CVE-2020-0397 : Vulnerability Insights and Analysis

Android application has a vulnerability in 'getNotificationBuilder' function that could lead to local information disclosure. Date Published: 2020-09-17

Understanding CVE-2020-0397

This CVE describes a possible permission bypass vulnerability in the getNotificationBuilder function of CarrierServiceStateTracker.java in Android.

What is CVE-2020-0397?

Vulnerability in getNotificationBuilder could result in a permission bypass via an unsafe PendingIntent.
Exploitation may lead to local information disclosure without requiring user interaction.

The Impact of CVE-2020-0397

Affected Product: Android
Affected Versions: Android-8.1, Android-9, Android-10, Android-11, Android-8.0
Severity: Information disclosure

Technical Details of CVE-2020-0397

The technical details of the vulnerability are as follows:

Vulnerability Description

Vulnerability in getNotificationBuilder of CarrierServiceStateTracker.java
Possible permission bypass due to an unsafe PendingIntent

Affected Systems and Versions

Affected Product: Android
Affected Versions: Android-8.1, Android-9, Android-10, Android-11, Android-8.0

Exploitation Mechanism

Attacker can exploit the vulnerability without requiring user interaction
Execution privileges needed for local information disclosure

Mitigation and Prevention

It is crucial to take immediate steps to address and prevent exploitation of this vulnerability.

Immediate Steps to Take

Apply security patches provided by Android
Monitor for any unusual activity that might indicate exploitation

Long-Term Security Practices

Regularly update Android devices with the latest security patches
Enforce app security best practices to minimize risks

Patching and Updates

Ensure timely patching and updating of Android systems with the latest security fixes to mitigate the risk of exploitation.