DiceCTF 2023 Writeups

CTFtime event link: https://ctftime.org/event/1838/

Writeups

• Web:
  • recursive-csp

Background

Win $5,000 in prizes from 🎲 DiceCTF 2023, a cybersecurity competition by DiceGang! Solve cryptography, binary exploitation, reversing, and web challenges.

• Start: 04 Feb. 2023, 05:00 HKT
• End: 06 Feb. 2023, 05:00 HKT

Categories:

• Crypto
• Misc
• Pwn
• Rev
• Web

Overview

• Solved: 0 (Excluding 1 point challenges)
• Points: 2
• Rank: 360/1041
• Overall Difficulty To Me: ★★★★★★★★★★

What I’ve learned in this CTF

• Web:
  1. XSS (Cross-Site Scripting) & CSP (Content Security Policy) Bypass Via Insecure Nonce Value (recursive-csp) (Unsolved)