$ 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
Expose EnigmaXplore 2024 – files
FSisOP DreamhackInvitational 2024 Quals – files
Falling_In_ROP SpaceHeroes 2024 24.50 files
Fast_Formatter KalmarCTF 2024 24.21 files
Faulty_Kernel DownUnderCTF 2024 68.04 files
Feedback_Portal R3CTF 2024 23.50 files
File_Structure_OPerator SpaceHeroes 2024 24.50 files
Filtered NoHackNoCTF 2024 – files
Fishbabys_Library NoHackNoCTF 2024 – files
Flag_Roulette GCC 2024 – files
Flag_hasher HKCERT 2024 Quals – files
Flaming_Lips BlueHens 2024 34.05 files
Flash_Loan AptosCodeCollision 2024 – files
Flight_Script PatriotCTF 2024 31.83 files
Flipper_Hero HKCERT 2024 Quals – files
Free_My_Man_Pascal WorldWide 2024 – files
FullChain bi0sCTF 2024 79.83 files
Function_Pairing LexingtonInformaticsTournament 2024 46.25 files
Future_of_Pwning_1 GPN 2024 – files
Future_of_Pwning_2 GPN 2024 – files
GUARD_THE_BYPASS TFC 2024 – files
Gadget_Database RITSEC 2024 – files
Gadgets Cygenix 2024 – files
Game_of_Luck ISITDTU 2024 Quals 51.00 files
Gents_Favorite_Model BuckeyeCTF 2024 50.91 files
Get_The_Sword KnightCTF 2024 6.65 files
Ghost_Restaurant Codegate 2024 Quals – files
Ghost_application RedShift.Eclipse2 2024 Quals 23.40 files
Gift GPN 2024 – files
Gleamering_Hope HITCON 2024 Quals 100.00 files
GoComplier SCTF 2024 – files
God_of_War Pearl 2024 23.95 files
Going_Back Pearl 2024 23.95 files
Good_Old_Days_ToDo ASIS 2024 Finals 66.25 files
Goodbye_Porkpwnpie_Hat BCACTF 2024 – files
Gopherflow_Returns NahamCon 2024 41.61 files
Got_Root EnigmaXplore 2024 – files
Grades ASIS 2024 Quals 66.25 files
Grading_system NoHackNoCTF 2024 – files
GymNotes Hack.lu 2024 100.00 files