【安全更新】微软2月安全更新多个产品高危漏洞通告

2021-03-03 15:27:33 浏览数 (1)

通告编号:NS-2021-0008

2021-02-10

TAG：

安全更新、Windows、Office、Exchange、Visual Studio、.NET Framework

漏洞危害：

攻击者利用本次安全更新中的漏洞，可造成信息泄露、权限提升、远程代码执行等。

版本：

1.0

1

漏洞概述

北京时间2月10日，微软发布2月安全更新补丁，修复了56个安全问题，涉及Microsoft Windows、Microsoft Office、Microsoft Exchange Server、Visual Studio、Microsoft .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）的漏洞有11个，重要（Important）漏洞有43个。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。

参考链接：

https://msrc.microsoft.com/update-guide/releaseNote/2021-Feb

SEE MORE →

2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：

Windows Installer权限提升漏洞（CVE-2021-1727）：

此漏洞为（CVE-2020-16902）的补丁绕过，拥有低权限的用户帐户的攻击者，利用此漏洞提升账户权限，从而目标主机控制权限，此前已有此漏洞的利用方式公开。

官方通告链接：

https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-1727

Windows Win32k权限提升漏洞（CVE-2021-1732）：

Windows内核模式驱动对内存对象处理不当导致的权限提升漏洞，经过身份验证的本地攻击者可利用此漏洞在目标系统上提升其权限以执行任意代码。目前已监测到在野利用。

官方通告链接：

https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-1732

Windows TCP/IP远程代码执行漏洞（CVE-2021-24074）：

Windows IPv4 协议栈中存在一个远程代码执行漏洞，远程攻击者通过构造特制的数据包，可在目标主机上远程执行任意代码。

官方通告链接：

https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-24074

Windows DNS Server 远程代码执行漏洞（CVE-2021-24078）：

未经身份认证的攻击者通过向受影响的DNS服务器发送特制数据包，即可在目标系统上以本地系统账户权限执行任意代码。

官方通告链接：

https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-24078

Windows TCP/IP拒绝服务漏洞（CVE-2021-24086）：

Windows IPv6协议栈存在一个拒绝服务漏洞，远程攻击者通过向受影响的主机发送特别构造的数据包，可导致目标系统拒绝服务。

官方通告链接：

https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-24086

Windows TCP/IP远程代码执行漏洞（CVE-2021-24094）：

Windows IPv6协议栈存在一个远程代码执行漏洞，远程攻击者通过构造特制的数据包，可在目标主机上远程执行任意代码。

官方通告链接：

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-24094

Windows控制台驱动程序拒绝服务漏洞（CVE-2021-24098）：

ConDrv.sys存在一个拒绝服务（DoS）漏洞，该漏洞会在Windows 10系统上触发蓝屏（BSOD）。攻击者通过诱使用户点击链接（通常是通过电子邮件或即时通讯消息的方式），然后打开特制文件触发此漏洞。前段时间利用方式已被大肆传播。

官方通告链接：

https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-24098

.NET Core远程执行代码漏洞（CVE-2021-26701）：

.NET Core 存在一个远程代码执行漏洞，远程攻击者可利用此漏洞获得目标主机控制权限，目前漏洞细节信息已公开。建议用户及开发者谨慎打开和使用 .NET 相关组件和应用程序。

