Thanks to the incredibly talented community of threat researchers that participated in LabyREnth, the Unit 42 Capture the Flag (CTF) challenge. Now that the challenge is closed, we can finally reveal the solutions of each challenge track. We’ll be rolling out the solutions for one challenge track per week. Next up, the Unix track.
Around 6:00 am PST on September 24, the details of a vulnerability in the widely used Bourne Again Shell (Bash) were disclosed by multiple Linux vendors. The vulnerability, assigned CVE-2014-6271 by Mitre, was originally discovered by Stephane Chazelas, a Unix and Linux network and telecom administrator and IT manager at UK robotics company SeeByte, Ltd.