-Feb-200818:49x86SP2
Kb945553.sldNot Applicable193,86003-Mar-200807:30Not ApplicableSP2
Additional_info_q945553.rtfNot Applicable4,28203-Mar-200807:34Not ApplicableNone
Kb945553.xmlNot Applicable6,60503-Mar-200807:34Not ApplicableNone
945553_dnsapi.dll5.1.2600.3316147,96820-Feb-200805:19x86None
945553_dnsrslvr.dll5.1.2600.331645,56820-Feb-200818:49x86None
Kb945553.sldNot Applicable130,13003-Mar-200807:34Not ApplicableNone

For all supported x64-based editions of Windows XP

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File nameFile versionFile sizeDateTimePlatformSP requirementService branch
Dnsapi.dll5.2.3790.3092306,17619-Feb-200810:59x64SP1SP1GDR
Dnsrslvr.dll5.2.3790.309279,36019-Feb-200810:59x64SP1SP1GDR
Wdnsapi.dll5.2.3790.3092158,20819-Feb-200810:59x86SP1SP1GDR\WOW
Wdnsrslvr.dll5.2.3790.309245,56819-Feb-200810:59x86SP1SP1GDR\WOW
Dnsapi.dll5.2.3790.3092306,68819-Feb-200810:59x64SP1SP1QFE
Dnsrslvr.dll5.2.3790.309279,36019-Feb-200810:59x64SP1SP1QFE
Wdnsapi.dll5.2.3790.3092158,72019-Feb-200810:59x86SP1SP1QFE\WOW
Wdnsrslvr.dll5.2.3790.309245,56819-Feb-200810:59x86SP1SP1QFE\WOW
Dnsapi.dll5.2.3790.4238306,17619-Feb-200811:30x64SP2SP2GDR
Dnsrslvr.dll5.2.3790.423879,36019-Feb-200811:30x64SP2SP2GDR
Wdnsapi.dll5.2.3790.4238160,76819-Feb-200811:30x86SP2SP2GDR\WOW
Wdnsrslvr.dll5.2.3790.423845,56819-Feb-200811:30x86SP2SP2GDR\WOW
Dnsapi.dll5.2.3790.4238306,68819-Feb-200810:59x64SP2SP2QFE
Dnsrslvr.dll5.2.3790.423879,36019-Feb-200810:59x64SP2SP2QFE
Wdnsapi.dll5.2.3790.4238160,76819-Feb-200810:59x86SP2SP2QFE\WOW
Wdnsrslvr.dll5.2.3790.423845,56819-Feb-200810:59x86SP2SP2QFE\WOW

For all supported 32-bit editions of Windows Server 2003

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File nameFile versionFile sizeDateTimePlatformSP requirementService branch
Dnsapi.dll5.2.3790.3092158,20818-Feb-200817:27x86SP1SP1GDR
Dnsrslvr.dll5.2.3790.309245,56818-Feb-200817:27x86SP1SP1GDR
Dnsapi.dll5.2.3790.3092158,72018-Feb-200817:20x86SP1SP1QFE
Dnsrslvr.dll5.2.3790.309245,56818-Feb-200817:20x86SP1SP1QFE
Dnsapi.dll5.2.3790.4238160,76818-Feb-200816:40x86SP2SP2GDR
Dnsrslvr.dll5.2.3790.423845,56819-Feb-200811:07x86SP2SP2GDR
Dnsapi.dll5.2.3790.4238160,76818-Feb-200818:25x86SP2SP2QFE
Dnsrslvr.dll5.2.3790.423845,56818-Feb-200818:25x86SP2SP2QFE

