x3CTF 2025 Writeup

CTFTime event link: https://ctftime.org/event/2467

Writeup

• Web
  1. mvmcheckers-inc

Background

• Starts: 24 Jan. 2025, 18:00 UTC
• Ends: 26 Jan. 2025, 18:00 UTC

:3

join us for a cute little jeopardy-style CTF with web, pwn, rev, crypto, and misc challs!

Categories:

• Misc
• Rev
• Web
• Crypto
• Pwn

Overview

• Team: Black Bauhinia
• Team Solves: 18/33
• Individual Solves: 1/33
• Score: 2369
• Global Rank: 18/528
• Overall Difficulty To Me: ★★★★★☆☆☆☆☆

What I've learned in this CTF

• Web
  1. mvmcheckers-inc - Path traversal and file upload MIME type bypass via parser differential