High Threat Security Alert (A19-12-03): Multiple Vulnerabilities in Microsoft Products (December 2019)

Description:

Microsoft has released security updates addressing multiple vulnerabilities which affect several Microsoft products or components.  The list of security updates can be found at:
https://support.microsoft.com/en-us/help/20191210/security-update-deployment-information-december-10-2019

Reports indicate that active exploitation against the vulnerability in Microsoft Windows and Windows Server (CVE-2019-1458) for privilege escalation have been observed. Users are advised to take immediate action to patch your affected systems to mitigate the elevated risk of cyber attacks.

Please note that Microsoft announced that the extended support for Windows 7 will be ceased on 14 January 2020 and no security updates will be provided after that. Users should arrange upgrading the Windows to Windows 10 or migrating to other supported technology.

Affected Systems:

• Microsoft Internet Explorer 9, 10, 11
• Microsoft Windows XP, 7, 8.1, RT 8.1, 10
• Microsoft Windows Server 2008, 2008 R2, 2012, 2012 R2, 2016, 2019
• Microsoft Windows Server, version 1803, version 1903, version 1909
• Microsoft Office 2010, 2013, 2013 RT, 2016, 2016 for Mac, 2019, 2019 for Mac
• Microsoft Office 365 ProPlus
• Microsoft Excel 2010, 2013, 2013 RT, 2016
• Microsoft PowerPoint 2010, 2013, 2013 RT, 2016
• Microsoft Word 2010, 2013, 2013 RT, 2016
• Skype for Business Server 2019
• SQL Server 2017 Reporting Services, 2019 Reporting Services
• Microsoft Visual Studio 2017, 2019, Live Share extension
• Microsoft Authentication Library (MSAL) for Android
• Power BI Report Server

A complete list of the affected products can be found at:
https://portal.msrc.microsoft.com/en-us/security-guidance

Impact:

Depending on the vulnerability exploited, a successful attack could lead to remote code execution, information disclosure, spoofing, elevation of privilege, denial of service, tampering and security feature bypass.

Recommendation:

Patches for affected products are available from the Windows Update / Microsoft Update Catalog.  Users of affected systems should follow the recommendations provided by the product vendor and take immediate actions to mitigate the risk.

More Information:

https://portal.msrc.microsoft.com/en-us/security-guidance/releasenotedetail/2019-Dec
https://support.microsoft.com/en-us/help/20191210/security-update-deployment-information-december-10-2019
https://www.us-cert.gov/ncas/current-activity/2019/12/10/microsoft-releases-december-2019-security-updates
https://www.hkcert.org/my_url/en/alert/19121101
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-1332
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-1349 (to CVE-2019-1352)
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-1354
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-1387
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-1400
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-1453
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-1458
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-1461 (to CVE-2019-1472)
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-1474
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-1476 (to CVE-2019-1478)
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-1480
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-1481
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-1483 (to CVE-2019-1490)