CVE-2021-30552 : Vulnerability Insights and Analysis

Use after free in Extensions in Google Chrome prior to 91.0.4472.101 allowed an attacker who convinced a user to install a malicious extension to potentially exploit heap corruption via a crafted HTML page.

Understanding CVE-2021-30552

This CVE involves a 'Use after free' vulnerability in Google Chrome that could be exploited by convincing a user to install a malicious extension.

What is CVE-2021-30552?

The vulnerability in Google Chrome prior to version 91.0.4472.101 could allow an attacker to exploit heap corruption by executing malicious code via a crafted HTML page.

The Impact of CVE-2021-30552

If exploited, this vulnerability could lead to unauthorized execution of arbitrary code or Denial of Service (DoS) attacks, jeopardizing the security and stability of affected systems.

Technical Details of CVE-2021-30552

This section provides specific details about the vulnerability.

Vulnerability Description

CVE-2021-30552 is classified as a 'Use after free' vulnerability, enabling attackers to manipulate memory allocation in Google Chrome prior to version 91.0.4472.101.

Affected Systems and Versions

Google Chrome versions earlier than 91.0.4472.101 are vulnerable to this exploit, putting user systems at risk of compromise.

Exploitation Mechanism

By tricking users into installing a malicious extension, attackers can trigger the vulnerability and potentially execute arbitrary code through a meticulously crafted HTML page.

Mitigation and Prevention

To safeguard systems from CVE-2021-30552, certain steps need to be followed.

Immediate Steps to Take

Users should update Google Chrome to version 91.0.4472.101 or higher to mitigate the risks associated with this vulnerability. Avoid installing extensions from untrusted sources.

Long-Term Security Practices

Practicing cautious browsing habits, maintaining up-to-date security software, and verifying the legitimacy of Chrome extensions can help prevent similar security incidents.

Patching and Updates

Regularly check for security updates and patches released by Google Chrome to address vulnerabilities and strengthen the overall security posture of systems.