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Published in:
2014 | OriginalPaper | Chapter
Model-Based Detection of CSRF
Authors : Marco Rocchetto, Martín Ochoa, Mohammad Torabi Dashti
Published in: ICT Systems Security and Privacy Protection
Publisher: Springer Berlin Heidelberg
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Cross-Site Request Forgery (CSRF) is listed in the top ten list of the Open Web Application Security Project (OWASP) as one of the most critical threats to web security. A number of protection mechanisms against CSRF exist, but an attacker can often exploit the complexity of modern web applications to bypass these protections by abusing other flaws. We present a formal model-based technique for automatic detection of CSRF. We describe how a web application should be specified in order to facilitate the exposition of CSRF-related vulnerabilities. We use an intruder model, à la Dolev-Yao, and discuss how CSRF attacks may result from the interactions between the intruder and the cryptographic protocols underlying the web application. We demonstrate the effectiveness and usability of our technique with three real-world case studies.