CVE-2021-0969 : Exploit Details and Defense Strategies

A vulnerability in getTitle of AccessPoint.java in Android versions 10 and 11 could allow a remote attacker to cause a denial of service without requiring additional execution privileges or user interaction.

Understanding CVE-2021-0969

This CVE affects Android devices running versions 10 and 11, potentially leading to a denial of service attack.

What is CVE-2021-0969?

The vulnerability lies in a missing null check in getTitle of AccessPoint.java, which could be exploited by a proximal Wi-Fi access point providing invalid information.

The Impact of CVE-2021-0969

If exploited, this vulnerability could result in a denial of service attack on the affected Android device without the need for user interaction or elevated privileges.

Technical Details of CVE-2021-0969

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The vulnerability arises from a missing null check ingetTitle of AccessPoint.java, allowing a proximal Wi-Fi AP to trigger a denial of service.

Affected Systems and Versions

Android versions 10 and 11 are affected by this vulnerability.

Exploitation Mechanism

A remote attacker could exploit this vulnerability by providing invalid information via a Wi-Fi access point, leading to a denial of service condition on the target device.

Mitigation and Prevention

Learn how to address and prevent the exploitation of CVE-2021-0969.

Immediate Steps to Take

Users are advised to apply security patches released by Google for affected Android versions.

Long-Term Security Practices

Adopting secure coding practices and regularly updating devices can help mitigate potential risks.

Patching and Updates

Regularly check for security updates from Google and apply them promptly to safeguard against this vulnerability.