0CTF/TCTF 2019 Finals
49 challenges with 103 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 CTFtimeUncategorised41
The upstream scoreboard did not say, so neither do we.
REHOST
8 official solutionsAlso written up in: pwncollege/ctf-archive, pwncollege/ctf-archive, pwncollege/ctf-archive, pwncollege/ctf-archive, pwncollege/ctf-archive, pwncollege/ctf-archive, pwncollege/ctf-archive, pwncollege/ctf-archive
WallbreakerEasy
6 official solutionsAlso written up in: mdsnins/ctf-writeups, m0xiaoxi/CTF_Web_docker, m0xiaoxi/CTF_Web_docker, m0xiaoxi/CTF_Web_docker, m0xiaoxi/CTF_Web_docker, m0xiaoxi/CTF_Web_docker
Zerotask
5 official solutionsAlso written up in: poortho/ctf-writeups, ruan777/ctf, pr0cf5/CTF-writeups, 0n3m4ns4rmy/ctf-write-ups, ch0rse/CTF-writeups
Babyrsa
4 official solutionsAlso written up in: maojui/writeups, maojui/writeups, r4b3rt/writeups, r4b3rt/writeups
Babysponge
3 official solutionsAlso written up in: wonrzrzeczny/CTF-writeups, wonrzrzeczny/CTF-writeups, wonrzrzeczny/CTF-writeups
Neuron Break
3 official solutionsAlso written up in: wonrzrzeczny/CTF-writeups, wonrzrzeczny/CTF-writeups, wonrzrzeczny/CTF-writeups
Plang
3 official solutionsAlso written up in: ruan777/ctf, pr0cf5/CTF-writeups, ch0rse/CTF-writeups
Wasabi
3 official solutionsAlso written up in: xiaohuajiao/my-ctf, qwaz/solved-hacking-problem, xiaohuajiao/my-ctf
Aegis Exp
2 official solutionsAlso written up in: r3kapig/writeup, Hope0351/CTF-collection
Applepie
2 official solutionsAlso written up in: pwn2expoit/ctfwriteup, ujin5/ctfwriteup
Babydb
2 official solutionsAlso written up in: junorouse/ctf, junorouse/ctf
Babyheap
2 official solutionsAlso written up in: pwn2expoit/ctfwriteup, ujin5/ctfwriteup
Frontend
2 official solutionsAlso written up in: zsxsoft/my-ctf-challenges, zsxsoft/my-rctf-2018
Also written up in: perfectblue/ctf-writeups, rollsafe/ctf-writeups
Png2a
2 official solutionsAlso written up in: st424204/ctf_practice, st424204/ctf_practice
Quantum Game
2 official solutionsAlso written up in: maojui/writeups, maojui/writeups
Quantum Measure
2 official solutionsAlso written up in: maojui/writeups, maojui/writeups
Sixology
2 official solutionsAlso written up in: xiaohuajiao/my-ctf, xiaohuajiao/my-ctf
Also written up in: r3kapig/writeup, Hope0351/CTF-collection
Voidexp
2 official solutionsAlso written up in: perfectblue/ctf-writeups, rollsafe/ctf-writeups
Also written up in: ruan777/ctf, ruan777/ctf
Zer0mi
2 official solutionsAlso written up in: miszcz2137/ctf-writeups, miszcz2137/ctf-writeups
Aegis Exploit
1 official solutionAlso written up in: agadient/CTF
Ascrypto2013 Geovandropereira
1 official solutionAlso written up in: maojui/writeups
Babymath
1 official solutionAlso written up in: wjrsonic/ctf-writeups
Blackhole3
1 official solutionAlso written up in: shift-crops/CTFWriteups
Calvino
1 official solutionAlso written up in: bincat99/pwn
Chall
1 official solutionAlso written up in: maojui/writeups
EmbeddedHeap
1 official solutionAlso written up in: shift-crops/CTFWriteups
Exploit2
1 official solutionAlso written up in: ENOFLAG/writeups
Fast&Furious2
1 official solutionAlso written up in: st424204/ctf_practice
If On A Winters Night
1 official solutionAlso written up in: ruan777/ctf
Insecure Rdp
1 official solutionAlso written up in: junorouse/ctf
Meier Sasc
1 official solutionAlso written up in: maojui/writeups
Also written up in: qwaz/solved-hacking-problem
My Exp
1 official solutionAlso written up in: xywang18/ctf-pwn-writeup
Also written up in: wjrsonic/ctf-writeups
Also written up in: mdsnins/ctf-writeups
Sanitize
1 official solutionAlso written up in: ENOFLAG/writeups
Scanner
1 official solutionAlso written up in: scwuaptx/CTF
testF
1 official solutionAlso written up in: maojui/writeups
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.
Also written up in: perfectblue/ctf-writeups, rollsafe/ctf-writeups, shift-crops/CTFWriteups
- pwn
Same technique in picoCTF: lockdown-horses, Guessing Game 1, Bizz Fuzz
Also written up in: Ex-Origin/ctf-writeups, Ex-Origin/ctf-writeups, fei9747/ctf-writeups, fei9747/ctf-writeups
Also written up in: sixstars/ctf, sixstars/CTF
- kernel
- kpti
Same technique in picoCTF: lockdown-horses, Guessing Game 1, Bizz Fuzz
Myaegis
2 official solutionsAlso written up in: Ex-Origin/ctf-writeups, fei9747/ctf-writeups
- mips
- pwn
- heap
- uclibc
Same technique in picoCTF: vr-school, sice_cream, zero_to_hero
Misc3
Everything that fits no other box: esolangs, puzzles, scripting exercises, and the jail escapes that have not yet earned their own category.
114514 CALCALCALC
1 writeupAlso written up in: w181496/CTF, zsxsoft/my-ctf-challenges, zsxsoft/my-rctf-2018
Same technique in picoCTF: PW Crack 2, Permissions, Specialer
Wallbreaker (not very) Hard
1 writeupAlso written up in: w181496/CTF
Same technique in picoCTF: PW Crack 2, Permissions, Specialer
TCTF Hotel Booking System
1 writeupSame technique in picoCTF: PW Crack 2, Permissions, Specialer