$ 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
emojifier InternetFestival 2023 Quals 25.00 files
engine-failure SpaceHeroes 2023 23.94 files
et2libc WaniCTF 2023 24.99 files
et2win WaniCTF 2023 24.99 files
etcat WaniCTF 2023 24.99 files
ex HSCTF 2023 – files
ez_pwn ByteBandits 2023 24.64 files
fcalc StarCTF 2023 – files
flash_memory WACON 2023 Quals 25.00 files
flipjump2 perfectblue 2023 – files
flipper zer0pts 2023 52.62 files
formatter TJCTF 2023 – files
gaga angstromCTF 2023 – files
game BRICS+ 2023 Quals 24.68 files
generic_rop_challenge ImaginaryCTF 2023 34.52 files
getout2 BSidesSF 2023 35.00 files
getout3 BSidesSF 2023 35.00 files
go2win Hackappatoi 2023 – files
golf_course NewportBlakeCTF 2023 – files
hackerisu_level_1 Block 2023 – files
hackerisu_level_2 Block 2023 – files
happyCard RealWorld 2023 – files
harem-scarem corCTF 2023 36.97 files
heapnotes NewportBlakeCTF 2023 – files
heapster HackersPlayground 2023 51.00 files
hex-converter AmateursCTF 2023 24.54 files
hex-converter-2 AmateursCTF 2023 24.54 files
hipwn ASIS 2023 Quals 89.80 files
hohoql LINE 2023 – files
hopscotch NewportBlakeCTF 2023 – files
http4d LINE 2023 – files
hyper-k KalmarCTF 2023 24.21 files
i-love-ffi AmateursCTF 2023 24.54 files
icefox KITCTFCTF 2023 – files
infinitedescent IrisCTF 2023 24.59 files
jit WMCTF 2023 – files
jitland InternetFestival 2023 Quals 25.00 files
kconcat GoogleCTF 2023 – files
koeri_stock KITCTFCTF 2023 – files
koeri_treasury KITCTFCTF 2023 – files