CVE-2021-21225 : What You Need to Know
Learn about CVE-2021-21225, an out of bounds memory access vulnerability in V8 in Google Chrome versions prior to 90.0.4430.85, allowing remote attackers to exploit heap corruption.
Out of bounds memory access in V8 in Google Chrome prior to 90.0.4430.85 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.
Understanding CVE-2021-21225
This section delves into the details of CVE-2021-21225 vulnerability.
What is CVE-2021-21225?
The CVE-2021-21225 vulnerability is related to out of bounds memory access in V8 in Google Chrome versions prior to 90.0.4430.85. It enables a remote attacker to potentially exploit heap corruption through a specially crafted HTML page.
The Impact of CVE-2021-21225
The impact of this vulnerability is severe as it allows a remote attacker to corrupt the heap memory, leading to potential exploitation and unauthorized access to sensitive information.
Technical Details of CVE-2021-21225
In this section, we explore the technical aspects of CVE-2021-21225 vulnerability.
Vulnerability Description
The vulnerability arises from out of bounds memory access in V8, the JavaScript engine used in Google Chrome, before version 90.0.4430.85.
Affected Systems and Versions
Google Chrome versions earlier than 90.0.4430.85 are affected by this vulnerability, making them susceptible to remote attacks exploiting heap corruption.
Exploitation Mechanism
A remote attacker can exploit this vulnerability by enticing a user to visit a malicious website or open a crafted HTML page containing the exploit code.
Mitigation and Prevention
This section focuses on mitigating the risks posed by CVE-2021-21225 and preventing potential exploitation.
Immediate Steps to Take
Users should update their Google Chrome browser to version 90.0.4430.85 or later to mitigate the vulnerability and prevent potential exploitation.
Long-Term Security Practices
Regularly update software and browsers, exercise caution while browsing, and apply security best practices to minimize the risk of exploitation.
Patching and Updates
Stay informed about security updates from Google Chrome and promptly install patches to address known vulnerabilities.