Pre-installed App Vulnerability: Unauthorized Microphone Audio Recording via Confused Deputy Attack

Pre-installed App Vulnerability: Unauthorized Microphone Audio Recording via Confused Deputy Attack

CVE-2019-15473 · MEDIUM Severity

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

The Xiaomi Mi A2 Lite Android device with a build fingerprint of xiaomi/jasmine/jasmine_sprout:9/PKQ1.180904.001/V10.0.2.0.PDIMIFJ:user/release-keys contains a pre-installed app with a package name of com.qualcomm.qti.callenhancement app (versionCode=28, versionName=9) that allows unauthorized microphone audio recording via a confused deputy attack. This capability can be accessed by any app co-located on the device. This app allows a third-party app to use its open interface to record telephone calls to external storage.

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