MS17-004: Security update for Local Security Authority Subsystem Service: January 10, 2017

2017-01-17T23:23:24
ID KB3216771
Type mskb
Reporter Microsoft
Modified 2017-01-10T18:08:37

Description

<html><body><p>Resolves a vulnerability in Windows that could allow denial of service by changing the way that LSASS handles specially crafted authentication requests.</p><h2>Summary</h2><div class="kb-summary-section section">A denial of service vulnerability exists in the way that the Local Security Authority Subsystem Service (LSASS) handles authentication requests. An attacker who successfully exploited the vulnerability could cause a denial of service on the target system's LSASS service, which triggers an automatic reboot of the system. This security update addresses the vulnerability by changing the way that LSASS handles specially crafted authentication requests. <br/><br/>To learn more about the vulnerability, see <a href="https://technet.microsoft.com/library/security/ms17-004" id="kb-link-2" target="_self">Microsoft Security Bulletin MS17-004</a>.<br/></div><h2>More Information</h2><div class="kb-moreinformation-section section"><span class="text-base">Important </span><ul class="sbody-free_list"><li>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 <a href="https://technet.microsoft.com/en-us/library/hh825699" id="kb-link-3" target="_self">Add language packs to Windows</a>. </li></ul></div><h2>Additional information about this security update</h2><div class="kb-moreinformation-section section">The following articles contain additional information about this security update as it relates to individual product versions. The articles may contain known issue information.<br/><ul class="sbody-free_list"><li><a href="https://support.microsoft.com/help/3216775" id="kb-link-4" target="_self">3216775</a> MS17-004: Description of the security update for Local Security Authority Subsystem Service: January 10, 2017</li><li><a href="https://support.microsoft.com/help/3212642" id="kb-link-5" target="_self">3212642</a> January 2017 Security Only Quality Update for Windows 7 SP1 and Windows Server 2008 R2 SP1</li><li><a href="https://support.microsoft.com/help/3212646" id="kb-link-6" target="_self">3212646</a> January 2017 Security Monthly Quality Rollup for Windows 7 SP1 and Windows Server 2008 R2 SP1</li></ul></div><h2>More Information</h2><div class="kb-moreinformation-section section"><div class="faq-section" faq-section=""><div class="faq-panel"><div class="faq-panel-heading" faq-panel-heading=""><span class="link-expand-image"><span class="faq-chevron win-icon win-icon-ChevronUpSmall"></span></span><span class="bold btn-link link-expand-text"><span class="bold btn-link">Security update deployment information</span></span></div><div class="faq-panel-body" faq-panel-body=""><span><div class="kb-collapsible kb-collapsible-collapsed"><h4 class="sbody-h4">Windows Server 2008 (all editions)</h4><span class="text-base">Reference table</span><br/><br/>The following table contains the security update information for this software.<br/><div class="table-responsive"><table class="sbody-table table"><tr class="sbody-tr"><td class="sbody-td"><span class="text-base">Security update file names</span></td><td class="sbody-td">For all supported 32-bit editions of Windows Server 2008:<br/><span class="text-base">Windows6.0-KB3216775-x86.msu</span></td></tr><tr class="sbody-tr"><td class="sbody-td"></td><td class="sbody-td">For all supported x64-based editions of Windows Server 2008:<br/><span class="text-base">Windows6.0-KB3216775-x64.msu</span></td></tr><tr class="sbody-tr"><td class="sbody-td"></td><td class="sbody-td">For all supported Itanium-based editions of Windows Server 2008:<br/><span class="text-base">Windows6.0-KB3216775-ia64.msu</span></td></tr><tr class="sbody-tr"><td class="sbody-td"><span class="text-base">Installation switches</span></td><td class="sbody-td">See <a href="https://support.microsoft.com/help/934307" id="kb-link-8" target="_self">Microsoft Knowledge Base Article 934307</a></td></tr><tr