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  2. MS15-041: Description of the security update for the .NET Framework 3.5 on Windows 8.1 and Windows Server 2012 R2: April 14, 2015

MS15-041: Description of the security update for the .NET Framework 3.5 on Windows 8.1 and Windows Server 2012 R2: April 14, 2015

Introduction

This update resolves a vulnerability in the Microsoft .NET Framework that could allow information disclosure if an attacker sends a specially crafted web request to an affected server that has custom error messages disabled. An attacker who successfully exploits the vulnerability would be able to view parts of a web configuration file that could expose sensitive information.

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Summary

Microsoft has released security bulletin MS15-041. Learn more about how to obtain the fixes that are included in this security bulletin: 

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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 Windows-based computer from viruses and malware: Virus Solution and Security Center

Local support according to your country: International Support

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More information about this security update

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Download information

To install this update, install it from Microsoft Windows Update.

Additionally, you can install this update from the Microsoft Download Center.

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Command-line switches for this update

Learn about the various command-line switches that are supported by this Microsoft .NET Framework update.

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Restart information

This update does not require a system restart after you apply it unless files that are being updated are locked or are being used.

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Update replacement information

This update replaces the following update:

2901125 MS14-009: Description of the security update for the .NET Framework 3.5 for Windows 8.1 and Windows Server 2012 R2: February 11, 2014


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Update removal information

Note We do not recommend that you remove any security update.

To remove this update, use the Programs and Features item in Control Panel.

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File information
The English (United States) version of this update installs files that have the attributes that are listed in the following tables. The dates and the times for these files are listed in Coordinated Universal Time (UTC). The dates and the 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.

