Security update for the Windows CLFS elevation of privilege vulnerability in Windows Server 2008: August 8, 2017

2017-08-08T07:00:00
ID KB4034745
Type mskb
Reporter Microsoft
Modified 2017-08-08T07:00:00

Description

None

Summary

An elevation of privilege vulnerability exists when the Windows Common Log File System (CLFS) driver improperly handles objects in memory.

To learn more about the vulnerability, go to CVE-2017-8624.

More Information

Important

  • If you install a language pack after you install this update, you must reinstall this update. Therefore, we recommend that you install any language packs that you need before you install this update. For more information, see Add language packs to Windows.

How to obtain and install the update

Method 1: Windows Update

This update is available through Windows Update. When you turn on automatic updating, this update will be downloaded and installed automatically. For more information about how to turn on automatic updating, see Windows Update: FAQ.

Method 2: Microsoft Update Catalog

To get the stand-alone package for this update, go to the Microsoft Update Catalog website.

Deployment information

For deployment details for this security update, go to the following article in the Microsoft Knowledge Base:
Security update deployment information: August 8, 2017

More Information

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 together with your current daylight-saving time (DST) bias. Additionally, the dates and the times may change when you perform certain operations on the files.

Windows Server 2008 file information

Note: The MANIFEST files (.manifest) and MUM files (.mum) that are installed are not listed.

How to obtain help and support for this security update

Help for installing updates: Windows Update: FAQ

Security solutions for IT professionals: TechNet Security Support and Troubleshooting

Help for protecting your Windows-based computer from viruses and malware: Microsoft Secure

Local support according to your country: International Support

File Information

File hash information

File name| SHA1 hash| SHA256 hash
---|---|---
Windows6.0-KB4034745-ia64.msu| 2AE3C3DB0F9F507937E46BAA2E2137628FB7CC3B| 47ED19B3CA2C9D69D272C3AC8130FC033AF186638441F03EDD33774A96901E84
Windows6.0-KB4034745-x64.msu| 666A717FAB184BFD178888133CF918F91F31C442| 5D190AD1009254B3D63C96D64BFAC2F00F13BA857BE23486C010FE76017F1DF1
Windows6.0-KB4034745-x86.msu| B5F696217B5AB1F34978975F2F2194B239237DCB| C9E2F13397F97B414E1AD17F1E0F666E908EFDC25A79DF54CF6C43EF06C2C799

For all supported ia64-based versions

File name| File version| File size| Date| Time| Platform
---|---|---|---|---|---
Clfs.mof| Not applicable| 3,472| 03-Jan-2008| 18:57| Not applicable
Clfs.sys| 6.0.6002.19837| 841,448| 12-Jul-2017| 16:15| IA-64
Clfsuninstall.mof| Not applicable| 123| 03-Jan-2008| 18:57| Not applicable
Clfs.mof| Not applicable| 3,472| 07-Mar-2016| 23:36| Not applicable
Clfs.sys| 6.0.6002.24158| 841,448| 12-Jul-2017| 15:41| IA-64
Clfsuninstall.mof| Not applicable| 123| 07-Mar-2016| 23:36| Not applicable

For all supported x64-based versions

File name| File version| File size| Date| Time| Platform
---|---|---|---|---|---
Clfs.mof| Not applicable| 3,472| 18-Sep-2006| 21:36| Not applicable
Clfs.sys| 6.0.6002.19837| 364,776| 12-Jul-2017| 16:54| x64
Clfsuninstall.mof| Not applicable| 123| 18-Sep-2006| 21:36| Not applicable
Clfs.mof| Not applicable| 3,472| 07-Mar-2016| 23:37| Not applicable
Clfs.sys| 6.0.6002.24158| 364,776| 12-Jul-2017| 16:11| x64
Clfsuninstall.mof| Not applicable| 123| 07-Mar-2016| 23:37| Not applicable

For all supported x86-based versions

File name| File version| File size| Date| Time| Platform
---|---|---|---|---|---
Clfs.mof| Not applicable| 3,472| 18-Sep-2006| 21:38| Not applicable
Clfs.sys| 6.0.6002.19837| 244,968| 12-Jul-2017| 16:37| x86
Clfsuninstall.mof| Not applicable| 123| 18-Sep-2006| 21:39| Not applicable
Clfs.mof| Not applicable| 3,472| 07-Mar-2016| 23:37| Not applicable
Clfs.sys| 6.0.6002.24158| 244,968| 12-Jul-2017| 15:53| x86
Clfsuninstall.mof| Not applicable| 123| 07-Mar-2016| 23:37| Not applicable