Apple has released the iOS 7.0.2 update for users running
iOS 7 or 7.0.1 on their iPhone, iPad and iPod touch devices.
The update fixes the lock screen vulnerabilities that was
discovered a few days back, after the public release of iOS 7.
The iOS 7.0.2 update is a 21MB download on iPhone 5 and can
be downloaded over the air on devices or via iTunes on computers. Apple
mentions that the iOS 7.0.2 software update fixes bugs that could allow someone
to bypass the lock screen passcode and reintroduces a Greek keyboard option for
passcode entry.
Detailing the update's security content, Apple mentions that
the update fixes a passcode lock vulnerability on iPhone 4 or later which
allowed a person with physical access to the device to make calls to any
number. "A NULL dereference existed in the lock screen which would cause
it to restart if the emergency call button was tapped repeatedly. While the
lock screen was restarting, the call dialler could not get the lock screen
state and assumed the device was unlocked, and so allowed non-emergency numbers
to be dialed. This issue was addressed by avoiding the NULL dereference,"
said Apple.
The iOS 7 vulnerability allowed anyone to dial a number
through a passcode locked iPhone's Emergency number dialler screen after a few
attempts.
The other iOS 7 vulnerability allowed a person with physical
access to the device to see recently used apps, see, edit, and share photos.
"The list of apps you opened could be accessed during some transitions
while the device was locked, and the Camera app could be opened while the
device was locked," informed Apple.
The lock screen security hole allowed users to bypass the
passcode on any iOS device and gain access to the Photos app and subsequently
to the user's email and social networking accounts via the control center.
iOS 7 was released publicly on September 18. In Apple's
words it is "the most significant iOS update since the original
iPhone." The OS bring a completely overhauled user interface design, and
adds many missing features that were being offered by rival mobile platforms
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