High Threat Security Alert (A20-08-01): Multiple Vulnerabilities in Microsoft Products (August 2020)

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/20200811/security-update-deployment-information-august-11-2020

Reports indicate that active exploitations against the vulnerability in Windows (CVE-2020-1464) for spoofing and the vulnerability in Internet Explorer (CVE-2020-1380) for remote code execution have been observed. System administrators are advised to take immediate action to patch your affected systems to mitigate the elevated risk of cyber attacks.

The proof-of-concept and workable exploit code against the elevation of privilege vulnerability (CVE-2020-1472) in Microsoft’s Netlogon has been publicly available on the Internet. The vulnerability affects Windows Server 2008 R2 and later. System administrators are advised to take immediate action to patch your affected systems to mitigate the elevated risk of cyber attacks.

Affected Systems:

• Microsoft Internet Explorer 9, 11
• Microsoft Edge (EdgeHTML-based)
• Microsoft Windows 7, 8.1, RT 8.1, 10
• Microsoft Windows Server 2008, 2008 R2, 2012, 2012 R2, 2016, 2019
• Microsoft Windows Server, version 1903, version 1909, version 2004
• Microsoft 365 Apps for Enterprise
• Microsoft Office 2010, 2013, 2013 Click-to-Run, 2013 RT, 2016, 2016 for Mac, 2019, 2019 for Mac
• Microsoft Office Online Server
• Microsoft Office Web Apps 2010, 2013
• Microsoft Excel 2010, 2013, 2013 RT, 2016
• Microsoft Word 2010, 2013, 2013 RT, 2016
• Microsoft Outlook 2010, 2013, 2013 RT, 2016
• Microsoft Access 2010, 2013, 2016
• Microsoft Dynamics 365 (on-premises) version 9.0
• Microsoft SharePoint Foundation 2010, 2013
• Microsoft SharePoint Enterprise Server 2013, 2016
• Microsoft SharePoint Server 2010, 2019
• Microsoft Visual Studio 2017, 2019
• Microsoft .NET Framework 2.0, 3.5, 3.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8
• ASP.NET Core 2.1, 3.1
• ChakraCore
• Office Online Server
• SQL Server Management Studio 18.6
• Visual Studio Code

Impact:

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

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://support.microsoft.com/en-hk/help/4578013/security-update-for-windows-8-1-rt-8-1-and-server-2012-r2
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1472
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1530
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1537
https://portal.msrc.microsoft.com/en-us/security-guidance/releasenotedetail/2020-Aug
https://www.hkcert.org/my_url/en/alert/20081201
https://us-cert.cisa.gov/ncas/current-activity/2020/08/11/microsoft-releases-august-2020-security-updates
https://us-cert.cisa.gov/ncas/current-activity/2020/08/11/microsoft-addresses-rce-and-spoofing-vulnerabilities-under-active
https://us-cert.cisa.gov/ncas/current-activity/2020/09/14/exploit-netlogon-remote-protocol-vulnerability-cve-2020-1472
https://www.secura.com/blog/zero-logon
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-0604
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-1046
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-1337
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-1339
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-1377 (to CVE-2020-1380)
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-1383
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-1417
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-1455
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-1459
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-1464
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-1466
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-1467
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-1470
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-1472 (to CVE-2020-1480)
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-1483 (to CVE-2020-1490)
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-1492 (to CVE-2020-1505)
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-1509 (to CVE-2020-1522)
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-1524 (to CVE-2020-1531)
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-1533 (to CVE-2020-1558)
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-1560 (to CVE-2020-1571)
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-1573
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-1574
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-1577 (to CVE-2020-1585)
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-1587
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-1591
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-1597