CVE-2021-4034 PoC — polkit 缓冲区错误漏洞

Source

https://github.com/0x05a/my-cve-2021-4034-poc

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 PoC

Readme

# my-cve-2021-4034-poc
my PoC
quick and dirty code as uni has me busy, works on my ubuntu server

File Snapshot


 [4.0K]  /data/pocs/1a3591d4daa823306d0dd02e934bf5754020504e
├── [4.0K]  evil
│   ├── [  34]  gconv-modules
│   └── [ 15K]  win.so
├── [8.2K]  exp
├── [ 372]  exp.c
├── [4.0K]  GCONV_PATH=.
│   └── [   0]  evil
├── [  97]  README.md
├── [8.3K]  test.zip
├── [ 170]  win.c
└── [ 15K]  win.so

2 directories, 9 files

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