CVE-2021-21202 : Vulnerability Insights and Analysis
Learn about CVE-2021-21202, a Google Chrome vulnerability before version 90.0.4430.72 allowing potential sandbox escapes via malicious extensions. Find mitigation steps here.
A detailed overview of CVE-2021-21202 impacting Google Chrome versions prior to 90.0.4430.72, allowing potential sandbox escapes through malicious extensions.
Understanding CVE-2021-21202
CVE-2021-21202 is a vulnerability in Google Chrome that enables a sandbox escape through malicious extensions, affecting versions before 90.0.4430.72.
What is CVE-2021-21202?
The vulnerability in Google Chrome prior to version 90.0.4430.72 allows an attacker to exploit a use after free issue in extensions. By convincing a user to install a malicious extension, the attacker could potentially perform a sandbox escape.
The Impact of CVE-2021-21202
The impact of this vulnerability is significant as it could lead to unauthorized access and potential exploitation of sensitive information through crafted Chrome Extensions.
Technical Details of CVE-2021-21202
This section covers the technical aspects of CVE-2021-21202 including the vulnerability description, affected systems, and exploitation mechanism.
Vulnerability Description
The vulnerability involves a use after free issue in extensions in Google Chrome, allowing an attacker to perform a sandbox escape via a malicious Chrome Extension.
Affected Systems and Versions
Google Chrome versions prior to 90.0.4430.72 are affected by this vulnerability, leaving them prone to exploitation via crafted extensions.
Exploitation Mechanism
To exploit this vulnerability, an attacker needs to persuade a user to install a malicious extension in Chrome, enabling them to perform a sandbox escape.
Mitigation and Prevention
Discover the steps to mitigate the impact of CVE-2021-21202 and prevent similar security risks in the future.
Immediate Steps to Take
Users are advised to update Google Chrome to version 90.0.4430.72 or later to patch the vulnerability and prevent potential sandbox escapes.
Long-Term Security Practices
Practicing safe browsing habits, being cautious with extension installations, and staying updated on security patches are crucial for long-term security.
Patching and Updates
Regularly installing updates for Google Chrome and other software is essential for safeguarding systems against known vulnerabilities.