$ 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
unfree CTFZone 2024 Quals 73.82 files
universe AfricabattleCTF 2024 Quals – files
universe2 AfricabattleCTF 2024 Quals – files
unsetenv HKUSTFirebird 2024 – files
vds MCTF 2024 Quals – files
vector_overflow DownUnderCTF 2024 68.04 files
vmCode SCTF 2024 – files
vs_gateway vsCTF 2024 34.00 files
w4dup_2de LexingtonInformaticsTournament 2024 46.25 files
walker DEFCON 2024 Quals 77.38 files
wall AlpacaHack 2024 – files
wasminator CTFZone 2024 Quals 73.82 files
welcome NoHackNoCTF 2024 – files
what_flag SpookyCTF 2024 22.40 files
where2go SwampCTF 2024 40.40 files
wiSh_card NTUA_H4CK 2024 24.40 files
win..._win..._window... KnightCTF 2024 6.65 files
worm_eat_worm UMDCTF 2024 – files
write_flag_where D3CTF 2024 23.50 files
xen L3akCTF 2024 24.43 files
yawa DownUnderCTF 2024 68.04 files
yip_yip AirOverflow 2024 25.00 files
zeros_or_nulls CybHackCTF 2024 – files
0xf AfricabattleCTF 2023 Quals – files
2FA MCTF 2023 Quals – files
2_Outs_in_the_Ninth_Inning HackersPlayground 2023 51.00 files
AGoOdyssey TexSAW 2023 – files
AI_Build_Chain Winja 2023 – files
AM1 AfricabattleCTF 2023 Quals – files
ARMs_race niteCTF 2023 – files
ARMv8_NITE niteCTF 2023 – files
ASTRAL_Nebula Balsn 2023 79.09 files
ASTRAL_Neutron Balsn 2023 79.09 files
ASTRAL_Protostar Balsn 2023 79.09 files
ASTRAL_Redgiant Balsn 2023 79.09 files
ASTRAL_StarryNight Balsn 2023 79.09 files
ASTRAL_Supernova Balsn 2023 79.09 files
AXOVI AfricabattleCTF 2023 Quals – files
A_lot_of_files GREP 2023 – files
Acceptance Cryptoverse 2023 24.52 files