CTF challenges & writeups

27 challenges in family ⊕ pwn:integer ✕ clear · browse all techniques

Challenge	CTF	Weight	Category	Has
Ez_Pwn #signed-integer-overflow	LYKNCTF 2026	–	Pwn	files wu 1
baby_talk #heap #off-by-null #house-of-einherjar #tcache-poisoning #free-hook	DiceCTF 2024 Quals	54.40	Pwn	files wu 1
MathTest #integer-overflow	JerseyCTF 2024	21.26	Pwn	files wu 1
Over_The_Edge #integer-underflow #uint64-wraparound	1337UP 2023	24.23	Pwn	files wu 1
Sharers_World #signed-exchange	HITCON 2023 Quals	99.75	Web	files wu 1
doubler #integer-overflow	HSCTF 2023	–	Pwn	files wu 1
favorite-color #integer-overflow	TJCTF 2022	–	Pwn	files wu 1
CoRJail #off-by-null #kernel-uaf #container-escape	corCTF 2022	24.92	Pwn	files wu 1
accountant #integer-overflow #alloca #stack-overflow #oob-write	zer0pts 2022	35.97	Pwn	files wu 1
memsafed #integer-underflow #arbitrary-write #stack-pivot #pie-leak	zer0pts 2022	35.97	Pwn	files wu 1
strvec #integer-overflow #out-of-bounds-write #tcache-poisoning	ASIS 2021 Quals	89.22	Pwn	files wu 3
BCA_Mart #integer-overflow #signed-arithmetic	BCACTF 2021	–	Pwn	files wu 3
catch_the_frog #integer-overflow #heap-overflow	RCTF 2021	–	Pwn	files wu 1
sharing #shared-ptr #refcount-underflow #use-after-free (uaf)	RCTF 2021	–	Pwn	files wu 1
oneshot #oob-write #got-overwrite #integer-overflow	zer0pts 2021	24.56	Pwn	files wu 2
OOMG_SPACE2 #off-by-null #info-leak	SunshineCTF 2020	23.34	Misc	files wu 1
Forky #fork #integer-overflow	picoCTF 2019	–	Reverse	files wu 1
Club_Mate #integer-overflow #logic-bug	watevrCTF 2019	24.92	Misc	files wu 1
heap_hell #integer-underflow	Hack.lu 2018	72.75	Misc	files wu 2
pwn_game #integer-signedness	hxp 2018	42.00	Misc	files wu 3
e #integer-overflow #floating-point	BraekerCTF 2024	24.72	Misc	files wu 1
positive #integer-overflow #signed-integer-overflow	CrewCTF 2023	20.33	Blockchain	files wu 3
gambling-problem-2 #integer-overflow	COMPFEST 2020	–	Misc	files wu 1
Numbers #integer-signedness	FwordCTF 2020	24.42	Misc	files wu 2
babyheap #off-by-null	IJCTF 2020	–	Misc	files wu 2
MightyDragon #integer-overflow #counting-sort-buffer-overflow #shellcode	0CTF 2018 Quals	–	Pwn	files wu 1
faststorage #integer-overflow	Dragon 2018 Quals	25.00	Misc	files wu 2

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