MS08-066: Vulnerability in the Microsoft Ancillary Function driver could allow elevation of privilege

Applies To

Microsoft Windows Server 2003 Service Pack 1 Microsoft Windows XP Professional x64 Edition Microsoft Windows Server 2003 Service Pack 2 Microsoft Windows XP Professional x64 Edition Microsoft Windows XP Service Pack 2 Microsoft Windows XP Home Edition Microsoft Windows XP Professional Microsoft Windows XP Service Pack 3 Microsoft Windows XP Home Edition Microsoft Windows XP Professional

INTRODUCTION

Microsoft has released security bulletin MS08-066. To view the complete security bulletin, visit one of the following Microsoft Web sites:

Home users:
http:⁠//www.microsoft.com/protect/computer/updates/bulletins/200810.mspx Skip the details: Download the updates for your home computer or laptop from the Microsoft Update Web site now:

http:⁠//update.microsoft.com/microsoftupdate
IT professionals:
http:⁠//www.microsoft.com/technet/security/bulletin/ms08-066.mspx

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

Known issue with this security update

After you install this security update on a Windows XP-based computer or on a Windows Server 2003-based computer that is running ZoneAlarm, you may be unable to connect to the Internet.

This issue may occur when you run the ZoneAlarm versions that are listed in the following table.

Application	Version number range
Zone Alarm Internet Security Suite	6.5.645.000–7.0.482.000
Zone Alarm Pro	6.5.645.000–7.0.482.000
Zone Alarm Anti Virus	6.5.645.000–7.0.482.000
Zone Alarm Anti-Spyware	6.5.645.000–7.0.482.000
Zone Alarm Basic Firewall	6.5.645.000–7.0.482.000
EndPoint Security	6.5.645.000–7.0.865.000 (excluding 7.0.843.0007 and 7.0.866.000)

To resolve this issue, install update 958752.

For more information, click the following article number to view the article in the Microsoft Knowledge Base:

958752 The version of AFD.SYS that is released together with security update 956189 (MS08-037) and security update 956803 (MS08-066) has an application compatibility issue

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 notes

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 name	File version	File size	Date	Time	Platform	SP requirement	Service branch
Afd.sys	5.1.2600.3427	138,368	14-Aug-2008	09:51	x86	SP2	SP2GDR
Afd.sys	5.1.2600.3427	138,368	14-Aug-2008	09:48	x86	SP2	SP2QFE
Afd.sys	5.1.2600.5657	138,496	14-Aug-2008	10:04	x86	SP3	SP3GDR
Afd.sys	5.1.2600.5657	138,496	14-Aug-2008	10:34	x86	SP3	SP3QFE

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

File name	File version	File size	Date	Time	Platform	SP requirement	Service branch
Afd.sys	5.2.3790.3192	299,008	15-Aug-2008	01:31	x64	SP1	SP1GDR
Afd.sys	5.2.3790.3192	299,520	15-Aug-2008	01:31	x64	SP1	SP1QFE
Afd.sys	5.2.3790.4355	291,840	15-Aug-2008	01:36	x64	SP2	SP2GDR
Afd.sys	5.2.3790.4355	292,352	15-Aug-2008	01:31	x64	SP2	SP2QFE

For all supported x86-based versions of Windows Server 2003

File name	File version	File size	Date	Time	Platform	SP requirement	Service branch
Afd.sys	5.2.3790.3192	150,528	14-Aug-2008	09:51	x86	SP1	SP1GDR
Afd.sys	5.2.3790.3192	153,088	14-Aug-2008	10:17	x86	SP1	SP1QFE
Afd.sys	5.2.3790.4355	150,528	14-Aug-2008	10:48	x86	SP2	SP2GDR
Afd.sys	5.2.3790.4355	150,528	14-Aug-2008	11:08	x86	SP2	SP2QFE

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

File name	File version	File size	Date	Time	Platform	SP requirement	Service branch
Afd.sys	5.2.3790.3192	582,656	15-Aug-2008	01:31	IA-64	SP1	SP1GDR
Afd.sys	5.2.3790.3192	584,192	15-Aug-2008	01:31	IA-64	SP1	SP1QFE
Afd.sys	5.2.3790.4355	583,680	15-Aug-2008	01:35	IA-64	SP2	SP2GDR
Afd.sys	5.2.3790.4355	584,192	15-Aug-2008	01:31	IA-64	SP2	SP2QFE

The third-party products that this article discusses are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, about the performance or reliability of these products.