In Snapdragon (Automobile, Mobile, Wear) in version IPQ8074, MDM9206, MDM9607, MDM9640, MDM9650, MSM8996AU, QCA6574AU, SD 210/SD 212/SD 205, SD 425, SD 427, SD 430, SD 435, SD 450, SD 625, SD 820A, SD 835, SD 845, SD 850, SDA660, SDM429, SDM439, SDM630, SDM632, SDM636, SDM660, SDM710, Snapdragon_High_Med_2016, MAC address randomization performed during probe requests is not done properly due to a flawed RNG which produced repeating output much earlier than expected.
The product uses a Pseudo-Random Number Generator (PRNG) in a security context, but the PRNG's algorithm is not cryptographically strong.
Link | Tags |
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https://www.qualcomm.com/company/product-security/bulletins | vendor advisory |
https://source.android.com/security/bulletin/2018-07-01#qualcomm-closed-source-components | vendor advisory |