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[漏洞預警]微軟Windows DNS伺服器存在安全漏洞(CVE-2021-24078),攻擊者可遠端執行任意程式碼,請儘速確認並進行更新!


發佈日期
21-02-20
公告人員
曾國旭

[內容說明:]
轉發 行政院國家資通安全會報技術服務中心 資安訊息警訊 NISAC-ANA-202102-0954
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。

[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