justCTF 2024 teaser Writeup

CTFTime event link: https://ctftime.org/event/2342

Writeup

• Web
  1. Piggy

Background

• Starts: 15 June 2024, 08:00 UTC
• Ends: 16 June 2024, 08:00 UTC

justCTF 2024 [teaser] is an online jeopardy-style capture the flag competition organized as a teaser for the open justCTF 2024 Finals event happening on the 28th of September, 2024 at HackYeah in Kraków, Poland.

Categories:

• Crypto
• Web
• Misc
• Pwn
• RE
• Fore
• Blockchain
• PPC

Overview

• Team: ARESx
• Team Solves: 6/24
• Individual Solves: 1/24
• Score: 1145
• Global Rank: 39/437
• Overall Difficulty To Me: ★★★★★★★★★☆

What I’ve learned in this CTF

• Web
  1. Piggy (Server-Side Template Injection (SSTI) in Perl “Template Toolkit”)