CTF challenges & writeups

97 challenges in family ⊕ pwn:format-string ✕ clear · browse all techniques

Challenge	CTF	Weight	Category	Has
Yet_Another_Login #format-string	m0leCon 2021 Quals	24.55	Pwn	files wu 1
full_protection #format-string #fortify-bypass #canary-leak #rop	ASIS 2020 Quals	64.97	Misc	files wu 3
CookieMonster #format-string #time-seeded-canary-bypass #stack-buffer-overflow	DawgCTF 2020	23.29	Misc	files wu 3
coronacation #format-string	DawgCTF 2020	23.29	Misc	files wu 1
my-first-echo-server #format-string	DownUnderCTF 2020	24.44	Misc	files wu 3
FireHTTPD #format-string	FireShell 2020	24.49	Misc	files wu 3
leet_haxor #format-string	NahamCon 2020	23.72	Misc	files wu 1
Reactor_GOT #format-string #got-overwrite #one-gadget	Shakti 2020	25.00	Misc	files wu 2
blindshot #format-string #blind	TokyoWesterns 2020	–	Misc	files wu 2
smash #format-string #ret2libc	TokyoWesterns 2020	–	Misc	files wu 2
zurk #format-string #got-overwrite #ret2libc	UTCTF 2020	–	Misc	files wu 3
Notepad #use-after-free (uaf)#tcache #format-string	VolgaCTF 2020 Quals	32.80	Misc	files wu 2
dorsia3 #format-string #info-leak #return-address-overwrite	WPICTF 2020	–	Misc	files wu 3
dorsia4 #format-string #write-what-where #got-overwrite	WPICTF 2020	–	Misc	files wu 3
Global_Warming #format-string #global-variable-overwrite	csictf 2020	23.67	Misc	files wu 3
Smash #format-string-leak #aslr-bypass #ret2libc	csictf 2020	23.67	Misc	files wu 3
still-printf #format-string	hxp 2020	94.00	Pwn	files wu 1
blacky_echo #format-string	m0leCon 2020 Quals	24.55	Misc	files wu 2
grimoire #format-string #info-leak #buffer-overflow #one-gadget	zer0pts 2020	24.56	Misc	files wu 1
PopGoesThePrinter #objective-c-reversing #oob-heap-leak #file-struct-overwrite #format-string	CSAW 2019 Quals	43.00	Misc	files wu 1
Unprintable #format-string #dl-fini-hijack #stack-leak	De1CTF 2019	24.28	Misc	files wu 1
casino #format-string	FireShell 2019	24.49	Misc	files wu 3
Byte #format-string	HSCTF 2019	–	Misc	files wu 2
Caesars_Revenge #format-string	HSCTF 2019	–	Misc	files wu 3
Armoury #format-string #canary-leak #ret2libc #pie-leak	Pragyan 2019	20.69	Misc	files wu 3
Simple #format-string #got-overwrite #one-gadget	Securinets 2019 Quals	22.72	Misc	files wu 2
babyecho #format-string #got-overwrite	UTCTF 2019	–	Misc	files wu 3
turtles #objective-c-reversing #got-overwrite #format-string	CSAW 2018 Quals	30.23	Misc	files wu 3
MobileBank #format-string #got-overwrite #dynelf-leak #ret2system	CTFZone 2018 Quals	23.92	Misc	files wu 3
tftp #format-string	HITCON 2018	–	Misc	files wu 1
pwn01 #format-string #got-overwrite #ret2libc	WhiteHat 2018 Quals	–	Misc	files wu 3
I_want_that_toy #format-string #info-leak #rop #ret2libc	X-MAS 2018	–	Misc	files wu 3
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
babystack #format-string #stack-buffer-overflow	SECCON 2017 Quals	30.00	Misc	files wu 3
secure_keymanager #double-free #fastbin-dup #format-string #got-overwrite	SECCON 2017 Quals	30.00	Misc	files wu 3
runway3 #format-string-leak #canary-bypass #ret2win	BuckeyeCTF 2024	50.91	Pwn	files wu 1
logbook #format-string #got-overwrite	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
ARMsinthe #format-string	Hackappatoi 2022	24.71	Pwn	files wu 1

Challenges