For all supported x86-based versions of systems
GDR service branch
File nameFile versionFile sizeDateTime
system.web.mobile.resources.dll2.0.50727.790540,96006-Dec-201401:31
system.web.mobile.resources.dll2.0.50727.790536,86406-Dec-201401:29
system.web.mobile.resources.dll2.0.50727.790581,92006-Dec-201401:31
system.web.mobile.resources.dll2.0.50727.790549,15206-Dec-201401:27
system.web.mobile.resources.dll2.0.50727.790577,82406-Dec-201401:30
system.web.mobile.resources.dll2.0.50727.790536,86406-Dec-201401:28
system.web.mobile.resources.dll2.0.50727.790581,92006-Dec-201401:31
system.web.mobile.resources.dll2.0.50727.790540,96006-Dec-201401:31
system.web.mobile.resources.dll2.0.50727.790577,82406-Dec-201401:31
system.web.mobile.resources.dll2.0.50727.790586,01606-Dec-201401:31
system.web.mobile.resources.dll2.0.50727.790581,92006-Dec-201401:31
system.web.mobile.resources.dll2.0.50727.790536,86406-Dec-201401:30
system.web.mobile.resources.dll2.0.50727.790540,96006-Dec-201401:29
system.web.mobile.resources.dll2.0.50727.790540,96006-Dec-201401:29
system.web.mobile.resources.dll2.0.50727.790540,96006-Dec-201401:29
system.web.mobile.resources.dll2.0.50727.790540,96006-Dec-201401:29
system.web.mobile.resources.dll2.0.50727.790545,05606-Dec-201401:29
system.web.mobile.resources.dll2.0.50727.790536,86406-Dec-201401:29
system.web.mobile.resources.dll2.0.50727.790536,86406-Dec-201401:30
system.web.mobile.resources.dll2.0.50727.790573,72806-Dec-201401:31
system.web.mobile.resources.dll2.0.50727.790573,72806-Dec-201401:31
system.web.mobile.dll2.0.50727.8015835,58407-Feb-201522:05
system.web.regularexpressions.dll2.0.50727.801598,30407-Feb-201522:05
system.web.resources.dll2.0.50727.7905679,93606-Dec-201401:28
system.web.resources.dll2.0.50727.7905606,20806-Dec-201401:31
system.web.resources.dll2.0.50727.7905593,92006-Dec-201401:29
system.web.resources.dll2.0.50727.7905622,59206-Dec-201401:31
system.web.resources.dll2.0.50727.7905815,10406-Dec-201401:27
system.web.resources.dll2.0.50727.7905614,40006-Dec-201401:30
system.web.resources.dll2.0.50727.7905585,72806-Dec-201401:28
system.web.resources.dll2.0.50727.7905618,49606-Dec-201401:31
system.web.resources.dll2.0.50727.7905647,16806-Dec-201401:28
system.web.resources.dll2.0.50727.7905630,78406-Dec-201401:31
system.web.resources.dll2.0.50727.7905610,30406-Dec-201401:31
system.web.resources.dll2.0.50727.7905671,74406-Dec-201401:31
system.web.resources.dll2.0.50727.7905622,59206-Dec-201401:31
system.web.resources.dll2.0.50727.7905577,53606-Dec-201401:30
system.web.resources.dll2.0.50727.7905626,68806-Dec-201401:29
system.web.resources.dll2.0.50727.7905606,20806-Dec-201401:29
system.web.resources.dll2.0.50727.7905602,11206-Dec-201401:29
system.web.resources.dll2.0.50727.7905606,20806-Dec-201401:29
system.web.resources.dll2.0.50727.7905753,66406-Dec-201401:29
system.web.resources.dll2.0.50727.7905589,82406-Dec-201401:29
system.web.resources.dll2.0.50727.7905598,01606-Dec-201401:30
system.web.resources.dll2.0.50727.7905552,96006-Dec-201401:31
system.web.resources.dll2.0.50727.7905557,05606-Dec-201401:31
aspnet_wp.exe2.0.50727.801531,37607-Feb-201522:05
webengine.dll2.0.50727.8015437,39207-Feb-201522:05
system.web.dll2.0.50727.80155,287,93607-Feb-201522:05
LDR service branch
File nameFile versionFile sizeDateTime
system.web.mobile.resources.dll2.0.50727.790540,96031-Dec-201423:14
system.web.mobile.resources.dll2.0.50727.790536,86431-Dec-201423:14
system.web.mobile.resources.dll2.0.50727.790581,92031-Dec-201423:14
