$ ctf42

#out-of-bounds (oob) CTF challenges

Also written as oob.

9 CTF challenges using out-of-bounds (oob) from 6 CTFs (2019–2024), 9 with writeups. Mostly Pwn (78%) and Misc (22%).

Pwn · 7 Misc · 2

Often combined with

#negative-index 3 #kernel-exploitation 2 #alignment-overflow 1 #custom-vm 1 #arbitrary-read-write 1 #game-logic 1 #struct-confusion 1 #stack-overflow 1 #ret2win 1 #heap-overflow 1 #cpp 1 #tcache-poisoning 1

Challenges

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Challenge CTF Weight Category Has
BABA_PWN_GAME
#out-of-bounds (oob)#game-logic
 TSG 2023 – Pwn files wu 3
SquirrelFeeding
#struct-confusion#out-of-bounds (oob)
 WolvCTF 2023 24.33 Pwn files wu 1
M-x_5x5
#out-of-bounds (oob)#stack-overflow#ret2win
 watevrCTF 2019 24.92 Misc files wu 1
safe_vector
#out-of-bounds (oob)#negative-index#tcache-poisoning#cpp
 zer0pts 2021 24.56 Pwn files wu 1
Adventure_On_the_High_C
#out-of-bounds (oob)#arbitrary-read-write
 SunshineCTF 2024 38.57 Pwn files wu 1
meowmow
#kernel-exploitation#out-of-bounds (oob)#heap-overflow
 zer0pts 2020 24.56 Misc files wu 1
krce
#kernel-exploitation#negative-index#out-of-bounds (oob)
 zer0pts 2022 35.97 Pwn files wu 1
game
#custom-vm#out-of-bounds (oob)
 RCTF 2021 – Pwn files wu 1
ezheap
#alignment-overflow#negative-index#out-of-bounds (oob)
 RCTF 2021 – Pwn files wu 1