轉知：【漏洞預警】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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教育機構ANA通報平台 |
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發佈編號 |
TACERT-ANA-2022042109040303 |
發佈時間 |
2022-04-21 09:20:03 |
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事故類型 |
ANA-漏洞預警 |
發現時間 |
2022-04-20 16:24:03 |
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影響等級 |
中 |
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[主旨說明:]【漏洞預警】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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[內容說明:] 轉發 國家資安資訊分享與分析中心 NISAC-ANA-202204-0651
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。
情資分享等級: WHITE(情資內容為可公開揭露之資訊)
煩請貴單位協助公告或轉發 |
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[影響平台:] 受影響版本如下： l Windows 10 for 32-bit Systems l Windows 10 for x64-based Systems l Windows 10 Version 1607 for 32-bit Systems l Windows 10 Version 1607 for x64-based Systems l Windows 10 Version 1809 for 32-bit Systems l Windows 10 Version 1809 for ARM64-based Systems l Windows 10 Version 1809 for x64-based Systems l Windows 10 Version 1909 for 32-bit Systems l Windows 10 Version 1909 for ARM64-based Systems l Windows 10 Version 1909 for x64-based Systems l Windows 10 Version 20H2 for 32-bit Systems l Windows 10 Version 20H2 for ARM64-based Systems l Windows 10 Version 20H2 for x64-based Systems l Windows 10 Version 21H1 for 32-bit Systems l Windows 10 Version 21H1 for ARM64-based Systems l Windows 10 Version 21H1 for x64-based Systems l Windows 10 Version 21H2 for 32-bit Systems l Windows 10 Version 21H2 for ARM64-based Systems l Windows 10 Version 21H2 for x64-based Systems l Windows 11 for ARM64-based Systems l Windows 11 for x64-based Systems l Windows 7 for 32-bit Systems Service Pack 1 l Windows 7 for x64-based Systems Service Pack 1 l Windows 8.1 for 32-bit systems l Windows 8.1 for x64-based systems l Windows RT 8.1 l Windows Server 2008 for 32-bit Systems Service Pack 2 l Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) l Windows Server 2008 for x64-based Systems Service Pack 2 l Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) l Windows Server 2008 R2 for x64-based Systems Service Pack 1 l Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) l Windows Server 2012 l Windows Server 2012 (Server Core installation) l Windows Server 2012 R2 Windows Server 2012 R2 l Windows Server 2012 R2 (Server Core installation) l Windows Server 2016 l Windows Server 2016 (Server Core installation) l Windows Server 2019 l Windows Server 2019 (Server Core installation) l Windows Server 2022 l Windows Server 2022 (Server Core installation) l Windows Server, version 20H2 (Server Core Installation) |
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[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 |
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[參考資料:] |
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(此通報僅在於告知相關資訊，並非為資安事件)，如果您對此通報的內容有疑問或有關於此事件的建議，歡迎與我們連絡。 |
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教育機構資安通報應變小組 |
參考連結：https://www.tcrc.edu.tw/new/new-list/windows-cve-2022-26809