【漏洞通告】Windows Kerberos 安全功能绕过漏洞

01 漏洞概况

Kerberos是一种计算机网络授权协议，用来在非安全网络中，对个人通信以安全的手段进行身份认证。其中存在安全功能绕过漏洞，攻击者可以利用该漏洞在绕过目标系统上的安全功能，做出规定之外的行为。

02 漏洞处置

综合处置优先级：高

漏洞信息	漏洞名称	Windows Kerberos 安全功能绕过漏洞
漏洞编号	CVE编号	CVE-2024-20674
漏洞评估	披露时间	2024-01-09
	漏洞类型	绕过认证
	危害评级	高危
	公开程度	PoC未公开
	威胁类型	远程
利用情报	在野利用	是
影响产品	产品名称	Windows Kerberos
	受影响版本	23H2 Edition (Server Core installation) Windows 11 Version 23H2 for x64-based Systems Windows 11 Version 23H2 for ARM64-based Systems Windows 10 Version 22H2 for 32-bit Systems 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 (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 Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) Windows Server 2008 for x64-based 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 Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) Windows Server 2008 for 32-bit Systems Service Pack 2 Windows Server 2008 for 32-bit Systems Service Pack 2 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 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 22H2 for ARM64-based Systems 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 version 21H2 for ARM64-based Systems Windows 11 version 21H2 for x64-based Systems Windows Server 2022 (Server Core installation) Windows Server 2022 Windows Server 2012 R2 (Server Core installation) Windows Server 2012 R2 Windows Server 2022
	影响范围	广
	有无修复补丁	有

03 漏洞排查

用户尽快排查系统是否下载安全补丁

04 修复方案

官方修复方案：

微软官方已更新受影响软件的安全补丁，用户可根据不同系统版本下载安装对应的安全补丁，安全更新链接如下：https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-20674

05 时间线

  2024.01.09 厂商发布安全补丁

      2024.01.11 安迈信科安全运营团队发布通告

   

原文始发于微信公众号（安迈信科应急响应中心）：【漏洞通告】Windows Kerberos 安全功能绕过漏洞