Flipper Zero can nonetheless crash iPhones working the most recent model of iOS 17

In September, 9to5Mac reported that Flipper Zero, a preferred and low-cost hacking device, was getting used to wreak havoc on close by iPhones and iPads, spamming them with pretend Bluetooth pop-ups till they finally crashed.

Regardless of many iOS 17 updates since, together with final week’s launch of recent iOS 17.2 betas, Apple has but to implement safeguards to stop the assault. So, what offers?

Flipper Zero assault utilizing iPhone Bluetooth exploit

Out of the field, you’ll discover that Flipper Zero could be a fairly innocent system. It’s bought as a conveyable multi-tool for penetration testers and hobbyists that may be programmed to manage a number of radio protocols.

Nonetheless, because the firmware is open supply, it may be modified with new software program that turns it right into a low-orbiting ion cannon for unhealthy actors to level at unsuspecting victims.

First identified by safety researcher Techryptic, Ph.D., when extra software program is loaded onto the Flipper Zero, it could actually then carry out Denial of Service (Dos) assaults, spamming iPhones and iPads with an amazing quantity of Bluetooth connection notifications that trigger the units to freeze up for minutes after which reboot.

The assault makes use of a Bluetooth Low-Vitality (BLE) pairing sequence flaw. Apple makes use of a number of BLE applied sciences in its ecosystem, together with AirDrop, HandOff, iBeacon, HomeKit, and lots to do with Apple Watch.

A outstanding characteristic of BLE is its capacity to ship promoting packets, or ADV packets, to determine native units on iPhones and iPads. It’s thanks to those packets, that actions comparable to pairing new AirPods are executed with a slick animated pop-up on the underside half of the system.

Sadly, these ADV packets might be spoofed, and that is what hackers are benefiting from…with the assistance of a Flipper Zero.

Defending in opposition to Flipper Zero assault

Flipper Zero has an okay-ish Bluetooth radio vary of about 50 meters (~164 ft), which implies pulling off DoS assaults would require hackers to be shut however far sufficient to wreak havoc on espresso retailers and sporting occasions with out being detected.

What’s most alarming about this assault is there’s no life like technique to shield your self but. The one factor customers can do to not fall sufferer is to disable Bluetooth in Settings. Clearly, this extraordinarily limits performance and can be reenabled by Apple each time you replace to the most recent model of iOS.

What’s Apple doing?

For a corporation with top-of-the-line safety observe information, Apple has but to acknowledge the BLE flaw that’s being exploited. The rationale may very well be technical, however many imagine Apple isn’t taking the exploit critically because it doesn’t pose a large enough menace to customers and/or person privateness. What do you suppose?

In my testing, this assault nonetheless works in opposition to iPhones working iOS 17.2.

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