CTF challenges & writeups

112 challenges in family ⊕ pwn:memory-primitive ✕ clear · browse all techniques

Challenge	CTF	Weight	Category	Has
simulator #custom-vm #mips-assembly #arbitrary-read-write	RCTF 2018	–	Misc	files wu 2
profile #cpp-string #arbitrary-read #one-gadget	SECCON 2018 Quals	36.92	Misc	files wu 3
swap_returns #arbitrary-write #swap-primitive	TokyoWesterns 2018	–	Misc	files wu 3
breakingout #negative-index #got-overwrite #one-gadget	WPICTF 2018	–	Misc	files wu 1
The_Calculator #format-string #arbitrary-write	X-MAS 2018	–	Misc	files wu 1
The_Calculator_2.0 #format-string #arbitrary-write	X-MAS 2018	–	Misc	files wu 1
Trust_Issues #op-tee #trustlet #brainfuck-interpreter #oob-read	SAS 2025 Quals	20.72	Pwn	files wu 1
Symmetry_2 #out-of-bounds-write	KalmarCTF 2024	24.21	Crypto	files wu 1
Banking_Issues #python-negative-index #access-control-bypass	BxMCTF 2023	–	Pwn	files wu 1
Classy #stack-buffer-overflow #scanf-overflow #privilege-variable-overwrite #c++	CyberSecurityRumble 2023 Quals	24.80	Pwn	files wu 1
riscy-stack_Userspace #risc-v #rwx-page #note-oob #shellcode	CyberSecurityRumble 2023 Quals	24.80	Pwn	files wu 1
Sentence_To_Hell #format-string #write-what-where #got-overwrite	DanteCTF 2023	24.44	Pwn	files wu 1
ezvm #vm-escape #bytecode-interpreter-oob	0CTF 2022	100.00	Pwn	files wu 1
AuViel #oob-write	Hayyim 2022	25.00	Pwn	files wu 1
pcg #oob-index #stack-buffer-overflow #ret2libc #custom-image-parser	pingCTF 2022	24.29	Pwn	files wu 1
rainy-redis #lua-sandbox-escape #oob-write	BSidesTLV 2021	23.94	Pwn	files wu 1
staff #uninitialized-memory #stack-leak	BuckeyeCTF 2021	24.81	Pwn	files wu 3
Just_another_heap #heap #null-pointer-write #write-what-where #got-overwrite	DCTF 2021	–	Pwn	files wu 1
Magic_trick #write-what-where #got-overwrite	DCTF 2021	–	Pwn	files wu 3
Pinch_me #stack-buffer-overflow #variable-overwrite	DCTF 2021	–	Pwn	files wu 3
ctfhub2 #php-ffi-oob	N1CTF 2021	53.54	Pwn	files wu 1
The_Mound #custom-heap #double-free #arbitrary-write #got-overwrite	RaRCTF 2021	24.53	Pwn	files wu 1
chromium_rce #v8-exploitation #typedarray-oob #torque-builtin-bug	0CTF 2020 Quals	–	Pwn	files wu 1
RemoteSchool #buffer-overflow #strncpy #write-what-where #return-address-overwrite	AUCTF 2020	–	Misc	files wu 3
ByteCafe #stack-overflow #variable-overwrite #gets	ByteCTF 2020	–	Misc	files wu 1
bflol #brainfuck-interpreter #oob-tape #memory-corruption	CyberSecurityRumble 2020	28.00	Misc	files wu 2
BitmapManager #oob-read	Dragon 2020	98.00	Pwn	files wu 1
Party_Planner #negative-index	InCTF 2020	53.95	Misc	files wu 3
baby_mac #heap-overflow #arbitrary-write #hook-overwrite	WMCTF 2020	–	Misc	files wu 1
plang #out-of-bounds-write #heap-overlap #tcache-poisoning #malloc-hook-overwrite	0CTF 2019 Quals	–	Pwn	files wu 1
bfkush1 #brainfuck #out-of-bounds-read	Blaze 2019	24.07	Misc	files wu 1
securepad #uninitialized-variable	InCTF 2018	25.00	Misc	files wu 3

Challenges