FooBar CTF 2021: Monochrome

Monochrome

Category: Web

100 points

Behind all the colorful chaos, lies /monochrome/ P.S. flag is at /home/flag

http://chall.nitdgplug.org:30112

author : phantsure

Solution

To be honest I don’t understand this challenge. We were give a website as below.

web

I thought it will be something like passing file:///home/flag to the form, but instead of I just simply clicked the Source Code text and get the flag.

flag

It seems like a broken chall :-( I’m leaving this writeup anyway…

Flag

GLUG{H0RIZ0N74LLY_V3R7IC4LLY_8923123}

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