$ 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
armarm HackersPlayground 2021 24.50 files
average SECCON 2021 – files
b64lib S4CTF 2021 24.52 files
baby-a-fallen-lap-ray DEFCON 2021 Quals 80.92 files
baby-tag VULNCON 2021 – files
baby_flag_checker CyberSecurityRumble 2021 41.60 files
baby_jemalloc VULNCON 2021 – files
baby_musl BSidesNoida 2021 24.46 files
baby_write_only_password_manag Pwn2Win 2021 83.41 files
babybof_rce BSidesAhmedabad 2021 25.00 files
babybof_sbx BSidesAhmedabad 2021 25.00 files
babygame StarCTF 2021 – files
babyheap StarCTF 2021 – files
babypac StarCTF 2021 – files
babysbx ASIS 2021 Finals 89.22 files
babyxv6 StarCTF 2021 – files
bank LINE 2021 – files
banksy b01lers 2021 22.99 files
bbb ImaginaryCTF 2021 – files
beginners_pwn TSG 2021 – files
bof idekCTF 2021 24.56 files
brohammer MidnightSun 2021 Quals 50.32 files
bufctl CyberSecurityRumble 2021 41.60 files
cached idekCTF 2021 24.56 files
canaries ImaginaryCTF 2021 – files
carpal_tunnel_syndrome angstromCTF 2021 – files
cheaptricks LexingtonInformaticsTournament 2021 23.87 files
checkin L3HCTF 2021 22.50 files
collision 0CTF 2021 Quals – files
conv ISITDTU 2021 Quals 23.08 files
crypto LexingtonInformaticsTournament 2021 23.87 files
csgo ALLES 2021 – files
cups_pdf OMH 2021 – files
cuttlefish-game DamCTF 2021 24.43 files
dataleak SCTF 2021 – files
deepspacewaifu LexingtonInformaticsTournament 2021 23.87 files
devnull-as-a-service redpwn 2021 32.61 files
dexvm Chaff 2021 – files
easysbx ASIS 2021 Finals 89.22 files
easyx11 N1CTF 2021 53.54 files