CTF challenges & writeups

3922 challenges · browse all techniques

Challenge	CTF	Weight	Category	Has
hookless #house-of-botcake	MetaCTF 2021	–	Pwn	files wu 1
tic_tac_toe #stack-buffer-overflow	MetaCTF 2021	–	Pwn	files wu 1
unionized #union-type-confusion	MetaCTF 2021	–	Pwn	files wu 2
EmptyRead #off-by-one-null-byte	NahamCon 2021	24.98	Pwn	files wu 1
Meddle #tcache-dup	NahamCon 2021	24.98	Pwn	files wu 2
Ret2basic #ret2win	NahamCon 2021	24.98	Pwn	files wu 3
Smol #ret2dlresolve	NahamCon 2021	24.98	Pwn	files wu 2
SomeReallyOrdinaryProgram #srop	NahamCon 2021	24.98	Pwn	files wu 3
TheList #ret2win	NahamCon 2021	24.98	Pwn	files wu 3
Liars_and_Cheats #oob-read #srand-seed-leak #environ-leak #stack-buffer-overflow	PlaidCTF 2021	99.64	Pwn	files wu 1
Plaidflix #use-after-free (uaf)#double-free #safe-linking #tcache-poisoning	PlaidCTF 2021	99.64	Pwn	files wu 1
Secure_OCaml_Sandbox #ocaml-sandbox-escape #callback-register #type-confusion	PlaidCTF 2021	99.64	Pwn	files wu 2
The_Cobol_Job #use-after-free (uaf)#libcob #free-hook #proc-self-maps	PlaidCTF 2021	99.64	Pwn	files wu 1
Pokemon #tcache-stashing-unlink #heap-overflow #null-byte-bypass	RCTF 2021	–	Pwn	files wu 1
catch_the_frog #integer-overflow #heap-overflow	RCTF 2021	–	Pwn	files wu 1
ezheap #alignment-overflow #negative-index #out-of-bounds (oob)	RCTF 2021	–	Pwn	files wu 1
game #custom-vm #out-of-bounds (oob)	RCTF 2021	–	Pwn	files wu 1
musl #musl-heap #meta-corruption #orw #seccomp	RCTF 2021	–	Pwn	files wu 2
sharing #shared-ptr #refcount-underflow #use-after-free (uaf)	RCTF 2021	–	Pwn	files wu 1
unistruct #stdvariant #iterator-invalidation #use-after-free (uaf)	RCTF 2021	–	Pwn	files wu 1
warmnote #musl-heap #null-byte-overflow #meta-corruption #stack-pivot	RCTF 2021	–	Pwn	files wu 2
Heap_Heap #unsorted-bin-leak #tcache-poisoning #malloc-hook #one-gadget	S4CTF 2021	24.52	Pwn	files wu 1
OhBabyBaby #stack-buffer-overflow #ret2win #leaked-address	S4CTF 2021	24.52	Pwn	files wu 2
missme #ret2libc #rop	S4CTF 2021	24.52	Pwn	files wu 1
gosu_bof #rop #ret2csu #stack-pivot	SECCON 2021	–	Pwn	files wu 1
kasu_bof #ret2dlresolve	SECCON 2021	–	Pwn	files wu 1
seccon_tree #python-sandbox-escape #c-extension	SECCON 2021	–	Pwn	files wu 1
death_note #heap-overflow #fd-overwrite #libc-leak	Securinets 2021 Quals	41.71	Pwn	files wu 1
kill_shot #format-string #arbitrary-write #seccomp #rop #orw	Securinets 2021 Quals	41.71	Pwn	files wu 3
membership_management #use-after-free (uaf)#tcache-poisoning #overlapping-chunks	Securinets 2021 Quals	41.71	Pwn	files wu 1
success #info-leak #stack-overflow #fsop	Securinets 2021 Quals	41.71	Pwn	files wu 2
Cache_7 #use-after-free (uaf)#tcache-poisoning	Shakti 2021	25.00	Pwn	files wu 2
Calculator #arp-spoofing #meet-in-the-middle (mitm)	TAMUctf 2021	–	Pwn	files wu 3
Handshake #ret2win #stack-buffer-overflow	TAMUctf 2021	–	Pwn	files wu 1
Helpful_Debugger #gdb-autoload-exploit	TAMUctf 2021	–	Pwn	files wu 1
NX_Oopsie #shellcode #executable-stack	TAMUctf 2021	–	Pwn	files wu 1
Shellcode_Golf #shellcode #shellcode-golf	TAMUctf 2021	–	Pwn	files wu 1
TicTacToe #logic-flaw	TAMUctf 2021	–	Pwn	files wu 2
SANTA #ret2win #stack-buffer-overflow	TFC 2021	–	Pwn	files wu 1
SECRET #stack-buffer-overflow	TFC 2021	–	Pwn	files wu 1

Challenges