SECCON CTF 2021
7 challenges with 7 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 exploitation5
Turn a memory-safety bug in a native binary into control of execution. Usually a stack overflow, a format string, or a heap primitive.
- warmup
- pwnable
Same technique in picoCTF: Guessing Game 1, x-sixty-what, format string 3
- pwnable
Same technique in picoCTF: Guessing Game 1, x-sixty-what, PIE TIME 2
- warmup
- pwnable
Same technique in picoCTF: Guessing Game 1, x-sixty-what, PIE TIME 2
- pwnable
Same technique in picoCTF: Guessing Game 1, x-sixty-what, format string 3
- pwnable
Same technique in picoCTF: Guessing Game 1, x-sixty-what, format string 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.
- crypto
Same technique in picoCTF: StegoRSA, Timestamped Secrets, AES-ABC
- crypto
Same technique in picoCTF: StegoRSA, Timestamped Secrets, AES-ABC