LDAP 是一种开放的、跨平台的、行业标准的应用层协议，用于访问和维护分布式目录信息服务。它定义了客户端如何与目录服务器进行通信，以查询、修改和管理目录数据。
综合处置优先级：高
|
基本信息 |
微步编号 |
XVE-2024-35677 |
| 漏洞类型 |
拒绝服务漏洞 |
|
|
利用条件评估 |
利用漏洞的网络条件 |
远程 |
|
是否需要绕过安全机制 |
不需要 | |
|
对被攻击系统的要求 |
|
|
|
利用漏洞的权限要求 |
无需任何权限 | |
|
是否需要受害者配合 |
不需要 | |
|
利用情报 |
PoC是否公开 |
是 |
| 已知利用行为 |
否 |
|
产品名称 |
Microsoft - Windows |
|
受影响版本 |
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 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 |
|
有无修复补丁 |
有 |
官方修复方案：
微软官方已发布漏洞公告，请尽快前往下载更新补丁：
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-49113
临时修复方案：
-
使用流量设备监控可疑的DNS SRV查询，对可疑查询进行防护。
-
使用终端设备监控可疑的DsrGetDcNameEx2 RPC调用，对可疑RPC调用进行防护。
-
根据微软官方漏洞通告，尽快安装对应的补丁。
微步威胁感知平台TDP 已支持检测，检测ID：S3100158089，模型/规则高于20250106000000可检出。
原文始发于微信公众号（微步在线研究响应中心）：漏洞通告 | Windows 轻量级目录访问协议 (LDAP) 拒绝服务漏洞
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