Saturday, March 28, 2020

A Dozen Vulnerabilities Affect Millions of Bluetooth LE Powered Devices

A team of cybersecurity researchers late last week disclosed the existence of 12 potentially severe security vulnerabilities, collectively named ‘SweynTooth,’ affecting millions of Bluetooth-enabled wireless smart devices worldwide—and worryingly, a few of which haven’t yet been patched.

All SweynTooth flaws basically reside in the way software development kits (SDKs) used by multiple system-on-a-chip (SoC) have implemented Bluetooth Low Energy (BLE) wireless communication technology—powering at least 480 distinct products from several vendors including Samsung, FitBit and Xiaomi.

According to the researchers, hackers in close physical proximity to vulnerable devices can abuse this vulnerability to remotely trigger deadlocks, crashes, and even bypass security in BLE products, allowing them to arbitrary read or write access to device’s functions that are otherwise only allowed to be accessed by an authorized user.

“As of today, SweynTooth vulnerabilities are found in the BLE SDKs sold by major SoC vendors, such as Texas Instruments, NXP, Cypress, Dialog Semiconductors, Microchip, STMicroelectronics and Telink Semiconductor,” the researchers from the Singapore University of Technology and Design said.

Here is a list and brief information on all 12 SweynTooth vulnerabilities:

  • Link Layer Length Overflow (CVE-2019-16336,

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itsmePNPhttp://prakashpdl.com.np/
Prakash is a tech freak, passionate about every new gadget and technology that comes his way. Always searching, always curios, he managed to gather an astounding experience that is very useful in his journalistic career.

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