For all supported x64-based editions of Windows Server 2003

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File nameFile versionFile sizeDateTimePlatformSP requirementService branch
Dnsapi.dll5.2.3790.3092306,17619-Feb-200810:59x64SP1SP1GDR
Dnsrslvr.dll5.2.3790.309279,36019-Feb-200810:59x64SP1SP1GDR
Wdnsapi.dll5.2.3790.3092158,20819-Feb-200810:59x86SP1SP1GDR\WOW
Wdnsrslvr.dll5.2.3790.309245,56819-Feb-200810:59x86SP1SP1GDR\WOW
Dnsapi.dll5.2.3790.3092306,68819-Feb-200810:59x64SP1SP1QFE
Dnsrslvr.dll5.2.3790.309279,36019-Feb-200810:59x64SP1SP1QFE
Wdnsapi.dll5.2.3790.3092158,72019-Feb-200810:59x86SP1SP1QFE\WOW
Wdnsrslvr.dll5.2.3790.309245,56819-Feb-200810:59x86SP1SP1QFE\WOW
Dnsapi.dll5.2.3790.4238306,17619-Feb-200811:30x64SP2SP2GDR
Dnsrslvr.dll5.2.3790.423879,36019-Feb-200811:30x64SP2SP2GDR
Wdnsapi.dll5.2.3790.4238160,76819-Feb-200811:30x86SP2SP2GDR\WOW
Wdnsrslvr.dll5.2.3790.423845,56819-Feb-200811:30x86SP2SP2GDR\WOW
Dnsapi.dll5.2.3790.4238306,68819-Feb-200810:59x64SP2SP2QFE
Dnsrslvr.dll5.2.3790.423879,36019-Feb-200810:59x64SP2SP2QFE
Wdnsapi.dll5.2.3790.4238160,76819-Feb-200810:59x86SP2SP2QFE\WOW
Wdnsrslvr.dll5.2.3790.423845,56819-Feb-200810:59x86SP2SP2QFE\WOW

For all supported Itanium-based editions of Windows Server 2003

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File nameFile versionFile sizeDateTimePlatformSP requirementService branch
Dnsapi.dll5.2.3790.3092438,27219-Feb-200811:02IA-64SP1SP1GDR
Dnsrslvr.dll5.2.3790.3092129,02419-Feb-200811:02IA-64SP1SP1GDR
Wdnsapi.dll5.2.3790.3092158,20819-Feb-200811:02x86SP1SP1GDR\WOW
Wdnsrslvr.dll5.2.3790.309245,56819-Feb-200811:02x86SP1SP1GDR\WOW
Dnsapi.dll5.2.3790.3092438,27219-Feb-200811:02IA-64SP1SP1QFE
Dnsrslvr.dll5.2.3790.3092129,02419-Feb-200811:02IA-64SP1SP1QFE
Wdnsapi.dll5.2.3790.3092158,72019-Feb-200811:03x86SP1SP1QFE\WOW
Wdnsrslvr.dll5.2.3790.309245,56819-Feb-200811:03x86SP1SP1QFE\WOW
Dnsapi.dll5.2.3790.4238438,27219-Feb-200811:20IA-64SP2SP2GDR
Dnsrslvr.dll5.2.3790.4238129,02419-Feb-200811:20IA-64SP2SP2GDR
Wdnsapi.dll5.2.3790.4238160,76819-Feb-200811:20x86SP2SP2GDR\WOW
Wdnsrslvr.dll5.2.3790.423845,56819-Feb-200811:20x86SP2SP2GDR\WOW
Dnsapi.dll5.2.3790.4238438,27219-Feb-200811:01IA-64SP2SP2QFE
Dnsrslvr.dll5.2.3790.4238129,02419-Feb-200811:01IA-64SP2SP2QFE
Wdnsapi.dll5.2.3790.4238160,76819-Feb-200811:01x86SP2SP2QFE\WOW
Wdnsrslvr.dll5.2.3790.423845,56819-Feb-200811:01x86SP2SP2QFE\WOW

