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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
pwnKit: Privilege Escalation USB-Rubber-Ducky payload, which exploits CVE-2021-4034 in less than 10sec's and spawns root shell for you.
Readme
# pwnKit

## About:
* Title: pwnKit
* Description: Privilege escalation in Unix-like operating systems
* AUTHOR: drapl0n
* Version: 1.0
* Category: Privilege Escalation
* Target: Unix-like operating systems
* Attackmodes: HID

## pwnKit is Privilege Escalation USB-Rubber-Ducky payload, which exploits CVE-2021-4034 in less than 10sec's and spawns root shell for you.

* Shoutout to https://github.com/berdav for exploit.
* Only for educational purpose.
### Variation's:
1. Online: payload.txt(requires internet connection on victims machine).
2. Offline: payload2.txt(don't require internet connection on victims machine).

### Workflow:
1. Stop storing history, this helps to keep tracks clear from begining.
2. Creating temporary folder for storing exploit code and compiling it.
3. Importing, compiling and executing exploit.
4. Spawning root shell.
5. Deleting exploit code and clearing tracks.

#### Support me if you like my work:
* https://twitter.com/drapl0n
File Snapshot

[4.0K] /data/pocs/b1908b68fea03d7f24d4fb393664124c219edbd4 ├── [2.1K] payload2.txt ├── [ 543] payload.txt └── [ 968] README.md 0 directories, 3 files
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