CVE-2021-21212 : Vulnerability Insights and Analysis

Google Chrome on ChromeOS prior to version 90.0.4430.72 is affected by a vulnerability that allows a remote attacker to potentially compromise WiFi connection security through a malicious Wireless Access Point (WAP).

Understanding CVE-2021-21212

This vulnerability in Google Chrome exists due to Incorrect security UI in Network Config UI.

What is CVE-2021-21212?

The CVE-2021-21212 vulnerability in Google Chrome on ChromeOS before 90.0.4430.72 allows a remote attacker to compromise WiFi connection security via a malicious WAP.

The Impact of CVE-2021-21212

The impact of this vulnerability is the potential compromise of WiFi connection security, posing a risk to user data and privacy.

Technical Details of CVE-2021-21212

This section covers the technical aspects related to CVE-2021-21212.

Vulnerability Description

The vulnerability arises from Incorrect security UI in Network Config UI in Google Chrome, which can be exploited by a remote attacker.

Affected Systems and Versions

Google Chrome on ChromeOS versions prior to 90.0.4430.72 are affected by this vulnerability.

Exploitation Mechanism

A remote attacker can exploit this vulnerability by deploying a malicious Wireless Access Point (WAP), potentially compromising WiFi connection security.

Mitigation and Prevention

To address CVE-2021-21212, users and administrators should take the following steps:

Immediate Steps to Take

Update Google Chrome to version 90.0.4430.72 or newer to mitigate the vulnerability.
Avoid connecting to unknown or untrusted Wireless Access Points (WAPs).

Long-Term Security Practices

Regularly update Google Chrome to the latest version to ensure protection against known vulnerabilities.
Implement strong WiFi security practices and use trusted networks.

Patching and Updates

Refer to the following advisories for patching and updates:

DSA-4906
GLSA-202104-08
FEDORA-2021-c3754414e7
FEDORA-2021-ff893e12c5
FEDORA-2021-35d2bb4627