官方通告链接：

https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-26701

3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-2021-1727

Windows Server 2012 R2 (Server Core installation)Windows Server 2012 R2Windows Server 2012 (Server Core installation)Windows Server 2012Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)Windows Server 2008 R2 for x64-based Systems Service Pack 1Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)Windows Server 2008 for x64-based Systems Service Pack 2Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation)Windows Server 2008 for 32-bit Systems Service Pack 2Windows RT 8.1Windows 8.1 for x64-based systemsWindows 8.1 for 32-bit systemsWindows 7 for x64-based Systems Service Pack 1Windows 7 for 32-bit Systems Service Pack 1Windows Server 2016 (Server Core installation)Windows Server 2016Windows 10 Version 1607 for x64-based SystemsWindows 10 Version 1607 for 32-bit SystemsWindows 10 for x64-based SystemsWindows 10 for 32-bit SystemsWindows Server, version 20H2 (Server Core Installation)Windows 10 Version 20H2 for ARM64-based SystemsWindows 10 Version 20H2 for 32-bit SystemsWindows 10 Version 20H2 for x64-based SystemsWindows Server, version 2004 (Server Core installation)Windows 10 Version 2004 for x64-based SystemsWindows 10 Version 2004 for ARM64-based SystemsWindows 10 Version 2004 for 32-bit SystemsWindows Server, version 1909 (Server Core installation)Windows 10 Version 1909 for ARM64-based SystemsWindows 10 Version 1909 for x64-based SystemsWindows 10 Version 1909 for 32-bit SystemsWindows Server 2019 (Server Core installation)Windows Server 2019Windows 10 Version 1809 for ARM64-based SystemsWindows 10 Version 1809 for x64-based SystemsWindows 10 Version 1809 for 32-bit SystemsWindows 10 Version 1803 for ARM64-based SystemsWindows 10 Version 1803 for x64-based SystemsWindows 10 Version 1803 for 32-bit Systems

CVE-2021-1732

Windows Server, version 20H2 (Server Core Installation)Windows 10 Version 20H2 for ARM64-based SystemsWindows 10 Version 20H2 for 32-bit SystemsWindows 10 Version 20H2 for x64-based SystemsWindows Server, version 2004 (Server Core installation)Windows 10 Version 2004 for x64-based SystemsWindows 10 Version 2004 for ARM64-based SystemsWindows 10 Version 2004 for 32-bit SystemsWindows Server, version 1909 (Server Core installation)Windows 10 Version 1909 for ARM64-based SystemsWindows 10 Version 1909 for x64-based SystemsWindows 10 Version 1909 for 32-bit SystemsWindows Server 2019 (Server Core installation)Windows Server 2019Windows 10 Version 1809 for ARM64-based SystemsWindows 10 Version 1809 for x64-based SystemsWindows 10 Version 1809 for 32-bit SystemsWindows 10 Version 1803 for ARM64-based SystemsWindows 10 Version 1803 for x64-based SystemsWindows 10 Version 1803 for 32-bit Systems

CVE-2021-24078

Windows Server 2012 R2 (Server Core installation)Windows Server 2012 R2Windows Server 2012 (Server Core installation)Windows Server 2012Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)Windows Server 2008 R2 for x64-based Systems Service Pack 1Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)Windows Server 2008 for x64-based Systems Service Pack 2Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation)Windows Server 2008 for 32-bit Systems Service Pack 2Windows Server 2016 (Server Core installation)Windows Server 2016Windows Server, version 20H2 (Server Core Installation)Windows Server, version 2004 (Server Core installation)Windows Server, version 1909 (Server Core installation)Windows Server 2019 (Server Core installation)Windows Server 2019

CVE-2021-24074CVE-2021-24086CVE-2021-24094

Windows Server, version 20H2 (Server Core Installation)Windows 10 Version 20H2 for ARM64-based SystemsWindows 10 Version 20H2 for 32-bit SystemsWindows 10 Version 20H2 for x64-based SystemsWindows Server, version 2004 (Server Core installation)Windows 10 Version 2004 for x64-based SystemsWindows 10 Version 2004 for ARM64-based SystemsWindows 10 Version 2004 for 32-bit SystemsWindows Server, version 1909 (Server Core installation)Windows 10 Version 1909 for ARM64-based SystemsWindows 10 Version 1909 for x64-based SystemsWindows 10 Version 1909 for 32-bit SystemsWindows Server 2012 R2 (Server Core installation)Windows Server 2012 R2Windows Server 2012 (Server Core installation)Windows Server 2012Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)Windows Server 2008 R2 for x64-based Systems Service Pack 1Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)Windows Server 2008 for x64-based Systems Service Pack 2Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation)Windows Server 2008 for 32-bit Systems Service Pack 2Windows RT 8.1Windows 8.1 for x64-based systemsWindows 8.1 for 32-bit systemsWindows 7 for x64-based Systems Service Pack 1Windows 7 for 32-bit Systems Service Pack 1Windows Server 2016 (Server Core installation)Windows Server 2016Windows 10 Version 1607 for x64-based SystemsWindows 10 Version 1607 for 32-bit SystemsWindows 10 for x64-based SystemsWindows 10 for 32-bit SystemsWindows Server 2019 (Server Core installation)Windows Server 2019Windows 10 Version 1809 for ARM64-based SystemsWindows 10 Version 1809 for x64-based SystemsWindows 10 Version 1809 for 32-bit SystemsWindows 10 Version 1803 for ARM64-based SystemsWindows 10 Version 1803 for x64-based SystemsWindows 10 Version 1803 for 32-bit Systems

