MS15-034: Vulnerability in HTTP.sys could allow remote code execution: April 14, 2015

Summary
This security update resolves a vulnerability in Microsoft Windows. The vulnerability could allow remote code execution if an attacker sends a specially crafted HTTP request to an affected Windows system.The security update addresses the vulnerability by modifying how the Windows HTTP stack handles requests.
Introduction
Microsoft has released security bulletin MS15-034. To learn more about this security bulletin:

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

More information
Important All future security and non-security updates for Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2 require update 2919355 to be installed. We recommend that you install 2919355 on your Windows RT 8.1-based, Windows 8.1-based, or Windows Server 2012 R2-based computer in order to receive continued future updates.

Security update deployment information

Windows 7 (all editions)

Reference Table

The following table contains the security update information for this software.
Security update file nameFor all supported 32-bit editions of Windows 7:
Windows6.1-KB3042553-x86.msu

For all supported x64-based editions of Windows 7:
Windows6.1-KB3042553-x64.msu
Installation switchesSee Microsoft Knowledge Base Article 934307
Restart requirementYes, you must restart your system after you apply this security update.
Removal informationTo uninstall an update that is installed by WUSA, use the /Uninstall setup switch. Or, click Control Panel, click System and Security, and under Windows Update, click View installed updates, and then select from the list of updates.
File information See the file information section.
Registry key verificationNote A registry key does not exist to validate the presence of this update.

Windows Server 2008 R2 (all editions)

Reference Table

The following table contains the security update information for this software.
Security update file nameFor all supported x64-based editions of Windows Server 2008 R2:
Windows6.1-KB3042553-x64.msu

For all supported Itanium-based editions of Windows Server 2008 R2:
Windows6.1-KB3042553-ia64.msu
Installation switchesSee Microsoft Knowledge Base Article 934307
Restart requirementYes, you must restart your system after you apply this security update.
Removal informationTo uninstall an update that is installed by WUSA, use the /Uninstall setup switch. Or, click Control Panel, click System and Security, click Windows Update, and under See also, click Installed updates, and then select from the list of updates.
File information See the file information section.
Registry key verificationNote A registry key does not exist to validate the presence of this update.

Windows 8 and Windows 8.1 (all editions)

Reference Table

The following table contains the security update information for this software.
Security update file nameFor all supported 32-bit editions of Windows 8:
Windows8-RT-KB3042553-x86.msu

For all supported x64-based editions of Windows 8:
Windows8-RT-KB3042553-x64.msu

For all supported 32-bit editions of Windows 8.1:
Windows8.1-KB3042553-x86.msu

For all supported x64-based editions of Windows 8.1:
Windows8.1-KB3042553-x64.msu
Installation switchesSee Microsoft Knowledge Base Article 934307
Restart requirementYes, you must restart your system after you apply this security update.
Removal informationTo uninstall an update that is installed by WUSA, use the /Uninstall setup switch. Or, click Control Panel, click System and Security, click Windows Update, and under See also, click Installed updates, and then select from the list of updates.
File information See the file information section.
Registry key verificationNote A registry key does not exist to validate the presence of this update.

Windows Server 2012 and Windows Server 2012 R2 (all editions)

Reference Table

The following table contains the security update information for this software.
Security update file nameFor all supported editions of Windows Server 2012:
Windows8-RT-KB3042553-x64.msu

For all supported editions of Windows Server 2012 R2:
Windows8.1-KB3042553-x64.msu
Installation switchesSee Microsoft Knowledge Base Article 934307
Restart requirementYes, you must restart your system after you apply this security update.
Removal informationTo uninstall an update that is installed by WUSA, use the /Uninstall setup switch. Or, click Control Panel, click System and Security, click Windows Update, and under See also, click Installed updates, and then select from the list of updates.
File information See the file information section.
Registry key verificationNote A registry key does not exist to validate the presence of this update.
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 7 and Windows Server 2008 R2 file information

  • The files that apply to a specific product, milestone (RTM, SPn), and service branch (LDR, GDR) can be identified by examining the file version numbers as shown in the following table:
    VersionProductMilestoneService branch
    6.1.7601.18xxxWindows 7 and Windows Server 2008 R2SP1GDR
    6.1.7601.22xxxWindows 7 and Windows Server 2008 R2SP1LDR
  • GDR service branches contain only those fixes that are widely released to address widespread, critical issues. LDR service branches contain hotfixes in addition to widely released fixes.
Note The MANIFEST files (.manifest) and MUM files (.mum) that are installed are not listed.

For all supported x86-based versions of Windows 7

File nameFile versionFile sizeDateTimePlatform
Http.sys6.1.7601.18772514,56025-Feb-201503:03x86
Http.sys6.1.7601.22976514,56024-Feb-201505:59x86

For all supported x64-based versions of Windows 7 and Windows Server 2008 R2

File nameFile versionFile sizeDateTimePlatform
Http.sys6.1.7601.18772754,68825-Feb-201503:18x64
Http.sys6.1.7601.22976754,68824-Feb-201506:06x64

For all supported IA-64-based versions of Windows Server 2008 R2

File nameFile versionFile sizeDateTimePlatform
Http.sys6.1.7601.187721,442,81625-Feb-201502:38IA-64
Http.sys6.1.7601.229761,443,84024-Feb-201505:37IA-64

Windows 8 and Windows Server 2012 file information

  • The files that apply to a specific product, milestone (RTM, SPn), and service branch (LDR, GDR) can be identified by examining the file version numbers as shown in the following table:
    VersionProductMilestoneService branch
    6.2.920 0.16 xxxWindows 8 and Windows Server 2012RTMGDR
    6.2.920 0.20 xxxWindows 8 and Windows Server 2012RTMLDR
  • GDR service branches contain only those fixes that are widely released to address widespread, critical issues. LDR service branches contain hotfixes in addition to widely released fixes.
Note The MANIFEST files (.manifest) and MUM files (.mum) that are installed are not listed.

