Learn about CVE-2021-21112, a critical use after free vulnerability in Google Chrome versions prior to 87.0.4280.141. Understand the impact, technical details, and mitigation steps here.
A detailed overview of CVE-2021-21112 highlighting the vulnerability discovered in Google Chrome.
Understanding CVE-2021-21112
In this section, we will delve into the specifics of CVE-2021-21112.
What is CVE-2021-21112?
The CVE-2021-21112 vulnerability involves a use after free issue in Blink in Google Chrome versions prior to 87.0.4280.141. This flaw could be exploited by a remote attacker through a specially crafted HTML page.
The Impact of CVE-2021-21112
The impact of this vulnerability could lead to potential heap corruption, putting user data at risk and allowing attackers to execute arbitrary code.
Technical Details of CVE-2021-21112
This section will provide technical insights into CVE-2021-21112.
Vulnerability Description
CVE-2021-21112 is categorized as a 'Use after free' vulnerability in the Blink component of Google Chrome, enabling attackers to manipulate heap memory.
Affected Systems and Versions
Google Chrome versions prior to 87.0.4280.141 are affected by CVE-2021-21112, making them vulnerable to exploitation.
Exploitation Mechanism
Attackers can exploit this vulnerability by tricking users into accessing a malicious website or opening a specially crafted HTML page, triggering the use after free issue.
Mitigation and Prevention
In this section, we will discuss measures to mitigate the risks associated with CVE-2021-21112.
Immediate Steps to Take
Users are advised to update Google Chrome to version 87.0.4280.141 or later to patch the vulnerability and prevent exploitation.
Long-Term Security Practices
It is recommended to regularly update browsers and software applications to ensure protection against known security vulnerabilities.
Patching and Updates
Stay informed about security updates released by Google Chrome and promptly apply patches to maintain a secure browsing environment.