CVE-2021-21185 : What You Need to Know

A detailed overview of CVE-2021-21185, discussing the impact, technical details, and mitigation strategies.

Understanding CVE-2021-21185

This section covers the crucial information related to CVE-2021-21185.

What is CVE-2021-21185?

CVE-2021-21185 highlights insufficient policy enforcement in extensions in Google Chrome before version 89.0.4389.72, enabling attackers to acquire sensitive information by tricking users into installing a malicious extension.

The Impact of CVE-2021-21185

The vulnerability allowed threat actors to exploit a flaw in Chrome extensions, leading to unauthorized access to sensitive data through specially crafted Chrome Extensions.

Technical Details of CVE-2021-21185

Explore the technical aspects and intricacies of CVE-2021-21185.

Vulnerability Description

The vulnerability arises from the lack of robust policy enforcement within Chrome extensions, creating opportunities for attackers to compromise user data.

Affected Systems and Versions

Google Chrome versions prior to 89.0.4389.72 are susceptible to this vulnerability, potentially impacting users who install malicious extensions.

Exploitation Mechanism

By persuading users to install a crafted Chrome Extension, attackers can gain unauthorized access to sensitive information, exploiting the inadequate policy enforcement.

Mitigation and Prevention

Discover the essential steps to mitigate and prevent the exploitation of CVE-2021-21185.

Immediate Steps to Take

Users should update Google Chrome to version 89.0.4389.72 or higher, avoid installing untrusted extensions, and remain cautious while adding new browser extensions.

Long-Term Security Practices

Practicing secure browsing habits, regularly updating software, and conducting security audits for browser extensions can enhance long-term security posture.

Patching and Updates

Regularly check for security updates from Google Chrome, apply patches promptly, and follow best practices to safeguard against similar vulnerabilities.