CVE-2021-38002 : Vulnerability Insights and Analysis

A detailed overview of CVE-2021-38002 affecting Google Chrome versions prior to 95.0.4638.69, allowing remote attackers to potentially perform a sandbox escape via a crafted HTML page.

Understanding CVE-2021-38002

This section covers the impact, technical details, and mitigation strategies related to CVE-2021-38002.

What is CVE-2021-38002?

CVE-2021-38002 is a 'Use after free' vulnerability in Web Transport in Google Chrome versions before 95.0.4638.69, which enables a remote attacker to execute arbitrary code or escape sandbox restrictions.

The Impact of CVE-2021-38002

The vulnerability in Google Chrome could result in a sandbox escape, allowing attackers to bypass security restrictions and potentially execute malicious code on the targeted system.

Technical Details of CVE-2021-38002

In this section, we delve into the vulnerability description, affected systems and versions, as well as the exploitation mechanism.

Vulnerability Description

The 'Use after free' flaw in Web Transport in Google Chrome could be exploited by a remote attacker through a specially crafted HTML page, leading to a potential sandbox escape.

Affected Systems and Versions

Google Chrome versions prior to 95.0.4638.69 are impacted by this vulnerability, putting users at risk of exploitation if not promptly addressed.

Exploitation Mechanism

By enticing a victim to visit a malicious webpage or click on a malicious link, an attacker could trigger the 'Use after free' vulnerability to execute arbitrary code and evade Chrome's sandboxing.

Mitigation and Prevention

This section outlines immediate steps to take, long-term security practices, and the importance of patching and updates.

Immediate Steps to Take

Users are advised to update Google Chrome to version 95.0.4638.69 or newer to mitigate the risk of exploitation. Additionally, exercising caution while browsing and avoiding suspicious links can enhance overall security.

Long-Term Security Practices

Practicing good cybersecurity hygiene, such as using strong passwords, implementing multi-factor authentication, and staying vigilant against social engineering tactics, can contribute to a more secure browsing experience.

Patching and Updates

Regularly installing security patches and updates from trusted sources, like official vendor websites, is crucial in safeguarding systems against known vulnerabilities like CVE-2021-38002.