发布编号：TACERT-ANA-2021091503093939
发布时间：2021-09-15 15:23:40
事故类型：ANA-漏洞预警
发现时间：2021-09-15 13:44:40
影响等级：中
[主旨说明:]
【漏洞预警】【更新建议措施】微软Windows之MSHTML引擎存在安全漏洞(CVE-2021-40444)，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 资安讯息警讯 NISAC-ANA-202109-0767
研究人员发现微软Windows内之浏览器排版引擎MSHTML存在安全漏洞(CVE-2021-40444)，MSHTML用于微软浏览器与Office应用程式中，攻击者可诱骗使用者开启含有恶意ActiveX之Office文件，进而加载浏览器引擎并浏览恶意网页，利用此漏洞远端执行任意程式码。
情资分享等级: WHITE(情资内容为可公开揭露之资讯)
[影响平台:]
● 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 1809 for 32-bit Systems
● Windows 10 Version 1809 for ARM64-based Systems
● Windows 10 Version 1809 for x64-based Systems
● Windows 10 Version 1909 for 32-bit Systems
● Windows 10 Version 1909 for ARM64-based Systems
● Windows 10 Version 1909 for x64-based Systems
● Windows 10 Version 2004 for 32-bit Systems
● Windows 10 Version 2004 for ARM64-based Systems
● Windows 10 Version 2004 for x64-based Systems
● Windows 10 Version 20H2 for 32-bit Systems
● Windows 10 Version 20H2 for ARM64-based Systems
● Windows 10 Version 20H2 for x64-based Systems
● Windows 10 Version 21H1 for 32-bit Systems
● Windows 10 Version 21H1 for ARM64-based Systems
● Windows 10 Version 21H1 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 2022
● Windows Server 2022 (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，请各机关联络维护厂商或参考以下网址进行更新：https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-40444
[参考资料:]
1. https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-40444
2. Windows RCE漏洞已有锁定Office用户的攻击，微软紧急提供缓解指示
(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。
教育机构资安通报应变小组
网址：https://info.cert.tanet.edu.tw/
专线电话：07-5250211
网络电话：98400000
E-Mail：service@cert.tanet.edu.tw
