$ 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
Loginator CTFZone 2024 Quals 73.82 files
Look_up UCTF 2024 – files
Lua_Jail TCP1P 2024 89.85 files
MCBACK2DABASICS TFC 2024 – files
MCGUAVA TFC 2024 – files
MCTABLETRAP TFC 2024 – files
MIREA_slaves CybHackCTF 2024 – files
Mad_Admin MidnightFlag 2024 – files
Maestro KalmarCTF 2024 24.21 files
Make_ROP_Great_Again SECCON 2024 Quals – files
MercuryBlast HKUSTFirebird 2024 – files
Merry_Christmas BackdoorCTF 2024 – files
Mind_Meld SpaceHeroes 2024 24.50 files
Mini_Golfing CSAW 2024 Quals 21.80 files src
Minishell THCon 2024 – files
Mitigations_are_Awesome UMassCTF 2024 43.10 files
Mixed_Signal niteCTF 2024 – files
MojoGO R3CTF 2024 23.50 files
Moodle_Madness WxMCTF 2024 23.59 files
MoonBlast HKUSTFirebird 2024 – files
Mudiary N0PSctf 2024 24.34 files
Music_Streaming_Server PwnSec 2024 – files
N0_Promises_to_Keep SanDiego 2024 24.67 files
N0_Promises_to_Keep_Revenge SanDiego 2024 24.67 files
NTcrack AfricabattleCTF 2024 Quals – files
Name Cybercoliseum 2024 20.95 files
Navigator PatriotCTF 2024 31.83 files
Never_gonna_give_you_UB GPN 2024 – files
New_Under_The_Sun IERAE 2024 – files
Nightmail RealWorld 2024 – files
Nix_Philosophies CSAW 2024 Quals 21.80 files
No_Beef EnigmaXplore 2024 – files
No_Headache openECSC 2024 round1 – files
Not_So_Shrimple_Is_It PatriotCTF 2024 31.83 files
Note CrateCTF 2024 – files
Notepad 1337UP 2024 – files
Notepad_2 1337UP 2024 – files
Nullullullllu R3CTF 2024 23.50 files
One_dream m0leCon 2024 Quals 80.00 files
Only_Ws Block 2024 – files