Buffer Overflow Vulnerability in wma_unified_power_debug_stats_event_handler() Function

CVE-2017-14883 · HIGH Severity

AV:N/AC:L/AU:N/C:P/I:P/A:P

In the function wma_unified_power_debug_stats_event_handler() in Android for MSM, Firefox OS for MSM, and QRD Android before 2017-10-18, if the value param_buf->num_debug_register received from the FW command buffer is close to max of uint32, then the computation performed using this variable to calculate stats_registers_len may overflow to a smaller value leading to less than required memory allocated for power_stats_results and potentially a buffer overflow while copying the FW buffer to local buffer.

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