CVE-2021-4034 PoC — polkit 缓冲区错误漏洞

Source

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

PoC for the CVE-2021-4034 vulnerability, affecting polkit < 0.120.

Readme

# pwnkit

## Usage

Tested on Arch Linux and Ubuntu 18.04
```bash
git clone https://github.com/c3l3si4n/pwnkit;
make
./pwnkit
```

File Snapshot


 [4.0K]  /data/pocs/d5f5aba2ade2778259b237097c8636253192e7f5
├── [  41]  Makefile
├── [ 16K]  pwnkit
├── [ 916]  pwnkit.c
└── [ 131]  README.md

0 directories, 4 files

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