Wednesday, April 24, 2024

Coverstar - Positive Social app for iOS: Locking Phone WIth Amazon Cognito Dialog On Screen Turns App Unresponsive

 iOS 17.4.1

Coverstar - Positive Social app for iOS (version 8.0)

Date: 04/24/2024

Description:

Here's an odd bug, the likes of which I can't say I exactly seen before with an iOS app! There's an app called Coverstar - Positive Social. 

The app has an option to use Google credentials to create an account. If the user selects either the "Continue with Apple" or the "Continue with Google" options, a dialog about amazoncognito.com appears on screen. 

That dialog looks like this:


If the user locks the iPhone while this dialog is on screen, the app becomes, seemingly, permanently disabled until the app is reset. 


The user becomes stuck on this screen, with everything completely unresponsive. Exiting and relaunching the app doesn't work either...


Here's a video I captured of what this unresponsiveness looks like:



Steps to Reproduce:

1. Download and launch the Coverstar - Positive Social app for iOS

2. Select the "Profile" icon in the bottom right 

3. Select "Sign Up"

4. From the Sign up for Coverstar pop-up, select either "Continue with Apple" or "Continue with Google"

5. With the ""Coverstar" Wants to Use "amazoncognito.com" to Sign In" message on screen, press the side button on the iPhone 

6. Unlock the phone and return to the app

Result: Locking the phone while the ""Coverstar" Wants to Use "amazoncognito.com" to Sign In" message is displayed inside of the Coverstar app freezes the app - the app is unresponsive until there is a hard restart of the app

Expected: Locking the phone while the ""Coverstar" Wants to Use "amazoncognito.com" to Sign In" message is displayed inside of the Coverstar app should NOT freeze the app 

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