高危保安警報 (A21-02-05): Microsoft 產品多個漏洞 (2021年2月)

描述:

Microsoft 發布了安全性更新以應對數個影響 Microsoft 產品或元件的多個漏洞。有關安全性更新的列表，請參考以下網址：

https://support.microsoft.com/en-us/office/security-update-deployment-information-february-9-2021-kb20210209-58e63612-6217-07af-721d-670a11235a7f

有報告指 Windows Win32k 中的權限提升漏洞 (CVE-2021-1732 ) 正受到攻擊，兩個Windows TCP/IP 中的遠端執行程式碼漏洞 (CVE-2021-24074 及 CVE-2021-24094) 被攻擊的風險很高。系統管理員應立即為受影響的系統安裝修補程式，以減低受到網絡攻擊的風險。

受影響的系統:

• Microsoft Edge for Android
• 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, version 20H2
• Microsoft Office 2019, 2019 for Mac
• Microsoft Office Online Server
• Microsoft Office Web Apps Server 2013
• Office Online Server
• Microsoft Excel 2010, 2013, 2013 RT, 2016
• Microsoft 365 Apps for Enterprise
• Microsoft Exchange Server 2016, 2019
• Microsoft SharePoint Foundation 2010, 2013
• Microsoft SharePoint Enterprise Server 2016
• Microsoft SharePoint Server 2019
• Microsoft Visual Studio 2017, 2019
• Microsoft Security Essentials
• Microsoft Endpoint Protection
• Microsoft System Center Endpoint Protection, 2012, 2012 R2
• Windows Defender
• Microsoft Azure Kubernetes Service
• Microsoft Dynamics 365 (on-premises) version 8.2, 9.0
• Microsoft Dynamics 365 Business Central 2020 Release Wave 1, Release Wave 2
• Microsoft Dynamics NAV 2015, 2016, 2017, 2018
• Dynamics 365 Business Central 2019 Release Wave 2 (On-Premise)
• Microsoft Lync Server 2013
• Microsoft Teams for iOS
• Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2/4.8
• .NET Core 2.1, Core 3.1, 5.0
• azure-iot-cli-extension
• Package Manager Configurations
• PsExec
• Skype for Business Server 2015, 2019
• System Center 2019 Operations Manager
• Visual Studio Code, Visual Studio Code - npm-script Extension

影響:

成功利用這些漏洞可以導致遠端執行程式碼、權限提升、泄漏資訊、服務受阻斷、繞過保安功能及篡改，視乎攻擊者利用哪個漏洞而定。

建議:

受影響產品的修補程式可在 Windows Update 或 Microsoft Update Catalog 獲取。受影響系統的用戶應遵從產品供應商的建議，立即採取行動以降低風險。

進一步資訊:

• https://msrc.microsoft.com/update-guide/en-us/releaseNote/2021-Feb
• https://www.hkcert.org/tc/security-bulletin/microsoft-monthly-security-update-feb-2021-_20210210
• https://us-cert.cisa.gov/ncas/current-activity/2021/02/09/microsoft-releases-february-2021-security-updates
• https://us-cert.cisa.gov/ncas/current-activity/2021/02/09/microsoft-warns-windows-win32k-privilege-escalation
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-17162
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-1639
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-1698
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-1721
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-1722
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-1724
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-1726 (to CVE-2021-1728)
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-1730 (to CVE-2021-1734)
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-24066 (to CVE-2021-24088)
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-24091 (to CVE-2021-24094)
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-24096
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-24098 (to CVE-2021-24103)
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-24105
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-24106
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-24109
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-24111
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-24112
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-24114
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-25195
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-26700
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-26701