The Restricted USB Mode is designed to protect iPhones and iPads from certain hacking techniques that use a USB cnecti to download data through the Lightning Cnector to decrypt the password.
iOS 11.4.1 and iOS 12 prevent this by default by disabling access to data the Lightning port if more than e hour has elapsed since the last unlocking of the phe. iOS device. Users can also quickly disable the USB cnecti by activating SOS emergency mode.
However, researchers at the ElcomSoft cybersecurity firm claim to have discovered a flaw that resets the hour-lg counter. The bypass technique involves cnecting a USB accessory in the Lightning port of the iOS device, which prevents the restricted USB mode from locking after e hour.
Oleg Afin of ElcomSoft explained the technique in a blog post:
What we discovered is that iOS will reset the USB Restrictive Mode countdown even if we cnect the iPhone to an unapproved USB accessory, which has never been paired with the iPhone. # 39; iPhone before (well, the accessories do not need to pair at all). In other words, ce the police officer grabs an iPhone, he or she will immediately need to cnect that iPhone to a compatible USB accessory to prevent locking the USB restricted mode after e hour. Importantly, …