Private information stored in Apple's iPhone and protected by a lock code can be accessed by anyone with just a few button presses.
The iPhone, like most mobile phones, can be locked with a four-digit code, but where other phones in their locked state only permit calls to emergency service numbers such as 911 (in the U.S.), 999 (in the U.K.) and 112 (throughout Europe), a locked iPhone can be used to make a call to any number.
[ Learn how to secure your systems with Roger Grimes' Security Adviser blog and newsletter, both from InfoWorld. ]
However, that's not all you can do with a locked iPhone running the latest version of Apple's software, 2.0.2.
Pressing the emergency call button at the unlock screen, followed by two taps on the home button, takes you to the iPhone's private 'favorites' page without the need to enter the unlock code. If the owner of the phone has favorite entries in their address book containing URLs, e-mail addresses or mobile phone numbers, then those entries can be used to launch the browser, mail application or SMS (Short Message Service) software, and gain access to private Web favorites, e-mail messages, and text messages stored in the phone, again without entering the unlock code.
The security flaw, revealed by a member of the MacRumors.com forum, came as a surprise to an Apple spokeswoman in London, who said she would look into the matter.
One way to avoid such unauthorized access to e-mail messages or Web favorites would be not to add e-mail addresses or URLs to favorite address book entries.
Apple pushed version 2.0 of its iPhone software as being more enterprise-friendly: some businesses had been reluctant to adopt the first version of the iPhone because it did not adequately protect corporate information stored in the device.
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