Hacklu 2021
12 challenges with 19 published solutions between them. The writeups for this event were found in public repositories. Each link is pinned to the commit it was read from.
Where these writeups liveUncategorised10
The upstream scoreboard did not say, so neither do we.
Also written up in: roadicing/ctf-writeups, roadicing/ctf-writeups, roadicing/ctf-writeups
Silver Water Industries
2 official solutionsAlso written up in: roadicing/ctf-writeups, roadicing/ctf-writeups
Whatthehecc
2 official solutionsAlso written up in: roadicing/ctf-writeups, roadicing/ctf-writeups
Also written up in: smallkirby/pwn-writeups, smallkirby/pwn-writeups
Also written up in: pspaul/ctf-challenges
Fail1
1 official solutionAlso written up in: smallkirby/pwn-writeups
Also written up in: roadicing/ctf-writeups
Also written up in: smallkirby/pwn-writeups
Nodenb
1 official solutionAlso written up in: pspaul/ctf-challenges
Trading Api
1 official solutionAlso written up in: pspaul/ctf-challenges
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.
Secureprototype
2 official solutionsAlso written up in: Green-Avocado/CTF, Green-Avocado/CTF
Misc1
Everything that fits no other box: esolangs, puzzles, scripting exercises, and the jail escapes that have not yet earned their own category.
Tenbagger
2 official solutionsAlso written up in: Green-Avocado/CTF, Green-Avocado/CTF