CVE-2021-37992 : Vulnerability Insights and Analysis

WebAudio in Google Chrome prior to version 95.0.4638.54 is affected by an out-of-bounds read vulnerability. An attacker could exploit this flaw through a malicious HTML page, potentially leading to heap corruption.

Understanding CVE-2021-37992

This section provides insight into the impact, technical details, and mitigation strategies related to CVE-2021-37992.

What is CVE-2021-37992?

The CVE-2021-37992 vulnerability exists in WebAudio in Google Chrome versions before 95.0.4638.54, allowing a remote attacker to trigger heap corruption via a specially crafted HTML page.

The Impact of CVE-2021-37992

The out-of-bounds read vulnerability in WebAudio could be exploited by a remote attacker to potentially execute arbitrary code on a victim's system, leading to a compromise of sensitive information and system integrity.

Technical Details of CVE-2021-37992

In-depth technical information regarding the vulnerability, affected systems, and exploitation methods are discussed below.

Vulnerability Description

The vulnerability involves an out-of-bounds read issue in WebAudio, which can be triggered by an attacker via a malicious HTML page.

Affected Systems and Versions

Google Chrome versions prior to 95.0.4638.54 are affected by this vulnerability in the WebAudio component.

Exploitation Mechanism

A remote attacker can exploit this vulnerability by enticing a user to visit a specially crafted HTML page, triggering the out-of-bounds read and potentially leading to heap corruption.

Mitigation and Prevention

This section highlights immediate steps and long-term practices to enhance security and protect systems from CVE-2021-37992.

Immediate Steps to Take

Users are advised to update Google Chrome to version 95.0.4638.54 or newer to mitigate the vulnerability. Additionally, exercising caution when visiting untrusted websites can help prevent exploitation of this flaw.

Long-Term Security Practices

Regularly updating software, implementing security patches promptly, and maintaining strong cybersecurity hygiene habits are essential practices to prevent and mitigate vulnerabilities like CVE-2021-37992.

Patching and Updates

Google Chrome users should ensure that automatic updates are enabled to receive the latest security fixes and patches from the vendor, thereby staying protected against known vulnerabilities.