Learn about CVE-2021-4102, a Use after free vulnerability in Google Chrome prior to 96.0.4664.110 allowing remote attackers heap corruption via malicious HTML pages.
A vulnerability in Google Chrome prior to version 96.0.4664.110 could allow a remote attacker to exploit heap corruption via a crafted HTML page.
Understanding CVE-2021-4102
This section will provide insights into the nature and impact of the CVE-2021-4102 vulnerability.
What is CVE-2021-4102?
The CVE-2021-4102 vulnerability relates to a 'Use after free' issue in V8 within Google Chrome, potentially enabling a remote attacker to trigger heap corruption.
The Impact of CVE-2021-4102
The impact of this vulnerability is significant as it allows malicious actors to execute arbitrary code by leveraging the heap corruption exploit.
Technical Details of CVE-2021-4102
This section will delve into the technical aspects of the CVE-2021-4102 vulnerability.
Vulnerability Description
The vulnerability stems from improper handling of memory in V8 in Google Chrome versions prior to 96.0.4664.110, creating an avenue for heap corruption.
Affected Systems and Versions
Google Chrome versions less than 96.0.4664.110 are impacted by this vulnerability, highlighting the importance of updating to the latest version.
Exploitation Mechanism
By enticing a user to visit a maliciously crafted HTML page, an attacker can trigger the use after free vulnerability, leading to potential heap corruption.
Mitigation and Prevention
In this section, we will outline steps to mitigate and prevent exploitation of CVE-2021-4102.
Immediate Steps to Take
Users should update Google Chrome to version 96.0.4664.110 or later to patch the vulnerability and prevent exploitation.
Long-Term Security Practices
Maintaining regular software updates and security patches is crucial to safeguard systems against known vulnerabilities like CVE-2021-4102.
Patching and Updates
Regularly check for updates from Google Chrome and apply patches promptly to ensure protection against emerging threats.