$ ctf42

Challenges

Category
Difficulty
CTFtime weight
–
Higher weight ≈ harder, more prestigious event.
Year
–
Must have
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1001 challenges · browse all techniques

Challenge CTF Weight Category Has
Last_Flight
#isogeny#supersingular-elliptic-curve
 SECCON 2025 Quals – Crypto files wu 1
dummyhole
#content-type-bypass#path-traversal#ssrf
 SECCON 2025 Quals – Web files wu 1
Boom_Boom_Hell
#bun-shell-injection
 LINE 2024 – Web files wu 1
G0tcha_G0tcha_doggy
#securerandom-prediction
 LINE 2024 – Web files wu 1
Heritage
#http-request-splitting
 LINE 2024 – Web files wu 1
This_message_will_self_destruct_in...
#race-condition
 LINE 2024 – Web files wu 1
auth_internal
#ssrf-file-scheme
 LINE 2024 – Web files wu 1
graphql_101
#graphql-batching-bypass
 LINE 2024 – Web files wu 1
hhhhhhhref
#open-redirect
 LINE 2024 – Web files wu 1
jalyboy_baby
#jwt-none-algorithm
 LINE 2024 – Web files wu 1
jalyboy_jalygirl
#cve-2022-21449
 LINE 2024 – Web files wu 1
one_time_read
#dom-xss
 LINE 2024 – Web files wu 1
zipviewer_version_citizen
#zip-symlink-read
 LINE 2024 – Web files wu 1
zipviewer_version_clown
#zip-symlink-race
 LINE 2024 – Web files wu 1
SQLite_of_Hand
#sql-injection
 TSG 2024 – Pwn files wu 1
another-secure-store-note
#dangling-markup
 LINE 2023 – Web files wu 1
baby-simple-gocurl
#x-forwarded-for-spoof
 LINE 2023 – Web files wu 1
hackatris
#rop-ret2libc
 LINE 2023 – Pwn files wu 3
memento
#thread-local-state-leak
 LINE 2023 – Web files wu 1
Perfect_Blu
#dvd-vm#reversing
 SECCON 2023 Quals 100.00 Reverse files wu 1
blackout
#integer-truncation#heap-overflow
 SECCON 2023 Quals 100.00 Pwn files wu 1
selfcet
#buffer-overflow#cet-bypass#srop
 SECCON 2023 Quals 100.00 Pwn files wu 1
BABA_PWN_GAME
#out-of-bounds (oob)#game-logic
 TSG 2023 – Pwn files wu 3
Brainfxxk_Challenge
#xss#csp-bypass
 TSG 2023 – Web files wu 2
Complicated_Function
#rsa#partial-key-exposure#coppersmith
 TSG 2023 – Crypto files wu 3
DANCE
#aes-gcm#tag-forgery
 TSG 2023 – Web files wu 3
Functionless
#javascript#functionless-exploit
 TSG 2023 – Misc files wu 1
Ghost
#logic-flaw
 TSG 2023 – Pwn files wu 2
Graffiti_in_the_Fog
#pca#data-analysis
 TSG 2023 – Misc files wu 1
Learning_with_Exploitation
#lwe#lattice#knapsack
 TSG 2023 – Crypto files wu 3
Natural_Flag_Processing_2
#reversing
 TSG 2023 – Reverse files wu 1
RANDOM_SEED_RANDOM
#prng#cycle-length-attack
 TSG 2023 – Crypto files wu 2
Secret_Sequence
#low-entropy-key#bruteforce
 TSG 2023 – Misc files wu 2
Streamer
#stream-cipher#bruteforce
 TSG 2023 – Crypto files wu 3
T_the_weakest
#reversing#side-channel
 TSG 2023 – Reverse files wu 2
Unique_Flag
#rsa#character-oracle#tree-search
 TSG 2023 – Crypto files wu 3
Upside_down_cake
#type-confusion#javascript
 TSG 2023 – Web files wu 3
absurdres
#xss#csp-bypass
 TSG 2023 – Web files wu 2
beginners_rev_2023
#reversing
 TSG 2023 – Reverse files wu 3
bypy
#cpython-bytecode#oob-read
 TSG 2023 – Pwn files wu 1