system.web.mobile.resources.dll2.0.50727.790549,15231-Dec-201423:14
system.web.mobile.resources.dll2.0.50727.790577,82431-Dec-201423:15
system.web.mobile.resources.dll2.0.50727.790536,86403-Jan-201501:13
system.web.mobile.resources.dll2.0.50727.790581,92003-Jan-201501:15
system.web.mobile.resources.dll2.0.50727.790540,96003-Jan-201501:15
system.web.mobile.resources.dll2.0.50727.790577,82403-Jan-201501:14
system.web.mobile.resources.dll2.0.50727.790586,01603-Jan-201501:14
system.web.mobile.resources.dll2.0.50727.790581,92003-Jan-201501:14
system.web.mobile.resources.dll2.0.50727.790536,86403-Jan-201501:13
system.web.mobile.resources.dll2.0.50727.790540,96003-Jan-201501:14
system.web.mobile.resources.dll2.0.50727.790540,96031-Dec-201423:14
system.web.mobile.resources.dll2.0.50727.790540,96031-Dec-201423:17
system.web.mobile.resources.dll2.0.50727.790540,96031-Dec-201423:16
system.web.mobile.resources.dll2.0.50727.790545,05631-Dec-201423:16
system.web.mobile.resources.dll2.0.50727.790536,86431-Dec-201423:17
system.web.mobile.resources.dll2.0.50727.790536,86431-Dec-201423:14
system.web.mobile.resources.dll2.0.50727.790573,72831-Dec-201423:15
system.web.mobile.resources.dll2.0.50727.790573,72831-Dec-201423:15
system.web.mobile.dll2.0.50727.8653835,58406-Feb-201523:07
system.web.regularexpressions.dll2.0.50727.865398,30406-Feb-201523:07
system.web.resources.dll2.0.50727.7905679,93603-Jan-201501:11
system.web.resources.dll2.0.50727.7905606,20831-Dec-201423:14
system.web.resources.dll2.0.50727.7905593,92031-Dec-201423:14
system.web.resources.dll2.0.50727.7905622,59231-Dec-201423:14
system.web.resources.dll2.0.50727.7905815,10431-Dec-201423:14
system.web.resources.dll2.0.50727.7905614,40031-Dec-201423:15
system.web.resources.dll2.0.50727.7905585,72803-Jan-201501:13
system.web.resources.dll2.0.50727.7905618,49603-Jan-201501:15
system.web.resources.dll2.0.50727.7905647,16803-Jan-201501:11
system.web.resources.dll2.0.50727.7905630,78403-Jan-201501:15
system.web.resources.dll2.0.50727.7905610,30403-Jan-201501:14
system.web.resources.dll2.0.50727.7905671,74403-Jan-201501:14
system.web.resources.dll2.0.50727.7905622,59203-Jan-201501:14
system.web.resources.dll2.0.50727.7905577,53603-Jan-201501:13
system.web.resources.dll2.0.50727.7905626,68803-Jan-201501:14
system.web.resources.dll2.0.50727.7905606,20831-Dec-201423:14
system.web.resources.dll2.0.50727.7905602,11231-Dec-201423:17
system.web.resources.dll2.0.50727.7905606,20831-Dec-201423:16
system.web.resources.dll2.0.50727.7905753,66431-Dec-201423:16
system.web.resources.dll2.0.50727.7905589,82431-Dec-201423:17
system.web.resources.dll2.0.50727.7905598,01631-Dec-201423:14
system.web.resources.dll2.0.50727.7905552,96031-Dec-201423:15
system.web.resources.dll2.0.50727.7905557,05631-Dec-201423:15
aspnet_wp.exe2.0.50727.865331,37606-Feb-201523:07
webengine.dll2.0.50727.8653437,40006-Feb-201523:07
system.web.dll2.0.50727.86535,287,93606-Feb-201523:07
For all supported x64-based versions of systems
GDR service branch
File nameFile versionFile sizeDateTime
aspnet_wp.exe2.0.50727.801543,16007-Feb-201522:05
system.web.mobile.dll2.0.50727.8015835,58407-Feb-201522:05
system.web.regularexpressions.dll2.0.50727.801598,30407-Feb-201522:05
webengine.dll2.0.50727.8015746,64007-Feb-201522:05
system.web.dll2.0.50727.80155,296,12807-Feb-201522:05
system.web.mobile.resources.dll2.0.50727.790540,96006-Dec-201401:31
system.web.mobile.resources.dll2.0.50727.790536,86406-Dec-201401:29
system.web.mobile.resources.dll2.0.50727.790581,92006-Dec-201401:31
