发布编号：TACERT-ANA-2021051401052222
发布时间：2021-05-14 13:29:23
事故类型：ANA-漏洞预警
发现时间：2021-05-13 18:01:23
影响等级：中
[主旨说明:]
【漏洞预警】微软Hyper-V、HTTP通讯协定堆叠及Object Linking and Embedding(OLE)存在安全漏洞(CVE-2021-28476、CVE-2021-31166及CVE-2021-31194)，允许攻击者远端执行任意程式码，请尽速确认并进行更新
[内容说明:]
转发 国家资安资讯分享与分析中心 NISAC-ANA-202105-0389
微软Hyper-V、HTTP通讯协定堆叠及Object Linking and Embedding(OLE)存在安全漏洞(CVE-2021-28476、CVE-2021-31166及CVE-2021-31194)，可能遭远端攻击者借由发送特制封包或诱骗受害者存取特制网页，进而利用漏洞执行任意程式码。
情资分享等级: WHITE(情资内容为可公开揭露之资讯)
[影响平台:]
受影响版本如下：
● 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);
[建议措施:]
目前微软官方已针对此漏洞释出更新程式，请各机关联络设备维护厂商或参考以下网址进行更新：
1. CVE-2021-28476 Hyper-V 远端执行程式码弱点
[参考资料:]
2. CVE-2021-28476 Hyper-V 远端执行程式码弱点
(此通报仅在于告知相关资讯，并非为资安事件)，如果您对此通报的内容有疑问或有关于此事件的建议，欢迎与我们连络。
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