[內容說明:]

轉發 國家資安資訊分享與分析中心 NISAC-ANA-202105-0389

微軟Hyper-V、HTTP通訊協定堆疊及Object Linking and Embedding(OLE)存在安全漏洞
(CVE-2021-28476、CVE-2021-31166及CVE-2021-31194)，
​​​​​​​可能遭遠端攻擊者藉由發送特製封包或誘騙受害者存取特製網頁，
進而利用漏洞執行任意程式碼。

情資分享等級: WHITE(情資內容為可公開揭露之資訊)

[影響平台:]

受影響版本如下：;

● CVE-2021-28476：

Windows 7 for x64-based Systems Service Pack 1;

Windows 8.1 for x64-based systems;

Windows 10 for x64-based Systems;

Windows 10 Version 1607 for x64-based Systems;

Windows 10 Version 1803 for x64-based Systems;

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 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 for x64-based Systems Service Pack 2;

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

● CVE-2021-31166：;

Windows 10 Version 2004 for ARM64-based Systems;

Windows 10 Version 2004 for 32-bit Systems;

Windows 10 Version 2004 for x64-based Systems;

Windows 10 Version 20H2 for ARM64-based Systems;

Windows 10 Version 20H2 for 32-bit Systems;

Windows 10 Version 20H2 for x64-based Systems;

Windows Server, version 2004 (Server Core installation);

Windows Server, version 20H2 (Server Core Installation);

● CVE-2021-31194：;

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 1803 for ARM64-based Systems;

Windows 10 Version 1803 for 32-bit Systems;

Windows 10 Version 1803 for x64-based Systems;

Windows 10 Version 1809 for ARM64-based Systems;

Windows 10 Version 1809 for 32-bit Systems;

Windows 10 Version 1809 for x64-based Systems;

Windows 10 Version 1909 for ARM64-based Systems;

Windows 10 Version 1909 for 32-bit Systems;

Windows 10 Version 1909 for x64-based Systems;

Windows 10 Version 2004 for ARM64-based Systems;

Windows 10 Version 2004 for 32-bit Systems;

Windows 10 Version 2004 for x64-based Systems;

Windows 10 Version 20H2 for ARM64-based Systems;

Windows 10 Version 20H2 for 32-bit Systems;

Windows 10 Version 20H2 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, 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：

1. https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-28476

2. https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-31166

3. https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-31194

[參考資料:]
1. https://www.ithome.com.tw/news/144350
2. https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-28476
3. https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-31166
4. https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-31194