一、 基本情况
Windows Lightweight Directory Access Protocol (LDAP) 是一种基于 LDAP 协议的轻量级目录访问协议，广泛用于 Windows Active Directory (AD) 环境中，用来访问和管理目录服务信息。
二、 漏洞描述
Windows Lightweight Directory Access Protocol远程代码执行漏洞（CVE-2024-49112，CVSS评分9.8）的技术细节及PoC在互联网上公开。
Windows LDAP 服务的 wldap32.dll 中存在整数溢出问题，攻击者可以通过未认证的特制DCE/RPC调用（或通过其他方式）诱使目标服务器（作为 LDAP 客户端）向攻击者控制的恶意 LDAP 服务器发起查询请求，当恶意 LDAP 服务器返回特制的、恶意构造的响应时，可能触发目标服务器中的漏洞，进而导致 LSASS崩溃，引发系统重启，并可能进一步利用该漏洞导致远程代码执行。
三、 影响范围
Windows 10 for x64-based Systems
Windows 10 for 32-bit Systems
Windows Server 2025
Windows 11 Version 24H2 for x64-based Systems
Windows 11 Version 24H2 for ARM64-based Systems
Windows Server 2022, 23H2 Edition (Server Core installation)
Windows 11 Version 23H2 for x64-based Systems
Windows 11 Version 23H2 for ARM64-based Systems
Windows Server 2025 (Server Core installation)
Windows 10 Version 22H2 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 Server 2022 (Server Core installation)
Windows Server 2022
Windows Server 2019 (Server Core installation)
Windows Server 2019
Windows 10 Version 1809 for x64-based Systems
Windows 10 Version 1809 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 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 Server 2016 (Server Core installation)
Windows Server 2016
Windows 10 Version 1607 for x64-based Systems
Windows 10 Version 1607 for 32-bit Systems
四、 修复建议
目前微软已发布该漏洞的安全更新，受影响的用户可在更新可用时及时修复。
