KrØØk: Serious vulnerability affected encryption of billion+ Wi‑Fi devices

  • Thread starter ForgottenSeer 85179
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ForgottenSeer 85179

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ESET researchers discovered a previously unknown vulnerability in Wi-Fi chips and named it KrØØk. This serious flaw, assigned CVE-2019-15126, causes vulnerable devices to use an all-zero encryption key to encrypt part of the user’s communication. In a successful attack, this allows an adversary to decrypt some wireless network packets transmitted by a vulnerable device.

KrØØk affects devices with Wi-Fi chips by Broadcom and Cypress that haven’t yet been patched. These are the most common Wi-Fi chips used in contemporary Wi-Fi capable devices such as smartphones, tablets, laptops, and IoT gadgets.

White paper: https://www.welivesecurity.com/wp-content/uploads/2020/02/ESET_Kr00k.pdf

For more information, readers can also refer to our dedicated webpage.
 

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