Misc CTF challenges

3,995 Misc CTF challenges from 420 CTFs (2011–2026), 705 with writeups.

Top misc techniques

Challenges

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Challenge	CTF	Weight	Has
dead_note_lv1 #oob-index	ISITDTU 2018 Quals	23.38	files wu 3
BabyROP2 #one-gadget	Harekaze 2019	23.87	files wu 3
pwn02 #off-by-one #null-byte-poisoning #tcache #heap-overlap	WhiteHat 2018 Quals	–	files wu 3
babyheap #off-by-one #null-byte-poisoning #malloc-hook	RCTF 2018	–	files wu 3
election #off-by-one #null-byte-poisoning #malloc-hook	SECCON 2017 Quals	30.00	files wu 3
stringer #off-by-one #double-free #mmap-chunk #fastbin-attack #malloc-hook	RCTF 2018	–	files wu 3
yawn #off-by-one	InCTF 2018	25.00	files wu 3
turtles #objective-c-reversing #got-overwrite #format-string	CSAW 2018 Quals	30.23	files wu 3
Party_Planner #negative-index	InCTF 2020	53.95	files wu 3
kvm #kvm-vm-reversing #huffman-coding	CSAW 2018 Quals	30.23	files wu 3
chromatic_aberration #js-engine-exploitation #wasm-shellcode	CONFidence 2020 Quals	24.96	files wu 3
cancelled #io-file #off-by-one #tcache #heap-exploitation	UTCTF 2020	–	files wu 3
pwn_game #integer-signedness	hxp 2018	42.00	files wu 3
House_Of_Card #house-of-orange	MeePwn 2018 Quals	24.59	files wu 3
soda_pop_bop #house-of-force #heap-overflow	rgbCTF 2020	19.74	files wu 3
rachell #house-of #tcache	TSG 2020	–	files wu 3
auir #heap-uaf #double-free #fastbin-attack #libc-leak #c++	CSAW 2017 Quals	24.61	files src wu 3
violence-fixer #heap-overflow #tcache	TSG 2020	–	files wu 3
shop #heap-overflow #got-overwrite #one-gadget	PlaidCTF 2018	90.83	files wu 3
super_marimo #heap-overflow #got-overwrite #one-gadget	Codegate 2018 Quals	25.00	files wu 3
Diary #heap-overflow #fastbin-attack #overlapping-chunks #malloc-hook	Balsn 2020	25.00	files wu 3
alien_invasion #heap-off-by-one #poison-null-byte #overlapping-chunks #got-overwrite	CSAW 2018 Quals	30.23	files wu 3
zone #heap-off-by-one #linked-list-overflow #got-overwrite	CSAW 2017 Quals	24.61	files src wu 3
pwn6 #heap-exploitation	TAMUctf 2019	–	files wu 3
dual #heap-corruption	HITCON 2020	–	files wu 3
error_program #heap #use-after-free (uaf)#tcache #libc-2.27	Defenit 2020	23.88	files wu 3
Online_Nonogram #heap #tcache #uninitialized	TokyoWesterns 2020	–	files wu 3
SecureKarte #heap #tcache	TokyoWesterns 2019	–	files wu 3
blink #hardcoded-secret #static-analysis	BSidesSF 2019	25.00	files wu 3
Bullseye #got-overwrite	HacktivityCon 2020	21.86	files wu 3
TomNookTheCapitalistRacoon #game-logic-abuse #buy-sell-dupe	DawgCTF 2020	23.29	files wu 3
Smash #format-string-leak #aslr-bypass #ret2libc	csictf 2020	23.67	files wu 3
dorsia4 #format-string #write-what-where #got-overwrite	WPICTF 2020	–	files wu 3
CookieMonster #format-string #time-seeded-canary-bypass #stack-buffer-overflow	DawgCTF 2020	23.29	files wu 3
babystack #format-string #stack-buffer-overflow	SECCON 2017 Quals	30.00	files wu 3
random_vault #format-string #srand-seed-overwrite #function-pointer-overwrite #shellcode	Pwn2Win 2019	43.00	files wu 3
I_want_that_toy #format-string #info-leak #rop #ret2libc	X-MAS 2018	–	files wu 3
dorsia3 #format-string #info-leak #return-address-overwrite	WPICTF 2020	–	files wu 3
zurk #format-string #got-overwrite #ret2libc	UTCTF 2020	–	files wu 3
pwn01 #format-string #got-overwrite #ret2libc	WhiteHat 2018 Quals	–	files wu 3