CVE-2021-0369 : Exploit Details and Defense Strategies

An informative and detailed article about CVE-2021-0369 affecting Android-11 due to a logic error in CrossProfileAppsServiceImpl.java.

Understanding CVE-2021-0369

This CVE involves a vulnerability in Android-11 that could allow local escalation of privilege by improper display of application grant state in the setting UI.

What is CVE-2021-0369?

The CVE-2021-0369 vulnerability in Android-11 stems from a logic error in CrossProfileAppsServiceImpl.java, potentially leading to local privilege escalation without requiring additional execution privileges.

The Impact of CVE-2021-0369

The vulnerability could be exploited by an attacker to alter the display of application grant states, leading to a local escalation of privilege within the system.

Technical Details of CVE-2021-0369

In-depth technical insights into the vulnerability in Android-11.

Vulnerability Description

The issue arises from incorrect presentation of application grant states in the setting UI, allowing unauthorized privilege escalation.

Affected Systems and Versions

The vulnerability affects Android-11, specifically related to the handling of INTERACT_ACROSS_PROFILES grant state in CrossProfileAppsServiceImpl.java.

Exploitation Mechanism

By leveraging the logic error in the code, an attacker can manipulate the display of grant states to escalate privileges locally.

Mitigation and Prevention

Best practices to mitigate the risks associated with CVE-2021-0369.

Immediate Steps to Take

Users should ensure their devices are updated with the latest security patches from the vendor to address this vulnerability.

Long-Term Security Practices

Regularly update devices to secure the system against potential exploits and vulnerabilities.

Patching and Updates

Stay informed about security bulletins and apply timely patches issued by the vendor to safeguard against such vulnerabilities.