Introduction Securing Fortune #1 is exciting, challenging and rewarding — all at the same time. Walmart’s global technology footprint consists of many tech implementations and provides security practitioners with unrivaled challenges and rewards. The Walmart Information Security team works collaboratively with supplier partners to continually enhance the security hygiene of products…

By: @straight_blast ; straightblast426@gmail.com The purpose of this post is to share how one would use a debugger to identify the relevant code path that can trigger the crash. I hope this post will be educational to people that are excited to learning how to use debugger for vulnerability analysis. …

The folks at Atredis (https://twitter.com/Atredis) recently posted a binary challenge to get the community pumped up for the upcoming Blackhat/Defcon events in Las Vegas. Poking Around I connected to the server (arkos.atredis.com:4444) and it displayed information that are useful to solving the challenge:

By: @straight_blast ; straightblast426@gmail.com Introduction On March 6, 2018, a security researcher named “meh” (will be referred to as author from now on) published a blog post[1] on the vulnerability CVE-2018–6789 that she identified in EXIM 4.89 and below. She gave detailed explanation on how to exploit the vulnerability, however no…