CVE-2021-4034 PoC — polkit 缓冲区错误漏洞

Source

https://github.com/antoinenguyen-09/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

My research about  CVE-2021-4034

Readme

# CVE-2021-4034
[My research about CVE-2021-4034](https://hackmd.io/@antoinenguyen09/r1Xeo4FX9)

File Snapshot


 [4.0K]  /data/pocs/89997d5841f7702d1e05f593dcf7c30c83f45494
├── [4.0K]  exploit
│   ├── [ 952]  auto_exploit.py
│   └── [1.1K]  exploit.c
├── [4.0K]  poc
│   ├── [ 328]  conversion-mod.c
│   ├── [ 404]  Dockerfile
│   ├── [ 424]  Makefile
│   └── [ 219]  pwnkit.c
└── [  96]  README.md

2 directories, 7 files

Shenlong Bot has cached this for you

Remarks

1. It is advised to access via the original source first.

2. If the original source is unavailable, please email f.jinxu#gmail.com for a local snapshot (replace # with @).

3. Shenlong has snapshotted the POC code for you. To support long-term maintenance, please consider donating. Thank you for your support.

Goal Reached Thanks to every supporter — we hit 100%!