$ 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
echo 3kCTF 2021 24.14 files
editor LexingtonInformaticsTournament 2021 23.87 files
elfparser Chaff 2021 – files
elfsecretary X-MAS 2021 – files
encrypted_note DownUnderCTF 2021 – files
enlighten_me_pt_1 Pwn2Win 2021 83.41 files
exploit-for-dummies DEFCON 2021 Quals 80.92 files
eyes-on-stack ImaginaryCTF 2021 – files
ezpez IJCTF 2021 – files
ezpez_return IJCTF 2021 – files
faas Hack.lu 2021 94.48 files
faking_till_you_are_making 0x41414141 2021 – files
futex Balsn 2021 37.00 files
gauntlet4 LexingtonInformaticsTournament 2021 23.87 files
gets LexingtonInformaticsTournament 2021 23.87 files
gorypto zer0pts 2021 24.56 files
gran-a-fallen-lap-ray DEFCON 2021 Quals 80.92 files
graphland Chaff 2021 – files
house_of_the_rising_sun darkCON 2021 24.06 files
httpsaba BSidesAhmedabad 2021 25.00 files
iOA 0CTF 2021 Quals – files
initialkrampus X-MAS 2021 – files
ips VULNCON 2021 – files
iterrun 3kCTF 2021 24.14 files
javascript_for_dummies_part_1 Zh3r0 2021 – files
javascript_for_dummies_part_2 Zh3r0 2021 – files
k3Y wtf 2021 19.21 files
kawaii_note Balsn 2021 37.00 files
khop BSidesNoida 2021 24.46 files
kone_gadget SECCON 2021 – files
lazy LexingtonInformaticsTournament 2021 23.87 files
leaky TAMUctf 2021 – files
looocked-ooout DEFCON 2021 Quals 80.92 files
madlibs LexingtonInformaticsTournament 2021 23.87 files
mama-a-fallen-lap-ray DEFCON 2021 Quals 80.92 files
manag_store S4CTF 2021 24.52 files
memcrashd BSidesCanberra 2021 – files
memcrashd_alpha BSidesCanberra 2021 – files
memcrashd_beta BSidesCanberra 2021 – files
memcrashd_trophy BSidesCanberra 2021 – files