【漏洞通告】Powershell远程代码执行漏洞CVE-2022-41076

admin 2023年1月11日01:07:42安全漏洞评论85 views4325字阅读14分25秒阅读模式
【漏洞通告】Powershell远程代码执行漏洞CVE-2022-41076

漏洞名称:

Powershell远程代码执行漏洞

组件名称:

Powershell

影响范围:

Windows 10 Version 21H1 for ARM64-based Systems

Windows 10 Version 21H1 for x64-based Systems

Windows Server 2019 (Server Core installation)

Windows Server 2019

Windows 10 Version 1809 for ARM64-based Systems

Windows 10 Version 1809 for x64-based Systems

Windows 10 Version 1809 for 32-bit 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 2022 Datacenter: Azure Edition

Windows Server 2022 (Server Core installation)

Windows Server 2022

Windows 10 Version 21H1 for 32-bit Systems

Windows Server 2012 R2 (Server Core installation)

Windows Server 2012 R2

Windows Server 2012 (Server Core installation)

Windows Server 2012

Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)

Windows Server 2008 R2 for x64-based Systems Service Pack 1

Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core   installation)

Windows 10 Version 22H2 for x64-based Systems

Windows 11 Version 22H2 for x64-based Systems

Windows 11 Version 22H2 for ARM64-based Systems

Windows 10 Version 21H2 for x64-based Systems

Windows 10 Version 21H2 for ARM64-based Systems

Windows 10 Version 21H2 for 32-bit Systems

Windows 11 for ARM64-based Systems

Windows 11 for x64-based Systems

Windows Server 2008 for x64-based Systems Service Pack 2

Windows Server 2008 for 32-bit Systems Service Pack 2(Server Core installation)

Windows Server 2008 for 32-bit Systems Service 

Pack 2

Windows RT 8.1

Windows 8.1 for x64-based systems

Windows 8.1 for 32-bit systems

Windows 7 for x64-based Systems Service Pack 1

Windows 7 for 32-bit Systems Service Pack 1

Windows Server 2016 (Server Core installation)

Windows Server 2016

Windows 10 Version 1607 for x64-based Systems

Windows 10 Version 1607 for 32-bit Systems

Windows 10 for x64-based Systems

Windows 10 for 32-bit Systems

Windows 10 Version 22H2 for 32-bit Systems

Windows 10 Version 22H2 for ARM64-based Systems

PowerShell 7.2

PowerShell 7.3

漏洞类型:

远程命令执行

利用条件:

1、用户认证:需要用户认证

2、前置条件:开启Powershell Remoting

3、触发方式:远程

综合评价:

<综合评定利用难度>:容易,普通用户认证。

<综合评定威胁等级>:高危,能造成远程代码执行。

官方解决方案:

已发布


漏洞分析

【漏洞通告】Powershell远程代码执行漏洞CVE-2022-41076

组件介绍

PowerShell 是一种现代命令 shell,包含其他流行 shell 的最佳功能。与大多数只接受和返回文本的 shell 不同,PowerShell 接受并返回 .NET 对象, 是一个跨平台的任务自动化解决方案, 同时支持连接到远程计算机以执行特定的系统命令。

【漏洞通告】Powershell远程代码执行漏洞CVE-2022-41076

漏洞简介

近日,深信服安全团队监测到一则Powershell组件存在远程代码执行漏洞的信息,漏洞编号:CVE-2022-41076,漏洞威胁等级:高危,漏洞命名:Tabshell。


该漏洞是由于Powershell提供的Powershell Remoting运行环境对用户输入验证不足, 攻击者可利用该漏洞在获得权限的情况下,构造特殊的恶意数据来逃逸限制环境并执行任意的Powershell命令,最终获取服务器最高权限。

影响范围

目前受影响的版本:

Windows 10 Version 21H1 for ARM64-based Systems

Windows 10 Version 21H1 for x64-based Systems

Windows Server 2019 (Server Core installation)

Windows Server 2019

Windows 10 Version 1809 for ARM64-based Systems

Windows 10 Version 1809 for x64-based Systems

Windows 10 Version 1809 for 32-bit 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 2022 Datacenter: Azure Edition

Windows Server 2022 (Server Core installation)

Windows Server 2022

Windows 10 Version 21H1 for 32-bit Systems

Windows Server 2012 R2 (Server Core installation)

Windows Server 2012 R2

Windows Server 2012 (Server Core installation)

Windows Server 2012

Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)

Windows Server 2008 R2 for x64-based Systems Service Pack 1

Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core   installation)

Windows 10 Version 22H2 for x64-based Systems

Windows 11 Version 22H2 for x64-based Systems

Windows 11 Version 22H2 for ARM64-based Systems

Windows 10 Version 21H2 for x64-based Systems

Windows 10 Version 21H2 for ARM64-based Systems

Windows 10 Version 21H2 for 32-bit Systems

Windows 11 for ARM64-based Systems

Windows 11 for x64-based Systems

Windows Server 2008 for x64-based Systems Service Pack 2

Windows Server 2008 for 32-bit Systems Service Pack 2(Server Core installation)

Windows Server 2008 for 32-bit Systems Service Pack 2

Windows RT 8.1

Windows 8.1 for x64-based systems

Windows 8.1 for 32-bit systems

Windows 7 for x64-based Systems Service Pack 1

Windows 7 for 32-bit Systems Service Pack 1

Windows Server 2016 (Server Core installation)

Windows Server 2016

Windows 10 Version 1607 for x64-based Systems

Windows 10 Version 1607 for 32-bit Systems

Windows 10 for x64-based Systems

Windows 10 for 32-bit Systems

Windows 10 Version 22H2 for 32-bit Systems

Windows 10 Version 22H2 for ARM64-based Systems

PowerShell 7.2

PowerShell 7.3

解决方案

【漏洞通告】Powershell远程代码执行漏洞CVE-2022-41076

官方修复建议

当前官方已发布最新版本,建议受影响的用户及时更新升级到最新版本。链接如下:

https://msrc.microsoft.com/updateguide/vulnerability/CVE-2022-41076

参考链接


https://msrc.microsoft.com/updateguide/vulnerability/CVE-2022-41076

时间轴


2022/12/14

微软例行补丁日,微软官网发布漏洞安全公告。

2022/12/14

深信服千里目安全技术中心发布12月微软补丁日漏洞通告。

2023/1/10

深信服千里目安全技术中心复现漏洞并发布漏洞通告。


点击阅读原文,及时关注并登录深信服智安全平台,可轻松查询漏洞相关解决方案。

【漏洞通告】Powershell远程代码执行漏洞CVE-2022-41076

【漏洞通告】Powershell远程代码执行漏洞CVE-2022-41076




原文始发于微信公众号(深信服千里目安全技术中心):【漏洞通告】Powershell远程代码执行漏洞CVE-2022-41076

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  • 本文由 发表于 2023年1月11日01:07:42
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