一、漏洞概述
北京时间10月14日，微软发布10月安全更新补丁，修复了87个安全问题，涉及Microsoft Windows、Microsoft Office、Microsoft Exchange Server、Visual Studio、.NET Framework等广泛使用的产品，其中包括远程代码执行和权限提升等高危漏洞类型。
本月微软月度更新修复的漏洞中，严重程度为关键（Critical）的漏洞共有11个，重要（Important）漏洞有75个，1个 中等（Moderate）级别漏洞。请相关用户及时更新补丁进行防护，详细漏洞列表请参考附录。
绿盟远程安全评估系统（RSAS）已具备微软此次补丁更新中78个漏洞的检测能力（含CVE-2020-16898、CVE-2020-16951、CVE-2020-16952、CVE-2020-16947、CVE-2020-16891、CVE-2020-16923、CVE-2020-16899、CVE-2020-16909、CVE-2020-16911、CVE-2020-16967、CVE-2020-16968、CVE-2020-16915等高危漏洞），请相关用户关注绿盟远程安全评估系统系统插件升级包的更新，及时升级至V6.0R02F01.2001 ，官网链接：http://update.nsfocus.com/update/listRsasDetail/v/vulsys
参考链接：
https://portal.msrc.microsoft.com/en-us/security-guidance/releasenotedetail/2020-Oct
二、重点漏洞简述
根据产品流行度和漏洞重要性筛选出此次更新中包含影响较大的漏洞，请相关用户重点进行关注：
CVE-2020-16898: Windows TCP/IP 远程代码执行漏洞
Windows TCP/IP协议栈在处理IMCPv6 Router Advertisement数据包时存在漏洞，攻击者可向受影响主机发送特制的ICMPv6 Router Advertisement数据包进行利用，实现在目标服务器或客户端上执行任意代码 。
官方通告链接：
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16898
CVE-2020-16947: Microsoft Outlook 远程代码执行漏洞
Microsoft Outlook 在处理内存中的对象时存在远程代码执行漏洞。当对电子邮件里的HTML内容进行解析时，程序在将用户提供的数据复制到固定长度的缓冲区之前，没有正确验证数据长度。攻击者可通过向受影响的Outlook服务器发送特制邮件来利用此漏洞。由于预览窗格可作为此漏洞的攻击媒介，因此受害者无需打开特制邮件，仅预览特制邮件即可受到攻击。成功利用此漏洞的攻击者可在目标系统上以System账户权限执行任意代码。
官方通告链接：
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16947
CVE-2020-16951/CVE-2020-16952：Microsoft SharePoint远程代码执行漏洞
Microsoft SharePoint在检查应用程序包的源标记时，存在两个远程代码执行漏洞（CVE-2020-16951、CVE-2020-16952）。攻击者可通过向受影响SharePoint上传特制SharePoint应用程序包来利用此漏洞，成功利用此漏洞的攻击者可在 SharePoint应用程序池和SharePoint服务器账户的上下文中执行任意代码。
官方通告链接：
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16951
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16952
CVE-2020-16891: Windows Hyper-V 远程执行代码漏洞
当Windows Hyper-V无法正确验证Guest操作系统上经身份验证的用户的输入时存在远程代码执行漏洞。攻击者可通过在Guest操作系统上运特制的程序来利用此漏洞，从而实现在Hyper-V宿主机的操作系统上执行任意代码。
官方通告链接：
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16891
CVE-2020-16911：GDI+ 远程代码执行漏洞
Windows 图形设备接口 (GDI) 在处理内存中的对象时存在远程代码执行漏洞。攻击者可通过多种方式利用此漏洞，在基于 Web 的攻击情形中，攻击者可诱导用户打开电子邮件附件或单击电子邮件或即时消息中的链接来访问利用此漏洞的恶意网站；在文件共享攻击情形中，攻击者可诱导用户打开利用此漏洞的特制文件。成功利用此漏洞的攻击者可在目标系统上以当前用户权限执行任意代码。
官方通告链接：
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16911
CVE-2020-16909：Windows Error Reporting 权限提升漏洞
Windows Error Reporting (WER) 在处理和运行文件时存在权限提升漏洞。经过身份验证的攻击者可通过在受影响的系统上运行特制程序进行利用，成功利用此漏洞的攻击者可获得更高的用户权限，具备对敏感信息和系统功能的更多访问权限
官方通告链接：
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16909
CVE-2020-16923：Microsoft 图形组件远程代码执行漏洞
Microsoft 图形组件在处理内存中的对象时存在远程代码执行漏洞。攻击者可通过诱导用户打开特制文件来进行利用，成功利用此漏洞的远程攻击者可在目标系统上执行任意代码。
官方通告链接：
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16923
三、影响范围
以下为重点关注漏洞的受影响产品版本，其他漏洞影响产品范围请参阅官方通告链接。
| 漏洞编号 | 受影响产品版本 |
| CVE-2020-16898 | Windows 10 Version 1709 for 32-bit Systems Windows 10 Version 1709 for ARM64-based Systems Windows 10 Version 1709 for x64-based Systems Windows 10 Version 1803 for 32-bit Systems Windows 10 Version 1803 for ARM64-based Systems Windows 10 Version 1803 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 1903 for 32-bit Systems Windows 10 Version 1903 for ARM64-based Systems Windows 10 Version 1903 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 Server 2019 Windows Server 2019 (Server Core installation) Windows Server, version 1903 (Server Core installation) Windows Server, version 1909 (Server Core installation) Windows Server, version 2004 (Server Core installation) |
