This article breaks down the vulnerabilities and step-by-step methods used to capture all four flags in the Encrypted Pastebin challenge. 1. Understanding the Environment
Upon entering the challenge, the application claims to use "military-grade 128-bit AES encryption" and asserts that keys are never stored in the database. hacker101 encrypted pastebin
This flag requires a deep dive into how CBC mode works. Since the server confirms whether padding is valid or invalid, it functions as a "Padding Oracle". hacker101 encrypted pastebin
CTF — Hacker101 — Encrypted Pastebin | by Ravid Mazon | CyberX | Medium hacker101 encrypted pastebin