CVE-2020-6448 : Security Advisory and Response
Learn about CVE-2020-6448, a use after free vulnerability in Google Chrome before 81.0.4044.92 that could allow remote attackers to exploit heap corruption via crafted HTML pages. Find mitigation steps and prevention measures here.
A use after free vulnerability in V8 in Google Chrome before 81.0.4044.92 could allow a remote attacker to exploit heap corruption via a specially crafted HTML page.
Understanding CVE-2020-6448
What is CVE-2020-6448?
CVE-2020-6448 is a use after free vulnerability in the V8 engine of Google Chrome versions prior to 81.0.4044.92.
The Impact of CVE-2020-6448
This vulnerability could be exploited by a remote attacker to potentially corrupt the heap memory through a malicious HTML page.
Technical Details of CVE-2020-6448
Vulnerability Description
The vulnerability arises from improper handling of memory in the V8 engine, allowing an attacker to manipulate memory allocation.
Affected Systems and Versions
- Product: Chrome
- Vendor: Google
- Versions Affected: < 81.0.4044.92
Exploitation Mechanism
The vulnerability can be exploited by enticing a user to visit a malicious website or open a specially crafted HTML file.
Mitigation and Prevention
Immediate Steps to Take
- Update Google Chrome to version 81.0.4044.92 or later to mitigate the vulnerability.
- Avoid clicking on suspicious links or visiting untrusted websites.
Long-Term Security Practices
- Regularly update software and applications to the latest versions.
- Implement security best practices such as using strong passwords and enabling two-factor authentication.
Patching and Updates
Ensure timely installation of security patches and updates provided by Google Chrome to address known vulnerabilities.