CVE-2021-0598 : Security Advisory and Response
Learn about CVE-2021-0598 impacting Android devices through local privilege escalation during Bluetooth pairing. Understand the vulnerability, impact, and mitigation strategies.
Android devices are impacted by a vulnerability, CVE-2021-0598, that allows for local privilege escalation through untrusted Bluetooth device pairing. User interaction is required for exploitation.
Understanding CVE-2021-0598
This CVE impacts Android devices, potentially leading to an elevation of privilege through a tapjacking/overlay attack during Bluetooth device pairing.
What is CVE-2021-0598?
The vulnerability exists in the onCreate function of ConfirmConnectActivity.java, enabling the pairing of untrusted Bluetooth devices. This could result in local privilege escalation, requiring user interaction for successful exploitation.
The Impact of CVE-2021-0598
The CVE allows for a local escalation of privilege on affected Android devices. An attacker could exploit this vulnerability to gain elevated privileges on the targeted system, posing a significant security risk.
Technical Details of CVE-2021-0598
The following technical details outline the vulnerability, affected systems, and the exploitation mechanism.
Vulnerability Description
The vulnerability arises from a potential tapjacking/overlay attack during the pairing of untrusted Bluetooth devices within the ConfirmConnectActivity.java file.
Affected Systems and Versions
Product: Android Versions: Android-11, Android-8.1, Android-9, Android-10
Exploitation Mechanism
User interaction is required for the successful exploitation of this vulnerability, where an attacker could leverage the tapjacking/overlay attack to achieve local escalation of privilege.
Mitigation and Prevention
To safeguard systems from CVE-2021-0598, immediate steps and long-term security measures should be undertaken.
Immediate Steps to Take
Users and administrators should exercise caution while pairing Bluetooth devices and avoid connecting to untrusted or unknown sources.
Long-Term Security Practices
Regularly update Android devices to the latest firmware and security patches to mitigate potential risks associated with known vulnerabilities.
Patching and Updates
Stay informed about security bulletins and updates from Android to ensure the timely application of patches that address CVE-2021-0598.