
====================================================================

                             CERT-Renater

                 Note d'Information No. 2021/VULN093
_____________________________________________________________________

DATE                : 10/02/2021

HARDWARE PLATFORM(S): /

OPERATING SYSTEM(S):  Systems running Microsoft Windows,
                        Microsoft Edge (Chromium-based),
                        Microsoft Edge for Android,
                        Microsoft Office, Services Microsoft Office et
                          Microsoft Office Web Apps,
                        Microsoft Excel, Microsoft Lync Server,
                        Microsoft Office Online Server,
                        Microsoft Visual Studio,
                        Visual Studio Code,
                        Hyper-V,
                        azure-iot-cli-extension,
                       .NET, .NET Framework, .NET Core,
                       Package Manager Configurations,
                       PsExec,
                       Microsoft Azure Kubernetes Service,
                       Microsoft 365 Apps,
                       Microsoft SharePoint,
                       Microsoft Teams for iOS,
                       Skype for Business Server,
                       Microsoft Exchange Server,
                       Dynamics 365 Business Central,
                       Microsoft Dynamics 365,
                       Microsoft Dynamics NAV,
                       Microsoft Endpoint Protection,
                       Microsoft Security Essentials,
                       Microsoft System Center,
                       Windows Defender.
=====================================================================
https://portal.msrc.microsoft.com/fr-FR/security-guidance
https://msrc.microsoft.com/update-guide/releaseNote/2021-Feb
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2020-1472
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2020-17162
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-1692
https://msrc.microsoft.com/update-guide/vulnerability/ADV990001
_____________________________________________________________________


********************************************************************
Microsoft Security Update Summary for February 9, 2021
Issued: February 9, 2021
********************************************************************

This summary lists security updates released for February 9, 2021.

Complete information for the February 2021 security update release
Can be found at <https://msrc.microsoft.com/update-guide/>.

Please note the following information regarding the security updates:

* For information regarding enabling Windows 10, version 1909 features,
please see Windows 10, version 1909 delivery options:
https://techcommunity.microsoft.com/t5/Windows-IT-Pro-Blog/Windows-10-
version-1909-delivery-options/ba-p/1002660. Note that these versions of
Windows 10 share a common core operating system with an identical set of
system files: 1903 and 1909; 2004 and 20H2. They will also share the
same security update KBs.
* Windows 10 updates are cumulative. The monthly security release
includes all security fixes for vulnerabilities that affect Windows
10, in addition to non-security updates. The updates are available
via the Microsoft Update Catalog:
https://catalog.update.microsoft.com/v7/site/Home.aspx.
* For information on lifecycle and support dates for Windows 10
operating systems, please see the Windows Lifecycle Facts Sheet:
https://support.microsoft.com/en-us/help/13853/windows-
lifecycle-fact-sheet).
* A list of the latest servicing stack updates for each operating
system can be found in ADV990001: https://msrc.microsoft.com/update-
guide/vulnerability/ADV990001. This list will be
updated whenever a new servicing stack update is released. It is
important to install the latest servicing stack update.
* In addition to security changes for the vulnerabilities, updates
include defense-in-depth updates to help improve security-related
features.
* Customers running Windows 7, Windows Server 2008 R2, or Windows Server
2008 need to purchase the Extended Security Update to continue receiving
security updates. See
https://support.microsoft.com/en-us/help/4522133/procedure-to-continue-receiving-security-updates
for more information.
* There is a change coming with regards to Servicing Stack Updates.
Please see Simplifying SSUs for more information.


