CVE-2021-0979 : Exploit Details and Defense Strategies

Android 12 is affected by a vulnerability in isRequestPinItemSupported of ShortcutService.java, leading to a possible cross-user leak of packages due to a permissions bypass. This loophole could result in local information disclosure without additional execution privileges.

Understanding CVE-2021-0979

This section sheds light on the key details of CVE-2021-0979.

What is CVE-2021-0979?

CVE-2021-0979 involves a permissions bypass vulnerability in isRequestPinItemSupported of ShortcutService.java in Android 12. It allows a potential cross-user leak of packages.

The Impact of CVE-2021-0979

The vulnerability could enable local information disclosure without requiring user interaction, posing a risk of exposing sensitive data.

Technical Details of CVE-2021-0979

Let's delve deeper into the technical aspects of CVE-2021-0979.

Vulnerability Description

The issue arises in isRequestPinItemSupported of ShortcutService.java, opening a window for a cross-user package leak in Android 12.

Affected Systems and Versions

The affected product is Android, specifically version Android-12.

Exploitation Mechanism

The vulnerability allows a default launcher to support requests for pinned shortcuts, bypassing permissions and potentially disclosing local information.

Mitigation and Prevention

Explore the steps to mitigate the risks associated with CVE-2021-0979.

Immediate Steps to Take

Users are advised to stay informed about security bulletins and promptly apply patches and security updates issued by the provider to address the vulnerability.

Long-Term Security Practices

Implementing robust security protocols, conducting regular security audits, and monitoring for suspicious activities can fortify systems against potential threats.

Patching and Updates

Keep the operating system and software up to date to ensure that known vulnerabilities are patched and security gaps are minimized.