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From CTF to CVE: How Application of Concepts and Persistence led to a Vulnerability Disclosure

By : Joe Grey (@C_3PJoe)

As an industry, we are always looking for ways to sharpen our skills. We have education, certifications, and mentorship programs. A staple at Defcon as well as most other conferences is the Capture the Flag (CTF) competitions. As a blue teamer, in an effort to sharpen my skills, I started downloading CTF VMs and working through them. For more applicability, I started applying these concepts to things outside the CTF for bug bounties, but to no avail. As luck would have it, I left Burp on and logged in to configure my lab wireless router to use for testing and learning wireless hacking. While the antennae that I bought to attack wireless were being used, they weren’t being used in the same sense of attack. I logged into the router and noticed several vulnerabilities in the router’s authentication scheme. This presentation breaks down the concepts of the CTF and how I applied them through the research and responsible disclosure process.

joe

Joe Gray joined the U.S. Navy directly out of High School and served for 7 years as a Submarine Navigation Electronics Technician. Joe is currently a Senior Security Architect and maintains his own blog and podcast called Advanced Persistent Security. In his spare time, Joe enjoys attending information security conferences, contributing blogs to various outlets, training in Brazilian Jiu Jitsu, and flying his drone. Joe is the inaugural winner of the DerbyCon Social Engineering Capture the Flag (SECTF) and was awarded a DerbyCon Black Badge. Joe is a regular Forbes contributor and has contributed material for the likes of AlienVault, ITSP Magazine, CSO Online, and Dark Reading. Joe is an IBM Recognized Speaker/Presenter.

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