$ ctf42

Pwn CTF challenges

3,926 Pwn CTF challenges from 382 CTFs (2011–2026), 1,025 with writeups.

Top pwn techniques

#stack-buffer-overflow 95 #format-string 88 #rop 76 #use-after-free 56 #ret2win 55 #shellcode 48 #ret2libc 37 #heap 35 #heap-overflow 34 #tcache-poisoning 29 #got-overwrite 29 #stack-pivot 25 #buffer-overflow 23 #heap-exploitation 21 #seccomp 19

Challenges

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Challenge CTF Weight Has
Ada_Lovelace CyberHeroines 2023 23.94 files
Admin_Service Securinets 2023 Quals 65.42 files
Airport BSidesIndore 2023 18.80 files
All_Patched_Up NahamCon 2023 34.82 files
Alpha_Assault MCTF 2023 Quals – files
Alphabet RITSEC 2023 – files
AnUnreasonablyHighPrice TexSAW 2023 – files
An_Average_Challenge FortID 2023 – files
Array_of_Sunshine SunshineCTF 2023 34.09 files
BOF_101 HackersPlayground 2023 51.00 files
BOF_Administrator_programmerq Cybercoliseum 2023 22.83 files
BOF_Far_Side_of_the_Moon Cybercoliseum 2023 22.83 files
BOF_Hey_Squidward Cybercoliseum 2023 22.83 files
BOF_Volume_control Cybercoliseum 2023 22.83 files
BabyPwn2023 Balsn 2023 79.09 files
BabyZeroDay WxMCTF 2023 – files
Baby_Pwn BSidesIndore 2023 18.80 files
Baby_Pwn GreyCatTheFlag 2023 Quals – files
Babypwn nullconHackIM 2023 Goa – files
Backdooredness ASIS 2023 Finals 89.80 files
Bills_Blazingly_Fast_Memory_Safe_Pocket_Monster_Storage_System UMDCTF 2023 – files
Black_Rop AfricabattleCTF 2023 Quals – files
Bomb_removal ESCAPE 2023 Quals – files
BookManager TyphoonCon 2023 9.00 files
Bug_Spray SunshineCTF 2023 34.09 files
Bugsworld BuckeyeCTF 2023 34.50 files
Build-A-Jail BreakTheSyntax 2023 – files
CST Codegate 2023 Quals – files
Calculator COMPFEST 2023 – files
Call_me_by_address MUST 2023 Quals – files
CardassianTargetingSystem SpaceHeroes 2023 23.94 files
Carol_Shaw CyberHeroines 2023 23.94 files
Cats WxMCTF 2023 – files
Champions_Heap BSidesAlgiers 2023 25.00 files
Colpo_al_core Hackappatoi 2023 – files
Company CrewCTF 2023 20.33 files
Company_2 CrewCTF 2023 20.33 files
Cosmic_Ray_v2 vsCTF 2023 23.32 files
Crackstation_Level_1 FE-CTF 2023 – files
Crackstation_Level_2 FE-CTF 2023 – files