For all supported x86-based versions of Windows 8

File nameFile versionFile sizeDateTimePlatform
Http.sys6.2.9200.17285641,02424-Feb-201507:11x86
Http.sys6.2.9200.21401641,02424-Feb-201506:38x86

For all supported x64-based versions of Windows 8 and Windows Server 2012

File nameFile versionFile sizeDateTimePlatform
Http.sys6.2.9200.17285861,69624-Feb-201507:58x64
Http.sys6.2.9200.21401859,64824-Feb-201507:51x64

Windows 8.1 and Windows Server 2012 R2 file information

For all supported x86-based versions of Windows 8.1

File nameFile versionFile sizeDateTimePlatform
Http.sys6.3.9600.17712738,11224-Feb-201508:20x86

For all supported x64-based versions of Windows 8.1 and Windows Server 2012 R2

File nameFile versionFile sizeDateTimePlatform
Http.sys6.3.9600.17712991,55224-Feb-201508:32x64

File hash information

Package NamePackage Hash SHA1Package Hash SHA2
Windows6.1-KB3042553-ia64.msuB14B012147CCB57989C644FE76BADDB2AC547E75B7E6DC02E5B7B02F29410D33576D72D59E7D447B16D1A77AE75CF7967CEFD9AE
Windows6.1-KB3042553-ia64.msuB14B012147CCB57989C644FE76BADDB2AC547E75B7E6DC02E5B7B02F29410D33576D72D59E7D447B16D1A77AE75CF7967CEFD9AE
Windows6.1-KB3042553-x64.msu5692CC4EA7937ECD6053C76D705C1C3D9F58AFDBF40C605801F06D9EE6AD5E676DDDB95B639DB192C11336477546081D33DCE683
Windows6.1-KB3042553-x64.msu5692CC4EA7937ECD6053C76D705C1C3D9F58AFDBF40C605801F06D9EE6AD5E676DDDB95B639DB192C11336477546081D33DCE683
Windows6.1-KB3042553-x86.msu7B7046B3F0C498579B9C9FC2C6F4F774B052D8F89668979847C98069B7BABFDC8CBFC687E144F1C93B5F418455FF490C701F1C1C
Windows6.1-KB3042553-x86.msu7B7046B3F0C498579B9C9FC2C6F4F774B052D8F89668979847C98069B7BABFDC8CBFC687E144F1C93B5F418455FF490C701F1C1C
Windows8.1-KB3042553-x64.msu58A4C0BBDE72C3EB63DDD76D43F9EF63D70EC168BCDAA1DC9F5F394E91EE19EC79E974C1CC8DBD9F5BF3CB2A4DD0E6850DF41E1B
Windows8.1-KB3042553-x64.msu58A4C0BBDE72C3EB63DDD76D43F9EF63D70EC168BCDAA1DC9F5F394E91EE19EC79E974C1CC8DBD9F5BF3CB2A4DD0E6850DF41E1B
Windows8.1-KB3042553-x86.msu6370BB756C13DB47BE2BC7333E0A0683BAA0D932412E7106A0CA4D576B9673008ED5463018A22ACE467D6B984BEF283DF12DA7A2
Windows8.1-KB3042553-x86.msu6370BB756C13DB47BE2BC7333E0A0683BAA0D932412E7106A0CA4D576B9673008ED5463018A22ACE467D6B984BEF283DF12DA7A2
Windows8-RT-KB3042553-x64.msu9D3E6633BAF02066B2FA1511E506DEDDE3823FF1CCE6C76BEDF650C2AEC474D3C73B3087180B366328D2F3D40C70F518C55E1DC6
Windows8-RT-KB3042553-x64.msu9D3E6633BAF02066B2FA1511E506DEDDE3823FF1CCE6C76BEDF650C2AEC474D3C73B3087180B366328D2F3D40C70F518C55E1DC6
Windows8-RT-KB3042553-x86.msuB525D5E84EF23940531910290EE63D7F0BFB635EABDF2D2C5F74518FF160E0596C7DC6BD3CEB4F5D1452ACC510BE426155B4D206
Windows8-RT-KB3042553-x86.msuB525D5E84EF23940531910290EE63D7F0BFB635EABDF2D2C5F74518FF160E0596C7DC6BD3CEB4F5D1452ACC510BE426155B4D206
update security_patch security_update security bug flaw vulnerability malicious attacker exploit registry unauthenticated buffer overrun overflow specially-formed scope specially-crafted denial of service DoS TSE
Properties

Article ID: 3042553 - Last Review: 06/30/2015 22:50:00 - Revision: 2.0

Windows Server 2012 R2 Datacenter, Windows Server 2012 R2 Standard, Windows Server 2012 R2 Essentials, Windows Server 2012 R2 Foundation, Windows 8.1 Enterprise, Windows 8.1 Pro, Windows 8.1, Windows RT 8.1, Windows Server 2012 Datacenter, Windows Server 2012 Standard, Windows Server 2012 Essentials, Windows Server 2012 Foundation, Windows 8 Enterprise, Windows 8 Pro, Windows 8, Windows RT, Windows Server 2008 R2 Service Pack 1, Windows 7 Service Pack 1

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