資媒組

轉發 國家資安資訊分享與分析中心  資安訊息警訊  NISAC-ANA-202111-0417  研究人員發現Windows作業系統與應用程式存在多個安全漏洞(CVE-2021-26443、38666、42292及42321)，遠端攻擊者可藉由漏洞進而執行任意程式碼。  情資分享等級:  WHITE(情資內容為可公開揭露之資訊)  此訊息僅發送到「區縣市網路中心」，煩請貴單位協助公告或轉發  

一、CVE-2021-26443：   ● Windows 10 Version 1809 for x64-based Systems   ● Windows 10 Version 1909 for x64-based Systems   ● Windows 10 Version 2004 for x64-based Systems   ● Windows 10 Version 20H2 for x64-based Systems   ● Windows 10 Version 21H1 for x64-based Systems   ● Windows 11 for x64-based Systems   ● Windows Server 2019   ● Windows Server 2019 (Server Core installation)   ● Windows Server  2022 ● Windows Server 2022 (Server Core installation)   ● Windows Server, version 2004 (Server Core installation)   ● Windows Server, version 20H2 (Server Core Installation)   二、CVE-2021-38666：   ● Remote Desktop client for Windows Desktop   ● Windows 7 for 32-bit Systems Service Pack 1   ● Windows 7 for x64-based Systems Service Pack 1   ● Windows 8.1 for 32-bit systems   ● Windows 8.1 for x64-based systems   ● Windows RT 8.1 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 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 10 Version 21H1 for 32-bit Systems   ● Windows 10 Version 21H1 for ARM64-based  Systems ● Windows 10 Version 21H1 for x64-based Systems   ● Windows 11 for ARM64-based Systems   ● Windows 11 for x64-based Systems   ● Windows Server 2008 for 32-bit Systems Service Pack 2   ● Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core  installation)   ● Windows Server 2008 for x64-based Systems Service Pack 2   ● Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core  installation)   ● Windows Server 2008 R2 for x64-based Systems Service Pack 1   ● Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core  installation)   ● 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 2022   ● Windows Server 2022 (Server Core  installation) ● Windows Server, version 2004 (Server Core installation)   ● Windows Server, version 20H2 (Server Core Installation)   三、CVE-2021-42292：   ● Microsoft 365 Apps for Enterprise for 32-bit Systems   ● Microsoft 365 Apps for Enterprise for 64-bit Systems   ● 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 Office 2013 RT Service Pack 1   ● Microsoft Office 2013 Service Pack 1 (32-bit editions)   ● Microsoft Office 2013 Service Pack 1 (64-bit editions)   ● Microsoft Office 2016 (32-bit edition)   ● Microsoft Office 2016 (64-bit edition)   ● Microsoft Office 2019 for 32-bit editions   ● Microsoft Office 2019 for 64-bit editions   ● Microsoft Office 2019 for Mac   ● Microsoft Office LTSC 2021 for 32-bit editions   ● Microsoft Office LTSC 2021 for 64-bit editions   ● Microsoft Office LTSC for Mac 2021   四、CVE-2021-42321：   ● Microsoft Exchange Server 2016 Cumulative Update 21   ● Microsoft Exchange Server 2016 Cumulative Update 22   ● Microsoft Exchange Server 2019 Cumulative Update 10   ● Microsoft Exchange Server 2019 Cumulative Update 11

目前微軟官方已針對這些漏洞釋出更新程式，請各機關聯絡維護廠商或參考以下網址進行更新：  1.https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-26443  2.https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-38666  3.https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-42292  4.https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-42321