CVE-2022-20360 : What You Need to Know

Android devices are impacted by a critical vulnerability that allows local privilege escalation without the need for user interaction. This CVE, identified as A-228314987, affects various versions of Android, including Android-10, Android-11, Android-12, and Android-12L.

Understanding CVE-2022-20360

This section delves into the details regarding the vulnerability and its potential impact.

What is CVE-2022-20360?

The vulnerability resides in the setChecked function of SecureNfcPreferenceController.java, overlooking a crucial permission check. As a result, a guest user can exploit it to obtain elevated privileges locally.

The Impact of CVE-2022-20360

The exploitation of this vulnerability can lead to an elevation of privilege, allowing an attacker to gain escalated privileges on the affected Android device.

Technical Details of CVE-2022-20360

Explore the technical aspects related to the vulnerability, affected systems, and exploitation mechanisms.

Vulnerability Description

The vulnerability arises from a missing permission check in the setChecked function of SecureNfcPreferenceController.java, enabling unauthorized privilege escalation.

Affected Systems and Versions

Android devices running Android-10, Android-11, Android-12, and Android-12L are susceptible to this privilege escalation vulnerability.

Exploitation Mechanism

An attacker with access to the guest user account on an affected Android device can exploit this vulnerability without the need for additional execution privileges.

Mitigation and Prevention

Learn about the measures to mitigate the risks associated with CVE-2022-20360 and prevent potential exploitation.

Immediate Steps to Take

Users are advised to apply security patches and updates provided by the device manufacturer to address this vulnerability promptly.

Long-Term Security Practices

Maintain good security hygiene by keeping your device software up-to-date and following best security practices to prevent unauthorized escalation of privileges.

Patching and Updates

Regularly check for security bulletins from Android for any available patches to mitigate the CVE-2022-20360 vulnerability.