CVE-2021-1025 : What You Need to Know

A vulnerability has been discovered in Android-12 that allows determination of installed apps without proper query permissions, potentially leading to local information disclosure.

Understanding CVE-2021-1025

This vulnerability, identified as CVE-2021-1025, poses a risk of information disclosure in Android-12.

What is CVE-2021-1025?

The vulnerability resides in the hasNamedWallpaper function of WallpaperManagerService.java, enabling unauthorized app detection without permission checks in Android-12.

The Impact of CVE-2021-1025

Exploitation of this flaw can result in local information disclosure without requiring additional execution privileges, and no user interaction is needed for potential exploitation.

Technical Details of CVE-2021-1025

Here are the technical details related to CVE-2021-1025:

Vulnerability Description

The vulnerability lies in the inability to enforce proper permission checks, leading to unauthorized app detection.

Affected Systems and Versions

The affected product is Android-12.

Exploitation Mechanism

The vulnerability allows for the determination of installed apps without query permissions.

Mitigation and Prevention

To mitigate the risks associated with CVE-2021-1025, consider the following measures:

Immediate Steps to Take

Ensure regular security updates and follow best practices for app permissions management.

Long-Term Security Practices

Implement robust permission checks and security protocols within your applications to prevent unauthorized access.

Patching and Updates

Stay updated on security bulletins from Android and apply relevant patches promptly for enhanced security.