CTF challenges & writeups

223 challenges in family ⊕ pwn:heap ✕ clear · browse all techniques

Challenge	CTF	Weight	Category	Has
n1proxy #rust-use-after-free	N1CTF 2023	97.33	Pwn	files wu 1
LogService #double-free #fastbin-attack	TeamItaly 2023	24.88	Pwn	files wu 1
kSMS_Secure_Message_Storage #kernel-exploitation #use-after-free (uaf)	TeamItaly 2023	24.88	Pwn	files wu 1
q #vim9script #use-after-free (uaf)	TeamItaly 2023	24.88	Pwn	files wu 1
heaphp #use-after-free (uaf)#info-leak #php	WACON 2023 Quals	25.00	Pwn	files wu 1
garbage-is-easy #tcache-poisoning	FE-CTF 2022	–	Pwn	files wu 1
klibrary #linux-kernel-exploitation #userfaultfd #heap	3kCTF 2021	24.14	Pwn	files wu 1
Shop_Manager #heap-overflow #tcache	COMPFEST 2021	–	Pwn	files wu 1
Just_another_heap #heap #null-pointer-write #write-what-where #got-overwrite	DCTF 2021	–	Pwn	files wu 1
Kqueue #kernel-heap-overflow	InCTF 2021	70.41	Pwn	files wu 1
Gradebook #tcache-poisoning	K3RN3LCTF 2021	24.37	Pwn	files wu 2
curve #format-string #stack-buffer-overflow #free-hook	PBjar 2021	23.18	Pwn	files wu 2
The_Mound #custom-heap #double-free #arbitrary-write #got-overwrite	RaRCTF 2021	24.53	Pwn	files wu 1
Unintended #strlen-overflow #heap-overflow #tcache	RaRCTF 2021	24.53	Pwn	files wu 3
Shop #use-after-free (uaf)	SPbCTF 2021 Quals	–	Misc	files wu 1
duet #off-by-one #largebin-attack #fastbin-attack #fsop #setcontext	0CTF 2020 Quals	–	Pwn	files wu 1
faker #use-after-free (uaf)#heap #seccomp-orw-shellcode	3kCTF 2020	24.14	Misc	files wu 2
Diary #heap-overflow #fastbin-attack #overlapping-chunks #malloc-hook	Balsn 2020	25.00	Misc	files wu 3
notes #heap-overflow #calloc-mmap-bit-leak #libc-leak #free-hook-overwrite #glibc-2.31	CSCML 2020	–	Misc	files wu 1
how-to-heap #heap #tcache-dup #malloc-hook-overwrite #safe-linking #libc-2.32	CyberSecurityRumble 2020	28.00	Misc	files wu 2
error_program #heap #use-after-free (uaf)#tcache #libc-2.27	Defenit 2020	23.88	Misc	files wu 3
Heap-Hop #use-after-free (uaf)	Dragon 2020	98.00	Pwn	files wu 1
card #tcache-poisoning	GACTF 2020	–	Misc	files wu 1
bookworm #use-after-free (uaf)	HackPack 2020	–	Misc	files wu 2
toddler_cache #tcache-poisoning	HackPack 2020	–	Misc	files wu 1
Pwncry #double-free	InCTF 2020	53.95	Misc	files wu 1
EasyWrite #tcache-poisoning	N1CTF 2020	36.00	Misc	files wu 1
Cards #tcache-poisoning #safe-linking-bypass #environ-leak #orw-rop	PoseidonCTF 2020	–	Misc	files wu 2
Oldnote #negative-size #heap-overflow #stdout-file-leak #free-hook	PoseidonCTF 2020	–	Misc	files wu 2
at_your_command #use-after-free (uaf)#file-structure-exploitation #fake-file	Pwn2Win 2020	63.56	Misc	files wu 3
EasyWinHeap #windows-heap-exploitation #use-after-free (uaf)	SCTF 2020	–	Misc	files wu 2
snake #off-by-one #fastbin-attack #malloc-hook	SCTF 2020	–	Misc	files wu 1
baby_mac #heap-overflow #arbitrary-write #hook-overwrite	WMCTF 2020	–	Misc	files wu 1
roshambo #heap-overflow #tcache	WMCTF 2020	–	Misc	files wu 1
soda_pop_bop #house-of-force #heap-overflow	rgbCTF 2020	19.74	Misc	files wu 3
BabyHeap #null-byte-off-by-one #heap-overlap #tcache	0CTF 2019 Quals	–	Pwn	files wu 1
applepie #macos-heap-overflow #mach-o-pie	0CTF 2019 Quals	–	Pwn	files wu 1
plang #out-of-bounds-write #heap-overlap #tcache-poisoning #malloc-hook-overwrite	0CTF 2019 Quals	–	Pwn	files wu 1
Machbook #macos-heap-exploitation #libmalloc	Balsn 2019	25.00	Misc	files wu 1
securenote #heap-overflow #aes-ctr-keystream-recovery #overlapping-chunks	Balsn 2019	25.00	Misc	files wu 1

Challenges