$ 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
Lord_Saturday CircleCityCon 2021 25.00 files
LostArk HackersPlayground 2021 24.50 files
Lottery TAMUctf 2021 – files
MSPaint MetaRed 2021 – files
Meet_Me_Under_the_Arch TAMUctf 2021 – files
Memory HackersPlayground 2021 24.50 files
MessyUTF-8 UTCTF 2021 – files
Middleagedheap b01lers 2021 22.99 files
Mine COMPFEST 2021 – files
MoM5m4g1c wtf 2021 19.21 files
Moneypoly COMPFEST 2021 – files
MyLittlePwny BreakTheSyntax 2021 – files
NSTFTPwn DawgCTF 2021 23.29 files
NoGadgets FooBarCTF 2021 21.61 files
No_Output Tamil 2021 14.13 files
Node_Keeper InCTF 2021 70.41 files
NoteEdit Balsn 2021 37.00 files
Notes FwordCTF 2021 24.42 files
Oldskool FooBarCTF 2021 21.61 files
Out_Of_Cash Block 2021 30.75 files
Out_of_Order perfectblue 2021 – files
PIXEL_ART TFC 2021 – files
PainterHell justCTF 2021 24.85 files
Pawn angstromCTF 2021 – files
Pawned HacktivityCon 2021 – files
Pngoshop CyBRICS 2021 33.32 files
Powerhell CyberSecurityRumble 2021 41.60 files
Pr1ns0n_Br34k wtf 2021 19.21 files
Prison wtf 2021 19.21 files
Pwn_CTF CyberGrabs 2021 – files
Pwn_Warmup UIUCTF 2021 – files
QueenGambit Tenable 2021 22.37 files
QueryFirewall LINE 2021 – files
RAIId_Shadow_Legends angstromCTF 2021 – files
ROPnCall ImaginaryCTF 2021 – files
ROPuzzle DigitalOverdose 2021 – files
Retro_Pwn Pragyan 2021 12.69 files
Returning-2 Shakti 2021 25.00 files
Reverseme BSidesSF 2021 23.94 files
Reverseme2 BSidesSF 2021 23.94 files