Codefest CTF 2020
13 challenges with 20 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 CTFtimeUncategorised6
The upstream scoreboard did not say, so neither do we.
Easystreaming
2 official solutionsAlso written up in: MrEn1gma/Writeups, MrPos3id0n/Writeups
Helper Picture
1 official solutionAlso written up in: kos0ng/ctf-writeups
Solver Cbc
1 official solutionAlso written up in: kos0ng/ctf-writeups
Solver Heavy
1 official solutionAlso written up in: kos0ng/ctf-writeups
Solver Over
1 official solutionAlso written up in: kos0ng/ctf-writeups
Solver Pawry
1 official solutionAlso written up in: kos0ng/ctf-writeups
Misc3
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: PW Crack 2, Permissions, Specialer
Same technique in picoCTF: PW Crack 2, Permissions, Specialer
tooeasy
1 writeupSame technique in picoCTF: PW Crack 2, Permissions, Specialer
Forensics2
Recover something from a file, a capture, or a disk image - often from a part of it the format says is unused.
- forensics
- binary
Same technique in picoCTF: investigation_encoded_2, FindAndOpen, Ph4nt0m 1ntrud3r
- forensics
Same technique in picoCTF: investigation_encoded_2, FindAndOpen, Ph4nt0m 1ntrud3r
Web1
Reach data or functionality the application meant to keep from you - through its inputs, its tokens, or its trust in the client.
Also written up in: DauHoangTai/CTF
Same technique in picoCTF: Irish-Name-Repo 3, Startup Company, More SQLi
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.
- pwn
- binary
Same technique in picoCTF: lockdown-horses, Guessing Game 1, Bizz Fuzz