$ 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

Filter and sort these in the challenge browser →

Challenge CTF Weight Has
Filer Glacier 2022 24.32 files
ForNBack vsCTF 2022 23.32 files
Fork_Knife UMDCTF 2022 – files
FormatStringFoolery ImaginaryCTF 2022 24.65 files
FormatStringFun ImaginaryCTF 2022 24.65 files
Format_Fortune BCACTF 2022 – files
FreeFall Winja 2022 – files
FuzzLightyear SpaceHeroes 2022 23.94 files
GFT SekaiCTF 2022 24.86 files
Generator HeroCTF 2022 51.22 files
Generic 1337UP 2022 22.49 files
Ghost FooBarCTF 2022 21.61 files
Got_libc BCACTF 2022 – files
GuessGame Jade 2022 23.95 files
HNote Hayyim 2022 25.00 files
HouseofMagic BackdoorCTF 2022 24.70 files
I-love-cURL THCon 2022 – files
Impossible HeroCTF 2022 51.22 files
Jail_Escape UACWS 2022 – files
KrampusGreetings X-MAS 2022 – files
LaplandBeacon X-MAS 2022 – files
Lights_off Engineer 2022 22.65 files
LimitedResources NahamCon 2022 EU 24.61 files
Login HeroCTF 2022 51.22 files
LostPassword Engineer 2022 22.65 files
LoveCalculator Jade 2022 23.95 files
LunarGateway SpaceHeroes 2022 23.94 files
MESSAGE TFC 2022 – files
Master_of_DNS AzureAssassinAlliance 2022 23.80 files
MemoryManager Hayyim 2022 25.00 files
Minimal_bar Hackappatoi 2022 24.71 files
Monsters justCTF 2022 35.66 files
MyCarsShowSpeed RCTF 2022 – files
NFT_IDOR ISITDTU 2022 Quals 34.00 files
NatoriSana COMPFEST 2022 – files
NaughtyList X-MAS 2022 – files
Neon TyphoonCon 2022 21.50 files
Nile LakeCTF 2022 Quals 23.96 files
Noshell UACWS 2022 – files
Notes justCTF 2022 35.66 files