Description
Passcode Lock in Apple iOS before 7.0.2 on iPhone devices allows physically proximate attackers to bypass an intended passcode requirement, and dial arbitrary telephone numbers, by making a series of taps of the emergency-call button to trigger a NULL pointer dereference.
References
- http://support.apple.com/kb/HT5957
- APPLE-SA-2013-09-26-1 vendor-advisory