CVE-2018-6142 : Vulnerability Insights and Analysis

Google Chrome before 67.0.3396.62 is affected by a vulnerability allowing a remote attacker to read memory outside permitted bounds via a crafted PDF file.

Understanding CVE-2018-6142

In versions of Google Chrome before 67.0.3396.62, an out of bounds read vulnerability in V8 could be exploited by a remote attacker.

What is CVE-2018-6142?

This CVE refers to an array bounds check failure in V8 in Google Chrome prior to version 67.0.3396.62, enabling a remote attacker to perform an out of bounds memory read through a specially crafted PDF file.

The Impact of CVE-2018-6142

A remote attacker could read memory outside of permitted bounds
Potential for unauthorized access to sensitive information

Technical Details of CVE-2018-6142

Vulnerability Description

The vulnerability in Google Chrome allows for an out of bounds memory read due to array bounds check failure in V8.

Affected Systems and Versions

Product: Chrome
Vendor: Google
Versions Affected: < 67.0.3396.62

Exploitation Mechanism

Exploited by a remote attacker using a specially crafted PDF file

Mitigation and Prevention

Immediate Steps to Take

Update Google Chrome to version 67.0.3396.62 or later
Avoid opening PDF files from untrusted sources

Long-Term Security Practices

Regularly update software and applications to the latest versions
Implement network security measures to detect and prevent unauthorized access

Patching and Updates

Google released a patch addressing this vulnerability in version 67.0.3396.62