$ 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
Half_Blind PwnSec 2024 – files
Halloween HITCON 2024 Quals 100.00 files
Happy_Golfing BackdoorCTF 2024 – files
Hard_pillow CyberSecurityRumble 2024 Quals 100.00 files
Heap_Heap_Heap GreyCatTheFlag 2024 Quals – files
Heap_Peek_and_Poke FortID 2024 – files
Heapie CrateCTF 2024 – files
Heaps_of_Garbage TexSAW 2024 – files
Holy_pwn LakeCTF 2024 Quals – files
How_to_Raise_a_Boring_Vuln LexingtonInformaticsTournament 2024 46.25 files
How_to_Raise_a_Boring_Vuln_Flat LexingtonInformaticsTournament 2024 46.25 files
IP_Management_System 0CTF 2024 24.34 files
ISH_2 HKCERT 2024 Quals – files
ISH_3 HKCERT 2024 Quals – files
I_HATE_PHP Securinets 2024 Quals 95.59 files
I_Have_No_Syscalls_And_I_Must_Scream Block 2024 – files
Infinite_Echo LexingtonInformaticsTournament 2024 46.25 files
Insanity_Check IrisCTF 2024 24.59 files
Intel_CET_Bypass_Challenge IERAE 2024 – files
Iterant Shaastra 2024 – files
Jail_Shell BSidesMumbai 2024 – files
Java Securinets 2024 Quals 95.59 files
Juggler_1 BCACTF 2024 – files
Juggler_2 BCACTF 2024 – files
K TCP1P 2024 89.85 files
KUlele CrewCTF 2024 26.89 files
K_Revenge TCP1P 2024 89.85 files
Kosandra Nexus 2024 – files
Kuwu BackdoorCTF 2024 – files
LIT_Arcade LexingtonInformaticsTournament 2024 46.25 files
LUMAPCI TFC 2024 – files
Lake_halfway_house LakeCTF 2024 Quals – files
Leaky_Pipes OSCTF 2024 – files
Lets_party_in_the_house RealWorld 2024 – files
Lib_Riddle OSCTF 2024 – files
Library PwnSec 2024 – files
Life_Simulator_2 SekaiCTF 2024 36.96 files
Limit_of_possibilities RedShift.Eclipse2 2024 Quals 23.40 files
Line_crosser openECSC 2024 round1 – files
Log4x86 openECSC 2024 round3 – files