system.web.mobile.resources.dll2.0.50727.790549,15206-Dec-201401:27
system.web.mobile.resources.dll2.0.50727.790577,82406-Dec-201401:30
system.web.mobile.resources.dll2.0.50727.790536,86406-Dec-201401:28
system.web.mobile.resources.dll2.0.50727.790581,92006-Dec-201401:32
system.web.mobile.resources.dll2.0.50727.790540,96006-Dec-201401:32
system.web.mobile.resources.dll2.0.50727.790577,82406-Dec-201401:32
system.web.mobile.resources.dll2.0.50727.790586,01606-Dec-201401:32
system.web.mobile.resources.dll2.0.50727.790581,92006-Dec-201401:32
system.web.mobile.resources.dll2.0.50727.790536,86406-Dec-201401:31
system.web.mobile.resources.dll2.0.50727.790540,96006-Dec-201401:28
system.web.mobile.resources.dll2.0.50727.790540,96006-Dec-201401:30
system.web.mobile.resources.dll2.0.50727.790540,96006-Dec-201401:30
system.web.mobile.resources.dll2.0.50727.790540,96006-Dec-201401:30
system.web.mobile.resources.dll2.0.50727.790545,05606-Dec-201401:30
system.web.mobile.resources.dll2.0.50727.790536,86406-Dec-201401:30
system.web.mobile.resources.dll2.0.50727.790536,86406-Dec-201401:30
system.web.mobile.resources.dll2.0.50727.790573,72806-Dec-201401:31
system.web.mobile.resources.dll2.0.50727.790573,72806-Dec-201401:31
system.web.mobile.dll2.0.50727.8015835,58407-Feb-201522:05
system.web.regularexpressions.dll2.0.50727.801598,30407-Feb-201522:05
system.web.resources.dll2.0.50727.7905679,93606-Dec-201401:28
system.web.resources.dll2.0.50727.7905606,20806-Dec-201401:31
system.web.resources.dll2.0.50727.7905593,92006-Dec-201401:29
system.web.resources.dll2.0.50727.7905622,59206-Dec-201401:31
system.web.resources.dll2.0.50727.7905815,10406-Dec-201401:27
system.web.resources.dll2.0.50727.7905614,40006-Dec-201401:30
system.web.resources.dll2.0.50727.7905585,72806-Dec-201401:28
system.web.resources.dll2.0.50727.7905618,49606-Dec-201401:32
system.web.resources.dll2.0.50727.7905647,16806-Dec-201401:28
system.web.resources.dll2.0.50727.7905630,78406-Dec-201401:32
system.web.resources.dll2.0.50727.7905610,30406-Dec-201401:32
system.web.resources.dll2.0.50727.7905671,74406-Dec-201401:32
system.web.resources.dll2.0.50727.7905622,59206-Dec-201401:32
system.web.resources.dll2.0.50727.7905577,53606-Dec-201401:31
system.web.resources.dll2.0.50727.7905626,68806-Dec-201401:28
system.web.resources.dll2.0.50727.7905606,20806-Dec-201401:30
system.web.resources.dll2.0.50727.7905602,11206-Dec-201401:30
system.web.resources.dll2.0.50727.7905606,20806-Dec-201401:30
system.web.resources.dll2.0.50727.7905753,66406-Dec-201401:30
system.web.resources.dll2.0.50727.7905589,82406-Dec-201401:30
system.web.resources.dll2.0.50727.7905598,01606-Dec-201401:30
system.web.resources.dll2.0.50727.7905552,96006-Dec-201401:31
system.web.resources.dll2.0.50727.7905557,05606-Dec-201401:31
aspnet_wp.exe2.0.50727.801531,37607-Feb-201522:05
webengine.dll2.0.50727.8015437,39207-Feb-201522:05
system.web.dll2.0.50727.80155,287,93607-Feb-201522:05
LDR service branch
File nameFile versionFile sizeDateTime
aspnet_wp.exe2.0.50727.865343,15206-Feb-201523:09
system.web.mobile.dll2.0.50727.8653835,58406-Feb-201523:09
system.web.regularexpressions.dll2.0.50727.865398,30406-Feb-201523:09
webengine.dll2.0.50727.8653746,64006-Feb-201523:09
system.web.dll2.0.50727.86535,296,12806-Feb-201523:09
system.web.mobile.resources.dll2.0.50727.790540,96017-Dec-201423:08
system.web.mobile.resources.dll2.0.50727.790536,86417-Dec-201423:08
system.web.mobile.resources.dll2.0.50727.790581,92017-Dec-201423:08
