Hyunjoo Lee, Jiyeon Lee, and Daejun Kim, Korea Advanced Institute of Science and Technology; Suman Jana, Columbia University; Insik Shin and Sooel Son, Korea Advanced Institute of Science and Technology
Web technology has evolved to offer 360-degree immersive browsing experiences. This new technology, called WebVR, enables virtual reality by rendering a three-dimensional world on an HTML canvas. Unfortunately, there exists no browser-supported way of sharing this canvas between different parties. Assuming an abusive ad service provider who exploits this absence, we present four new ad fraud attack methods. Our user study demonstrates that the success rates of our attacks range from 88.23% to 100%, confirming their effectiveness. To mitigate the presented threats, we propose AdCube, which allows publishers to specify the behaviors of third-party ad code and enforce this specification. We show that AdCube is able to block the presented threats with a small page loading latency of 236 msec and a negligible frame-per-second (FPS) drop for nine WebVR official demo sites.
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