$ ctf42

Challenges

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

Challenge CTF Weight Category Has
Entropyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy
#bcrypt-72-byte-input-truncation
 1753CTF 2025 34.82 Web files wu 1
Escatlate_flag_1
#mass-assignment#insecure-role-assignment#broken-access-control
 1753CTF 2025 34.82 Web files wu 1
Escatlate_flag_2
#unicode-case-mapping-bypass#touppercase-tolowercase-normalization
 1753CTF 2025 34.82 Web files wu 1
Rest_In_Peace
#restic-backup-cracking#restic2john#john-the-ripper
 1753CTF 2025 34.82 Forensics files wu 1
Positive_Players
#prototype-pollution
 justCTF 2025 97.20 Web files wu 1
Another_Another_CSP
#css-injection-leak
 justCTF 2024 Quals 77.17 Web files wu 1
Baby_SoC
#esp32-flashdump
 justCTF 2024 Quals 77.17 Forensics files wu 3
Budget_SoC
#xtensa-reversing
 justCTF 2024 Quals 77.17 Forensics files wu 3
Casino
#prng-seed-collision
 justCTF 2024 Quals 77.17 Misc files wu 2
Dark_BrOTTERhood
#move-access-control
 justCTF 2024 Quals 77.17 Blockchain files wu 3
Duality
#hmac-key-length-collision
 justCTF 2024 Quals 77.17 Crypto files wu 2
Star
#tar-wildcard-injection
 justCTF 2024 Quals 77.17 Reverse files wu 1
The_Otter_Scrolls
#hardcoded-secret
 justCTF 2024 Quals 77.17 Blockchain files wu 3
World_of_Ottercraft
#move-state-machine
 justCTF 2024 Quals 77.17 Blockchain files wu 3
interlock
#interlock-mitm
 justCTF 2024 Quals 77.17 Crypto files wu 3
justPocketTheBase
#xss-filter-bypass
 justCTF 2024 Quals 77.17 Web files wu 2
just_TV
#mheg-reversing
 justCTF 2024 Quals 77.17 Reverse files wu 3
leaving_soon
#drm-key-recovery
 justCTF 2024 Quals 77.17 Misc files wu 3
q3vm
#q3vm-oob
 justCTF 2024 Quals 77.17 Pwn files wu 1
Dangerous
#x-forwarded-for
 justCTF 2023 53.00 Web files wu 2
Tic_Tac_PWN
#arbitrary-libc-call
 justCTF 2023 53.00 Pwn files wu 1
eXtra_Safe_Security_layers
#csp-bypass
 justCTF 2023 53.00 Web files wu 1
notabug
#sqlite-load-extension
 justCTF 2023 53.00 Pwn files wu 1
notabug2
#sqlite-libc-load
 justCTF 2023 53.00 Pwn files wu 1
BabyXSLeak
#xs-leak
 justCTF 2022 35.66 Web files wu 1
Skilltest
#stack-pivot
 justCTF 2022 35.66 Pwn files wu 1
arm
#format-string
 justCTF 2022 35.66 Pwn files wu 2
chromatic_aberration
#js-engine-exploitation#wasm-shellcode
 CONFidence 2020 Quals 24.96 Misc files wu 3
forgotten_module
#kexec#kernel-boot
 CONFidence 2020 Quals 24.96 Misc files wu 1
kvm
#vm-escape#kvm-hypervisor
 CONFidence 2020 Finals 24.96 Misc files wu 1
Shellcode_Executor_PRO
#shellcode-filter-bypass
 justCTF 2019 24.85 Misc files src wu 2
Baby_Otter justCTF 2023 53.00 Pwn files wu 1
Easy_Cloud_Auth justCTF 2023 53.00 Web files wu 1
Safeblog justCTF 2023 53.00 Web files wu 2
dangle_me
#dangling-pointer#stack-use-after-return
 pingCTF 2023 – Pwn files wu 1
easy_rsa
#rsa#bitwise-leak#bit-by-bit-dfs-factoring
 pingCTF 2023 – Crypto files wu 2
LeagueOfLamports justCTF 2022 35.66 Pwn files wu 3
pcg
#oob-index#stack-buffer-overflow#ret2libc#custom-image-parser
 pingCTF 2022 24.29 Pwn files wu 1
vault
#header-whitespace-normalization#admin-bot#auth-bypass
 pingCTF 2022 24.29 Web files wu 1
Baby_MAC
#cbc-mac-forgery
 Dragon 2021 99.33 Crypto files wu 2