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Name of API: Settings API
Reference: https://bugzilla.mozilla.org/show_bug.cgi?id=678695

Brief purpose of API: API to configure device settings
General Use Cases: None

Inherent threats: 
*Access sensitive configuration data (wifi passwords etc)
*Change settings which might cost user money (data settings, roaming etc)
*Safety implications (airplane mode? If you believe a plane can be brought down 
by a mobile phone...)

Threat severity: High

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

== Trusted (authenticated by publisher) ==
Use cases for authenticated code: Modify a specific setting - e.g. e-book app 
modifies brightness in response to lighting conditions
Authorization model: Implicit
Potential mitigations: Limit access to benign settings

== Certified (vouched for by trusted 3rd party) ==
Use cases for certified code: replacement settings manager app
Authorization model: Implicit access to all settings
Potential mitigations: None

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