CVE-2018-6118 : Security Advisory and Response

Google Chrome prior to version 66.0.3359.139 was vulnerable to a double-eviction in the cache of Incognito mode, leading to a user-after-free issue that could be exploited by an attacker to execute arbitrary code.

Understanding CVE-2018-6118

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

What is CVE-2018-6118?

A double-eviction in the cache of Incognito mode in Google Chrome before version 66.0.3359.139 allowed attackers to exploit a user-after-free issue, potentially leading to arbitrary code execution.

The Impact of CVE-2018-6118

The vulnerability could be exploited by an attacker who had already compromised the renderer process, enabling them to execute malicious code through a specially crafted HTML page.

Technical Details of CVE-2018-6118

Google Chrome vulnerability details.

Vulnerability Description

Before version 66.0.3359.139, a double-eviction in the cache of Incognito mode in Google Chrome led to a user-after-free issue, allowing for potential remote code execution.

Affected Systems and Versions

Product: Chrome
Vendor: Google
Versions Affected: < 66.0.3359.139

Exploitation Mechanism

The vulnerability could be exploited by an attacker who had already compromised the renderer process, leveraging a carefully constructed HTML page.

Mitigation and Prevention

Protecting systems from CVE-2018-6118.

Immediate Steps to Take

Update Google Chrome to version 66.0.3359.139 or newer.
Regularly monitor security advisories from Google.

Long-Term Security Practices

Implement secure coding practices to prevent similar vulnerabilities.
Conduct regular security assessments and penetration testing.

Patching and Updates

Apply security patches promptly.
Keep software and systems up to date to mitigate potential risks.