CTF challenges & writeups

3922 challenges · browse all techniques

Challenge	CTF	Weight	Category	Has
Security_Code #format-string	TMUCTF 2021	–	Pwn	files wu 1
coffee #format-string #got-overwrite #stack-pivot	TSG 2021	–	Pwn	files wu 2
lkgit #kernel-race-condition #userfaultfd	TSG 2021	–	Pwn	files wu 2
Stress_Rope #srop	Tamil 2021	14.13	Pwn	files wu 1
University_Pwn #use-after-free (uaf)#tcache-poisoning	Tamil 2021	14.13	Pwn	files wu 1
Jump_Is_Easy #ret2dlresolve #bof #x86-64	UMDCTF 2021	–	Pwn	files wu 1
Jump_Is_Found #format-string #got-overwrite #heap	UMDCTF 2021	–	Pwn	files wu 1
Jump_Not_Easy #bof #ret2win	UMDCTF 2021	–	Pwn	files wu 2
Jump_Not_Working #ret2dlresolve #bof	UMDCTF 2021	–	Pwn	files wu 1
furor-RPI #arm #bof #shellcode	UMDCTF 2021	–	Pwn	files wu 1
suckless2 #arbitrary-write #pointer-overwrite	UMassCTF 2021	23.56	Pwn	files wu 1
webserver #command-injection	UMassCTF 2021	23.56	Pwn	files wu 3
2Smol #srop #stack-pivot	UTCTF 2021	–	Pwn	files wu 2
Monke #use-after-free (uaf)#tcache	UTCTF 2021	–	Pwn	files wu 1
Resolve #ret2dlresolve	UTCTF 2021	–	Pwn	files wu 1
strong-arm #buffer-overflow #aarch64 #rop #ret2libc	WPICTF 2021	–	Pwn	files wu 2
Elftek_Secure_Execution_Engine #shellcode #orw #sandbox	X-MAS 2021	–	Pwn	files wu 1
CShell #heap-overflow	corCTF 2021	24.92	Pwn	files wu 3
Chainblock #stack-overflow #rop #gets	corCTF 2021	24.92	Pwn	files wu 3
Helpless #house-of-rust #tcache-poisoning	corCTF 2021	24.92	Pwn	files wu 1
Outfoxed #spidermonkey-exploitation #browser-pwn	corCTF 2021	24.92	Pwn	files wu 3
Rusty #house-of-rust #null-byte-poisoning	corCTF 2021	24.92	Pwn	files wu 1
Wall_of_Perdition #kernel-exploit #msg-msg #cred-overwrite	corCTF 2021	24.92	Pwn	files wu 1
fire_of_salvation #kernel-uaf #msg-msg #cred-overwrite	corCTF 2021	24.92	Pwn	files wu 1
ret2cds #seccomp-bypass #process-vm-writev #shellcode-injection	corCTF 2021	24.92	Pwn	files wu 2
NO-OUTPUT #ret2dlresolve #tcache-poisoning #blind-pwn	darkCON 2021	24.06	Pwn	files wu 1
Warmup #heap #tcache #libc-2.27	darkCON 2021	24.06	Pwn	files wu 1
Log_4_sanity_check #log4shell	hxp 2021	99.41	Pwn	files wu 3
audited2 #audit-hook-bypass	hxp 2021	99.41	Pwn	files wu 1
baba_is_you #gameboy	hxp 2021	99.41	Pwn	files wu 1
sandboxgrind #valgrind-escape	hxp 2021	99.41	Pwn	files wu 1
trusty_user_diary #page-cache	hxp 2021	99.41	Pwn	files wu 1
zehn #partial-overwrite	hxp 2021	99.41	Pwn	files wu 2
CoffeeShop #use-after-free (uaf)	idekCTF 2021	24.56	Pwn	files wu 1
Guardians_Of_The_Galaxy #chroot-escape	idekCTF 2021	24.56	Pwn	files wu 1
stacknotes #house-of-spirit	idekCTF 2021	24.56	Pwn	files wu 1
vanity_check_i #format-string	idekCTF 2021	24.56	Pwn	files wu 1
Another_Login #srand-seed-prediction	m0leCon 2021 Quals	24.55	Pwn	files wu 1
Donut_Factory #heap-fake-chunk	m0leCon 2021 Quals	24.55	Pwn	files wu 1
Little-Alchemy #heap-overflow	m0leCon 2021 Quals	24.55	Pwn	files wu 3

Challenges