The Patching Friars' AlmanacA calendar of CVE saints

May 31

M365 ScooterHoly card for m365-scooter, generated with AI (Claude, Anthropic) for the Lunario dei Frati Patchatori.CC BY-NC-SA 4.0 »» M365 Scooter SINE CLAVE CURRIT
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⚔ Commemorated today: The Scourge of MOVEit (2023)

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Saint M365 Scooter, Who Accelerated on His Own

Patron of shared electric scooters, passwords checked only by the app, and riders who trust Bluetooth.

Life

In 2019 Rani Idan of Zimperium showed that the Xiaomi M365 scooter (CVE-2019-12500) checked the password only in the app, not on board. An attacker within Bluetooth range could therefore send commands without authenticating: a sudden acceleration, braking, locking or unlocking the vehicle. Some sharing operators had to update or withdraw the affected models.

Prayer

O Saint M365 Scooter, who takes orders from whoever passes by, let our vehicles check who is in command before they move. Amen.

How to celebrate

Celebrated by updating the scooter firmware and setting a password the vehicle actually checks.

Technical record

Disclosed on
May 31 2019
CVE
CVE-2019-12500

The Xiaomi M365 scooter 2019-02-12 before 1.5.1 allows spoofing of "suddenly accelerate" commands. This occurs because Bluetooth Low Energy commands have no server-side authentication check. Other affected commands include suddenly braking, locking, and unlocking.

Sources: nvd.nist.gov

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