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Towards High Assurance HTML5 Applications

  • Author(s): Akhawe, Devdatta Madhav
  • Advisor(s): Song, Dawn
  • et al.

Rich client-side applications written in HTML5 proliferate diverse platforms

such as mobile devices, commodity PCs, and the web platform. These client-side

HTML5 applications are increasingly accessing sensitive data, including users'

personal and social data, sensor data, and capability-bearing tokens. Instead of

the classic client/server model of web applications, modern HTML5 applications

are complex client-side applications that may call some web services, and run

with ambient privileges to access sensitive data or sensors. The goal of this

work is to enable the creation of higher-assurance HTML5 applications. We

propose two major directions: first, we present the use of formal methods to

analyze web protocols for errors. Second, we use existing primitives to enable

practical privilege separation for HTML5 applications. We also propose a new

primitive for complete mediation of HTML5 applications. Our proposed designs

considerably ease analysis and improve auditability.

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