$ ctf42

Challenges

Category
Difficulty
CTFtime weight
–
Higher weight ≈ harder, more prestigious event.
Year
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Must have
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14 challenges · browse all techniques

Challenge CTF Weight Category Has
lil_wishes_db
#use-after-free (uaf)#tcache#one-gadget
 X-MAS 2020 – Misc files wu 2
ready_for_xmas
#buffer-overflow#ret2system#badchars-bypass
 X-MAS 2020 – Misc files wu 1
Greetings_from_Santa
#buffer-overflow#ret2win#system
 X-MAS 2018 – Misc files wu 1
I_want_that_toy
#format-string#info-leak#rop#ret2libc
 X-MAS 2018 – Misc files wu 3
Random_Present
#buffer-overflow#ret2plt#got-leak#ret2libc
 X-MAS 2018 – Misc files wu 3
The_Calculator
#format-string#arbitrary-write
 X-MAS 2018 – Misc files wu 1
The_Calculator_2.0
#format-string#arbitrary-write
 X-MAS 2018 – Misc files wu 1
doiknowyou X-MAS 2020 – Misc files
euphorbia_pulcherrima X-MAS 2020 – Misc files
galois_love_letters X-MAS 2020 – Misc files
mmap X-MAS 2020 – Misc files
naughty X-MAS 2020 – Misc files
santasdatabasegoskrrr X-MAS 2020 – Misc files
Pinkie_Gift X-MAS 2018 – Misc files