Ring Zer0 CTF - Headache

This challenge is part of the web section of the RingZer0 CTF and can be found here.

This time the challenge’s info page only says the following: “Answer is closer than you think!”. This made me think that the flag is maybe in this challenge’s source page. However, I didn’t find anything there.

I then decided to open Firefox’s Web Developer Tools to see if there was anything more interesting there. I decided to take a look at the requests that were made in the Network tab:

We can see that one of the response’s headers of the get request made to access the challenge page is flag and its value contains the flag!

Contact

If you have any questions or remarks don’t hesitate to reach out on discord to therokdaba#9872.

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