SECCON 2020 Online CTF
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 CTFtimeWeb4
Reach data or functionality the application meant to keep from you - through its inputs, its tokens, or its trust in the client.
- web
- typescript
- private_class_field
Same technique in picoCTF: Client-side-again, dont-use-client-side, Irish-Name-Repo 3
- javascript
- web
- private_class_field
- decapsulation
Same technique in picoCTF: Java Code Analysis!?!, Client-side-again, dont-use-client-side
- cache-poisoning
- web
- csrf
Same technique in picoCTF: Client-side-again, dont-use-client-side, Irish-Name-Repo 3
- cache-poisoning
- web
- csrf
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.
- polynomials
- crypto
Same technique in picoCTF: StegoRSA, Timestamped Secrets, AES-ABC
- crypto
- rsa
Same technique in picoCTF: StegoRSA, john_pollard, rsa_oracle
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.
- io_file_struct
- pwn
Same technique in picoCTF: Guessing Game 1, x-sixty-what, format string 3