$ 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
memory-heist IJCTF 2021 – files
mp3ninja Chaff 2021 – files
neophyte_1 BSidesCanberra 2021 – files
nightclub perfectblue 2021 – files
nooopster DEFCON 2021 Quals 80.92 files
nt-ophyte BSidesCanberra 2021 – files
nutty Union 2021 24.34 files
orderly_storage CyberSecurityRumble 2021 41.60 files
overflowwwwwwwww ImaginaryCTF 2021 – files
ovvvvvvvvvverflow ImaginaryCTF 2021 – files
padnote BSidesAhmedabad 2021 25.00 files
panda-food redpwn 2021 32.61 files
panic BuckeyeCTF 2021 24.81 files
path.to.flag BSidesCanberra 2021 – files
pet ISITDTU 2021 Quals 23.08 files
pprofile LINE 2021 – files
printf LexingtonInformaticsTournament 2021 23.87 files
protected-feedback DamCTF 2021 24.43 files
pwnbox LINE 2021 – files
pwnership S4CTF 2021 24.52 files
pyast64 SECCON 2021 – files
pza999 DEFCON 2021 Quals 80.92 files
qmail justCTF 2021 24.85 files
rOw-Row-roW FooBarCTF 2021 21.61 files
rad DEFCON 2021 Quals 80.92 files
ransom-vaccine ALLES 2021 – files
rbtree ASIS 2021 Finals 89.22 files
regview Chaff 2021 – files
ret-of-the-rops 0x41414141 2021 – files
ret2libc ImaginaryCTF 2021 – files
ret2win ImaginaryCTF 2021 – files
retFTW BreakTheSyntax 2021 – files
retcheck HacktivityCon 2021 – files
riscs MCTF 2021 Quals – files
rollmyown2 LexingtonInformaticsTournament 2021 23.87 files
rothmbot PBjar 2021 23.18 files
santazon OverTheWireAdventBonanza 2021 – files
scanf LexingtonInformaticsTournament 2021 23.87 files
secret ISITDTU 2021 Quals 23.08 files
secure-prototype Hack.lu 2021 94.48 files