$ 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
Infinite_sleep_level_I GREP 2023 – files
Inheritance CyberSecurityRumble 2023 Quals 24.80 files
InsoSystems insomnihack 2023 Quals 21.38 files
Jamflex WxMCTF 2023 – files
Jedi-oriented-programming SpaceHeroes 2023 23.94 files
Joker TheOdyssey 2023 24.81 files
Jumbled_Otter_Problems Paradigm 2023 25.00 files
Junior_Malware_Developer p4ctf 2023 Quals 70.78 files
Junior_Pwner BSidesAlgiers 2023 25.00 files
Juniorpwn nullconHackIM 2023 Goa – files
Just_Pwnme BSidesAlgiers 2023 25.00 files
Kateryna_Yushchenko CyberHeroines 2023 23.94 files
Kernpass Bauhinia 2023 24.75 files
Konsolidator BackdoorCTF 2023 – files
LLM_Wrapper vsCTF 2023 23.32 files
Legally_blind FE-CTF 2023 – files
Lengan BSidesIndore 2023 18.80 files
Limitations NahamCon 2023 34.82 files
Loanly_At_The_Top BSidesTLV 2023 35.00 files
Los_ifier Glacier 2023 24.32 files
LowCodeLowSecurity HackPack 2023 43.50 files
Master_Formatter BackdoorCTF 2023 – files
Master_Formatter_v2 BackdoorCTF 2023 – files
Math_is_hard FortID 2023 – files
Memorial_Cabbage CakeCTF 2023 – files
MichaelBank IrisCTF 2023 24.59 files
Misfortune_Box Hack.lu 2023 94.73 files
Mock_Kernel UIUCTF 2023 – files
MonkeyType GreyCatTheFlag 2023 Quals – files
More_Banking_Issues BxMCTF 2023 – files
Mouse_Quest_Demo MCTF 2023 Quals – files
My_Friend_A_Loathsome_Worm PointerOverflow 2023 – files
My_Pet_Canary_s_Birthday_Pie LexingtonInformaticsTournament 2023 33.53 files
Mystery_locker justCTF 2023 53.00 files
NOTES TFC 2023 – files
Nahm_Nahm_Nahm NahamCon 2023 34.82 files
NeverCalled Bucket 2023 24.80 files
New_House Hack.lu 2023 94.73 files
NonHeavyFTP RealWorld 2023 – files
Nothing_is_True 0CTF 2023 – files