class="sbody-tr"><td class="sbody-td"><span class="text-base">Restart requirement</span></td><td class="sbody-td">You must restart the system after you apply this security update. </td></tr><tr class="sbody-tr"><td class="sbody-td"><span class="text-base">Removal information</span></td><td class="sbody-td">WUSA.exe does not support uninstalling updates. To uninstall an update that is installed by WUSA, click <strong class="uiterm">Control Panel</strong>, and then click <span class="text-base">Security</span>. Under <span class="sbody-userinput">Windows Update</span>, click <strong class="uiterm">View installed updates</strong>, and then select from the list of updates. </td></tr><tr class="sbody-tr"><td class="sbody-td"><span class="text-base">File information</span></td><td class="sbody-td">See <a href="https://support.microsoft.com/help/3216775" id="kb-link-9" target="_self">Microsoft Knowledge Base Article 3216775</a></td></tr><tr class="sbody-tr"><td class="sbody-td"><span class="text-base">Registry key verification</span></td><td class="sbody-td"><span class="text-base">Note</span> This update does not add a registry key to validate its installation. </td></tr></table></div><h4 class="sbody-h4">Windows 7 (all editions)</h4><span class="text-base">Reference table</span><br/><br/>The following table contains the security update information for this software.<br/><div class="table-responsive"><table class="sbody-table table"><tr class="sbody-tr"><td class="sbody-td"><span class="text-base">Security update file name</span></td><td class="sbody-td">For all supported 32-bit editions of Windows 7:<br/><span class="text-base">Windows6.1-KB3212642-x86.msu<br/></span>Security only</td></tr><tr class="sbody-tr"><td class="sbody-td"></td><td class="sbody-td">For all supported 32-bit editions of Windows 7<br/><span class="text-base">Windows6.1-KB3212646-x86.msu<br/></span>Monthly rollup</td></tr><tr class="sbody-tr"><td class="sbody-td"></td><td class="sbody-td">For all supported x64-based editions of Windows 7:<br/><span class="text-base">Windows6.1-KB3212642-x64.msu<br/></span>Security only</td></tr><tr class="sbody-tr"><td class="sbody-td"></td><td class="sbody-td">For all supported x64-based editions of Windows 7:<br/><span class="text-base">Windows6.1-KB3212646-x64.msu<br/></span>Monthly rollup</td></tr><tr class="sbody-tr"><td class="sbody-td"><span class="text-base">Installation switches</span></td><td class="sbody-td">See <a href="https://support.microsoft.com/help/934307" id="kb-link-10" target="_self">Microsoft Knowledge Base Article 934307</a></td></tr><tr class="sbody-tr"><td class="sbody-td"><span class="text-base">Restart requirement</span></td><td class="sbody-td">You must restart the system after you apply this security update. </td></tr><tr class="sbody-tr"><td class="sbody-td"><span class="text-base">Removal information</span></td><td class="sbody-td">To uninstall an update that is installed by WUSA, use the <span class="text-base">/Uninstall </span>setup switch or click <strong class="uiterm">Control Panel</strong>, and then click <strong class="uiterm">System and Security</strong>. Under <strong class="uiterm">Windows Update</strong>, click <strong class="uiterm">View installed updates</strong>, and then select from the list of updates. </td></tr><tr class="sbody-tr"><td class="sbody-td"><span class="text-base">File information</span></td><td class="sbody-td">See <a href="https://support.microsoft.com/help/3212642" id="kb-link-11" target="_self">Microsoft Knowledge Base Article 3212642</a><br/>See <a href="https://support.microsoft.com/help/3212646" id="kb-link-12" target="_self">Microsoft Knowledge Base Article 3212646</a></td></tr><tr class="sbody-tr"><td class="sbody-td"><span class="text-base">Registry key verification</span></td><td class="sbody-td"><span class="text-base">Note</span> This update does not add a registry key to validate its installation. </td></tr></table></div><h4 class="sbody-h4">Windows Server 2008 R2 (all editions)</h4><span class="text-base">Reference table</span><br/><br/>The following table contains the security update information for this software.