$ 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
solhana-2 Paradigm 2022 25.00 files
solhana-3 Paradigm 2022 25.00 files
solnote vsCTF 2022 23.32 files
something_something_win UACTF 2022 – files
song LINE 2022 – files
stdcall-of-cthulhu FE-CTF 2022 – files
storage_room pingCTF 2022 24.29 files
susalloc BackdoorCTF 2022 24.70 files
svme RealWorld 2022 – files
sys_jail KITCTFCTF 2022 – files
toddlerVM BackdoorCTF 2022 24.70 files
treepwn AzureAssassinAlliance 2022 23.80 files
trickster OFPPT 2022 – files
trust_code LINE 2022 – files
wah angstromCTF 2022 – files
waifu LexingtonInformaticsTournament 2022 23.87 files
whats_your_name_two KnightCTF 2022 17.38 files
whatsmyname angstromCTF 2022 – files
whereami angstromCTF 2022 – files
writer LexingtonInformaticsTournament 2022 23.87 files
wtfshell-1 HITCON 2022 – files
xblob Securinets 2022 Quals 50.11 files
xmalloc KITCTFCTF 2022 – files
xor GDGAlgiers 2022 23.54 files
zip_parser UMassCTF 2022 23.56 files
zookeeper ImaginaryCTF 2022 24.65 files
zoom-through-time FE-CTF 2022 – files
0ne FooBarCTF 2021 21.61 files
1326D PBjar 2021 23.18 files
597C PBjar 2021 23.18 files
A_little_birdie_told_me ImaginaryCTF 2021 – files
Absolute_Dice RACTF 2021 – files
Academic_Raspberry_Major MetaRed 2021 – files
Allocation_Game Pragyan 2021 12.69 files
Almost HacktivityCon 2021 – files
Arithmetic_Calculator idekCTF 2021 24.56 files
Atheris GoogleCTF 2021 – files
Auto-Pwn niteCTF 2021 – files
BabyARMop Zh3r0 2021 – files
BabyHeap ISITDTU 2021 Quals 23.08 files