CVE-2021-4034 PoC — polkit 缓冲区错误漏洞

Source

https://github.com/jcatala/f_poc_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。

Readme

# f_poc_cve-2021-4034

## usage

```bash
cd /tmp
git clone https://github.com/jcatala/f_poc_cve-2021-4034/
cd f_poc_cve-2021-4034
gcc -fPIC -c ISO646.c
ld -shared -shared ISO646.o -o s.so
gcc f.c -o f
./f
```

File Snapshot


 [4.0K]  /data/pocs/10960da3faec1d6a8caf04584de4d7d1ce3b1a39
├── [2.7K]  f.c
├── [2.8K]  f_tmpdir.c
├── [ 303]  ISO646.c
└── [ 209]  README.md

0 directories, 4 files

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