justCTF 2023
7 challenges with 8 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 exploitation3
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
- pwn
Same technique in picoCTF: Guessing Game 1, x-sixty-what, format string 3
- pwn
Same technique in picoCTF: Guessing Game 1, x-sixty-what, format string 3
Web2
Reach data or functionality the application meant to keep from you - through its inputs, its tokens, or its trust in the client.
- ruby
- web
- bruteforce
- sha256
Same technique in picoCTF: Client-side-again, dont-use-client-side, Irish-Name-Repo 3
- csp-bypass
- web
- csp
- xss
- node.js
- nodejs
- node
Same technique in picoCTF: notepad, noted, Client-side-again
Forensics2
Recover something from a file, a capture, or a disk image - often from a part of it the format says is unused.
ECC for dummies
1 writeupSame technique in picoCTF: FindAndOpen, c0rrupt, extensions
ECC not only for Dummies
1 writeupSame technique in picoCTF: FindAndOpen, c0rrupt, extensions