• Corpus ID: 15157068

On the security of modern Single Sign-On Protocols: Second-Order Vulnerabilities in OpenID Connect

@article{Mladenov2015OnTS,
  title={On the security of modern Single Sign-On Protocols: Second-Order Vulnerabilities in OpenID Connect},
  author={Vladislav Mladenov and Christian Mainka and J{\"o}rg Schwenk},
  journal={arXiv: Cryptography and Security},
  year={2015}
}
OAuth is the new de facto standard for delegating authorization in the web. An important limitation of OAuth is the fact that it was designed for authorization and not for authentication. The usage of OAuth for authentication thus leads to serious vulnerabilities as shown by Zhou et. al. in [44] and Chen et. al. in [9]. OpenID Connect was created on top of OAuth to fill this gap by providing federated identity management and user authentication. OpenID Connect was standardized in February 2014… 
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