CVE-2021-0351 Explained : Impact and Mitigation

This article provides detailed information about CVE-2021-0351, a vulnerability in the Android operating system's wlan driver that could lead to a denial of service attack.

Understanding CVE-2021-0351

This section delves into the impact, technical details, and mitigation strategies related to CVE-2021-0351.

What is CVE-2021-0351?

CVE-2021-0351 is a vulnerability in the wlan driver of the Android operating system that lacks proper bounds checking. This flaw allows attackers to cause a system crash, resulting in a denial of service attack without requiring user interaction.

The Impact of CVE-2021-0351

The vulnerability poses a risk of remote denial of service, potentially affecting Android versions 8.1, 9, 10, and 11. Exploitation can occur without the need for additional execution privileges.

Technical Details of CVE-2021-0351

This section covers the vulnerability description, affected systems, versions, and the exploitation mechanism.

Vulnerability Description

The vulnerability in the wlan driver of Android leads to a system crash due to a missing bounds check, enabling remote denial of service attacks without user interaction.

Affected Systems and Versions

Systems running Android versions 8.1, 9, 10, and 11 are affected by CVE-2021-0351 due to the identified vulnerability in the wlan driver.

Exploitation Mechanism

The vulnerability allows threat actors to exploit the lack of bounds checking in the wlan driver, leading to system crashes and potential denial of service attacks.

Mitigation and Prevention

In this section, you will find information on immediate steps to take and long-term security practices.

Immediate Steps to Take

Users are advised to apply relevant patches and security updates to mitigate the risk of exploitation through CVE-2021-0351.

Long-Term Security Practices

Implementing secure coding practices, regular security audits, and staying updated with vendor patches can help prevent similar vulnerabilities in the future.

Patching and Updates

It is crucial for users to install the patches provided by Android to address the vulnerability in the wlan driver and protect their systems.