CVE-2020-6389 : Exploit Details and Defense Strategies

Google Chrome prior to 80.0.3987.87 is affected by an out-of-bounds write vulnerability in WebRTC, potentially allowing remote attackers to exploit heap corruption via a crafted video stream.

Understanding CVE-2020-6389

This CVE involves a critical security issue in Google Chrome that could lead to remote code execution.

What is CVE-2020-6389?

The vulnerability in WebRTC in Google Chrome before version 80.0.3987.87 could be exploited by a remote attacker through a specially crafted video stream, potentially resulting in heap corruption.

The Impact of CVE-2020-6389

The vulnerability allows attackers to trigger heap corruption, which could lead to remote code execution or system crashes, posing a significant security risk to users.

Technical Details of CVE-2020-6389

Google Chrome's vulnerability details and affected systems.

Vulnerability Description

Type: Out-of-bounds write
Description: Allows a remote attacker to exploit heap corruption

Affected Systems and Versions

Product: Chrome
Vendor: Google
Versions Affected: < 80.0.3987.87

Exploitation Mechanism

Attack Vector: Crafted video stream
Impact: Potential heap corruption and remote code execution

Mitigation and Prevention

Steps to mitigate the CVE-2020-6389 vulnerability.

Immediate Steps to Take

Update Google Chrome to version 80.0.3987.87 or later
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 on safe browsing practices and cybersecurity awareness
Employ endpoint protection solutions to detect and prevent malicious activities

Patching and Updates

Google released a patch in version 80.0.3987.87 to address this vulnerability
Stay informed about security updates and apply them promptly to ensure protection