Critical Security Updates
============================

Windows 10 for 32-bit Systems
Windows 10 for x64-based Systems
Windows 10 Version 1607 for 32-bit Systems
Windows 10 Version 1607 for x64-based Systems
Windows 10 Version 1803 for 32-bit Systems
Windows 10 Version 1803 for ARM64-based Systems
Windows 10 Version 1803 for x64-based Systems
Windows 10 Version 1809 for 32-bit Systems
Windows 10 Version 1809 for ARM64-based Systems
Windows 10 Version 1809 for x64-based Systems
Windows 10 Version 1909 for 32-bit Systems
Windows 10 Version 1909 for ARM64-based Systems
Windows 10 Version 1909 for x64-based Systems
Windows 10 Version 2004 for 32-bit Systems
Windows 10 Version 2004 for ARM64-based Systems
Windows 10 Version 2004 for x64-based Systems
Windows 10 Version 20H2 for 32-bit Systems
Windows 10 Version 20H2 for ARM64-based Systems
Windows 10 Version 20H2 for x64-based Systems
Windows 8.1 for 32-bit systems
Windows 8.1 for x64-based systems
Windows RT 8.1
Windows Server 2012
Windows Server 2012 (Server Core installation)
Windows Server 2012 R2
Windows Server 2012 R2 (Server Core installation)
Windows Server 2016
Windows Server 2016  (Server Core installation)
Windows Server 2019
Windows Server 2019  (Server Core installation)
Windows Server, version 1909 (Server Core installation)
Windows Server, version 2004 (Server Core installation)
Windows Server, version 20H2 (Server Core Installation)
Microsoft .NET Framework 4.6
Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2
Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2
Microsoft .NET Framework 4.7.2
Microsoft .NET Framework 4.8
.NET 5.0
.NET Core 2.1
.NET Core 3.1
Microsoft Visual Studio 2017 version 15.9 (includes 15.0 - 15.8)
Microsoft Visual Studio 2019 version 16.4 (includes 16.0 - 16.3)
Microsoft Visual Studio 2019 version 16.7 (includes 16.0 - 16.6)
Microsoft Visual Studio 2019 version 16.8
Visual Studio Code
Visual Studio Code - npm-script Extension
Package Manager Configurations
PsExec


Important Security Updates
============================

Microsoft Edge (Chromium-based)
Microsoft Edge for Android
azure-iot-cli-extension
Microsoft Azure Kubernetes Service
Microsoft 365 Apps for Enterprise for 32-bit Systems
Microsoft 365 Apps for Enterprise for 64-bit Systems
Microsoft Excel 2010 Service Pack 2 (32-bit editions)
Microsoft Excel 2010 Service Pack 2 (64-bit editions)
Microsoft Excel 2013 RT Service Pack 1
Microsoft Excel 2013 Service Pack 1 (32-bit editions)
Microsoft Excel 2013 Service Pack 1 (64-bit editions)
Microsoft Excel 2016 (32-bit edition)
Microsoft Excel 2016 (64-bit edition)
Microsoft Lync Server 2013
Microsoft Office 2019 for 32-bit editions
Microsoft Office 2019 for 64-bit editions
Microsoft Office 2019 for Mac
Microsoft Office Online Server
Microsoft Office Web Apps Server 2013 Service Pack 1
Microsoft SharePoint Enterprise Server 2016
Microsoft SharePoint Foundation 2010 Service Pack 2
Microsoft SharePoint Foundation 2013 Service Pack 1
Microsoft SharePoint Server 2019
Microsoft Teams for iOS
Office Online Server
Skype for Business Server 2015 CU 8
Skype for Business Server 2019  CU2
Microsoft Exchange Server 2016 Cumulative Update 18
Microsoft Exchange Server 2016 Cumulative Update 19
Microsoft Exchange Server 2019 Cumulative Update 7
Microsoft Exchange Server 2019 Cumulative Update 8
Dynamics 365 Business Central 2019 Release Wave 2 (On-Premise)
Microsoft Dynamics 365 (on-premises) version 8.2
Microsoft Dynamics 365 (on-premises) version 9.0
Microsoft Dynamics 365 Business Central 2020 Release Wave 1
Microsoft Dynamics 365 Business Central 2020 Release Wave 2
Microsoft Dynamics NAV 2015
Microsoft Dynamics NAV 2016
Microsoft Dynamics NAV 2017
Microsoft Dynamics NAV 2018
Microsoft Endpoint Protection
Microsoft Security Essentials
Microsoft System Center 2012 Endpoint Protection
Microsoft System Center 2012 R2 Endpoint Protection
Microsoft System Center Endpoint Protection
System Center 2019 Operations Manager
Windows Defender



Other Information
=================

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=============================================================
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_____________________________________________________________________