| CVE-2020-16947 | Microsoft 365 Apps for Enterprise for 32-bit Systems Microsoft 365 Apps for Enterprise for 64-bit Systems Microsoft Office 2019 for 32-bit editions Microsoft Office 2019 for 64-bit editions Microsoft Outlook 2016 (32-bit edition) Microsoft Outlook 2016 (64-bit edition) |
| CVE-2020-16951 CVE-2020-16952 | Microsoft SharePoint Enterprise Server 2016 Microsoft SharePoint Foundation 2013 Service Pack 1 Microsoft SharePoint Server 2019 |
| CVE-2020-16891 | Windows 10 for x64-based Systems Windows 10 Version 1607 for x64-based Systems Windows 10 Version 1709 for x64-based Systems Windows 10 Version 1803 for x64-based Systems Windows 10 Version 1809 for x64-based Systems Windows 10 Version 1903 for x64-based Systems Windows 10 Version 1909 for x64-based Systems Windows 10 Version 2004 for x64-based Systems Windows 7 for x64-based Systems Service Pack 1 Windows 8.1 for x64-based systems 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 1903 (Server Core installation) Windows Server, version 1909 (Server Core installation) Windows Server, version 2004 (Server Core installation) |
| CVE-2020-16911 | 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 1709 for 32-bit Systems Windows 10 Version 1709 for ARM64-based Systems Windows 10 Version 1709 for x64-based Systems Windows 10 Version 1803 for 32-bit Systems Windows 10 Version 1803 for ARM64-based Systems Windows 10 Version 1803 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 1903 for 32-bit Systems Windows 10 Version 1903 for ARM64-based Systems Windows 10 Version 1903 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 8.1 for 32-bit systems Windows 8.1 for x64-based systems Windows RT 8.1 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 1903 (Server Core installation) Windows Server, version 1909 (Server Core installation) Windows Server, version 2004 (Server Core installation) |
| CVE-2020-16909 | Windows 10 Version 1709 for 32-bit Systems Windows 10 Version 1709 for ARM64-based Systems Windows 10 Version 1709 for x64-based Systems Windows 10 Version 1803 for 32-bit Systems Windows 10 Version 1803 for ARM64-based Systems Windows 10 Version 1803 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 1903 for 32-bit Systems Windows 10 Version 1903 for ARM64-based Systems Windows 10 Version 1903 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 Server 2016 Windows Server 2016 (Server Core installation) Windows Server 2019 Windows Server 2019 (Server Core installation) Windows Server, version 1903 (Server Core installation) Windows Server, version 1909 (Server Core installation) Windows Server, version 2004 (Server Core installation) |
| CVE-2020-16923 | 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 1709 for 32-bit Systems Windows 10 Version 1709 for ARM64-based Systems Windows 10 Version 1709 for x64-based Systems Windows 10 Version 1803 for 32-bit Systems Windows 10 Version 1803 for ARM64-based Systems Windows 10 Version 1803 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 1903 for 32-bit Systems Windows 10 Version 1903 for ARM64-based Systems Windows 10 Version 1903 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 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 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 1903 (Server Core installation) Windows Server, version 1909 (Server Core installation) Windows Server, version 2004 (Server Core installation) |
四、漏洞防护
4.1 补丁更新
目前微软官方已针对受支持的产品版本发布了修复以上漏洞的安全补丁，强烈建议受影响用户尽快安装补丁进行防护，官方下载链接：
https://portal.msrc.microsoft.com/en-us/security-guidance/releasenotedetail/2020-Oct
