CVE-2022-0847 PoC — Linux kernel 安全漏洞

Source

https://github.com/EagleTube/CVE-2022-0847

Associated Vulnerability

Title:Linux kernel 安全漏洞 (CVE-2022-0847)
Description:A flaw was found in the way the "flags" member of the new pipe buffer structure was lacking proper initialization in copy_page_to_iter_pipe and push_pipe functions in the Linux kernel and could thus contain stale values. An unprivileged local user could use this flaw to write to pages in the page cache backed by read only files and as such escalate their privileges on the system.

Description

Modified dirtypipe script into auto root without have to search a file manually to hijack suid binary.

Readme

# CVE-2022-0847
Modified dirtypipe script into auto root without have to search a file manually to hijack suid binary.
<br><br>
# Compile
- gcc dirty.c -o dirty<br>
- gcc dirtypipe2.c -o dirty<br><br>
<img src='https://raw.githubusercontent.com/EagleTube/CVE-2022-0847/main/img/Screenshot_1.png'><br><br>
# Run
- ./dirty<br>
- And you'll automatically rooted<br><br>
<img src='https://raw.githubusercontent.com/EagleTube/CVE-2022-0847/main/img/Screenshot_2.png'><br>
# Modified
 <img src='https://raw.githubusercontent.com/EagleTube/CVE-2022-0847/main/img/modified%20(2).png'><br>
 <img src='https://raw.githubusercontent.com/EagleTube/CVE-2022-0847/main/img/modified%20(3).png'><br>
 <img src='https://raw.githubusercontent.com/EagleTube/CVE-2022-0847/main/img/modified%20(1).png'><br>
<br>
# Kernel affected
- Kernel versions newer than 5.8 may affected<br>
- version 5.10<br>
- version 5.15<br>
- version 5.16<br>

File Snapshot


 [4.0K]  /data/pocs/fece598225a42852ca2a88435d2fe72aaea90dca
├── [ 18K]  dirty
├── [7.2K]  dirty.c
├── [6.7K]  dirtypipe2.c
├── [4.0K]  img
│   ├── [ 28K]  modified (1).png
│   ├── [ 19K]  modified (2).png
│   ├── [ 20K]  modified (3).png
│   ├── [   9]  readme
│   ├── [ 11K]  Screenshot_1.png
│   └── [ 79K]  Screenshot_2.png
└── [ 921]  README.md

1 directory, 10 files

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