CVE-2021-24098

Windows Server, version 1909 (Server Core installation)Windows 10 Version 1909 for ARM64-based SystemsWindows 10 Version 1909 for x64-based SystemsWindows 10 Version 1909 for 32-bit SystemsWindows Server 2019 (Server Core installation)Windows Server 2019Windows 10 Version 1809 for ARM64-based SystemsWindows 10 Version 1809 for x64-based SystemsWindows 10 Version 1809 for 32-bit SystemsWindows 10 Version 1803 for ARM64-based SystemsWindows 10 Version 1803 for x64-based SystemsWindows 10 Version 1803 for 32-bit SystemsWindows Server, version 20H2 (Server Core Installation)Windows 10 Version 20H2 for ARM64-based SystemsWindows 10 Version 20H2 for 32-bit SystemsWindows 10 Version 20H2 for x64-based SystemsWindows Server, version 2004 (Server Core installation)Windows 10 Version 2004 for x64-based SystemsWindows 10 Version 2004 for ARM64-based SystemsWindows 10 Version 2004 for 32-bit Systems

CVE-2021-26701

.NET 5.0.NET Core 3.1.NET Core 2.1

4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://msrc.microsoft.com/update-guide/releaseNote/2021-Feb

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-2021-1722

Windows Fax Service 远程代码执行漏洞

Critical

Windows

CVE-2021-24093

Windows Graphics Component 远程代码执行漏洞

Critical

.NET Core,.NET

CVE-2021-24112

.NET Core 远程代码执行漏洞

Critical

.NET Core,.NET

CVE-2021-26701

.NET Core 远程代码执行漏洞

Critical

Windows

CVE-2021-24074

Windows TCP/IP 远程代码执行漏洞

Critical

Windows

CVE-2021-24077

Windows Fax Service 远程代码执行漏洞

Critical

Windows

CVE-2021-24078

Windows DNS Server 远程代码执行漏洞

Critical

Windows

CVE-2021-24081

Microsoft Windows Codecs Library 远程代码执行漏洞

Critical

Windows

CVE-2021-24088

Windows Local Spooler 远程代码执行漏洞

Critical

Windows

CVE-2021-24091

Windows Camera Codec Pack 远程代码执行漏洞

Critical

Windows

CVE-2021-24094

Windows TCP/IP 远程代码执行漏洞

Critical

Visual Studio Code,Microsoft Visual Studio

CVE-2021-1639

Visual Studio Code 远程代码执行漏洞

Important

Microsoft Visual Studio,.NET,.NET Core

CVE-2021-1721

.NET Core and Visual Studio 拒绝服务漏洞

Important

Microsoft Dynamics

CVE-2021-1724

Microsoft Dynamics Business Central 跨站脚本漏洞

Important

System Center

CVE-2021-1728

System Center Operations Manager 权限提升漏洞

Important

Windows

CVE-2021-1731

PFX Encryption 安全功能绕过漏洞

Important

Windows

CVE-2021-1732

Windows Win32k 权限提升漏洞

Important

PsExec

CVE-2021-1733

Sysinternals PsExec 权限提升漏洞

Important

Windows

CVE-2021-1734

Windows Remote Procedure Call 信息披露漏洞

Important

Windows

CVE-2021-1698

Windows Win32k 权限提升漏洞

Important

Windows

CVE-2021-25195

Windows PKU2U 权限提升漏洞

Important

Exchange Server

CVE-2021-24085

Microsoft Exchange Server 欺骗漏洞

Important

Azure

CVE-2021-24087

Azure IoT CLI extension 权限提升漏洞

Important

