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UOFilter: A Whitelist-Based Filter for Unintended Objects in Web Pages
Abstract:
A web page often contains objects that the hosted web server intends a browser to render. Rendering those objects can instruct network requests to foreign origins. Although the same origin policy (SOP) limits the access for foreign objects, web attackers could circumvent the SOP controls through injected unintended objects for sensitive data smuggling. In this paper, we propose UOFilter, a whitelist-based method to filter out unintended objects in web pages. We define a list item structure to describe intended objects with optional integrity guarantees. The UOFilter in a web browser interprets the items and blocks the network requests issued by those unintended objects. We implement a proof of concept UOFilter prototype as a chrome browser extension and validate it with experiments.
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Pages:
373-376
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Online since:
February 2014
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Сopyright:
© 2014 Trans Tech Publications Ltd. All Rights Reserved
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