system.web.mobile.resources.dll2.0.50727.790549,15217-Dec-201423:08
system.web.mobile.resources.dll2.0.50727.790577,82417-Dec-201423:08
system.web.mobile.resources.dll2.0.50727.790536,86412-Feb-201523:08
system.web.mobile.resources.dll2.0.50727.790581,92012-Feb-201523:09
system.web.mobile.resources.dll2.0.50727.790540,96012-Feb-201523:09
system.web.mobile.resources.dll2.0.50727.790577,82412-Feb-201523:10
system.web.mobile.resources.dll2.0.50727.790586,01612-Feb-201523:09
system.web.mobile.resources.dll2.0.50727.790581,92012-Feb-201523:10
system.web.mobile.resources.dll2.0.50727.790536,86412-Feb-201523:08
system.web.mobile.resources.dll2.0.50727.790540,96012-Feb-201523:09
system.web.mobile.resources.dll2.0.50727.790540,96016-Dec-201423:16
system.web.mobile.resources.dll2.0.50727.790540,96016-Dec-201423:15
system.web.mobile.resources.dll2.0.50727.790540,96016-Dec-201423:16
system.web.mobile.resources.dll2.0.50727.790545,05616-Dec-201423:15
system.web.mobile.resources.dll2.0.50727.790536,86416-Dec-201423:15
system.web.mobile.resources.dll2.0.50727.790536,86416-Dec-201423:15
system.web.mobile.resources.dll2.0.50727.790573,72817-Dec-201423:08
system.web.mobile.resources.dll2.0.50727.790573,72817-Dec-201423:08
system.web.mobile.dll2.0.50727.8653835,58406-Feb-201523:07
system.web.regularexpressions.dll2.0.50727.865398,30406-Feb-201523:07
system.web.resources.dll2.0.50727.7905679,93612-Feb-201523:08
system.web.resources.dll2.0.50727.7905606,20817-Dec-201423:08
system.web.resources.dll2.0.50727.7905593,92017-Dec-201423:08
system.web.resources.dll2.0.50727.7905622,59217-Dec-201423:08
system.web.resources.dll2.0.50727.7905815,10417-Dec-201423:08
system.web.resources.dll2.0.50727.7905614,40017-Dec-201423:08
system.web.resources.dll2.0.50727.7905585,72812-Feb-201523:08
system.web.resources.dll2.0.50727.7905618,49612-Feb-201523:09
system.web.resources.dll2.0.50727.7905647,16812-Feb-201523:07
system.web.resources.dll2.0.50727.7905630,78412-Feb-201523:09
system.web.resources.dll2.0.50727.7905610,30412-Feb-201523:10
system.web.resources.dll2.0.50727.7905671,74412-Feb-201523:09
system.web.resources.dll2.0.50727.7905622,59212-Feb-201523:10
system.web.resources.dll2.0.50727.7905577,53612-Feb-201523:08
system.web.resources.dll2.0.50727.7905626,68812-Feb-201523:09
system.web.resources.dll2.0.50727.7905606,20816-Dec-201423:16
system.web.resources.dll2.0.50727.7905602,11216-Dec-201423:15
system.web.resources.dll2.0.50727.7905606,20816-Dec-201423:16
system.web.resources.dll2.0.50727.7905753,66416-Dec-201423:15
system.web.resources.dll2.0.50727.7905589,82416-Dec-201423:15
system.web.resources.dll2.0.50727.7905598,01616-Dec-201423:15
system.web.resources.dll2.0.50727.7905552,96017-Dec-201423:08
system.web.resources.dll2.0.50727.7905557,05617-Dec-201423:08
aspnet_wp.exe2.0.50727.865331,37606-Feb-201523:07
webengine.dll2.0.50727.8653437,40006-Feb-201523:07
system.web.dll2.0.50727.86535,287,93606-Feb-201523:07

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Applies to

This article applies to the following:
  • Microsoft .NET Framework 3.5 when used with:
    • Windows Server 2012 R2
    • Windows 8.1

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Keywords: atdownload, kbbug, kbexpertiseinter, kbfix, kblangall, kbsecbulletin, kbsecreview, kbsecurity, kbsecvulnerability, kb, kbmustloc

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Article Info
Article ID : 3037576
Revision : 1
Created on : 1/7/2017
Published on : 4/14/2015
Exists online : False
Views : 374