CTF challenges & writeups

112 challenges in family ⊕ pwn:memory-primitive ✕ clear · browse all techniques

Challenge	CTF	Weight	Category	Has
write_what_where #write-what-where	DownUnderCTF 2021	–	Pwn	files wu 3
String_Editor_1 #oob-index-write	ImaginaryCTF 2021	–	Pwn	files wu 1
String_Editor_2 #negative-array-index	ImaginaryCTF 2021	–	Pwn	files wu 1
Liars_and_Cheats #oob-read #srand-seed-leak #environ-leak #stack-buffer-overflow	PlaidCTF 2021	99.64	Pwn	files wu 1
HackChain #solidity #delegatecall #function-pointer-jump	RCTF 2021	–	Crypto	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
two_shortest #oob-index #free-pascal #got-overwrite	RCTF 2021	–	Reverse	files wu 1
kill_shot #format-string #arbitrary-write #seccomp #rop #orw	Securinets 2021 Quals	41.71	Pwn	files wu 3
suckless2 #arbitrary-write #pointer-overwrite	UMassCTF 2021	23.56	Pwn	files wu 1
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
grid #oob-index-write #return-address-overwrite	CSAW 2020 Quals	59.00	Misc	files wu 3
OnLockdown #stack-buffer-overflow #gets #variable-overwrite	DawgCTF 2020	23.29	Misc	files wu 3
vecc #uninitialized-variable	DownUnderCTF 2020	24.44	Misc	files wu 1
emojidb #glibc-bug #fputws-closed-stderr #oob-write	PlaidCTF 2020	93.15	Pwn	files wu 1
bf #off-by-one #cpp-string #arbitrary-read-write	RCTF 2020	–	Misc	files wu 1
note #negative-index #tcache-poisoning #malloc-hook #one-gadget	RCTF 2020	–	Misc	files wu 2
vm #custom-vm #missing-bounds-check #arbitrary-read-write	RCTF 2020	–	Misc	files wu 1
Lil_Chompy #use-after-free (uaf)#heap #arbitrary-read	SunshineCTF 2020	23.34	Misc	files wu 2
detective #arbitrary-write #oracle	TSG 2020	–	Misc	files wu 3
Online_Nonogram #heap #tcache #uninitialized	TokyoWesterns 2020	–	Misc	files wu 3
dorsia4 #format-string #write-what-where #got-overwrite	WPICTF 2020	–	Misc	files wu 3
Metacortex #buffer-overflow #variable-overwrite #alloca	b01lers 2020	22.46	Misc	files wu 2
Global_Warming #format-string #global-variable-overwrite	csictf 2020	23.67	Misc	files wu 3
pwn-intended-0x1 #stack-buffer-overflow #gets #local-variable-overwrite	csictf 2020	23.67	Misc	files wu 3
pwn-intended-0x2 #stack-buffer-overflow #gets #local-variable-overwrite #magic-value	csictf 2020	23.67	Misc	files wu 3
diylist #type-confusion #arbitrary-read #use-after-free (uaf)	zer0pts 2020	24.56	Misc	files wu 3
meowmow #kernel-exploitation #out-of-bounds (oob)#heap-overflow	zer0pts 2020	24.56	Misc	files wu 1
BabyRust #rust #cve-2019-12083 #arbitrary-read-write #tcache-double-free #one-gadget	De1CTF 2019	24.28	Misc	files wu 2
PoEI-Luna #oob-write	HITCON 2019 Quals	92.94	Misc	files wu 2
trick_or_treat #arbitrary-write	HITCON 2019 Quals	92.94	Misc	files wu 2
SPlaid_Birch #oob-index #splay-tree #heap	PlaidCTF 2019	95.72	Misc	files wu 3
jit-calc #jit-compiler #wx-memory #arbitrary-write #shellcode	RITSEC 2019	–	Misc	files wu 1
messy-malloc #uninitialized-heap-memory #heap-reuse	picoCTF 2019	–	Pwn	files wu 1
M-x_5x5 #out-of-bounds (oob)#stack-overflow #ret2win	watevrCTF 2019	24.92	Misc	files wu 1
asvdb #uninitialized-variable #use-after-free (uaf)#double-free #tcache-poisoning #free-hook-one-gadget	ASIS 2018 Finals	55.00	Misc	files wu 3
BuggyPWN #custom-vm-reversing #2d-memory-oob #stack-overflow #printable-shellcode	CTFZone 2018 Quals	23.92	Misc	files wu 2
dead_note_lv1 #oob-index	ISITDTU 2018 Quals	23.38	Misc	files wu 3
rnote3 #uninitialized-stack #overlapping-chunks #free-hook	RCTF 2018	–	Misc	files wu 3

Challenges