注：由于网络问题、计算机环境问题等原因，Windows Update的补丁更新可能出现失败。用户在安装补丁后，应及时检查补丁是否成功更新。
右键点击Windows图标，选择“设置(N)”，选择“更新和安全”-“Windows更新”，查看该页面上的提示信息，也可点击“查看更新历史记录”查看历史更新情况。
针对未成功安装的更新，可点击更新名称跳转到微软官方下载页面，建议用户点击该页面上的链接，转到“Microsoft更新目录”网站下载独立程序包并安装。
附录：漏洞列表
| 影响产品 | CVE 编号 | 漏洞标题 | 严重程度 |
| Windows | CVE-2020-16891 | Windows Hyper-V 远程代码执行漏洞 | Critical |
| Windows | CVE-2020-16923 | Microsoft Graphics Components 远程代码执行漏洞 | Critical |
| Apps | CVE-2020-17003 | Base3D 远程代码执行漏洞 | Critical |
| Windows | CVE-2020-16898 | Windows TCP/IP 远程代码执行漏洞 | Critical |
| Windows | CVE-2020-16911 | GDI+ 远程代码执行漏洞 | Critical |
| Windows | CVE-2020-16915 | Media Foundation 内存泄露漏洞 | Critical |
| Microsoft Office | CVE-2020-16947 | Microsoft Outlook 远程代码执行漏洞 | Critical |
| Microsoft Office | CVE-2020-16951 | Microsoft SharePoint 远程代码执行漏洞 | Critical |
| Microsoft Office | CVE-2020-16952 | Microsoft SharePoint 远程代码执行漏洞 | Critical |
| Other | ADV200012 | October 2020 Adobe Flash Security Update | Critical |
| Windows | CVE-2020-16967 | Windows Camera Codec Pack 远程代码执行漏洞 | Critical |
| Windows | CVE-2020-16968 | Windows Camera Codec Pack 远程代码执行漏洞 | Critical |
| Windows | CVE-2020-16863 | Windows Remote Desktop Service 拒绝服务漏洞 | Important |
| Windows | CVE-2020-16876 | Windows Application Compatibility Client Library 权限提升漏洞 | Important |
| Windows | CVE-2020-16877 | Windows 权限提升漏洞 | Important |
| Windows | CVE-2020-16889 | Windows KernelStream 信息披露漏洞 | Important |
| Windows | CVE-2020-16890 | Windows Kernel 权限提升漏洞 | Important |
| Windows | CVE-2020-16892 | Windows Image 权限提升漏洞 | Important |
| Windows | CVE-2020-16894 | Windows NAT 远程代码执行漏洞 | Important |
| Windows | CVE-2020-16895 | Windows Error Reporting Manager 权限提升漏洞 | Important |
| Windows | CVE-2020-16896 | Windows Remote Desktop Protocol (RDP) 信息披露漏洞 | Important |
| Windows | CVE-2020-16897 | NetBT 信息披露漏洞 | Important |
| Azure | CVE-2020-16904 | Azure Functions 权限提升漏洞 | Important |
| Apps,Microsoft Office | CVE-2020-16918 | Base3D 远程代码执行漏洞 | Important |
| Windows | CVE-2020-16919 | Windows Enterprise App Management Service 信息披露漏洞 | Important |
| Windows | CVE-2020-16920 | Windows Application Compatibility Client Library 权限提升漏洞 | Important |
| Windows | CVE-2020-16921 | Windows Text Services Framework 信息披露漏洞 | Important |
| Windows | CVE-2020-16922 | Windows 欺骗漏洞 | Important |
| Windows | CVE-2020-16924 | Jet Database Engine 远程代码执行漏洞 | Important |
| Windows | CVE-2020-16927 | Windows Remote Desktop Protocol (RDP) 拒绝服务漏洞 | Important |
| Microsoft Office | CVE-2020-16928 | Microsoft Office Click-to-Run 权限提升漏洞 | Important |
| Microsoft Office | CVE-2020-16929 | Microsoft Excel 远程代码执行漏洞 | Important |
| Microsoft Office | CVE-2020-16930 | Microsoft Excel 远程代码执行漏洞 | Important |
| Microsoft Office | CVE-2020-16931 | Microsoft Excel 远程代码执行漏洞 | Important |
| Microsoft Office | CVE-2020-16932 | Microsoft Excel 远程代码执行漏洞 | Important |
| Microsoft Office | CVE-2020-16933 | Microsoft Word Security 功能绕过 | Important |
| Microsoft Office | CVE-2020-16934 | Microsoft Office Click-to-Run 权限提升漏洞 | Important |
| Windows | CVE-2020-16935 | Windows COM Server 权限提升漏洞 | Important |
| Windows | CVE-2020-16938 | Windows Kernel 信息披露漏洞 | Important |
| Microsoft Office | CVE-2020-16941 | Microsoft SharePoint 信息披露漏洞 | Important |
| Microsoft Office | CVE-2020-16942 | Microsoft SharePoint 信息披露漏洞 | Important |
| Microsoft Office | CVE-2020-16948 | Microsoft SharePoint 信息披露漏洞 | Important |
| Microsoft Office | CVE-2020-16953 | Microsoft SharePoint 信息披露漏洞 | Important |
