iOS URL Scheme Could Let App-in-the-Middle Attackers Hijack Your Accounts
Jul 15, 2019
Security researchers have illustrated a new app-in-the-middle attack that could allow a malicious app installed on your iOS device to steal sensitive information from other apps by exploiting certain implementations of Custom URL Scheme . By default on Apple's iOS operating system, every app runs inside a sandbox of its own, which prevent all apps installed on the same device from accessing each other's data. However, Apple offers some methods that facilitate sending and receiving very limited data between applications. One such mechanism is called URL Scheme, also known as Deep Linking, that allows developers to let users launch their apps through URLs, like facetime:// , whatsapp:// , fb-messenger:// . For example, when you click "Sign in with Facebook" within an e-commerce app, it directly launches the Facebook app installed on your device and automatically process the authentication. In the background, that e-commerce app actually triggers the URL Sch
