Hack The Vote 2020
11 challenges with 17 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 CTFtimeUncategorised5
The upstream scoreboard did not say, so neither do we.
Dotlocker
2 official solutionsAlso written up in: TPurp/ctf-writeups, TPurp/ctf-writeups
Electrostar
1 official solutionAlso written up in: IRS-Cybersec/ctfdump
Regdb
1 official solutionAlso written up in: jakecraige/ctf
Server
1 official solutionAlso written up in: TPurp/ctf-writeups
Voting Booth
1 official solutionAlso written up in: jt00000/ctf.writeup
Binary 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.
- seccomp
- pwn
- ncurses
Same technique in picoCTF: lockdown-horses, Guessing Game 1, Bizz Fuzz
- pwn
Same technique in picoCTF: lockdown-horses, Guessing Game 1, Bizz Fuzz
- pwn
Same technique in picoCTF: lockdown-horses, Guessing Game 1, Bizz Fuzz
Web2
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: Toboxos/ctf-writeups
- web
Same technique in picoCTF: Live Art, secure-email-service, No FA
- web
Same technique in picoCTF: Live Art, secure-email-service, No FA
Reverse engineering1
Work out what a compiled program does without its source, then work backwards from the check to the input that passes it.
Also written up in: TPurp/ctf-writeups
- rev
Same technique in picoCTF: Checkpass, WinAntiDbg0x100, WinAntiDbg0x200