Windows

CVE-2021-24096

Windows Kernel 权限提升漏洞

Important

Microsoft Edge for Android

CVE-2021-24100

Microsoft Edge for Android 信息披露漏洞

Important

Microsoft Dynamics

CVE-2021-24101

Microsoft Dataverse 信息披露漏洞

Important

Visual Studio Code - npm-script Extension

CVE-2021-26700

Visual Studio Code npm-script Extension 远程代码执行漏洞

Important

Microsoft Office

CVE-2021-24114

Microsoft Teams iOS 信息披露漏洞

Important

Microsoft Office

CVE-2021-1726

Microsoft SharePoint 欺骗漏洞

Important

Windows

CVE-2021-1727

Windows Installer 权限提升漏洞

Important

Exchange Server

CVE-2021-1730

Microsoft Exchange Server 欺骗漏洞

Important

Microsoft Office

CVE-2021-24066

Microsoft SharePoint 远程代码执行漏洞

Important

Microsoft Office

CVE-2021-24067

Microsoft Excel 远程代码执行漏洞

Important

Microsoft Office

CVE-2021-24068

Microsoft Excel 远程代码执行漏洞

Important

Microsoft Office

CVE-2021-24069

Microsoft Excel 远程代码执行漏洞

Important

Microsoft Office

CVE-2021-24070

Microsoft Excel 远程代码执行漏洞

Important

Microsoft Office

CVE-2021-24071

Microsoft SharePoint 信息披露漏洞

Important

Microsoft Office

CVE-2021-24072

Microsoft SharePoint Server 远程代码执行漏洞

Important

Microsoft Office

CVE-2021-24073

Skype for Business and Lync 欺骗漏洞

Important

Windows

CVE-2021-24075

Windows Network File System 拒绝服务漏洞

Important

Windows

CVE-2021-24076

Microsoft Windows VMSwitch 信息披露漏洞

Important

Windows

CVE-2021-24079

Windows Backup Engine 信息披露漏洞

Important

Windows

CVE-2021-24082

Microsoft.PowerShell.Utility Module WDAC 安全功能绕过漏洞

Important

Windows

CVE-2021-24083

Windows Address Book 远程代码执行漏洞

Important

Windows

CVE-2021-24084

Windows Mobile Device Management 信息披露漏洞

Important

Windows

CVE-2021-24086

Windows TCP/IP 拒绝服务漏洞

Important

System Center

CVE-2021-24092

Microsoft Defender 权限提升漏洞

Important

Windows

CVE-2021-24098

Windows Console Driver 拒绝服务漏洞

Important

Microsoft Office

CVE-2021-24099

Skype for Business and Lync 拒绝服务漏洞

Important

Windows

CVE-2021-24102

Windows Event Tracing 权限提升漏洞

Important

Windows

CVE-2021-24103

Windows Event Tracing 权限提升漏洞

Important

Package Manager Configurations

CVE-2021-24105

Package Managers Configurations 远程代码执行漏洞

Important

Windows

CVE-2021-24106

Windows DirectX 信息披露漏洞

Important

Microsoft .NET Framework

CVE-2021-24111

.NET Framework 拒绝服务漏洞

Important

Windows

CVE-2021-24080

Windows Trust Verification API 拒绝服务漏洞

Moderate

Azure

CVE-2021-24109

Microsoft Azure Kubernetes Service 权限提升漏洞

Moderate

END

作者：绿盟科技威胁对抗能力部

声明

本安全公告仅用来描述可能存在的安全问题，绿盟科技不为此安全公告提供任何保证或承诺。由于传播、利用此安全公告所提供的信息而造成的任何直接或者间接的后果及损失，均由使用者本人负责，绿盟科技以及安全公告作者不为此承担任何责任。

绿盟科技拥有对此安全公告的修改和解释权。如欲转载或传播此安全公告，必须保证此安全公告的完整性，包括版权声明等全部内容。未经绿盟科技允许，不得任意修改或者增减此安全公告内容，不得以任何方式将其用于商业目的。

windows 网络安全 安全 linux arm

0 人点赞