BCTF 2017
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 CTFtimeWeb5
Reach data or functionality the application meant to keep from you - through its inputs, its tokens, or its trust in the client.
Same technique in picoCTF: Client-side-again, dont-use-client-side, Irish-Name-Repo 3
Same technique in picoCTF: Irish-Name-Repo 3, More SQLi, Secret Box
Same technique in picoCTF: Client-side-again, dont-use-client-side, Irish-Name-Repo 3
Same technique in picoCTF: Client-side-again, dont-use-client-side, Irish-Name-Repo 3
Same technique in picoCTF: Client-side-again, dont-use-client-side, Irish-Name-Repo 3
Binary 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.
Same technique in picoCTF: Guessing Game 1, x-sixty-what, format string 3
Same technique in picoCTF: Guessing Game 1, x-sixty-what, format string 3
Same technique in picoCTF: Guessing Game 1, x-sixty-what, format string 3
Same technique in picoCTF: Guessing Game 1, x-sixty-what, format string 3
Same technique in picoCTF: Guessing Game 1, x-sixty-what, format string 3
Misc1
Everything that fits no other box: esolangs, puzzles, scripting exercises, and the jail escapes that have not yet earned their own category.
Same technique in picoCTF: Permissions, Specialer, Codebook