CTF challenges & writeups

Challenge	CTF	Weight	Category	Has
speedpwn #fsop #file-structure	SekaiCTF 2024	36.96	Pwn	files wu 1
babyfile #fsop #file-structure #io-obstack-jumps	SECCON 2022 Quals	97.90	Pwn	files wu 2
success #info-leak #stack-overflow #fsop	Securinets 2021 Quals	41.71	Pwn	files wu 2
nullptr #heap #mmap-threshold-overwrite #fsop #malloc-hook-overwrite	ALLES 2020	–	Misc	files wu 2
refcnt #use-after-free (uaf)#tcache-poisoning #fsop	ASIS 2020 Finals	64.97	Misc	files wu 1
butterfly #file-struct-exploit #fsop #libc-leak	DarkCTF 2020	23.71	Misc	files wu 1
lazynote #fsop #file-structure	SECCON 2020 Quals	65.77	Misc	files wu 1
house_of_tataru #fsop	N1CTF 2021	53.54	Pwn	files wu 1
duet #off-by-one #largebin-attack #fastbin-attack #fsop #setcontext	0CTF 2020 Quals	–	Pwn	files wu 1
easiest #fastbin-dup #double-free #stdout-vtable #fsop	BCTF 2018	–	Misc	files wu 1

Challenges