$ 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
SafetyFirst DawgCTF 2023 39.00 files
Sally_Ride CyberHeroines 2023 23.94 files
Sandbox UTCTF 2023 – files
Sandboxed BSidesSF 2023 35.00 files
Sandboxed2 BSidesSF 2023 35.00 files
Sandboxed3 BSidesSF 2023 35.00 files
Schrodingers_P1G Potluck 2023 – files
Scream_Into_The_Abyss LakeCTF 2023 Quals – files
Secretly_around_the_world Cybercoliseum 2023 22.83 files
Sh3lltris insomnihack 2023 Quals 21.38 files
Shell Bucket 2023 24.80 files
ShellFind RealWorld 2023 – files
ShellHarder Bucket 2023 24.80 files
Shellcode_As_A_Service SEETF 2023 – files
SimpleStackSmash Summit 2023 – files
Simple_BOF BlueHens 2023 24.61 files
Simple_BOF_Harmful_Penguin Cybercoliseum 2023 22.83 files
Simple_BOF_I_want_to_buy_this_flag Cybercoliseum 2023 22.83 files
Simple_ROP BlueHens 2023 24.61 files
Skeleton TCP1P 2023 97.33 files
SpaceBirdsArentReal SpaceHeroes 2023 23.94 files
Splash UMDCTF 2023 – files
StartingPlace Bucket 2023 24.80 files
Storygen GoogleCTF 2023 – files
StringThings DawgCTF 2023 39.00 files
Super_Secure_Heap CSAW 2023 Quals 21.80 files
Swix Securinets 2023 Quals 65.42 files
Tamagoyaki Potluck 2023 – files
TeeWars RealWorld 2023 – files
Text_editor_v2 ASIS 2023 Finals 89.80 files
The_Catacomb corCTF 2023 36.97 files
The_Revenge_of_Checkpass_1 BxMCTF 2023 – files
The_Umi HITCON 2023 Quals 99.75 files
The_road_not_taken niteCTF 2023 – files
Themis TheOdyssey 2023 24.81 files
They Cybercoliseum 2023 22.83 files
Time_controller ISITDTU 2023 Quals 37.00 files
TinyWebTreasures Summit 2023 – files
Tiny_Pwn vsCTF 2023 23.32 files
ToadysAngerChallenge WxMCTF 2023 – files