CVE-2021-1017: High severity Google Android vulnerability
In AdapterService and GattService definition of AndroidManifest.xml, there is a possible way to disable bluetooth connection due to a missing permission check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is needed for exploitation.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
android/platform/packages/apps/Bluetoothto a version that resolves this vulnerability.Fixed in 12:2021-12-01
Event History
Frequently Asked Questions
Which Android devices are in scope?
The affected version identified in the available data is Android 12. The issue is in the Android Bluetooth application components AdapterService and GattService.
What does an attacker need to exploit this issue?
Exploitation requires local access and user interaction. No additional execution privileges are needed.
What is the practical impact of successful exploitation?
A successful exploit can disable Bluetooth connectivity and results in local escalation of privilege. The listed impact includes high confidentiality, integrity, and availability effects.