IOS7 unauthorized access to the user address book and obtain details on the password-based screen lock Interface

On the password-based screen lock page of the official version of iOS7, you can gain unauthorized access to the user Address Book in some way and obtain the user details in the address book. On the iOS7 screen lock interface (usually a password-based screen lock Interface), the system does not allow direct access to the address book. SIRI allows unauthorized access to the user's mobile phone address book and obtains contact details: 1. screen lock interface; 2. Press the Home Key to enable Siri; 3. send a text message to Siri; 4. Ask Siri about the target text message; 5. Simply say a name that cannot be a name. 6. Siri replies to the question "Other…", who does not know the contact or does not understand the contact ..."; 7. Click "others ..." Go to the user contact list. 8. You cannot obtain more information about the user in the contact list. However, after knowing the contact name, you can directly name Siri. Siri will list the contact details; 9. After Siri lists the contact information, it can directly send text messages, make phone calls, send emails, and so on. The screen lock interface interacts with Siri to enter the contact list: obtain detailed information from Siri by name:

Solution: Authenticate the contact list on the screen lock page.