[資訊中心轉公告]【漏洞預警】微軟Windows DNS伺服器存在安全漏洞(CVE-2021-24078),允許攻擊者遠端執行任意程式碼,請儘速確認並進行更新!

轉發教育機構資安通報應變小組

研究人員發現微軟Windows DNS伺服器因輸入驗證不足,導致存在安全漏洞(CVE-2021-24078),遠端攻擊者可藉由發送特製封包,利用此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)

[影響平台:]

使用下列Windows作業系統之伺服器如啟用DNS服務,將受此漏洞影響:

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, version 1909 (Server Core installation) Windows Server, version 2004 (Server Core installation) Windows Server, version 20H2 (Server Core Installation)

[建議措施:]

目前微軟官方已針對此漏洞釋出更新程式,請各機關聯絡設備維護廠商或參考以下網址進行更新:

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-24078

[參考資料:]

1. https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-24078

2. https://www.ithome.com.tw/news/142716

3. https://www.cybersecurity-help.cz/vdb/SB2021020934

4. https://thehackernews.com/2021/02/microsoft-issues-patches-for-in-wild-0html

5. https://www.nccst.nat.gov.tw/VulnerabilityDetail?lang=zh&seq=1144

(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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