$ ctf42

#integer-overflow CTF challenges

15 CTF challenges using integer-overflow from 14 CTFs (2018–2024), 15 with writeups. Mostly Pwn (60%) and Misc (27%).

Pwn · 9 Misc · 4 Blockchain · 1 Reverse · 1

Often combined with

#oob-write 2 #signed-arithmetic 1 #floating-point 1 #signed-integer-overflow 1 #heap-overflow 1 #fork 1 #logic-bug 1 #got-overwrite 1 #alloca 1 #stack-overflow 1 #shellcode 1 #counting-sort-buffer-overflow 1 #out-of-bounds-write 1 #tcache-poisoning 1

Challenges

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Challenge CTF Weight Category Has
positive CrewCTF 2023 20.33 Blockchain files wu 3
BCA_Mart BCACTF 2021 – Pwn files wu 3
strvec ASIS 2021 Quals 89.22 Pwn files wu 3
oneshot zer0pts 2021 24.56 Pwn files wu 2
faststorage Dragon 2018 Quals 25.00 Misc files wu 2
Club_Mate watevrCTF 2019 24.92 Misc files wu 1
catch_the_frog RCTF 2021 – Pwn files wu 1
e BraekerCTF 2024 24.72 Misc files wu 1
MightyDragon 0CTF 2018 Quals – Pwn files wu 1
accountant zer0pts 2022 35.97 Pwn files wu 1
MathTest JerseyCTF 2024 21.26 Pwn files wu 1
doubler HSCTF 2023 – Pwn files wu 1
favorite-color TJCTF 2022 – Pwn files wu 1
gambling-problem-2 COMPFEST 2020 – Misc files wu 1
Forky picoCTF 2019 – Reverse files wu 1