Writeups

Lake Quals 2025 - Still Not Malloc

Some satisfying heap feng shui at 5 am in Nanjing

Pop on an empty std::stack?!

heap c++

Warmup challenge featuring a “number conversion base confusion”.

bof

Exploiting jerryscript in China

browser

Hardest pwn challenge of the CTF. A simple vulnerability lead to a BOF, but the path to RCE was really interesting

bof

This is one of the first heap related kernel challenges I solved, so this writeup could be inaccurate in some spots.

kpwn uaf