Real World CTF 3rd
11 challenges with 13 published community solutions between them. Solution links go to CTFtime’s task page, which aggregates every writeup for a challenge - individual blog posts rot, the aggregator does not.
Full task list on CTFtimeMisc4
Everything that fits no other box: esolangs, puzzles, scripting exercises, and the jail escapes that have not yet earned their own category.
- checkin
Same technique in picoCTF: Permissions, Specialer, Codebook
- misc
Same technique in picoCTF: Permissions, Specialer, Codebook
- blockchain
Same technique in picoCTF: Reentrance, Smart_Overflow, Access_Control
- blockchain
Same technique in picoCTF: Reentrance, Smart_Overflow, Access_Control
Web3
Reach data or functionality the application meant to keep from you - through its inputs, its tokens, or its trust in the client.
- web
Same technique in picoCTF: Client-side-again, dont-use-client-side, Irish-Name-Repo 3
- web
- pwn
- reverse
Same technique in picoCTF: Client-side-again, dont-use-client-side, Irish-Name-Repo 3
- php
- pwn
Same technique in picoCTF: Client-side-again, dont-use-client-side, Irish-Name-Repo 3
Cryptography2
Recover a plaintext or a key from something that was supposed to protect it. In practice: identify the scheme, find the parameter the author got wrong, exploit it.
- elliptic-curve
- crypto
Same technique in picoCTF: StegoRSA, Timestamped Secrets, AES-ABC
- elliptic-curve
- crypto
Same technique in picoCTF: StegoRSA, Timestamped Secrets, AES-ABC
Binary exploitation1
Turn a memory-safety bug in a native binary into control of execution. Usually a stack overflow, a format string, or a heap primitive.
- pwn
Same technique in picoCTF: Guessing Game 1, x-sixty-what, format string 3
Reverse engineering1
Work out what a compiled program does without its source, then work backwards from the check to the input that passes it.
- java
- old_tech
- servlet
- deserialize
Same technique in picoCTF: vault-door-1, vault-door-3, vault-door-4