In this writeup, we’ll go over the web challenge Mutation Lab, rated as medium difficulty in the CyberApocalypse CTF 2022. The solution requires exploiting a local file read vulnerability to steal the cookie signing key and crafting a session cookie for the admin.
HTB
CA-CTF
ctf
web
cookie-forgery
lfr
cookie-session
directory-traversal
cve-2021-23631
write-up
]