CTF challenges & writeups

3922 challenges · browse all techniques

Challenge	CTF	Weight	Category	Has
Puncher #afl-fuzzing	m0leCon 2021 Quals	24.55	Pwn	files wu 1
Yet_Another_Login #format-string	m0leCon 2021 Quals	24.55	Pwn	files wu 1
CBC-Jail #cbc-iv-bit-flip	niteCTF 2021	–	Pwn	files wu 2
nasm_kit #sandbox-escape #shellcode #map-fixed #aslr-bypass	zer0pts 2021	24.56	Pwn	files wu 3
not_beginners_stack #buffer-overflow #stack-pivot #shellcode	zer0pts 2021	24.56	Pwn	files wu 3
oneshot #oob-write #got-overwrite #integer-overflow	zer0pts 2021	24.56	Pwn	files wu 2
safe_vector #out-of-bounds (oob)#negative-index #tcache-poisoning #cpp	zer0pts 2021	24.56	Pwn	files wu 1
stopwatch #alloca #stack-manipulation #canary-leak #ret2libc	zer0pts 2021	24.56	Pwn	files wu 2
back_to_the_future #netscape #sscanf-stack-overflow #browser-exploitation	PlaidCTF 2020	93.15	Pwn	files wu 1
emojidb #glibc-bug #fputws-closed-stderr #oob-write	PlaidCTF 2020	93.15	Pwn	files wu 1
sandybox #ptrace-sandbox-escape #shellcode	PlaidCTF 2020	93.15	Pwn	files wu 3
audited #audit-hook-bypass	hxp 2020	94.00	Pwn	files wu 2
kernel-rop #fg-kaslr-bypass	hxp 2020	94.00	Pwn	files wu 1
nemoji #shellcode	hxp 2020	94.00	Pwn	files wu 2
pfoten #swap-tampering	hxp 2020	94.00	Pwn	files wu 1
still-printf #format-string	hxp 2020	94.00	Pwn	files wu 1
wisdom2 #iopl	hxp 2020	94.00	Pwn	files wu 1
messy-malloc #uninitialized-heap-memory #heap-reuse	picoCTF 2019	–	Pwn	files wu 1
seed-sPRiNG #srand-time-seed #prng-prediction	picoCTF 2019	–	Pwn	files wu 1
zero_to_hero #poison-null-byte #tcache-poisoning #double-free	picoCTF 2019	–	Pwn	files wu 3
refraction	LA 2026	–	Pwn	files wu 1
Snaking_Revenge #pyjnius #type-confusion #jni	SAS 2026 Quals	31.00	Pwn	files wu 1
ppp	SekaiCTF 2026	79.25	Pwn	files wu 1
Firefly_Complete_Combustion	UIUCTF 2026	–	Pwn	files wu 1
Sparxie_Vanishing_Encore	UIUCTF 2026	–	Pwn	files wu 1
bookmaker	UMDCTF 2026	–	Pwn	files wu 1
The_Butterfly_effect #v8-off-by-one	Infobahn 2025	–	Pwn	files wu 1
Checksumz	IrisCTF 2025	34.30	Pwn	files wu 1
Trust_Issues #op-tee #trustlet #brainfuck-interpreter #oob-read	SAS 2025 Quals	20.72	Pwn	files wu 1
Sukunahikona	Securinets CTF 2025 Quals	–	Pwn	files wu 1
V-tables	Securinets CTF 2025 Quals	–	Pwn	files wu 1
push pull pops	Securinets CTF 2025 Quals	–	Pwn	files wu 1
push pull pops REVENGE	Securinets CTF 2025 Quals	–	Pwn	files wu 1
spell manager	Securinets CTF 2025 Quals	–	Pwn	files wu 1
zip++	Securinets CTF 2025 Quals	–	Pwn	files wu 1
Refreshments #off-by-one #fastbin-attack #unsorted-bin	StackSmash 2025	24.00	Pwn	files wu 1
Debug_2	TAMUctf 2025	–	Pwn	files wu 1
solve_all.py	m0leCon 2025 Quals	75.00	Pwn	files wu 1
limit #off-by-one #tcache-poisoning #overlapping-chunks	smileyCTF 2025	48.61	Pwn	files wu 1
Inaccessible	BCACTF 2024	–	Pwn	files wu 1

Challenges