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CVE-2022-0847 PoC — Linux kernel 安全漏洞

Source
Associated Vulnerability
Title:Linux kernel 安全漏洞 (CVE-2022-0847)
Description:Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel 存在安全漏洞,该漏洞源于新管道缓冲区结构的“flag”变量在 Linux 内核中的 copy_page_to_iter_pipe 和 push_pipe 函数中缺乏正确初始化。非特权本地用户利用该漏洞可以提升权限至root。以下产品和版本受到影响:Linux Kernel 5.8-5.16.11、5.8-5.15.25、5.8-5.10.102。
Description
DirtyPipe: Exploit for a new Linux vulnerability known as 'Dirty Pipe(CVE-2022-0847)' allows local users to gain root privileges. The vulnerability is tracked as CVE-2022-0847 and allows a non-privileged user to inject and overwrite data in read-only files, including SUID processes that run as root.
Readme
## About:
* Title: DirtyPipe
* Description: Exploit for a new Linux vulnerability known as 'Dirty Pipe(CVE-2022-0847)' allows local users to gain root privileges.
* AUTHOR: drapl0n
* Version: 1.0
* Category: Execution
* Target: Linux operating systems.
* Attackmodes: HID, Storage

## DirtyPipe: Exploit for a new Linux vulnerability known as 'Dirty Pipe(CVE-2022-0847)' allows local users to gain root privileges. The vulnerability is tracked as CVE-2022-0847 and allows a non-privileged user to inject and overwrite data in read-only files, including SUID processes that run as root.

### Directory Structure of payload components:
| FileName       | Directory                     |
| -------------- | ----------------------------- |
| payload.txt    | /payloads/                    |
| dirtypipe.c    | /payloads/library/            |

### LED Status:
* `SETUP`   : MAGENTA
* `ATTACK`  : YELLOW
* `FINISH`  : GREEN

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

[4.0K] /data/pocs/a6ca3049322172082abeb4ade5a23c6f7fd7994f ├── [5.9K] dirtypipe.c ├── [1.6K] payload.txt └── [ 987] README.md 0 directories, 3 files
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