$ 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
kernel CursedCTF 2024 Quals 19.50 files
kernel_module_golf idekCTF 2024 52.06 files
knife GoogleCTF 2024 – files
kno_puts SCTF 2024 – files
kno_puts_revenge SCTF 2024 – files
kpid L3HCTF 2024 23.50 files
lain_writes_in_lisp WxMCTF 2024 23.59 files
leakleakleak WxMCTF 2024 23.59 files
leaky_faucet CTF@CIT 2024 – files
leftright angstromCTF 2024 – files src
linker_as_a_service AmateursCTF 2024 24.54 files
lucky N1CTF 2024 89.85 files
lucky_revenge CursedCTF 2024 Quals 19.50 files
m1cr0_bl4z31ng_420 MidnightSun 2024 Quals 35.74 files
magicpp WMCTF 2024 – files
mailbox N1CTF 2024 89.85 files
measured_patience CursedCTF 2024 Quals 19.50 files
mentat_question UMDCTF 2024 – files
menu CyberSpace 2024 24.83 files
miss_analyzer osuigaming 2024 – files
moole m0leCon 2024 Quals 80.00 files
mpi HKUSTFirebird 2024 – files
msrable KalmarCTF 2024 24.21 files
nah_id_win WxMCTF 2024 23.59 files
naughty AirOverflow 2024 25.00 files
nc WaniCTF 2024 24.99 files
netpeek WolvCTF 2024 35.25 files
ninipwn Mapna 2024 24.59 files
no_name ISITDTU 2024 Quals 51.00 files
nolibc SekaiCTF 2024 36.96 files
not_allowed UNbreakableInternational 2024 – files
not_my_format CybHackCTF 2024 – files
npc_ua DEFCON 2024 Quals 77.38 files
oneshot MCTF 2024 Quals – files
onewrite ImaginaryCTF 2024 49.81 files
ornithopter UMDCTF 2024 – files
osu_v8 osuigaming 2024 – files
osujail osuigaming 2024 – files
pac_shell DownUnderCTF 2024 68.04 files
pacipac CrewCTF 2024 26.89 files