With the world in quarantine and isolation because of COVID-19, I decided to publish a blog post reminding us of more cheerful times. Take yourself back to the last time you spent weeks hammering away at a seemingly impossible challenge, and quickly fast-forward to when you finished that problem. Do you remember your intense excitement and satisfaction? How did you celebrate your success?

A reference for when working with integers, and looking for integer overflows and underflows.

Many of us take for granted ls’s convenient display, and probably didn’t ever stop to consider how it even knows which colors to use for which files. This very question sparked my curiosity and lead me to researching the internals of this mechanism.

Vulnerability writeup for CVE-2019-17421 that allows privilege escalation to root through OpManager products

This post describes in detail how I found CVE-2019-17424 and successfully exploited the vulnerability in the precompiled, packaged product to achieve RCE.