Real World CTF 5th
10 challenges with 12 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 CTFtimeBinary exploitation4
Turn a memory-safety bug in a native binary into control of execution. Usually a stack overflow, a format string, or a heap primitive.
Paddle
1 writeup- clone-and-pwn
- python
- pickle
Same technique in picoCTF: Guessing Game 1, x-sixty-what, format string 3
- iot
- pwn
Same technique in picoCTF: Guessing Game 1, x-sixty-what, format string 3
- clone-and-pwn
- pwn
Same technique in picoCTF: Guessing Game 1, x-sixty-what, format string 3
- clone-and-pwn
- pwn
Same technique in picoCTF: Guessing Game 1, x-sixty-what, format string 3
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
- obfuscation
- java
Same technique in picoCTF: Java Code Analysis!?!, Client-side-again, dont-use-client-side
the cult of 8 bit
1 writeup- xss
Same technique in picoCTF: notepad, noted, Client-side-again
Misc2
Everything that fits no other box: esolangs, puzzles, scripting exercises, and the jail escapes that have not yet earned their own category.
- ftp
- race-condition
- lightftp
Same technique in picoCTF: Permissions, Specialer, Codebook
realwrap
1 writeup- blockchain
- geth
- evm
Same technique in picoCTF: Reentrance, Smart_Overflow, Access_Control
Cryptography1
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.
- cryptography
- crypto
- ellipticcurves
Same technique in picoCTF: StegoRSA, Timestamped Secrets, AES-ABC