CVE-2021-21213 : Security Advisory and Response
Discover the impact of CVE-2021-21213, a Use after free vulnerability in Google Chrome prior to 90.0.4430.72. Learn about the exploitation mechanism and mitigation steps.
A detailed overview of CVE-2021-21213, a vulnerability related to Google Chrome.
Understanding CVE-2021-21213
This section provides insights into the impact and technical details of the CVE.
What is CVE-2021-21213?
CVE-2021-21213 is a 'Use after free' vulnerability in WebMIDI in Google Chrome prior to version 90.0.4430.72. It allowed a remote attacker to potentially exploit heap corruption through a crafted HTML page.
The Impact of CVE-2021-21213
The vulnerability could be exploited by a remote attacker to cause heap corruption, potentially leading to unauthorized access or arbitrary code execution on the affected system.
Technical Details of CVE-2021-21213
Explore the specific technical aspects of CVE-2021-21213.
Vulnerability Description
CVE-2021-21213 involves a 'Use after free' issue in WebMIDI in Google Chrome, impacting versions prior to 90.0.4430.72. This flaw could be exploited by an attacker through a specially crafted HTML page.
Affected Systems and Versions
The vulnerability affects Google Chrome versions that are less than 90.0.4430.72. Users with prior versions are advised to update to the latest secure version.
Exploitation Mechanism
An attacker can exploit this vulnerability remotely by tricking a user into visiting a malicious webpage, leading to potential heap corruption and subsequent exploitation.
Mitigation and Prevention
Learn how to mitigate the risks associated with CVE-2021-21213 and prevent such vulnerabilities in the future.
Immediate Steps to Take
Users are advised to update their Google Chrome browser to version 90.0.4430.72 or later to prevent exploitation of this vulnerability. Regularly updating software is crucial for maintaining security.
Long-Term Security Practices
Implementing strong security practices, such as avoiding clicking on suspicious links or visiting untrusted websites, can help prevent similar vulnerabilities in the future.
Patching and Updates
Stay informed about security updates for Google Chrome and apply patches promptly to protect against known vulnerabilities.