CVE-2023-21768 PoC — Microsoft Windows Ancillary Function Driver for WinSock 安全漏洞

Source

https://github.com/zoemurmure/CVE-2023-21768-AFD-for-WinSock-EoP-exploit

Associated Vulnerability

Title:Microsoft Windows Ancillary Function Driver for WinSock 安全漏洞 (CVE-2023-21768)
Description:Microsoft Windows Ancillary Function Driver for WinSock是美国微软（Microsoft）公司的Winsock 的辅助功能驱动程序。 Microsoft Windows Ancillary Function Driver for WinSock存在安全漏洞。攻击者利用该漏洞可以提升权限。

Readme

# CVE-2023-21768-AFD-for-WinSock-EoP-exploit

分析文章在这里：

https://mp.weixin.qq.com/s/9W9puJltbK-xto2A1duqgQ

https://www.zoemurmure.top/posts/cve_2023_21768/

根据 [Patch Tuesday -> Exploit Wednesday: Pwning Windows Ancillary Function Driver for WinSock (afd.sys) in 24 Hours](https://securityintelligence.com/posts/patch-tuesday-exploit-wednesday-pwning-windows-ancillary-function-driver-winsock/) 自己编写出来的，添加了提权后的 cleanup 代码，可成功实现提权。测试平台：Windows 11 22621.963 Windows Feature Experience Pack 1000.22638.1000.0

运行截图：

![screenshot-20230420-163108](https://user-images.githubusercontent.com/43516782/233308029-b26fa71a-2eee-4f8e-88d1-3d1852355d6b.png)


提权成功：

![screenshot-20230420-163018](https://user-images.githubusercontent.com/43516782/233307633-064f6b7e-5fe3-4e86-98d6-08b65ecbc3cd.png)

File Snapshot


 [4.0K]  /data/pocs/0ad5667d0267718ca0b548029a3d8c7ea326b25d
├── [4.0K]  exp
│   ├── [4.0K]  exp
│   │   ├── [ 13K]  exp.cpp
│   │   ├── [ 10K]  exp.h
│   │   ├── [6.5K]  exp.vcxproj
│   │   ├── [1.1K]  exp.vcxproj.filters
│   │   └── [ 374]  exp.vcxproj.user
│   └── [1.4K]  exp.sln
└── [ 891]  README.md

2 directories, 7 files

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