CVE-2020-6540 : What You Need to Know
Learn about CVE-2020-6540, a heap buffer overflow vulnerability in Skia in Google Chrome before 84.0.4147.105, allowing remote attackers to exploit heap corruption via crafted HTML pages.
A buffer overflow vulnerability in Skia in Google Chrome before version 84.0.4147.105 could allow a remote attacker to exploit heap corruption via a specially crafted HTML page.
Understanding CVE-2020-6540
This CVE details a specific vulnerability in Google Chrome that could be exploited by an attacker to cause heap corruption.
What is CVE-2020-6540?
CVE-2020-6540 is a heap buffer overflow vulnerability in Skia in Google Chrome versions prior to 84.0.4147.105. This flaw could be abused by a remote attacker through a maliciously created HTML page.
The Impact of CVE-2020-6540
The vulnerability could potentially allow a remote attacker to execute arbitrary code or crash the application, leading to a denial of service (DoS) condition.
Technical Details of CVE-2020-6540
This section provides more in-depth technical information about the CVE.
Vulnerability Description
The vulnerability is a heap buffer overflow in Skia in Google Chrome, allowing potential exploitation of heap corruption.
Affected Systems and Versions
- Product: Chrome
- Vendor: Google
- Versions Affected: < 84.0.4147.105
Exploitation Mechanism
The vulnerability can be exploited by a remote attacker through a crafted HTML page to trigger heap corruption.
Mitigation and Prevention
Protecting systems from this vulnerability is crucial to maintaining security.
Immediate Steps to Take
- Update Google Chrome to version 84.0.4147.105 or later to mitigate the vulnerability.
- Avoid clicking on suspicious links or visiting untrusted websites.
- Implement network security measures to detect and block malicious traffic.
Long-Term Security Practices
- Regularly update software and applications to patch known vulnerabilities.
- Educate users about safe browsing practices and the importance of software updates.
- Employ security tools like antivirus programs and firewalls to enhance protection.
Patching and Updates
Ensure that all systems running Google Chrome are regularly updated with the latest security patches to address known vulnerabilities.