CVE-2021-0371 Explained : Impact and Mitigation

Android devices running on Android-11 are affected by a vulnerability that could allow an attacker to perform an out-of-bounds read, potentially leading to local privilege escalation without requiring user interaction.

Understanding CVE-2021-0371

This CVE identifier is assigned to a vulnerability in Android-11 that could result in information disclosure.

What is CVE-2021-0371?

The vulnerability exists in nci_proc_rf_management_ntf of nci_hrcv.cc, where a missing bounds check may allow for an out-of-bounds read exploit. This could grant an attacker with local escalation of privilege, requiring System execution privileges.

The Impact of CVE-2021-0371

If exploited, this vulnerability could lead to unauthorized access to sensitive information stored on the affected Android-11 devices.

Technical Details of CVE-2021-0371

This section provides detailed technical insights into the vulnerability.

Vulnerability Description

The vulnerability is caused by a missing bounds check in nci_proc_rf_management_ntf, potentially leading to an out-of-bounds read.

Affected Systems and Versions

Android devices running on version Android-11 are impacted by this vulnerability.

Exploitation Mechanism

The exploit could grant an attacker local escalation of privilege without requiring any user interaction.

Mitigation and Prevention

To safeguard against CVE-2021-0371, consider the following mitigation strategies.

Immediate Steps to Take

Apply security patches provided by the device manufacturer promptly.
Regularly update your Android device to the latest software version.

Long-Term Security Practices

Implement stringent access controls and permissions on your device.
Avoid downloading apps from untrusted sources.
Regularly monitor security bulletins and updates from Android.

Patching and Updates

Stay informed about security updates released by Android for your device to address CVE-2021-0371.