| Microsoft Office | CVE-2020-16954 | Microsoft Office 远程代码执行漏洞 | Important |
| Exchange Server | CVE-2020-16969 | Microsoft Exchange 信息披露漏洞 | Important |
| Windows | CVE-2020-16976 | Windows Backup Service 权限提升漏洞 | Important |
| Visual Studio Code | CVE-2020-16977 | Visual Studio Code Python Extension 远程代码执行漏洞 | Important |
| Azure | CVE-2020-16995 | Network Watcher Agent Virtual Machine Extension for Linux 权限提升漏洞 | Important |
| Windows | CVE-2020-0764 | Windows Storage Services 权限提升漏洞 | Important |
| Windows | CVE-2020-1047 | Windows Hyper-V 权限提升漏洞 | Important |
| Windows | CVE-2020-1080 | Windows Hyper-V 权限提升漏洞 | Important |
| Windows | CVE-2020-1167 | Microsoft Graphics Components 远程代码执行漏洞 | Important |
| Windows | CVE-2020-1243 | Windows Hyper-V 拒绝服务漏洞 | Important |
| Windows | CVE-2020-16885 | Windows Storage VSP Driver 权限提升漏洞 | Important |
| PowerShellGet | CVE-2020-16886 | PowerShellGet Module WDAC Security 功能绕过 | Important |
| Windows | CVE-2020-16887 | Windows Network Connections Service 权限提升漏洞 | Important |
| Windows | CVE-2020-16899 | Windows TCP/IP 拒绝服务漏洞 | Important |
| Windows | CVE-2020-16900 | Windows Event System 权限提升漏洞 | Important |
| Windows | CVE-2020-16901 | Windows Kernel 信息披露漏洞 | Important |
| Windows | CVE-2020-16902 | Windows Installer 权限提升漏洞 | Important |
| Windows | CVE-2020-16905 | Windows Error Reporting 权限提升漏洞 | Important |
| Windows | CVE-2020-16907 | Win32k 权限提升漏洞 | Important |
| Windows | CVE-2020-16908 | Windows Setup 权限提升漏洞 | Important |
| Windows | CVE-2020-16909 | Windows Error Reporting 权限提升漏洞 | Important |
| Windows | CVE-2020-16910 | Windows Security 功能绕过 | Important |
| Windows | CVE-2020-16912 | Windows Backup Service 权限提升漏洞 | Important |
| Windows | CVE-2020-16913 | Win32k 权限提升漏洞 | Important |
| Windows | CVE-2020-16914 | Windows GDI+ 信息披露漏洞 | Important |
| Windows | CVE-2020-16916 | Windows COM Server 权限提升漏洞 | Important |
| Windows | CVE-2020-16936 | Windows Backup Service 权限提升漏洞 | Important |
| Microsoft .NET Framework | CVE-2020-16937 | .NET Framework 信息披露漏洞 | Important |
| Windows | CVE-2020-16939 | Group Policy 权限提升漏洞 | Important |
| Windows | CVE-2020-16940 | Windows – User Profile Service 权限提升漏洞 | Important |
| Microsoft Dynamics | CVE-2020-16943 | Dynamics 365 Commerce 权限提升漏洞 | Important |
| Microsoft Office | CVE-2020-16944 | Microsoft SharePoint Reflective XSS漏洞 | Important |
| Microsoft Office | CVE-2020-16945 | Microsoft Office SharePoint XSS漏洞 | Important |
| Microsoft Office | CVE-2020-16946 | Microsoft Office SharePoint XSS漏洞 | Important |
| Microsoft Office | CVE-2020-16950 | Microsoft SharePoint 信息披露漏洞 | Important |
| Microsoft Office | CVE-2020-16955 | Microsoft Office Click-to-Run 权限提升漏洞 | Important |
| Microsoft Dynamics | CVE-2020-16956 | Microsoft Dynamics 365 (On-Premise) 跨站脚本漏洞 | Important |
| Microsoft Office | CVE-2020-16957 | Microsoft Office Access Connectivity Engine 远程代码执行漏洞 | Important |
| Windows | CVE-2020-16972 | Windows Backup Service 权限提升漏洞 | Important |
| Windows | CVE-2020-16973 | Windows Backup Service 权限提升漏洞 | Important |
| Windows | CVE-2020-16974 | Windows Backup Service 权限提升漏洞 | Important |
| Windows | CVE-2020-16975 | Windows Backup Service 权限提升漏洞 | Important |
| Microsoft Dynamics | CVE-2020-16978 | Microsoft Dynamics 365 (On-Premise) 跨站脚本漏洞 | Important |
| Windows | CVE-2020-16980 | Windows iSCSI Target Service 权限提升漏洞 | Important |
| Microsoft Office | CVE-2020-16949 | Microsoft Outlook 拒绝服务漏洞 | Moderate |