CVE-2021-4100 : What You Need to Know

An object lifecycle issue in ANGLE in Google Chrome prior to version 96.0.4664.110 could allow a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Understanding CVE-2021-4100

This section will provide insights into the impact, technical details, and mitigation strategies related to CVE-2021-4100.

What is CVE-2021-4100?

CVE-2021-4100 is an object lifecycle issue in the ANGLE component of Google Chrome before version 96.0.4664.110. This vulnerability could be exploited by a remote attacker through a specially crafted HTML page.

The Impact of CVE-2021-4100

The vulnerability could lead to heap corruption upon successful exploitation. A remote attacker could potentially execute arbitrary code on the target system, posing a significant security risk.

Technical Details of CVE-2021-4100

Let's delve into the specific technical aspects of this CVE.

Vulnerability Description

The vulnerability arises from an object lifecycle issue in the ANGLE component of Google Chrome. By leveraging this issue, an attacker could trigger heap corruption through a malicious HTML page.

Affected Systems and Versions

Google Chrome versions prior to 96.0.4664.110 are affected by this vulnerability. Users of such versions are at risk of exploitation by malicious actors.

Exploitation Mechanism

The exploitation involves crafting a specific HTML page to trigger heap corruption within the ANGLE component. This could enable the attacker to execute arbitrary code remotely.

Mitigation and Prevention

To safeguard systems from CVE-2021-4100, immediate actions and long-term security practices are essential.

Immediate Steps to Take

Users should update their Google Chrome to version 96.0.4664.110 or later to mitigate the vulnerability. It is crucial to apply security patches promptly and be cautious while browsing.

Long-Term Security Practices

In addition to patching, users are advised to practice good security hygiene, such as avoiding suspicious links and maintaining updated security software to prevent similar exploits in the future.

Patching and Updates

Regularly check for updates and apply patches from trusted sources to ensure that systems are protected against known vulnerabilities.