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Name of API: Mobile Connection API
Reference:  https://wiki.mozilla.org/WebAPI/WebMobileConnection

Brief purpose of API: This exposes information about the current mobile voice 
and data  connection to (certain) HTML content. 

Use Cases: The primary use case for this is  the status bar of the main phone 
UI.  

Inherent threats:   
Access to sensitive information such as:
 ICC-related (SIM/RUIM card) 
 own phone number and other ICC I/O related features 
 entering PIN, PIN2, PUK, PUK2 to unlock various states of the  SIM card. 
Entering the PIN isn't *that* exotic, actually. Some carriers  deliver their 
SIM cards with the PIN lock enabled, for instance. 
 changing the PIN (also serves as enabling/disabling the PIN lock.) 
 device-related 
 get IMEI, IMEISV 
 depersonalize (remove network lock) 
 baseband-related information and features 

Threat severity: High

== Regular web content (unauthenticated) ==
Use cases for unauthenticated code: None
Authorization model for normal content: None
Potential mitigations:  None

== Trusted (authenticated by publisher) ==
Use cases for authenticated code: None
Authorization model: None
Potential mitigations: None

== Certified (vouched for by trusted 3rd party) ==
Use cases for certified code: Telephone status UI
Authorization model: Implicit
Potential mitigations: None

Notes: Some radio feature are also accessible via Settings API

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