CVE-2018-6086 Explained : Impact and Mitigation

Google Chrome prior to version 66.0.3359.117 was affected by a user-after-free vulnerability in the Networking Disk Cache due to a double-eviction in the Incognito mode cache. This could allow a remote attacker to execute arbitrary code through a crafted HTML page.

Understanding CVE-2018-6086

This CVE details a critical vulnerability in Google Chrome that could lead to remote code execution.

What is CVE-2018-6086?

CVE-2018-6086 is a security vulnerability in Google Chrome versions prior to 66.0.3359.117 that enables a user-after-free exploit in the Networking Disk Cache.

The Impact of CVE-2018-6086

The vulnerability could be exploited by a remote attacker to execute arbitrary code by leveraging a carefully crafted HTML page.

Technical Details of CVE-2018-6086

Google Chrome's vulnerability is described in detail below.

Vulnerability Description

A double-eviction in the Incognito mode cache led to a user-after-free vulnerability in the Networking Disk Cache, allowing remote code execution.

Affected Systems and Versions

Product: Chrome
Vendor: Google
Versions Affected: < 66.0.3359.117

Exploitation Mechanism

The vulnerability could be exploited remotely by utilizing a specifically crafted HTML page.

Mitigation and Prevention

Protect your systems from CVE-2018-6086 with the following steps.

Immediate Steps to Take

Update Google Chrome to version 66.0.3359.117 or later.
Avoid visiting untrusted websites or clicking on suspicious links.
Implement network security measures to detect and block malicious activities.

Long-Term Security Practices

Regularly update all software and applications to the latest versions.
Educate users on safe browsing practices and the importance of cybersecurity awareness.
Consider using security tools like antivirus software and firewalls.

Patching and Updates

Ensure timely installation of security patches and updates for Google Chrome to mitigate the risk of exploitation.