{"id":164511,"date":"2013-02-01T00:00:00","date_gmt":"2013-02-01T00:00:00","guid":{"rendered":"https:\/\/cm-edgetun.pages.dev\/en-us\/research\/msr-research-item\/integuard-toward-automatic-protection-of-third-party-web-service-integrations\/"},"modified":"2018-10-16T20:20:06","modified_gmt":"2018-10-17T03:20:06","slug":"integuard-toward-automatic-protection-of-third-party-web-service-integrations","status":"publish","type":"msr-research-item","link":"https:\/\/cm-edgetun.pages.dev\/en-us\/research\/publication\/integuard-toward-automatic-protection-of-third-party-web-service-integrations\/","title":{"rendered":"InteGuard: Toward Automatic Protection of Third-Party Web Service Integrations"},"content":{"rendered":"<div class=\"asset-content\">\n<p>A web application today often utilizes web APIs to incorporate third-party services into its functionality. Such API integration, however, is full of security perils: recent studies show that popular web sites using high-profile web services, such as PayPal\/Amazon checkouts and Facebook\/Google single-sign-on (SSO) services, are riddled with logic flaws, enabling a malicious party to shop for free or log into a victim\u2019s account. To address this new threat, techniques need to be developed to facilitate secure integration of third-party web services.<\/p>\n<p>To answer this urgent call, we present in this paper InteGuard, the first system that offers security protection to vulnerable web API integrations. InteGuard operates a proxy in front of the service integrator\u2019s web site, performing security checks on a set of invariant relations among the HTTP messages the integrator receives during a transaction (e.g., a checkout from a web store or a web SSO). These invariants link multiple HTTP sessions to a transaction and capture their security-critical relations. They also characterize transactionrelated communication the proxy cannot directly observe, which happens between the client and the service provider. InteGuard includes a suite of novel techniques that automatically extract such invariants from a variety of communication channels adopted by diverse integrations and achieve effective false positive control in this process. Our evaluation shows that InteGuard can defeat complicated exploits on high-profile web services, with little impact on their normal operations.<\/p>\n<\/div>\n<p><!-- .asset-content --><\/p>\n","protected":false},"excerpt":{"rendered":"<p>A web application today often utilizes web APIs to incorporate third-party services into its functionality. Such API integration, however, is full of security perils: recent studies show that popular web sites using high-profile web services, such as PayPal\/Amazon checkouts and Facebook\/Google single-sign-on (SSO) services, are riddled with logic flaws, enabling a malicious party to shop [&hellip;]<\/p>\n","protected":false},"featured_media":0,"template":"","meta":{"msr-url-field":"","msr-podcast-episode":"","msrModifiedDate":"","msrModifiedDateEnabled":false,"ep_exclude_from_search":false,"_classifai_error":"","msr-author-ordering":null,"msr_publishername":"","msr_publisher_other":"","msr_booktitle":"Network & Distributed System Security Symposium (NDSS)","msr_chapter":"","msr_edition":"Network & Distributed System Security Symposium 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