$ ctf42

Challenges

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

Challenge CTF Weight Category Has
Pokemon
#tcache-stashing-unlink#heap-overflow#null-byte-bypass
 RCTF 2021 – Pwn files wu 1
catch_the_frog
#integer-overflow#heap-overflow
 RCTF 2021 – Pwn files wu 1
ezheap
#alignment-overflow#negative-index#out-of-bounds (oob)
 RCTF 2021 – Pwn files wu 1
game
#custom-vm#out-of-bounds (oob)
 RCTF 2021 – Pwn files wu 1
musl
#musl-heap#meta-corruption#orw#seccomp
 RCTF 2021 – Pwn files wu 2
sharing
#shared-ptr#refcount-underflow#use-after-free (uaf)
 RCTF 2021 – Pwn files wu 1
unistruct
#stdvariant#iterator-invalidation#use-after-free (uaf)
 RCTF 2021 – Pwn files wu 1
warmnote
#musl-heap#null-byte-overflow#meta-corruption#stack-pivot
 RCTF 2021 – Pwn files wu 2
bbox RCTF 2025 – Pwn files
mstr RCTF 2025 – Pwn files
no_check_WASM RCTF 2025 – Pwn files
only RCTF 2025 – Pwn files
only_rev RCTF 2025 – Pwn files
rd RCTF 2025 – Pwn files
MyCarsShowSpeed RCTF 2022 – Pwn files
_money RCTF 2022 – Pwn files
befunge93 RCTF 2022 – Pwn files
bfc RCTF 2022 – Pwn files
diary RCTF 2022 – Pwn files
ez_atm RCTF 2022 – Pwn files
picStore RCTF 2022 – Pwn files
ppuery RCTF 2022 – Pwn files
rserver RCTF 2022 – Pwn files