CVE-2020-6548 : Security Advisory and Response

Heap buffer overflow in Skia in Google Chrome prior to 84.0.4147.125 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Understanding CVE-2020-6548

What is CVE-2020-6548?

CVE-2020-6548 is a heap buffer overflow vulnerability in Skia in Google Chrome versions before 84.0.4147.125. This flaw could be exploited by a remote attacker who had compromised the renderer process.

The Impact of CVE-2020-6548

This vulnerability could allow an attacker to exploit heap corruption, potentially leading to arbitrary code execution or system compromise.

Technical Details of CVE-2020-6548

Vulnerability Description

The vulnerability is a heap buffer overflow in Skia in Google Chrome, enabling attackers to corrupt the heap via a specially crafted HTML page.

Affected Systems and Versions

Product: Chrome
Vendor: Google
Versions Affected: < 84.0.4147.125

Exploitation Mechanism

Attackers who have compromised the renderer process can exploit this vulnerability through a crafted HTML page.

Mitigation and Prevention

Immediate Steps to Take

Update Google Chrome to version 84.0.4147.125 or later to mitigate the vulnerability.
Exercise caution while browsing untrusted websites to minimize the risk of exploitation.

Long-Term Security Practices

Regularly update software and applications to patch known vulnerabilities.
Implement network security measures to detect and prevent malicious activities.

Patching and Updates

Stay informed about security advisories and apply patches promptly to secure systems.