CVE-2021-30522 : Vulnerability Insights and Analysis

Google Chrome prior to version 91.0.4472.77 is affected by a 'Use after free' vulnerability in WebAudio. This flaw could allow a remote attacker to exploit heap corruption via a specially crafted HTML page.

Understanding CVE-2021-30522

This CVE-2021-30522 vulnerability affects Google Chrome versions prior to 91.0.4472.77 due to a 'Use after free' issue in WebAudio.

What is CVE-2021-30522?

The CVE-2021-30522 vulnerability in Google Chrome allows a remote attacker to potentially exploit heap corruption by triggering a 'Use after free' flaw in the WebAudio component.

The Impact of CVE-2021-30522

The impact of CVE-2021-30522 could lead to remote code execution, enabling malicious actors to compromise the integrity and security of affected systems.

Technical Details of CVE-2021-30522

This section provides insight into the technical aspects of the CVE-2021-30522 vulnerability.

Vulnerability Description

The vulnerability arises from incorrect handling of memory in WebAudio, leading to a 'Use after free' condition that could be exploited by an attacker.

Affected Systems and Versions

Google Chrome versions prior to 91.0.4472.77 are vulnerable to this exploit, affecting users of the browser before the specified version.

Exploitation Mechanism

By enticing a user to visit a malicious website or open a specially crafted HTML page, an attacker can trigger the vulnerability, potentially resulting in heap corruption.

Mitigation and Prevention

To safeguard systems from CVE-2021-30522, immediate steps should be taken alongside long-term security practices and timely patching.

Immediate Steps to Take

Users are advised to update Google Chrome to version 91.0.4472.77 or later to mitigate the risk of exploitation associated with CVE-2021-30522.

Long-Term Security Practices

Employ robust security measures, such as using secure browsing habits, avoiding suspicious links, and keeping software up to date, to mitigate future vulnerabilities.

Patching and Updates

Regularly check for updates and security patches for Google Chrome to address known vulnerabilities and ensure a secure browsing experience.