CVE-2021-0319 Information

Description

In checkCallerIsSystemOr of CompanionDeviceManagerService.java there is a possible way to get a nearby Bluetooth device’s MAC address without appropriate permissions due to a permissions bypass. This could lead to local escalation of privilege that grants access to nearby MAC addresses with User execution privileges needed. User interaction is needed for exploitation. Product: Android; Versions: Android-8.0 Android-8.1 Android-9 Android-10 Android-11; Android ID: A-167244818.

CVSS Vector

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

Reference

https://source.android.com/security/bulletin/2021-01-01

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.3