CVE-2021-21200 : What You Need to Know
Learn about CVE-2021-21200, an out of bounds read vulnerability in Google Chrome versions prior to 89.0.4389.72. Take immediate steps to update your browser for enhanced security.
A detailed article about the CVE-2021-21200 vulnerability in Google Chrome.
Understanding CVE-2021-21200
This section will provide insights into the nature of the vulnerability.
What is CVE-2021-21200?
CVE-2021-21200 is an 'Out of Bounds Read' vulnerability discovered in the WebUI Settings of Google Chrome versions prior to 89.0.4389.72. This vulnerability could allow a remote attacker to perform an out-of-bounds memory read through a maliciously crafted HTML page.
The Impact of CVE-2021-21200
The severity of this vulnerability is classified as Low by Chrome security but could still pose risks to user data security and system integrity.
Technical Details of CVE-2021-21200
In this section, we will delve into the technical aspects of the CVE-2021-21200 vulnerability.
Vulnerability Description
The vulnerability arises from an out-of-bounds memory read in the WebUI Settings of Google Chrome, enabling unauthorized access to sensitive information.
Affected Systems and Versions
Google Chrome versions before 89.0.4389.72 are impacted by this vulnerability, leaving users of these versions susceptible to exploitation.
Exploitation Mechanism
A remote attacker can exploit this vulnerability by sending a victim a specially crafted HTML page, triggering the out-of-bounds memory read and potentially compromising the target system.
Mitigation and Prevention
This section focuses on the steps that users and organizations can take to mitigate the risks posed by CVE-2021-21200.
Immediate Steps to Take
Users are advised to update their Google Chrome browser to version 89.0.4389.72 or above to patch the vulnerability and enhance system security.
Long-Term Security Practices
Practicing safe browsing habits, avoiding suspicious websites, and keeping software up to date are essential for long-term protection against such vulnerabilities.
Patching and Updates
Regularly checking for and applying software updates, especially security patches released by Google Chrome, is crucial to safeguarding against known vulnerabilities.