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Kr00k - Broadcom/Cypress WiFi Chip Vulnerability

Happy Monday! 

 

CVE-2019-15126 or more affectionately "Krook" is a vulnerability in Broadcom and Cypress Wi-Fi chips that allows unauthorized decryption of some WPA2-encrypted traffic. These are the most common Wi-Fi chips used by well-known manufacturers including Amazon (Echo, Kindle), Apple (iPhone, iPad, MacBook), Google (Nexus), Samsung (Galaxy). Wi-Fi Access points and routers are also affected by Kr00k, making even environments with patched client devices vulnerable. All-in-all, before patching there were more than a billion affected devices. What is the state of patching of Kr00k for iOS, MacOS, Cisco, and Huawei Smiley Wink devices? Check here. For more info watch the RSA Conference presentation here.