Picture this scene, which happens thousands of times every day all around the world: Someone walks into a meeting room, sees a video cable and plugs it into their laptop. The other end of the cable is out of sight – it just disappears through a hole in the table. What is it connected to? Presumably the video projector bolted to the ceiling, but can it be trusted to just display their PowerPoint presentation?...
This presentation discusses the security of video drivers which interpret and process data supplied to them by external displays, projectors and KVM switches. It covers all the main video standards, including VGA, DVI, HDMI and DisplayPort. It also details the construction of a hardware-based EDID fuzzer using an Arduino Microcontroller and a discussion of some of its findings.
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