发布编号：TACERT-ANA-2021081201081717
发布时间：2021-08-12 13:19:17
事故类型：ANA-漏洞预警
发现时间：2021-08-11 14:34:17
影响等级：中
[主旨说明:]
【漏洞预警】微软Windows作业系统存在多个安全漏洞，允许攻击者取得权限或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-202108-0772
研究人员发现Windows作业系统存在下列安全漏洞，远端攻击者可借由漏洞取得权限或进而执行任意程式码。
1.远端执行任意程式码漏洞：CVE-2021-26424、CVE-2021-34481、CVE-2021-36936及CVE-2021-36947。
2.权限提升漏洞：CVE-2021-34483与CVE-2021-36948。
3.欺骗漏洞：CVE-2021-36942。
情资分享等级: WHITE(情资内容为可公开揭露之资讯)
[影响平台:]
1、CVE-2021-26424、CVE-2021-34481、CVE-2021-34483、CVE-2021-36936及CVE-2021-36947：
● 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 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 10 for 32-bit Systems
● Windows 10 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 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 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 2004 (Server Core installation)
● Windows Server, version 20H2 (Server Core Installation)
2、CVE-2021-36942：
● 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 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 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 2004 (Server Core installation)
● Windows Server, version 20H2 (Server Core Installation)
3、CVE-2021-36948：
● 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 2019
● Windows Server 2019 (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这些漏洞释出更新程式，请各机关联络维护厂商或参考以下网址进行更新：
1. Windows TCP/IP Remote Code Execution Vulnerability
2. CVE-2021-34481 Windows 打印多工缓冲处理器的远端执行程式码弱点
3. CVE-2021-34483 Windows 打印多工缓冲处理器权限提高弱点
4. CVE-2021-36936 Windows 打印多工缓冲处理器的远端执行程式码弱点
5. CVE-2021-36942 Windows LSA 诈骗弱点
6. CVE-2021-36947 Windows 打印多工缓冲处理器的远端执行程式码弱点
7. CVE-2021-36948 Windows Update Medic 服务权限提高弱点
[参考资料:]
1. Microsoft Releases Windows Updates to Patch Actively Exploited Vulnerability
2. 微软8月Patch Tuesday修补3个零时差漏洞， 包含一新的Print Spooler漏洞
3. CVE-2021-26424 Windows TCP/IP Remote Code Execution Vulnerability
4. CVE-2021-34481 Windows 打印多工缓冲处理器的远端执行程式码弱点
5. CVE-2021-34483 Windows 打印多工缓冲处理器权限提高弱点
6. CVE-2021-36936 Windows 打印多工缓冲处理器的远端执行程式码弱点
7. CVE-2021-36942 Windows LSA 诈骗弱点
8. CVE-2021-36947 Windows 打印多工缓冲处理器的远端执行程式码弱点
9. CVE-2021-36948 Windows Update Medic 服务权限提高弱点
(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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