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[資安訊息警訊]Windows作業系統存在高風險安全漏洞(CVE-2022-26809),允許攻擊者遠端執行任意程式碼,請儘速確認並進行更新
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漏洞/資安訊息警訊

 

發布編號

NCCST-ANA-2022-0000193

發布時間

Wed Apr 20 15:40:08 CST 2022

事件類型

漏洞預警

發現時間

Wed Apr 20 00:00:00 CST 2022

警訊名稱

Windows作業系統存在高風險安全漏洞(CVE-2022-26809),允許攻擊者遠端執行任意程式碼,請儘速確認並進行更新

內容說明

研究人員發現Windows作業系統存在高風險安全漏洞(CVE-2022-26809),攻擊者可將特別製作之遠端程序呼叫(Remote Procedure Call,簡稱RPC)傳送至RPC主機,即可獲得與RPC服務相同之權限,進而於伺服器上遠端執行任意程式碼。

影響平台

受影響版本如下:

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 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 10 Version 21H2 for 32-bit Systems

Windows 10 Version 21H2 for ARM64-based Systems

Windows 10 Version 21H2 for x64-based Systems

Windows 11 for ARM64-based Systems

Windows 11 for x64-based Systems

Windows 7 for 32-bit Systems Service Pack 1

Windows 7 for 32-bit Systems Service Pack 1

Windows 7 for x64-based Systems Service Pack 1

Windows 7 for x64-based Systems Service Pack 1

Windows 8.1 for 32-bit systems

Windows 8.1 for 32-bit systems

Windows 8.1 for x64-based systems

Windows 8.1 for x64-based systems

Windows RT 8.1

Windows Server 2008 for 32-bit Systems Service Pack 2

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 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

Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)

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

Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)

Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)

Windows Server 2012

Windows Server 2012

Windows Server 2012 (Server Core installation)

Windows Server 2012 (Server Core installation)

Windows Server 2012 R2

Windows Server 2012 R2

Windows Server 2012 R2 (Server Core installation)

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 20H2 (Server Core Installation)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

影響等級

建議措施

1.目前微軟官方已針對此漏洞釋出更新程式,請各機關聯絡維護廠商或參考下列網址進行更新:

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-26809

2.若無法更新若無法更新至最新版本,請參考微軟官方網頁之「Mitigations」一節,採取下列緩解措施:

(1)關閉邊界防火牆的TCP 445埠。

(2)參考下列官方指引保護SMB流量:

https://docs.microsoft.com/zh-tw/windows-server/storage/file-server/smb-secure-traffic

 

 

 

 

 

參考資料

1.https://www.ithome.com.tw/news/150440

2.https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-26809

 

 

 

 

此類通告發送對象為通報應變網站登記之資安人員。若貴 單位之資安人員有變更,可逕自登入通報應變網站(https://www.ncert.nat.gov.tw)進行修改。若您仍為貴單位之資安人員但非本事件之處理人員,請協助將此通告告知相關處理人員。



如果您對此通告內容有疑問或有關於此事件之建議,請勿直接回覆此信件,請以下述聯絡資訊與我們連絡。
地 址: 台北市富陽街116號
聯絡電話: 02-27339922
傳真電話: 02-27331655
電子郵件信箱: service@nccst.nat.gov.tw

 

 

 

 

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