CTF challenges & writeups

252 challenges in family ⊕ pwn:stack ✕ clear · browse all techniques

Challenge	CTF	Weight	Category	Has
LattiaVM #vm-stack-pointer-corruption	L3akCTF 2026	34.47	Pwn	files wu 1
LattiaVM_2 #vm-stack-pointer-corruption	L3akCTF 2026	34.47	Pwn	files wu 1
Piet_2 #saved-rbp-pivot	L3akCTF 2026	34.47	Pwn	files wu 1
Rudimentary_Calculator #null-byte-stack-leak	L3akCTF 2026	34.47	Pwn	files wu 1
doMonkeysSwim #static-rop #stack-buffer-overflow #stack-pivot #syscall	RITSEC 2026	–	Pwn	files wu 1
slop_allocator #custom-allocator #heap	TRX 2026	–	Pwn	files wu 1
Entropyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy #bcrypt-72-byte-input-truncation	1753CTF 2025	34.82	Web	files wu 1
oboe #kernel #heap-overflow #off-by-one #use-after-free (uaf)#rop #commit-creds #kpti-bypass	DiceCTF 2025 Quals	81.00	Pwn	files wu 1
Beginner_Pwn_1 #stack-buffer-overflow	SwampCTF 2025	40.40	Pwn	files wu 1
BabyFlow #stack-buffer-overflow #variable-overwrite	1337UP 2024	–	Misc	files wu 2
Retro2Win #stack-buffer-overflow #ret2win	1337UP 2024	–	Pwn	files wu 1
Rigged_Slot_Machine_1 #buffer-overflow #stack-variable-overwrite	1337UP 2024	–	Misc	files wu 1
Rigged_Slot_Machine_2 #stack-buffer-overflow #stack-variable-overwrite	1337UP 2024	–	Pwn	files wu 1
Purify #wasm-buffer-overflow	Mapna 2024	24.59	Web	files wu 1
Lost_Canary #stack-buffer-overflow #canary-bypass	UIUCTF 2024	–	Reverse	files wu 1
basic_overflow #bof #ret2win	UofTCTF 2024	23.90	Pwn	files wu 2
patched_shell #bof #ret2win	UofTCTF 2024	23.90	Pwn	files wu 1
popcorn #heap #use-after-free (uaf)#function-pointer-overwrite #ret2win	DeadSec 2023	23.96	Pwn	files wu 1
Easy_Peasy #stack-buffer-overflow #ret2win	DeconstruCT.F 2023	11.23	Pwn	files wu 1
baby_bof #stack-buffer-overflow #gets #ret2win	Defcamp 2023 Quals	–	Pwn	files wu 1
bistro #stack-buffer-overflow #gets #rop	Defcamp 2023 Quals	–	Pwn	files wu 1
bistro_v2 #stack-buffer-overflow #gets #rop	Defcamp 2023 Quals	–	Pwn	files wu 1
system_write #format-string #buffer-overflow #got-overwrite	Defcamp 2023 Quals	–	Pwn	files wu 1
bop #stack-buffer-overflow #gets #seccomp #orw #rop	DiceCTF 2023	36.70	Pwn	files wu 3
dicer-visor #vm-escape #hypervisor #shellcode-injection #off-by-one #seccomp #orw	DiceCTF 2023	36.70	Pwn	files wu 1
finals-simulator #reverse-input-validation	LA 2023	–	Reverse	files wu 2
gatekeep #stack-variable-overwrite	LA 2023	–	Pwn	files wu 2
guessinggame #stack-buffer-overflow #variable-overwrite #gets	PatriotCTF 2023	24.52	Pwn	files src wu 1
selfcet #buffer-overflow #cet-bypass #srop	SECCON 2023 Quals	100.00	Pwn	files wu 1
converter #buffer-overflow	TSG 2023	–	Pwn	files wu 3
converter2 #off-by-one #oob-write	TSG 2023	–	Pwn	files wu 3
BingChilling #rop #loongarch64 #bof	UTCTF 2023	–	Pwn	files wu 1
HomeworkHelp #reversing #buffer-overflow #xor	WolvCTF 2023	24.33	Reverse	files wu 2
echo2 #partial-overwrite #ret2libc	WolvCTF 2023	24.33	Pwn	files wu 2
aush #buffer-overflow #stack-reorder #memcmp-bypass	zer0pts 2023	52.62	Pwn	files wu 1
Cake #off-by-one #rbp-lsb-overwrite #stack-pivot #shellcode	1337UP 2022	22.49	Pwn	files wu 1
EasyRegister #stack-buffer-overflow #shellcode-injection #leaked-buffer-address	1337UP 2022	22.49	Pwn	files wu 2
SearchEngine #format-string #stack-leak	1337UP 2022	22.49	Pwn	files wu 1
str_vs_cstr #buffer-overflow #cpp-object-corruption #function-pointer-overwrite	CakeCTF 2022	–	Pwn	files wu 1
blindsight #blind-rop #brop #stack-buffer-overflow	Defcamp 2022	–	Pwn	files wu 2

Challenges