Users have found a fault outside the app of the Facebook for iPhone: when you open a photo in full screen, it turns on the camera and the microphone, it is possible to see that on the left-hand side of the screen. This happens only on the most recent versions of the iOS system of Apple, it does not prompt you when an app is in foreground-use camera.
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On Twitter, users are Daryl Lasafin, and Josh Maddux published a video showing what happens: you tap on a profile picture, or any picture and it will expand all the way to the screen. When you do, you’ll see a lane on the left hand side with the feed from the camera, displaying what’s in front of you.
We can confirm that the youtube video: the Facebook version 246.0, running on iOS, 13.2.2, exhibit this behavior. According to The Next Web, the issue doesn’t occur on iOS 13.1.3; and, Maddux was not able to reproduce this on an iPhone with an iOS of 12.
It is worth saying that the Facebook is not using the camera or the microphone in the background. It does this only when it is in use, is displayed on the screen, when you go back to the home screen or switches to another app. In addition to that:
- the Facebook-only you will have access to your camera and microphone if you have given authorization, it is possible to check this in the Settings;
- the Facebook do not have access to your camera, in the background, because in iOS no longer allows this;
- if Facebook were to use the microphone in the background, the iOS app would show a notification at the top of the screen, which is not the case.
the iOS does not warn you if the apps is in the foreground to use the camera
However, the iOS does not warn you if an app is in the foreground, that is, using a camera or a microphone. This is a limitation that has always existed, and it was suggested in 2017 by a security researcher Felix Krause.
“Once you have granted access to your camera for an application, you can access the camera on both the front and the back, to write to you at any time, that the app is in the foreground, taking pictures and recording videos, without notice to you, and you can upload your photos and videos out of the box to perform face recognition in real-time, in order to detect features, or facial expressions, such as,” Krause said at the time.
So, if you want to restrict access to your camera and microphone, you can do the following:
- go to Settings > Privacy;
- tap the Microphone on and off to access the apps that you want;
- to return to the previous screen and tap on the Camera , and then do the same thing.
If you want to restrict it only to your Facebook, go to Settings, scroll down in the list, tap on the Facebook and turn off the permission for Camera and Microphone.