Over 1 Billion Mobile App Accounts can be Hijacked Remotely with this Simple Hack
Nov 05, 2016
Security researchers have discovered a way to target a huge number of Android and iOS apps that could allow them to remotely sign into any victim's mobile app account without any knowledge of the victim. A group of three researchers – Ronghai Yang, Wing Cheong Lau, and Tianyu Liu – from the Chinese University of Hong Kong has found [ PPT ] that most of the popular mobile apps that support single sign-on (SSO) service have insecurely implemented OAuth 2.0. OAuth 2.0 is an open standard for authorization that allows users to sign in for other third-party services by verifying existing identity of their Google, Facebook, or Chinese firm Sina accounts. This process enables users to sign-in to any service without providing additional usernames or passwords. How are app developers required to implement OAuth? (Right Way) When a user logs into a third party app via OAuth, the app checks with the ID provider, let's say, Facebook, that it has correct authentication details. I...