<br/><div class="table-responsive"><table class="sbody-table table"><tr class="sbody-tr"><td class="sbody-td"><span class="text-base">Security update file name</span></td><td class="sbody-td">For all supported x64-based editions of Windows Server 2008 R2:<br/><span class="text-base">Windows6.1-KB3212642-x64.msu<br/></span>Security only</td></tr><tr class="sbody-tr"><td class="sbody-td"></td><td class="sbody-td">For all supported x64-based editions of Windows Server 2008 R2:<br/><span class="text-base">Windows6.1-KB3212646-x64.msu<br/></span>Monthly rollup</td></tr><tr class="sbody-tr"><td class="sbody-td"></td><td class="sbody-td">For all supported Itanium-based editions of Windows Server 2008 R2:<br/><span class="text-base">Windows6.1-KB3212642-ia64.msu<br/></span>Security only</td></tr><tr class="sbody-tr"><td class="sbody-td"></td><td class="sbody-td">For all supported Itanium-based editions of Windows Server 2008 R2:<br/><span class="text-base">Windows6.1-KB3212646-ia64.msu<br/></span>Monthly rollup</td></tr><tr class="sbody-tr"><td class="sbody-td"><span class="text-base">Installation switches</span></td><td class="sbody-td">See <a href="https://support.microsoft.com/help/934307" id="kb-link-13" target="_self">Microsoft Knowledge Base Article 934307</a></td></tr><tr class="sbody-tr"><td class="sbody-td"><span class="text-base">Restart requirement</span></td><td class="sbody-td">You must restart the system after you apply this security update. </td></tr><tr class="sbody-tr"><td class="sbody-td"><span class="text-base">Removal information</span></td><td class="sbody-td">To uninstall an update that is installed by WUSA, use the <span class="text-base">/Uninstall</span> setup switch or click <strong class="uiterm">Control Panel</strong>, and then click <strong class="uiterm">System and Security</strong>. Under <strong class="uiterm">Windows Update</strong>, click <strong class="uiterm">View installed updates</strong>, and then select from the list of updates. </td></tr><tr class="sbody-tr"><td class="sbody-td"><span class="text-base">File information</span></td><td class="sbody-td">See <a href="https://support.microsoft.com/help/3212642" id="kb-link-14" target="_self">Microsoft Knowledge Base Article 3212642</a><br/>See <a href="https://support.microsoft.com/help/3212646" id="kb-link-15" target="_self">Microsoft Knowledge Base Article 3212646</a></td></tr><tr class="sbody-tr"><td class="sbody-td"><span class="text-base">Registry key verification</span></td><td class="sbody-td"><span class="text-base">Note</span> This update does not add a registry key to validate its installation. </td></tr></table></div></div><br/></span></div></div></div><div class="faq-section" faq-section=""><div class="faq-panel"><div class="faq-panel-heading" faq-panel-heading=""><span class="link-expand-image"><span class="faq-chevron win-icon win-icon-ChevronUpSmall"></span></span><span class="bold btn-link link-expand-text"><span class="bold btn-link">How to obtain help and support for this security update</span></span></div><div class="faq-panel-body" faq-panel-body=""><span><div class="kb-collapsible kb-collapsible-collapsed">Help for installing updates: <a href="https://support.microsoft.com/ph/6527" id="kb-link-16" target="_self">Support for Microsoft Update</a><br/><br/>Security solutions for IT professionals: <a href="https://technet.microsoft.com/security/bb980617.aspx" id="kb-link-17" target="_self">TechNet Security Troubleshooting and Support</a><br/><br/>Help for protecting your Windows-based computer from viruses and malware: <a href="https://support.microsoft.com/contactus/cu_sc_virsec_master" id="kb-link-18" target="_self">Virus Solution and Security Center</a><br/><br/>Local support according to your country: <a href="https://www.microsoft.com/en-us/locale.aspx" id="kb-link-19" target="_self">International Support</a></div><br/></span></div></div></div><a class="bookmark" id="fileinfo"></a></div></body></html>