CTF challenges & writeups

3995 challenges · browse all techniques

Challenge	CTF	Weight	Category	Has
Patches #ret2libc #got-leak	BSidesBOS 2020	25.00	Misc	files wu 1
SeaShells #stack-overflow #ret2shellcode	BSidesBOS 2020	25.00	Misc	files wu 2
RIPC4 #type-confusion #rwx-shellcode	BSidesSF 2020	25.00	Misc	files wu 1
Diary #heap-overflow #fastbin-attack #overlapping-chunks #malloc-hook	Balsn 2020	25.00	Misc	files wu 3
Jimi_Jam #stack-overflow #ret2libc #rop	Block 2020	35.14	Misc	files wu 3
Jimi_Jamming #rop #execve-syscall	Block 2020	35.14	Misc	files wu 2
ByteCafe #stack-overflow #variable-overwrite #gets	ByteCTF 2020	–	Misc	files wu 1
binary-exploitation-is-ez #stack-overflow #ret2win	COMPFEST 2020	–	Misc	files wu 1
gambling-problem-2 #integer-overflow	COMPFEST 2020	–	Misc	files wu 1
notes #heap-overflow #calloc-mmap-bit-leak #libc-leak #free-hook-overwrite #glibc-2.31	CSCML 2020	–	Misc	files wu 1
baby-pwn #stack-buffer-overflow #shellcode #no-aslr	CyberSecurityRumble 2020	28.00	Misc	files wu 1
bflol #brainfuck-interpreter #oob-tape #memory-corruption	CyberSecurityRumble 2020	28.00	Misc	files wu 2
how-to-heap #heap #tcache-dup #malloc-hook-overwrite #safe-linking #libc-2.32	CyberSecurityRumble 2020	28.00	Misc	files wu 2
unhackable #qemu #physical-memory-dump #memory-forensics	CyberSecurityRumble 2020	28.00	Misc	files wu 1
FormatS #format-string #stack-memory-disclosure	CyberYoddha 2020	19.71	Misc	files wu 2
rrop	DarkCTF 2020	23.71	Misc	files wu 2
error_program #heap #use-after-free (uaf)#tcache #libc-2.27	Defenit 2020	23.88	Misc	files wu 3
warmup #format-string #snprintf	Defenit 2020	23.88	Misc	files wu 2
Blacklist #seccomp	FwordCTF 2020	24.42	Misc	files wu 3
EzRet2Win #ret2win	FwordCTF 2020	24.42	Misc	files wu 1
Numbers #integer-signedness	FwordCTF 2020	24.42	Misc	files wu 2
OnePieceRemake #format-string	FwordCTF 2020	24.42	Misc	files wu 2
WelcomePwner #ret2libc	FwordCTF 2020	24.42	Misc	files wu 2
card #tcache-poisoning	GACTF 2020	–	Misc	files wu 1
vmpwn #vm-pwn	GACTF 2020	–	Misc	files wu 1
got_it	HSCTF 2020	–	Misc	files wu 2
shattered	HSCTF 2020	–	Misc	files wu 1
treecache_2	HSCTF 2020	–	Misc	files wu 2
pwnhub_collection	Hack.lu 2020	87.94	Misc	files wu 1
through-the-backdoor	Hack.lu 2020	87.94	Misc	files wu 1
bookworm #use-after-free (uaf)	HackPack 2020	–	Misc	files wu 2
climb #ret2libc	HackPack 2020	–	Misc	files wu 3
riskv_business #riscv	HackPack 2020	–	Misc	files wu 1
toddler_cache #tcache-poisoning	HackPack 2020	–	Misc	files wu 1
Pinocchio	HacktivityCon 2020	21.86	Misc	files wu 1
admin #ret2syscall	IJCTF 2020	–	Misc	files wu 3
babyheap #off-by-null	IJCTF 2020	–	Misc	files wu 2
built_in_http #sqlite-fts3-tokenizer	IJCTF 2020	–	Misc	files wu 2
input_checker #loop-counter-overwrite	IJCTF 2020	–	Misc	files wu 2
Party_Planner #negative-index	InCTF 2020	53.95	Misc	files wu 3

Challenges