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Apple Fixes Siri Bug Allowing Access to Photos and Contacts on Locked Device
Shared last night by Jose Rodriguez, the vulnerability used Siri's ability to access Twitter to find an email link or phone number, which could be pressed to open up an editable list of contacts even on a device that was locked. Through access to contacts, a user's full photo library was also visible.
As seen in the video below, the vulnerability relied on asking Siri to perform a Twitter search. If an email address, phone number, or other contact related detail came up, it would give direct access to Photos and Contact data. While the method worked on the iPhone 6s as of this morning, it is now disabled on all devices because it is no longer possible for Siri to conduct a Twitter search on a locked device.
When using a locked iPhone, asking Siri to "Search Twitter" now results in the personal assistant saying "You'll need to unlock your iPhone first." Without the ability to search Twitter on a locked device, there is no way to get the exploit to work. Apple confirmed the fix in a short statement given to The Washington Post.
According to 9to5Mac, a second Siri-related bug was also fixed today. Previously it was possible to enable both Night Shift and Low Power Mode by asking Siri to enable Night Shift after Low Power Mode was turned on, but that is no longer possible. Siri now warns that turning on Night Shift requires turning off Low Power Mode.
In early iOS 9.3 betas, Night Shift did work with Low Power Mode, but in iOS 9.3 beta 4, Apple removed the functionality. Night Shift and Low Power Mode cannot be run simultaneously.