CVE-2021-37982 : Vulnerability Insights and Analysis

A use after free vulnerability in Incognito mode in Google Chrome before version 95.0.4638.54 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Understanding CVE-2021-37982

This section provides insights into the impact, technical details, and mitigation strategies related to CVE-2021-37982.

What is CVE-2021-37982?

The CVE-2021-37982 vulnerability refers to a use after free flaw in Google Chrome's Incognito mode, enabling a remote attacker to trigger heap corruption by leveraging a specially crafted HTML page.

The Impact of CVE-2021-37982

The vulnerability poses a significant risk as it allows an attacker to exploit heap corruption, potentially leading to arbitrary code execution or a denial of service (DoS) condition on the affected system.

Technical Details of CVE-2021-37982

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

Vulnerability Description

CVE-2021-37982 is caused by a use after free issue in Google Chrome's Incognito mode, which could be exploited by a remote attacker to achieve heap corruption through malicious HTML content.

Affected Systems and Versions

Google Chrome versions prior to 95.0.4638.54 are impacted by this vulnerability when running in the Incognito mode.

Exploitation Mechanism

An attacker can exploit this vulnerability by enticing a user to visit a malicious website containing specially crafted HTML content that triggers the use after free flaw.

Mitigation and Prevention

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

Immediate Steps to Take

Users and administrators are advised to update Google Chrome to version 95.0.4638.54 or later to mitigate the CVE-2021-37982 vulnerability.

Long-Term Security Practices

Implementing secure browsing habits, such as avoiding untrusted websites and practicing caution with file downloads, can enhance overall system security.

Patching and Updates

Regularly check for and apply security updates provided by Google Chrome to address known vulnerabilities and protect against potential threats.