Input sanitization issues will always exist, although it’s surprising at how we’re still seeing amateur mistakes being made on everyday applications and systems used by millions. After making some observations against automatic license plate recognition (ALPR) data requested via the freedom of information act (FOIA) while having reminiscent conversations about old hacker tales, it turned on the evil bit, leading to some interesting ideas. We’ll go over this adventure of poking at systems using totally valid user-controlled data that causes unexpected behavior in the real world. It’s always a strange thing when you can “exploit” unexpected attack surface, due to poor specification, especially in government systems.

DEF CON (also written as DEFCON, Defcon or DC) is a hacker convention held annually in Las Vegas, Nevada. The first DEF CON took place in June 1993 and today many attendees at DEF CON include computer security professionals, journalists, lawyers, federal government employees, security researchers, students, and hackers with a general interest in software, computer architecture, hardware modification, conference badges, and anything else that can be "hacked". The event consists of several tracks of speakers about computer- and hacking-related subjects, as well as cyber-security challenges and competitions (known as hacking wargames). Contests held during the event are extremely varied, and can range from creating the longest Wi-Fi connection to finding the most effective way to cool a beer in the Nevada heat.

Go NULL Yourself or: How I Learned to Start Worrying While Getting Fined for Other’s Auto Infractions

Conference: Defcon 27

Abstract

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