CVE-2021-30592 : Vulnerability Insights and Analysis

Out of bounds write vulnerability in Tab Groups in Google Chrome prior to 92.0.4515.131 allowed an attacker to execute an out of bounds memory write through a malicious extension.

Understanding CVE-2021-30592

This CVE identifier pertains to an out of bounds write vulnerability in Google Chrome that could enable an attacker to manipulate memory through a crafted HTML page.

What is CVE-2021-30592?

The CVE-2021-30592 vulnerability refers to an out of bounds write issue existing in Tab Groups within Google Chrome versions earlier than 92.0.4515.131. This flaw could be exploited by a threat actor who convinces a user to install a malicious extension, enabling them to write beyond allocated memory boundaries.

The Impact of CVE-2021-30592

The impact of this vulnerability is severe as it allows an attacker to potentially execute arbitrary code, compromise user data, or even take control of affected systems. By exploiting this flaw, threat actors can bypass security mechanisms and carry out unauthorized actions.

Technical Details of CVE-2021-30592

This section delves into the specific technical aspects of the CVE-2021-30592 vulnerability.

Vulnerability Description

The vulnerability involves an out of bounds write issue in Tab Groups of Google Chrome versions before 92.0.4515.131. If a user is manipulated into installing a malicious extension, an attacker can conduct an out of bounds memory write using a specially crafted HTML page.

Affected Systems and Versions

Google Chrome versions prior to 92.0.4515.131 are susceptible to this vulnerability. Users with versions before the mentioned build are urged to update to a secure version immediately.

Exploitation Mechanism

To exploit CVE-2021-30592, an attacker must first persuade a user to install a malicious extension. Once the extension is installed, the attacker can leverage a crafted HTML page to perform an out of bounds memory write within Tab Groups, thereby manipulating system memory.

Mitigation and Prevention

This section provides insights into how organizations and users can mitigate the risks associated with CVE-2021-30592.

Immediate Steps to Take

Users are advised to update their Google Chrome to version 92.0.4515.131 or higher to patch the vulnerability. Additionally, caution should be exercised while installing browser extensions, ensuring their legitimacy and source.

Long-Term Security Practices

In the long term, users and organizations should prioritize regular software updates, security awareness training, and implementation of defense-in-depth strategies to bolster overall cybersecurity posture.

Patching and Updates

Regularly updating Google Chrome to the latest patched version is essential to safeguard systems against known vulnerabilities. Timely installation of security patches helps in mitigating risks and enhancing system security.