Learn about CVE-2021-37962, a 'Use after free' vulnerability in Google Chrome prior to 94.0.4606.54, allowing remote attackers to exploit heap corruption. Find out the impact, technical details, and mitigation steps.
This article provides detailed information about CVE-2021-37962, a vulnerability in Google Chrome prior to version 94.0.4606.54 that allowed a remote attacker to potentially exploit heap corruption.
Understanding CVE-2021-37962
CVE-2021-37962 is a 'Use after free' vulnerability in the Performance Manager of Google Chrome before version 94.0.4606.54. It enabled a remote attacker who had compromised the renderer process to exploit heap corruption using a crafted HTML page.
What is CVE-2021-37962?
The vulnerability in Performance Manager in Google Chrome versions prior to 94.0.4606.54 allowed a compromised renderer process to potentially exploit heap corruption through a specifically crafted HTML page.
The Impact of CVE-2021-37962
By exploiting this vulnerability, a remote attacker could potentially trigger heap corruption, leading to the execution of arbitrary code or a Denial of Service (DoS) attack. This could compromise the security and stability of the affected system.
Technical Details of CVE-2021-37962
This section outlines the key technical details of CVE-2021-37962.
Vulnerability Description
CVE-2021-37962 is classified as a 'Use after free' vulnerability, allowing an attacker to exploit heap corruption in Google Chrome prior to version 94.0.4606.54.
Affected Systems and Versions
Google Chrome versions earlier than 94.0.4606.54 are affected by CVE-2021-37962. Users of these versions are at risk of exploitation by remote attackers.
Exploitation Mechanism
The vulnerability is exploited by compromising the renderer process and executing a carefully crafted HTML page, triggering heap corruption in the Performance Manager.
Mitigation and Prevention
To address CVE-2021-37962 and enhance overall security, consider the following mitigation strategies.
Immediate Steps to Take
Users should update Google Chrome to version 94.0.4606.54 or later to mitigate the risk of exploitation. Additionally, exercise caution while browsing potentially malicious websites.
Long-Term Security Practices
Practicing good cybersecurity hygiene, such as keeping software up to date, using security tools, and avoiding suspicious links or downloads, can reduce the risk of similar vulnerabilities.
Patching and Updates
Regularly apply security patches and updates provided by Google Chrome to ensure that known vulnerabilities are addressed promptly.