CVE-2021-4034 PoC — polkit 缓冲区错误漏洞

Source

https://github.com/luckythandel/CVE-2021-4034

Associated Vulnerability

Title:polkit 缓冲区错误漏洞 (CVE-2021-4034)
Description:polkit是一个在类 Unix操作系统中控制系统范围权限的组件。通过定义和审核权限规则，实现不同优先级进程间的通讯。 polkit 的 pkexec application存在缓冲区错误漏洞，攻击者可利用该漏洞通过精心设计环境变量诱导pkexec执行任意代码。成功执行攻击后，如果目标计算机上没有权限的用户拥有管理权限，攻击可能会导致本地权限升级。

Description

This is a POC for the vulnerability found in polkit's pkexec binary which is used to run programs as another users.

Readme

# CVE-2021-4034
This is a POC for the vulnerability found in polkit's pkexec binary which is used to run programs as another users. 
For in-depth study: https://access.redhat.com/security/vulnerabilities/RHSB-2022-001

# Run
```sh
gcc poc.c -o poc && ./poc
```

File Snapshot


 [4.0K]  /data/pocs/85dda6475aa605dfd2d7e071e07690ad6af7810a
├── [ 599]  poc.c
├── [ 222]  pwnkit.c
└── [ 261]  README.md

0 directories, 3 files

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