$ ctf42

Challenges

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

5 challenges tagged #fastbin ✕ clear · browse all techniques

Challenge CTF Weight Category Has
invisible
#realloc-zero-size-free#double-free#fastbin
 ASIS 2020 Quals 64.97 Misc files wu 1
EncryptionService
#use-after-free (uaf)#fastbin#heap-overlap
 UTCTF 2019 – Misc files wu 2
heap_heaven_2
#fastbin
 Hack.lu 2018 72.75 Misc files wu 3
BabyFactory
#off-by-one#fastbin#unsorted-bin-leak#free-hook
 PwnThyBytes 2019 25.00 Misc files wu 1
houseofAtum
#tcache-dup#fastbin#file-structure-attack
 BCTF 2018 – Misc files wu 3