JPCERT-AT-2020-0001
                                                             JPCERT/CC
                                                            2020-01-15

                  <<< JPCERT/CC Alert 2020-01-15 >>>

         Microsoft Releases January 2020 Security Updates

       https://www.jpcert.or.jp/english/at/2020/at190001.html


I. Overview
Microsoft has released January 2020 Security Updates. This contains
updates that are rated as "Critical". Remote attackers leveraging
these vulnerabilities may be able to execute arbitrary code.

Details on the vulnerabilities can be found at the following URL:

    January 2020 Security Updates
    https://portal.msrc.microsoft.com/en-us/security-guidance/releasenotedetail/2020-Jan

[Vulnerabilities addressed (Including Security Update Programs rated as "critical")]
* Listing up Microsoft Knowledge Base (KB) that are rated as "critical"

    CVE-2020-0603
    ASP.NET Core Remote Code Execution Vulnerability
    https://portal.msrc.microsoft.com/en-us/security-guidance/advisory/CVE-2020-0603
    - KB number is not assigned

    CVE-2020-0605
    .NET Framework Remote Code Execution Vulnerability
    https://portal.msrc.microsoft.com/en-us/security-guidance/advisory/CVE-2020-0605
    - KB4532933, KB4532935, KB4532936, KB4532938, KB4534271, KB4534276,
      KB4534293, KB4534306, KB4534976, KB4534977, KB4534978, KB4534979, 
      KB4535101, KB4535102, KB4535103, KB4535104, KB4535105

    CVE-2020-0606
    .NET Framework Remote Code Execution Vulnerability
    https://portal.msrc.microsoft.com/en-us/security-guidance/advisory/CVE-2020-0606
    - KB4532933, KB4532935, KB4532936, KB4532938, KB4534271, KB4534276
      KB4534293, KB4534306, KB4534976, KB4534977, KB4534978, KB4534979
      KB4535101, KB4535102, KB4535103, KB4535104, KB4535105

    CVE-2020-0609
    Windows Remote Desktop Gateway (RD Gateway) Remote Code Execution Vulnerability
    https://portal.msrc.microsoft.com/en-us/security-guidance/advisory/CVE-2020-0609
    - KB4534271, KB4534273, KB4534283, KB4534288, KB4534297, KB4534309

    CVE-2020-0610
    Windows Remote Desktop Gateway (RD Gateway) Remote Code Execution Vulnerability
    https://portal.msrc.microsoft.com/en-us/security-guidance/advisory/CVE-2020-0610
    - KB4534271, KB4534273, KB4534283, KB4534288, KB4534297, KB4534309

    CVE-2020-0611
    Remote Desktop Client Remote Code Execution Vulnerability
    https://portal.msrc.microsoft.com/en-us/security-guidance/advisory/CVE-2020-0611
    - KB4528760, KB4534271, KB4534273, KB4534276, KB4534283, KB4534288
      KB4534293, KB4534297, KB4534306, KB4534309, KB4534310, KB4534314

    CVE-2020-0640
    Internet Explorer Memory Corruption Vulnerability
    https://portal.msrc.microsoft.com/en-us/security-guidance/advisory/CVE-2020-0640
    - KB4528760, KB4534251, KB4534271, KB4534273, KB4534276, KB4534293
      KB4534297, KB4534306, KB4534310

    CVE-2020-0646
    .NET Framework Remote Code Execution Injection Vulnerability
    https://portal.msrc.microsoft.com/en-us/security-guidance/advisory/CVE-2020-0646
    - KB4532933, KB4532935, KB4532936, KB4532938, KB4534271, KB4534276
      KB4534293, KB4534306, KB4534976, KB4534977, KB4534978, KB4534979
      KB4535101, KB4535102, KB4535103, KB4535104, KB4535105

Also, as of January 14, 2020, Windows 7, Windows Server 2008/2008 R2 will be
out of extended support and no longer receiving updates. It is recommended
to update to the supported versions.

    Windows 7 will no longer be supported as of today (JAPANESE)
    https://blogs.windows.com/japan/2020/01/14/0114_windows7eos/

    End of support for Windows Server 2008 and Windows Server 2008 R2
    https://support.microsoft.com/en-us/help/4456235/end-of-support-for-windows-server-2008-and-windows-server-2008-r2


II. Solution
Please apply the security update programs through Microsoft Update,
Windows Update, etc. as soon as possible.

    Microsoft Update Catalog
    https://www.catalog.update.microsoft.com/

    Windows Update: FAQ
    https://support.microsoft.com/en-us/help/12373/windows-update-faq


III. References
    Microsoft Corporation 
    January 2020 Security Updates
    https://portal.msrc.microsoft.com/en-us/security-guidance/releasenotedetail/2020-Jan

    Microsoft Corporation
    Microsoft Security Updates for January 2020 (Monthly) (Japanese)
    https://msrc-blog.microsoft.com/2020/01/14/202001-security-updates/


If you have any information regarding this alert, please contact
JPCERT/CC.

======================================================================
JPCERT Coordination Center (JPCERT/CC)
MAIL: ew-info@jpcert.or.jp
TEL: +81-3-6811-0610 FAX: +81-3-6271-8908
https://www.jpcert.or.jp/english/