Learn about CVE-2021-21131, a security vulnerability in Google Chrome prior to version 88.0.4324.96 that allowed remote attackers to bypass filesystem restrictions.
A detailed overview of CVE-2021-21131, a vulnerability in Google Chrome that allowed a remote attacker to bypass filesystem restrictions via a crafted HTML page.
Understanding CVE-2021-21131
This section delves into the impact, technical details, and mitigation strategies related to CVE-2021-21131.
What is CVE-2021-21131?
CVE-2021-21131 refers to an insufficient policy enforcement vulnerability in the File System API in Google Chrome versions prior to 88.0.4324.96. This flaw enabled a remote attacker to bypass filesystem restrictions by using a specially crafted HTML page.
The Impact of CVE-2021-21131
The vulnerability allowed malicious actors to circumvent security restrictions, potentially leading to unauthorized access, data breaches, and other security compromises.
Technical Details of CVE-2021-21131
Explore the specifics of the vulnerability, including affected systems, exploitation mechanisms, and more.
Vulnerability Description
The insufficient policy enforcement in the File System API of Google Chrome enabled threat actors to evade filesystem controls using a malicious HTML page.
Affected Systems and Versions
Google Chrome versions prior to 88.0.4324.96 were impacted by this vulnerability.
Exploitation Mechanism
Remote attackers could exploit this flaw through a crafted HTML page to bypass filesystem restrictions and potentially launch malicious activities.
Mitigation and Prevention
Discover the necessary steps to address and prevent the exploitation of CVE-2021-21131.
Immediate Steps to Take
Users should update their Google Chrome browsers to version 88.0.4324.96 or later to mitigate the risk of exploitation.
Long-Term Security Practices
Regularly updating software, maintaining strong security protocols, and staying informed about potential threats are essential for long-term security.
Patching and Updates
Stay proactive by applying security patches, monitoring security advisories, and ensuring the timely installation of updates to protect against known vulnerabilities.