gaanesh@blog:~$ whoami
Gaanesh Theivasigamani
Thinkspace — security, systems, and the occasional reflection.
3 posts in the archive
payment - CDDC 2026
From zero to RCE on a custom-allocator C++ server: an Overwrite-UAF, a hand-rolled slab page-recycle attack, and a wrap-defence that only validates the start of a read.
25 min read
gaanesh@blog ~/posts $ ls -la --sort=time
3 entries · most recent first
25 min read
payment - CDDC 2026
From zero to RCE on a custom-allocator C++ server: an Overwrite-UAF, a hand-rolled slab page-recycle attack, and a wrap-defence that only validates the start of…
CTFPwnBinary Exploitation
read ↗ 8 min read
Now that things are ending, was it worth it?
Final semester thoughts: grinding, FOMO, and learning to find balance
NUSReflectionsPersonal Growth
read ↗ 10 min read
What I've Been Up To in NUS
From CSA to NUS: A glimpse into my life
NUSCertifications
read ↗