Article ID: 2478960 - Last Review: April 28, 2011 - Revision: 4.0

MS11-014: Vulnerability in Local Security Authority Subsystem Service could allow local elevation of privilege

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INTRODUCTION

Microsoft has released security bulletin MS11-014. To view the complete security bulletin, visit one of the following Microsoft websites:

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 website:
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 email support or to unlimited individual chat support by visiting the following Microsoft website:
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.

MORE INFORMATION

Known issues with this security update

  • After you install this security update on a Windows Server 2003-based computer, you may receive an authentication failure when you use certain third-party applications or services. For example, some third-party server message block (SMB) clients encounter an authentication failure.

    To resolve this issue, install hotfix 2536720. For more information, click the following article number to view the article in the Microsoft Knowledge Base:
    2536720  (http://support.microsoft.com/kb/2536720/ ) Third-party applications or services encounter an authentication failure when security update 2478960 is installed in Windows Server 2003

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 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

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File nameFile versionFile sizeDateTimePlatformSP requirementService branch
Lsasrv.dll5.1.2600.6058730,11220-Dec-201017:26x86SP3SP3GDR
Lsasrv.dll5.1.2600.6058730,11220-Dec-201017:24x86SP3SP3QFE

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

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File nameFile versionFile sizeDateTimePlatformSP requirementService branch
Lsasrv.dll5.2.3790.48061,570,81621-Dec-201002:17x64SP2SP2GDR
Lsasrv.dll5.2.3790.48061,572,35221-Dec-201002:15x64SP2SP2QFE

For all supported x86-based versions of Windows Server 2003

Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatformSP requirementService branch
Lsasrv.dll5.2.3790.4806817,66420-Dec-201012:38x86SP2SP2GDR
Lsasrv.dll5.2.3790.4806819,20020-Dec-201012:39x86SP2SP2QFE

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

Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatformSP requirementService branch
Lsasrv.dll5.2.3790.48062,170,36821-Dec-201002:19IA-64SP2SP2GDR
Lsasrv.dll5.2.3790.48062,172,92821-Dec-201002:16IA-64SP2SP2QFE

APPLIES TO
  • 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, Datacenter x64 Edition
    • Microsoft Windows Server 2003, Enterprise x64 Edition
    • Microsoft Windows Server 2003, Standard x64 Edition
    • Microsoft Windows XP Professional x64 Edition
    • Microsoft Windows Server 2003, Datacenter Edition for Itanium-Based Systems
    • Microsoft Windows Server 2003, Enterprise Edition for Itanium-based Systems
  • Microsoft Windows XP Service Pack 3, when used with:
    • Microsoft Windows XP Home Edition
    • Microsoft Windows XP Professional
Keywords: 
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