Pwn CTF challenges

3,922 Pwn CTF challenges from 381 CTFs (2011–2026), 669 with writeups.

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Challenges

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Challenge	CTF	Weight	Has
zero_to_hero #poison-null-byte #tcache-poisoning #double-free	picoCTF 2019	–	files wu 3
BABA_PWN_GAME #out-of-bounds (oob)#game-logic	TSG 2023	–	files wu 3
converter2 #off-by-one #oob-write	TSG 2023	–	files wu 3
Log_4_sanity_check #log4shell	hxp 2021	99.41	files wu 3
BCA_Mart #integer-overflow #signed-arithmetic	BCACTF 2021	–	files wu 3
strvec #integer-overflow #out-of-bounds-write #tcache-poisoning	ASIS 2021 Quals	89.22	files wu 3
CShell #heap-overflow	corCTF 2021	24.92	files wu 3
Little-Alchemy #heap-overflow	m0leCon 2021 Quals	24.55	files wu 3
cache #heap #use-after-free (uaf)#tcache #heap-leak	Defcamp 2022	–	files wu 3
baby-rop #heap #use-after-free (uaf)#glibc-2.34 #stack-pivot #seccomp #orw	DiceCTF 2022	24.82	files wu 3
flippidy #heap #double-free #tcache #glibc-2.27	DiceCTF 2021	24.82	files wu 3
rut-roh-relro #format-string-stack-rop	LA 2023	–	files wu 3
Readme #format-string #stack-leak	DCTF 2021	–	files wu 3
cookie-monster #format-string #canary-leak #stack-buffer-overflow #rop	DamCTF 2021	24.43	files wu 3
kill_shot #format-string #arbitrary-write #seccomp #rop #orw	Securinets 2021 Quals	41.71	files wu 3
4mats #format-string	SEETF 2022	–	files wu 3
Leaking_like_a_sieve #format-string	DownUnderCTF 2021	–	files wu 3
Detour #fini-array-overwrite	NahamCon 2022	24.61	files wu 3
mjs #ffi-pointer-abuse	KalmarCTF 2023	24.21	files wu 3
Grains_of_Sand #fee-on-transfer #erc20 #smart-contract	Paradigm 2023	25.00	files wu 3
Hopping_into_Place #cross-chain-bridge #transfer-root-spoofing #smart-contract	Paradigm 2023	25.00	files wu 3
webserver #command-injection	UMassCTF 2021	23.56	files wu 3
not_beginners_stack #buffer-overflow #stack-pivot #shellcode	zer0pts 2021	24.56	files wu 3
converter #buffer-overflow	TSG 2023	–	files wu 3
babypywn #buffer-overflow	DownUnderCTF 2022	–	files src wu 3
stonks #buffer-overflow	HSCTF 2021	–	files wu 3
Calculator #arp-spoofing #meet-in-the-middle (mitm)	TAMUctf 2021	–	files wu 3
Archer #arbitrary-null-write #bypass-check	RaRCTF 2021	24.53	files wu 3
Password_Ate_Quiz	TSG 2024	–	files wu 3
piercing_misty_mountain	TSG 2024	–	files wu 3
vuln_img	TSG 2024	–	files wu 3
100	Paradigm 2023	25.00	files wu 3
100percent	Paradigm 2023	25.00	files wu 3
Black_Sheep	Paradigm 2023	25.00	files wu 3
Chainmail	UIUCTF 2023	–	files src wu 3
DODONT	Paradigm 2023	25.00	files wu 3
Dai++	Paradigm 2023	25.00	files wu 3
Enterprise_Blockchain	Paradigm 2023	25.00	files wu 3
Skill_Based_Game	Paradigm 2023	25.00	files wu 3
Suspicious_Charity	Paradigm 2023	25.00	files wu 3