For all supported 32-bit editions of Windows Vista

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File nameFile versionFile sizeDateTimePlatform
Update-bf.mumNot Applicable1,96517-Dec-200721:43Not Applicable
X86_2eab2598394925b96c8961609ae8b96d_31bf3856ad364e35_6.0.6000.16615_none_f45f001845cac2d4.manifestNot Applicable69817-Dec-200721:43Not Applicable
X86_634306107e5383092982848105b6e394_31bf3856ad364e35_6.0.6000.20740_none_1ba814db547b83d5.manifestNot Applicable69817-Dec-200721:43Not Applicable
X86_microsoft-windows-dns-client_31bf3856ad364e35_6.0.6000.16615_none_dff66fbd85366d1e.manifestNot Applicable28,22316-Dec-200723:13Not Applicable
X86_microsoft-windows-dns-client_31bf3856ad364e35_6.0.6000.20740_none_e05a9b529e70e208.manifestNot Applicable28,22316-Dec-200723:16Not Applicable
Dnsapi.dll6.0.6000.16615162,81616-Dec-200711:42x86
Dnscacheugc.exe6.0.6000.1661524,57616-Dec-200711:41x86
Dnsrslvr.dll6.0.6000.1661583,96816-Dec-200711:42x86
Dnsapi.dll6.0.6000.20740162,81616-Dec-200711:49x86
Dnscacheugc.exe6.0.6000.2074024,57616-Dec-200709:41x86
Dnsrslvr.dll6.0.6000.2074084,48016-Dec-200711:49x86

