Starbucks iOS app leaves user data in the clear

Usernames, e-mail addresses, passwords, and location data among exposed data.

by Jason Inofuentes
Jan 16 2014
Ars Technica

The most popular mobile payment systems in the US may also be among 
the leakiest. Security researcher Daniel Wood went public with his 
research Tuesday, revealing that the Starbucks iOS app exposes 
customers' usernames, e-mail addresses, passwords, and certain 
location data.

The problem doesn't arise directly from the Starbucks app. Rather, it 
stems from the cleartext logs maintained by the app's crash analytics 
software. The software, known as Crashlytics, allows developers to 
log application data for subsequent analysis in the event of an 
error. Crashlytics advises its partners to not log sensitive data, 
such as usernames and passwords. In this instance, the Starbucks app 
is passing user data along to the session.clslog file without any 
efforts to conceal it.

...

http://arstechnica.com/security/2014/01/starbucks-ios-app-leaves-user-data-in-the-clear/


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