$ ctf42

#out-of-bounds-write CTF challenges

3 CTF challenges using out-of-bounds-write from 3 CTFs (2019–2024), 3 with writeups. Mostly Pwn (67%) and Crypto (33%).

Pwn · 2 Crypto · 1

Often combined with

#tcache-poisoning 2 #integer-overflow 1 #heap-overlap 1 #malloc-hook-overwrite 1

Challenges

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Challenge CTF Weight Category Has
strvec
#integer-overflow#out-of-bounds-write#tcache-poisoning
 ASIS 2021 Quals 89.22 Pwn files wu 3
plang
#out-of-bounds-write#heap-overlap#tcache-poisoning#malloc-hook-overwrite
 0CTF 2019 Quals – Pwn files wu 1
Symmetry_2
#out-of-bounds-write
 KalmarCTF 2024 24.21 Crypto files wu 1