$ ctf42

Challenges

Category
Difficulty
CTFtime weight
–
Higher weight ≈ harder, more prestigious event.
Year
–
Must have
Reset

37 challenges · browse all techniques

Challenge CTF Weight Category Has
full_protection
#format-string#fortify-bypass#canary-leak#rop
 ASIS 2020 Quals 64.97 Misc files wu 3
invisible
#realloc-zero-size-free#double-free#fastbin
 ASIS 2020 Quals 64.97 Misc files wu 1
refcnt
#use-after-free (uaf)#tcache-poisoning#fsop
 ASIS 2020 Finals 64.97 Misc files wu 1
yet_another_house
#poison-null-byte#tcache-stash-unlink#tcache-poisoning#seccomp-bypass
 ASIS 2020 Finals 64.97 Misc files wu 1
Precise_average
#stack-canary-bypass#libc-leak#one-gadget#stack-pivot
 ASIS 2019 Quals 61.07 Misc files wu 2
Silk_road_I
#input-constraint-cracking#brute-force
 ASIS 2019 Quals 61.07 Misc files wu 2
asvdb
#uninitialized-variable#use-after-free (uaf)#double-free#tcache-poisoning#free-hook-one-gadget
 ASIS 2018 Finals 55.00 Misc files wu 3
inception
#stack-overflow#rop#ret2csu#got-leak
 ASIS 2018 Finals 55.00 Misc files wu 3
babynote ASIS 2020 Quals 64.97 Misc files wu 1
tthttpd ASIS 2020 Quals 64.97 Misc files wu 1
Silk_road_II ASIS 2019 Quals 61.07 Misc files wu 1
Silk_road_III ASIS 2019 Quals 61.07 Misc files wu 1
pwn101 ASIS 2019 Quals 61.07 Misc files wu 2
series ASIS 2019 Finals 61.07 Misc files wu 1
Mic_Check ASIS 2026 Quals 90.53 Misc files
Honeymoon ASIS 2025 Finals 96.29 Misc files
TeXyC ASIS 2025 Finals 96.29 Misc files
Zone_of_Order ASIS 2025 Finals 96.29 Misc files
Phantom_Theft ASIS 2024 Quals 66.25 Misc files
Snoopy ASIS 2024 Quals 66.25 Misc files
Thuesday ASIS 2024 Finals 66.25 Misc files
Visual_Symphony ASIS 2024 Quals 66.25 Misc files
fetch_box ASIS 2024 Finals 66.25 Misc files
babyauth ASIS 2020 Finals 64.97 Misc files
minilang++ ASIS 2020 Finals 64.97 Misc files
safari_park ASIS 2020 Quals 64.97 Misc files
shared_house ASIS 2020 Quals 64.97 Misc files
vote.d ASIS 2020 Finals 64.97 Misc files
BFI ASIS 2019 Finals 61.07 Misc files
BabyVM1 ASIS 2019 Quals 61.07 Misc files
Double_cream ASIS 2019 Quals 61.07 Misc files
ROP13 ASIS 2019 Finals 61.07 Misc files
md5_online ASIS 2019 Finals 61.07 Misc files
securalloc ASIS 2019 Finals 61.07 Misc files
KeX ASIS 2018 Finals 55.00 Misc files
mem0 ASIS 2018 Finals 55.00 Misc files
ret2libc ASIS 2017 Quals 37.88 Misc files