OAuth-SSO: A Framework to Secure the OAuth-Based SSO Service for Packaged Web Applications

The OAuth 2.0 is an authorization protocol gives authorization on the Web. Popular social networks like Facebook, Google and Twitter make their APIs based on the OAuth protocol to increase user experience of SSO and social sharing. It is an open standard for authorization and gives a process for third-party applications to obtain users' resources on the resource servers without sharing their login credentials. Single sign-on (SSO) is an identification method that makes allowance for websites to use other, rely on sites to confirm users. OAuth 2.0 is broadly used in Single Sign-On (SSO) service because of its simple implementation and coherence with a diversity of the third-party applications. It has been proved secure in different formal methods, but some vulnerabilities are revealed in practice. In this paper, we mention a general approach to improve the security of OAuth based SSO service for packaged web app. This paper proposes a modified method to execute OAuth flow from such applications with the help of Single sign-on (SSO) manages the life cycle of these applications.