$ 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
Ultron_Encodes TexSAW 2024 – files
Unchained Bearcat 2024 – files
Uncompetitive_Programming ASIS 2024 Quals 66.25 files
Unicornel GoogleCTF 2024 – files
Universal_Accounting_Free ASIS 2024 Finals 66.25 files
User_management DeadSec 2024 23.96 files
UwUOF+++_Super_ARM_Deluxe_Edition HKUSTFirebird 2024 – files
UwUfier AI 2024 – files
V8_SBX HITCON 2024 Quals 100.00 files
V8box BackdoorCTF 2024 – files
VIP_Blacklist CSAW 2024 Quals 21.80 files src
VIRTUAL TFC 2024 – files
VSPM TFC 2024 – files
Vaulty insomnihack 2024 Quals 32.00 files
Vent_Bot squ1rrel 2024 24.25 files
Wanna_Play_a_Game 0xL4ugh 2024 25.00 files
Warm_of_Pon VolgaCTF 2024 Quals 35.91 files
Warmup MetaRed 2024 – files
We_Sell_Local_Programs_I BlueWater 2024 82.00 files
What_To_Do ASIS 2024 Quals 66.25 files
WhiteRabbit WorldWide 2024 – files
Wish_Party ASIS 2024 Finals 66.25 files
Write_me idekCTF 2024 52.06 files
XZ_Supply BSidesSF 2024 – files
Xv6_Homework openECSC 2024 round3 – files
Yet_Another_Format_String_Bug 0xL4ugh 2024 25.00 files
Yet_another_guessing_game openECSC 2024 round2 – files
YouKnowHowToFuzz RealWorld 2024 – files
a_silence_of_three_parts idekCTF 2024 52.06 files
add1 DamCTF 2024 47.75 files
amegapwn CrewCTF 2024 26.89 files
average_todo_app CyberOdyssey Akasec 2024 Quals – files
baby_bear_blockchain AmateursCTF 2024 24.54 files
baby_elfcrafting AmateursCTF 2024 24.54 files
baby_heap TJCTF 2024 – files
baby_sandbox AmateursCTF 2024 24.54 files
babybs bi0sCTF 2024 79.83 files
babyheap Pearl 2024 23.95 files
babysbx AirOverflow 2024 25.00 files
babysigin WMCTF 2024 – files