CVE-2021-4034 PoC — polkit 缓冲区错误漏洞

Source

https://github.com/LukeGix/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

A stupid poc for CVE-2021-4034

Readme

# CVE-2021-4034
A stupid poc for CVE-2021-4034 - Local privilege escalation (pkexec SUID binary)

![image](https://user-images.githubusercontent.com/80392368/151148780-dae40648-0b36-499a-88df-3387126de51f.png)


Vulnerability explained in the advisory [here](https://www.qualys.com/2022/01/25/cve-2021-4034/pwnkit.txt)

File Snapshot


 [4.0K]  /data/pocs/b6b07fd5f1169e7854c972c907ed238f50f5908b
├── [ 231]  exploit.c
├── [ 266]  main.c
├── [ 235]  Makefile
└── [ 319]  README.md

0 directories, 4 files

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