[NeverLAN 2019] - Cookie Monster
Description:
Solution Author:
Lucian Nitescu, as part of jmp 0xc0ffee team.
Solution:
After accessing the challenge URL (https://challenges.neverlanctf.com:1110/) I observed the cookie Red_Guy's_name as seen in the following screenshot from Burp Suite:
Also, the response provided us with some additional information as seen in the highlighted areas:
I decided to take that information an use the Google search engine in order to retrieve more information.
I discovered that the name of the "red guy" in "Cookie Monster" is actually called Elmo. I changed the cookie value in order as such:
The flag is: flag{YummyC00k13s}
This post is licensed under CC BY 4.0 by the author.