CVE-2021-0928 : Security Advisory and Response

A vulnerability in Android could allow for local escalation of privilege without requiring additional execution privileges, affecting versions Android-10, Android-11, and Android-9.

Understanding CVE-2021-0928

This CVE describes a potential parcel serialization/deserialization mismatch in createFromParcel of OutputConfiguration.java, enabling local privilege escalation.

What is CVE-2021-0928?

CVE-2021-0928 highlights an issue in Android where improper input validation could lead to privilege escalation locally, posing a security risk.

The Impact of CVE-2021-0928

This vulnerability could be exploited without user interaction, potentially allowing attackers to gain elevated privileges on affected devices.

Technical Details of CVE-2021-0928

This section dives deeper into the specifics of the vulnerability.

Vulnerability Description

The vulnerability arises from a mismatch in parcel serialization/deserialization in OutputConfiguration.java, enabling privilege escalation on Android devices.

Affected Systems and Versions

Android devices running versions Android-10, Android-11, and Android-9 are vulnerable to this exploit.

Exploitation Mechanism

Attackers can exploit this vulnerability to escalate privileges locally without requiring additional execution privileges.

Mitigation and Prevention

It's crucial to take immediate action to address and prevent the exploitation of CVE-2021-0928.

Immediate Steps to Take

Update affected devices to the latest Android security patches to mitigate the risk of privilege escalation.

Long-Term Security Practices

Adopting robust security practices, such as regular security updates and monitoring, can help prevent similar vulnerabilities in the future.

Patching and Updates

Stay informed about security bulletins and patches released by Android to protect against known vulnerabilities.