For all supported x64-based editions of Windows Vista

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File nameFile versionFile sizeDateTimePlatform
Amd64_3c3a1b3043595bfb6b094c17556703ee_31bf3856ad364e35_6.0.6000.20740_none_a25cc727ef4e638e.manifestNot Applicable70217-Dec-200721:43Not Applicable
Amd64_956f9cd70e18dfb3283d0ddf788ac249_31bf3856ad364e35_6.0.6000.16615_none_4f2ad4e1ab52bcf5.manifestNot Applicable70217-Dec-200721:43Not Applicable
Amd64_9df4bf50cc2777281cde7a487f5f3f4c_31bf3856ad364e35_6.0.6000.20740_none_211966c3b6e6347a.manifestNot Applicable70217-Dec-200721:43Not Applicable
Amd64_c0d696e05420d5a77c01f7660a5e5a77_31bf3856ad364e35_6.0.6000.16615_none_44bf7047e619a83e.manifestNot Applicable70217-Dec-200721:43Not Applicable
Amd64_microsoft-windows-dns-client_31bf3856ad364e35_6.0.6000.16615_none_3c150b413d93de54.manifestNot Applicable28,25116-Dec-200723:20Not Applicable
Amd64_microsoft-windows-dns-client_31bf3856ad364e35_6.0.6000.20740_none_3c7936d656ce533e.manifestNot Applicable28,25117-Dec-200708:40Not Applicable
Package_1_for_kb945553_bf~31bf3856ad364e35~amd64~~6.0.1.0.mumNot Applicable1,76617-Dec-200721:43Not Applicable
Package_1_for_kb945553~31bf3856ad364e35~amd64~~6.0.1.0.mumNot Applicable3,64417-Dec-200721:43Not Applicable
Package_2_for_kb945553_bf~31bf3856ad364e35~amd64~~6.0.1.0.mumNot Applicable1,97917-Dec-200721:43Not Applicable
Package_2_for_kb945553~31bf3856ad364e35~amd64~~6.0.1.0.mumNot Applicable3,86117-Dec-200721:43Not Applicable
Update-bf.mumNot Applicable1,89917-Dec-200721:43Not Applicable
Wow64_microsoft-windows-dns-client_31bf3856ad364e35_6.0.6000.16615_none_4669b59371f4a04f.manifestNot Applicable27,37616-Dec-200723:06Not Applicable
Wow64_microsoft-windows-dns-client_31bf3856ad364e35_6.0.6000.20740_none_46cde1288b2f1539.manifestNot Applicable27,37616-Dec-200723:12Not Applicable
Dnsapi.dll6.0.6000.16615217,60016-Dec-200712:46x64
Dnscacheugc.exe6.0.6000.1661527,64816-Dec-200712:45x64
Dnsrslvr.dll6.0.6000.16615114,17616-Dec-200712:46x64
Dnsapi.dll6.0.6000.20740217,60017-Dec-200708:14x64
Dnscacheugc.exe6.0.6000.2074027,64817-Dec-200705:47x64
Dnsrslvr.dll6.0.6000.20740114,68817-Dec-200708:14x64
Dnsapi.dll6.0.6000.16615162,81616-Dec-200711:42x86
Dnscacheugc.exe6.0.6000.1661524,57616-Dec-200711:41x86
Dnsapi.dll6.0.6000.20740162,81616-Dec-200711:49x86
Dnscacheugc.exe6.0.6000.2074024,57616-Dec-200709:41x86
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APPLIES TO
  • Microsoft Windows Server 2003 R2 Standard Edition (32-bit x86)
  • Microsoft Windows Server 2003 R2 Enterprise Edition (32-Bit x86)
  • Microsoft Windows Server 2003 R2 Datacenter Edition (32-Bit x86)
  • Microsoft Windows Server 2003 R2 Standard x64 Edition
  • Microsoft Windows Server 2003 R2 Enterprise x64 Edition
  • Microsoft Windows Server 2003 R2 Datacenter x64 Edition
  • Microsoft Windows Server 2003, Standard x64 Edition
  • Microsoft Windows Server 2003, Enterprise x64 Edition
  • Microsoft Windows Server 2003, Datacenter x64 Edition
  • Microsoft Windows Server 2003 Service Pack 1, when used with:
    • Microsoft Windows Server 2003, Standard Edition (32-bit x86)
    • Microsoft Windows Server 2003, Enterprise Edition (32-bit x86)
    • Microsoft Windows Server 2003, Datacenter Edition (32-bit x86)
    • Microsoft Windows Server 2003, Web Edition
    • Microsoft Windows Server 2003, Enterprise Edition for Itanium-based Systems
    • Microsoft Windows Server 2003, Datacenter Edition for Itanium-Based Systems
    • Microsoft Windows Small Business Server 2003 Standard Edition
  • Microsoft Windows Server 2003 Service Pack 2, when used with:
    • Microsoft Windows Server 2003, Standard Edition (32-bit x86)
    • Microsoft Windows Server 2003, Enterprise Edition (32-bit x86)
    • Microsoft Windows Server 2003, Datacenter Edition (32-bit x86)
    • Microsoft Windows Server 2003, Web Edition
    • Microsoft Windows Server 2003, Enterprise Edition for Itanium-based Systems
    • Microsoft Windows Server 2003, Datacenter Edition for Itanium-Based Systems
    • Microsoft Windows Server 2003, Standard x64 Edition
    • Microsoft Windows Server 2003, Enterprise x64 Edition
    • Microsoft Windows Server 2003, Datacenter x64 Edition
    • Microsoft Windows Server 2003 R2 Standard Edition (32-bit x86)
    • Microsoft Windows Server 2003 R2 Enterprise Edition (32-Bit x86)
    • Microsoft Windows Server 2003 R2 Datacenter Edition (32-Bit x86)
    • Microsoft Windows Server 2003 R2 Standard x64 Edition
    • Microsoft Windows Server 2003 R2 Enterprise x64 Edition
    • Microsoft Windows Server 2003 R2 Datacenter x64 Edition
  • Microsoft Windows Server 2003, Standard Edition (32-bit x86)
  • Microsoft Windows Server 2003, Enterprise Edition (32-bit x86)
  • Microsoft Windows Server 2003, Datacenter Edition (32-bit x86)
  • Microsoft Windows Server 2003, Web Edition
  • Microsoft Windows Small Business Server 2003 Standard Edition
  • Microsoft Windows Server 2003, Datacenter Edition for Itanium-Based Systems
  • Microsoft Windows Server 2003, Enterprise Edition for Itanium-based Systems
  • Microsoft Windows XP Media Center Edition 2005
  • Microsoft Windows XP Professional x64 Edition
  • Microsoft Windows XP Service Pack 2, when used with:
    • Microsoft Windows XP Professional
    • Microsoft Windows XP Home Edition
    • Microsoft Windows XP Professional x64 Edition
  • Microsoft Small Business Server 2000 Standard Edition
  • Windows Vista Ultimate
  • Windows Vista Enterprise
  • Windows Vista Business
  • Windows Vista Home Premium
  • Windows Vista Home Basic
  • Windows Vista Starter
  • Windows Vista Ultimate 64-bit Edition
  • Windows Vista Enterprise 64-bit Edition
  • Windows Vista Home Premium 64-bit Edition
  • Windows Vista Home Basic 64-bit Edition
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Keywords: 
kbfix kbbug kbsecvulnerability kbsecbulletin kbsecurity kbqfe kbexpertisebeginner KB945553
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