$ ctf42

Challenges

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

Challenge CTF Weight Category Has
BuggyPWN
#custom-vm-reversing#2d-memory-oob#stack-overflow#printable-shellcode
 CTFZone 2018 Quals 23.92 Misc files wu 2
EZPZ_CRKMEE
#avr-firmware-reversing#simavr-emulation#gdb-scripting
 CTFZone 2018 Quals 23.92 Misc files wu 1
FederationWorkflowSystem
#aes-ecb#byte-at-a-time-decryption#chosen-prefix
 CTFZone 2018 Quals 23.92 Misc files wu 1
JSZone
#js-engine-exploit#type-confusion#valueof-gc-callback#addrof-fakeobj
 CTFZone 2018 Quals 23.92 Misc files wu 1
MobileBank
#format-string#got-overwrite#dynelf-leak#ret2system
 CTFZone 2018 Quals 23.92 Misc files wu 3
SignatureServer
#winternitz-ots#signature-forgery#checksum-bypass
 CTFZone 2018 Quals 23.92 Misc files wu 1
android_ololo_country_checker
#android-reversing#native-library#arm#jni
 CTFZone 2018 Quals 23.92 Misc files wu 2
minesweeper CTFZone 2025 Quals 92.45 Misc files
Delivery_issues CTFZone 2023 Quals 90.90 Misc files
private_problem CTFZone 2018 Quals 23.92 Misc files