CVE-2021-30562 : Vulnerability Insights and Analysis
Discover the details of CVE-2021-30562, a use after free vulnerability in WebSerial in Google Chrome versions prior to 91.0.4472.164. Learn about its impact, affected systems, and mitigation steps.
A use after free vulnerability in WebSerial in Google Chrome prior to version 91.0.4472.164 could allow a remote attacker to potentially exploit heap corruption via a crafted HTML page.
Understanding CVE-2021-30562
This section delves into the details of the CVE-2021-30562 vulnerability.
What is CVE-2021-30562?
The vulnerability CVE-2021-30562 is a use after free issue in WebSerial in Google Chrome versions earlier than 91.0.4472.164.
The Impact of CVE-2021-30562
Exploitation of this vulnerability can lead to potential heap corruption by a remote attacker through a specifically created HTML page.
Technical Details of CVE-2021-30562
In this section, we explore the technical aspects of CVE-2021-30562.
Vulnerability Description
The vulnerability involves a use after free scenario in WebSerial in Google Chrome versions below 91.0.4472.164.
Affected Systems and Versions
Google Chrome versions earlier than 91.0.4472.164 are impacted by this vulnerability, specifically affecting WebSerial functionality.
Exploitation Mechanism
A remote attacker can potentially exploit heap corruption through a malicious HTML page due to the use after free vulnerability.
Mitigation and Prevention
This section provides insights on mitigating the risks associated with CVE-2021-30562.
Immediate Steps to Take
Users should update their Google Chrome browser to version 91.0.4472.164 or newer to prevent exploitation of this vulnerability.
Long-Term Security Practices
Practicing safe browsing habits and being cautious while interacting with unknown websites can help mitigate such vulnerabilities.
Patching and Updates
Regularly updating Google Chrome to the latest available version is crucial in ensuring protection against known vulnerabilities like CVE-2021-30562.