CTF challenges & writeups

3995 challenges · browse all techniques

Challenge	CTF	Weight	Category	Has
linda #elgamal-variant #smooth-p-1 #pohlig-hellman #discrete-log	Crypto 2021	36.00	Misc	files wu 1
maid #rabin-cryptosystem #modulus-recovery-gcd #decryption-oracle	Crypto 2021	36.00	Misc	files wu 1
tiny_ecc #anomalous-curve #smart-attack #smooth-order #pohlig-hellman	Crypto 2021	36.00	Misc	files wu 2
babyformat #format-string	TetCTF 2021	25.00	Misc	files wu 2
cache_v2 #refcount-overflow #use-after-free (uaf)	TetCTF 2021	25.00	Misc	files wu 1
nullptr #heap #mmap-threshold-overwrite #fsop #malloc-hook-overwrite	ALLES 2020	–	Misc	files wu 2
full_protection #format-string #fortify-bypass #canary-leak #rop	ASIS 2020 Quals	64.97	Misc	files wu 3
invisible #realloc-zero-size-free #double-free #fastbin	ASIS 2020 Quals	64.97	Misc	files wu 1
refcnt #use-after-free (uaf)#tcache-poisoning #fsop	ASIS 2020 Finals	64.97	Misc	files wu 1
yet_another_house #poison-null-byte #tcache-stash-unlink #tcache-poisoning #seccomp-bypass	ASIS 2020 Finals	64.97	Misc	files wu 1
chromatic_aberration #js-engine-exploitation #wasm-shellcode	CONFidence 2020 Quals	24.96	Misc	files wu 3
forgotten_module #kexec #kernel-boot	CONFidence 2020 Quals	24.96	Misc	files wu 1
kvm #vm-escape #kvm-hypervisor	CONFidence 2020 Finals	24.96	Misc	files wu 1
blox2 #stack-buffer-overflow #write-primitive #text-overwrite #shellcode	CSAW 2020 Quals	59.00	Misc	files wu 2
grid #oob-index-write #return-address-overwrite	CSAW 2020 Quals	59.00	Misc	files wu 3
roppity #ret2libc #rop #automatic-exploit-generation	CSAW 2020 Quals	59.00	Misc	files wu 3
slithery #python-sandbox-escape #blacklist-bypass #module-attribute-reset	CSAW 2020 Quals	59.00	Misc	files wu 3
butterfly #file-struct-exploit #fsop #libc-leak	DarkCTF 2020	23.71	Misc	files wu 1
newPaX #stack-buffer-overflow #ret2libc #got-leak	DarkCTF 2020	23.71	Misc	files wu 3
roprop #stack-buffer-overflow #gets #rop #ret2libc	DarkCTF 2020	23.71	Misc	files wu 3
CookieMonster #format-string #time-seeded-canary-bypass #stack-buffer-overflow	DawgCTF 2020	23.29	Misc	files wu 3
OnLockdown #stack-buffer-overflow #gets #variable-overwrite	DawgCTF 2020	23.29	Misc	files wu 3
TiKToK #heap #off-by-one-null #chunk-overlap #unsorted-bin-leak	DawgCTF 2020	23.29	Misc	files wu 2
TomNookTheCapitalistRacoon #game-logic-abuse #buy-sell-dupe	DawgCTF 2020	23.29	Misc	files wu 3
WhereWeRoppinBoys #stack-pivot #rop #ret2libc #got-leak	DawgCTF 2020	23.29	Misc	files wu 3
bof-to-the-top #stack-buffer-overflow #ret2win	DawgCTF 2020	23.29	Misc	files wu 3
coronacation #format-string	DawgCTF 2020	23.29	Misc	files wu 1
trASCII #ascii-shellcode #ret2shellcode #stack-buffer-overflow	DawgCTF 2020	23.29	Misc	files wu 1
broadcast_test #android #parcelable-mismatch #cve-2017-13288	De1CTF 2020	24.28	Misc	files wu 1
pppd #cve-2020-8597 #pppd #eap #stack-overflow	De1CTF 2020	24.28	Misc	files wu 2
stl_container #c++-stl #heap-exploitation #tcache #libc-2.27	De1CTF 2020	24.28	Misc	files wu 2
my-first-echo-server #format-string	DownUnderCTF 2020	24.44	Misc	files wu 3
return-to-what #ret2libc	DownUnderCTF 2020	24.44	Misc	files wu 3
return-to-whats-revenge #orw	DownUnderCTF 2020	24.44	Misc	files wu 3
shellthis #ret2win	DownUnderCTF 2020	24.44	Misc	files src wu 3
vecc #uninitialized-variable	DownUnderCTF 2020	24.44	Misc	files wu 1
zombie #use-after-free (uaf)	DownUnderCTF 2020	24.44	Misc	files wu 1
FireHTTPD #format-string	FireShell 2020	24.49	Misc	files wu 3
TemporaryFileSystemStorage #use-after-free (uaf)	FireShell 2020	24.49	Misc	files wu 1
TheReturnOfTheSideEffect #jit-exploit	FireShell 2020	24.49	Misc	files wu 2

Challenges