$ 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
Easybin CyberGrabs 2021 – files
EncrHeapt BlueHens 2021 22.62 files
Energon_Flux_Monitor_Pt1 BSidesCanberra 2021 – files
EveningCityPD Tenable 2021 22.37 files
FA51R_PWN 0CTF 2021 Quals – files
FS-1 darkCON 2021 24.06 files
FS-2 darkCON 2021 24.06 files
Faucet HacktivityCon 2021 – files
File RTL 2021 – files
Filters MetaCTF 2021 – files
Find_Me Pragyan 2021 12.69 files
Form_a_String ImaginaryCTF 2021 – files
Freedom_doesnt_exist RTL 2021 – files
Gadget SCTF 2021 – files
GambitQueens Tenable 2021 22.37 files
Gil_Triangle Block 2021 30.75 files
GlitterPrinter BSidesSF 2021 23.94 files
GrOSs_1 CyBRICS 2021 33.32 files
Green_shell ImaginaryCTF 2021 – files
HEAPS_DONT_LIE TFC 2021 – files
Hammer_To_Fall KillerQueen 2021 21.14 files
Handvm 3kCTF 2021 24.14 files
Hotel_Codeifornia RACTF 2021 – files
House_of_Cats Balsn 2021 37.00 files
Houses_Or_Something MetaCTF 2021 – files
ICICLE_Jail ImaginaryCTF 2021 – files
INTerruption MetaCTF 2021 – files
Inception THCon 2021 – files
Insecure_System Tamil 2021 14.13 files
Jerry N1CTF 2021 53.54 files
KoH 0CTF 2021 Quals – files
Kode_Buta COMPFEST 2021 – files
Korean_Space_Program Block 2021 30.75 files
Leaky_shell MetaRed 2021 – files
Legacy_Pt_2 MCTF 2021 Quals – files
Librarian_2 ImaginaryCTF 2021 – files
LinkerMachineBroke UTCTF 2021 – files
Little_Buggy_Editor CyBRICS 2021 33.32 files
LogThemAll BSidesSF 2021 23.94 files
Login Pragyan 2021 12.69 files