Discover details of CVE-2021-21125, a vulnerability in Google Chrome's File System API prior to 88.0.4324.96 allowing remote attackers to bypass filesystem restrictions via a crafted HTML page. Learn about the impact, technical details, affected systems, exploitation method, and mitigation steps.
A detailed overview of CVE-2021-21125, a vulnerability related to Google Chrome's File System API prior to version 88.0.4324.96.
Understanding CVE-2021-21125
This section covers the essentials of CVE-2021-21125.
What is CVE-2021-21125?
The vulnerability involves insufficient policy enforcement in Chrome's File System API on Windows systems before version 88.0.4324.96. This flaw could be exploited by a remote attacker through a specially crafted HTML page.
The Impact of CVE-2021-21125
The impact includes the bypassing of filesystem restrictions by malicious actors, potentially leading to unauthorized access or information disclosure.
Technical Details of CVE-2021-21125
Explore the technical aspects of CVE-2021-21125 in this section.
Vulnerability Description
Vulnerability stems from inadequate policy enforcement in Chrome's File System API, enabling threat actors to circumvent filesystem controls.
Affected Systems and Versions
Google Chrome versions before 88.0.4324.96 on Windows systems are vulnerable to this security issue.
Exploitation Mechanism
The vulnerability can be exploited remotely by leveraging a specifically crafted HTML page to bypass filesystem restrictions.
Mitigation and Prevention
Discover the steps to mitigate and prevent the CVE-2021-21125 vulnerability.
Immediate Steps to Take
Users should promptly update Google Chrome to version 88.0.4324.96 or later to eliminate the security flaw.
Long-Term Security Practices
Implement robust security practices such as avoiding suspicious websites and regularly updating Chrome to enhance overall security posture.
Patching and Updates
Stay informed about security patches and updates released by Google Chrome to address vulnerabilities like CVE-2021-21125.