**************************************************************************************
Title: Microsoft Security Update Releases
Issued: February 9, 2021
**************************************************************************************

Summary
=======

The following CVEs have undergone a major revision increment:

* CVE-2020-1472
* CVE-2020-17162
* CVE-2021-1692


Revision Information:
=====================

* CVE-2020-1472

 - CVE-2020-1472 | Netlogon Elevation of Privilege Vulnerability
 - https://msrc.microsoft.com/update-guide/vulnerability/CVE-2020-1472
 - Version 2.0
 - Reason for Revision: Microsoft is announcing the release of the
   second phase of Windows security updates to address this
   vulnerability. February 9, 2021 and superseding Windows Updates
   enable enforcement mode on all supported Windows Domain Controllers
   and will block vulnerable connections from non-compliant
   devices unless manually added to a security group referenced in
   "Domain controller: Allow vulnerable Netlogon secure channel
    connections" group policy
  Â (https://support.microsoft.com/en-us/help/4557222#theGroupPolicy).
  Adding hostnames to the exception policy allows attackers to
  impersonate such accounts. Administrators Â will not be able to
  disable or override enforcement mode. For more information about
  enforcement mode, see (1.) Step 3b: Enforcement Phase in
   https://support.microsoft.com/kb/4557222 and (2.) the FAQ section of
   this CVE-2020-1472.
   Microsoft strongly recommends that customers install the February
   updates to be fully protected from this vulnerability. Customers
   whose Windows devices are configured to receive automatic updates do
   not need to take any further action.
 - Originally posted: August 11, 2020
 - Updated: February 9, 2021
 - Aggregate CVE Severity Rating: Critical


* CVE-2020-17162

 - CVE-2020-17162 | Microsoft Windows Security Feature Bypass
    Vulnerability
 - https://msrc.microsoft.com/update-guide/vulnerability/CVE-2020-17162
 - Version 1.0
 - Reason for Revision: Information published. This CVE was addressed by
   updates that were released in September 2020, but the CVE was
   inadvertently omitted from the September 2020 Security Updates. This
   is an informational change only. Customers who have already installed
   the September 2020 update do not need to take any further action.
 - Originally posted: February 9, 2020
 - Updated: N/A
 - Aggregate CVE Severity Rating: Important


* CVE-2021-1692

 - CVE-2021-1692 | Hyper-V Denial of Service Vulnerability
 - https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-1692
 - Version 2.0
 - Reason for Revision: To comprehensively address CVE-2021-1692,
   Microsoft has released the February 2021 Security Updates for all
   affected editions of Windows 10  Version 1803 and newer. Microsoft
   strongly recommends that customers install the February updates to be
   fully protected from this vulnerability. Customers whose
   systems are configured to receive automatic updates do not need to
   take any further action.
 - Originally posted: January 12, 2021
 - Updated: February 9, 2021
 - Aggregate CVE Severity Rating: Important


**************************************************************************************

Other Information
=================

Recognize and avoid fraudulent email to Microsoft customers:
======================================================================================

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security updates. You can obtain the MSRC
public PGP key at <https://technet.microsoft.com/security/dn753714>.

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_____________________________________________________________________


**************************************************************************************
Title: Microsoft Security Advisory Notification
Issued: February 9, 2021
**************************************************************************************

Security Advisories Released or Updated on February 9, 2021
======================================================================================

* ADV990001

 - ADV990001 | Latest Servicing Stack Updates
 - https://msrc.microsoft.com/update-guide/vulnerability/ADV990001
 - Reason for Revision: Advisory updated to announce new versions of
Servicing Stack
   Updates are available. Please see the FAQ for details.
 - Originally posted: November 13, 2018
 - Updated: February 9, 2020
 - Version: 31.0


======================================================================================

Other Information
=================

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======================================================================================
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security updates. You can obtain the MSRC
public PGP key at <https://technet.microsoft.com/security/dn753714>.

**************************************************************************************
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IS" WITHOUT WARRANTY OF ANY KIND. MICROSOFT DISCLAIMS ALL WARRANTIES,
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=========================================================
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=========================================================



