$ ctf42

Challenges

Category
Difficulty
CTFtime weight
–
Higher weight ≈ harder, more prestigious event.
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296 challenges · browse all techniques

Challenge CTF Weight Category Has
Mediocrity
#custom-vm#arbitrary-syscall
 Codegate 2023 Quals – Pwn files wu 1
pcpu
#race-condition#vm
 Codegate 2023 Quals – Pwn files wu 1
sea
#padding-oracle#stack-overflow
 Codegate 2023 Quals – Pwn files wu 2
heaphp
#use-after-free (uaf)#info-leak#php
 WACON 2023 Quals 25.00 Pwn files wu 1
ARVM
#arm-shellcode#instruction-whitelist-bypass
 Codegate 2022 Quals – Pwn files wu 1
CAFE
#parser-differential#xss
 Codegate 2022 Quals – Web files wu 1
File-V
#file-structure-exploitation#shellcode
 Codegate 2022 Quals – Pwn files wu 1
myblog
#xpath-injection
 Codegate 2022 Quals – Web files wu 1
nft
#path-traversal#os-path-join
 Codegate 2022 Quals – Crypto files wu 1
AuViel
#oob-write
 Hayyim 2022 25.00 Pwn files wu 1
Cooldown
#ret2libc
 Hayyim 2022 25.00 Pwn files wu 2
Warmup
#ret2libc
 Hayyim 2022 25.00 Pwn files wu 2
ezrev
#xor
 Hayyim 2022 25.00 Reverse files wu 1
error_program
#heap#use-after-free (uaf)#tcache#libc-2.27
 Defenit 2020 23.88 Misc files wu 3
warmup
#format-string#snprintf
 Defenit 2020 23.88 Misc files wu 2
20000
#command-injection#filter-bypass
 Codegate 2019 Quals – Misc files wu 3
cg_casino
#proc-self-environ#arbitrary-file-read
 Codegate 2019 Quals – Misc files wu 1
Zoo
#heap-exploitation#unlink#unsorted-bin-leak
 Codegate 2018 Quals 25.00 Misc files wu 1
baskin_robins31
#stack-overflow#rop#one-gadget
 Codegate 2018 Quals 25.00 Misc files wu 3
super_marimo
#heap-overflow#got-overwrite#one-gadget
 Codegate 2018 Quals 25.00 Misc files wu 3
asterisk CyKor 2025 – Web files wu 1
dbchat CyKor 2025 – Web files wu 1
se1enium CyKor 2025 – Web files wu 1
Affein Dreamhack 2025 – Pwn files
Branches_and_Leaves Dreamhack 2025 – Reverse files
ByteCaesar Dreamhack 2025 – Crypto files
D_Amos_gift Dreamhack 2025 – Crypto files
Hard_Hash Dreamhack 2025 – Crypto files
Movie_time_table Dreamhack 2025 – Web files
Simple_Note_Manager Dreamhack 2025 – Reverse files
Super_domper_filter Dreamhack 2025 – Web files
bytechanger Dreamhack 2025 – Pwn files
curling Dreamhack 2025 – Web files
ezmix Dreamhack 2025 – Reverse files
flag_printer Dreamhack 2025 – Reverse files
run_for_flag Dreamhack 2025 – Reverse files
shiftalloc Dreamhack 2025 – Pwn files
struct_person_t Dreamhack 2025 – Pwn files
xrop Dreamhack 2025 – Pwn files
Base64_based DreamhackInvitational 2025 Quals – Web files