https://www.theverge.com/2019/1/28/18201383/apple-facetime-bug-iphone-eavesdrop-listen-in-remote-call-security-issue
By Dieter Bohn
The Verge
Jan 28, 2019
There's a serious bug in Apple's FaceTime video calling platform that has been
bouncing around some corners of social media today, and that 9to5Mac just
alerted us to: you can call somebody via FaceTime and listen to their phone’s
microphone regardless of whether the person you’re calling picks up.
Reached for comment, an Apple spokesperson said "We're aware of this issue and
we have identified a fix that will be released in a software update later this
week.:
The Verge has just independently confirmed that it works using two iPhones
running 12.1.2 in our office. Here’s how it goes: you begin calling somebody
via FaceTime Video from within the Phone app. Before that person picks up, you
can swipe up to add your own phone number to the call. Once you've added
yourself, FaceTime immediately seems to assume it's an active conference call
and begins sending the audio of the person you’re calling, even though they
haven’t yet picked up.
In other words, if you see your iPhone ringing with a FaceTime video call, it's
possible that the person calling you could listen to your microphone before
you've picked up. The bug requires you have an OS that supports Group FaceTime
to work, of course.
[...]
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