| TAG： | Windows、LDAP、拒绝服务、CVE-2024-49113 |
| 漏洞危害： | 攻击者利用此漏洞，可导致拒绝服务或信息泄露 |
| 版本： | 1.0 |
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。
绿盟科技已成功复现此漏洞：
参考链接：
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-49113
受影响版本：
- Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation)
- 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
- 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 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
3.1 人工检测
相关用户可通过查看系统版本与补丁信息的方法判断当前系统是否存在风险。
1、使用“Win+R”组合键，输入“winver”并回车，即可查看当前系统build版本号：
2、打开命令提示符窗口，输入systeminfo命令，检查系统安装补丁信息：
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该漏洞的安全补丁，建议受影响用户尽快安装补丁进行防护，下载链接：
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-49113
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。
原文始发于微信公众号（绿盟科技CERT）：【漏洞通告】Windows LDAP拒绝服务漏洞（CVE-2024-49113）
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