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Challenges

Category
Difficulty
CTFtime weight
–
Higher weight ≈ harder, more prestigious event.
Year
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Must have
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6 challenges tagged #fastbin-dup ✕ clear · browse all techniques

Challenge CTF Weight Category Has
mailman
#fastbin-dup
 ImaginaryCTF 2023 34.52 Pwn files wu 2
babyjeep
#double-free#fastbin-dup
 BlueHens 2021 22.62 Pwn files wu 1
secure_keymanager
#double-free#fastbin-dup#format-string#got-overwrite
 SECCON 2017 Quals 30.00 Misc files wu 3
BabyHeap
#off-by-one#double-free#fastbin-dup#malloc-hook-overwrite
 0CTF 2018 Quals – Pwn files wu 1
freenote2018
#double-free#fastbin-dup#overlapping-chunks#malloc-hook-overwrite
 0CTF 2018 Finals – Pwn files wu 1
easiest
#fastbin-dup#double-free#stdout-vtable#fsop
 BCTF 2018 – Misc files wu 1