CVE-2018-6088 : Security Advisory and Response

A vulnerability related to the invalidation of an iterator was discovered in PDFium, a component used in previous versions of Google Chrome (before 66.0.3359.117). This vulnerability allowed an attacker to remotely execute arbitrary code within a secure environment by exploiting a carefully crafted PDF file.

Understanding CVE-2018-6088

This CVE-2018-6088 vulnerability affects Google Chrome versions prior to 66.0.3359.117.

What is CVE-2018-6088?

CVE-2018-6088 is a security vulnerability in PDFium, a component used in earlier versions of Google Chrome. It involves the invalidation of an iterator, allowing remote attackers to execute arbitrary code through a specially crafted PDF file.

The Impact of CVE-2018-6088

The vulnerability could be exploited by attackers to execute malicious code remotely within a secure environment, potentially leading to unauthorized access or control of affected systems.

Technical Details of CVE-2018-6088

This section provides more technical insights into the CVE-2018-6088 vulnerability.

Vulnerability Description

The vulnerability in PDFium in Google Chrome before version 66.0.3359.117 allowed remote attackers to execute arbitrary code inside a sandbox by exploiting a crafted PDF file.

Affected Systems and Versions

Product: Chrome
Vendor: Google
Versions Affected: < 66.0.3359.117
Version Type: Custom

Exploitation Mechanism

The vulnerability stemmed from an iterator-invalidation bug in PDFium, enabling attackers to execute arbitrary code within a secure environment through a carefully crafted PDF file.

Mitigation and Prevention

To address CVE-2018-6088 and enhance system security, consider the following mitigation strategies:

Immediate Steps to Take

Update Google Chrome to version 66.0.3359.117 or later to mitigate the vulnerability.
Exercise caution when opening PDF files from untrusted or unknown sources.

Long-Term Security Practices

Regularly update software and applications to the latest versions to patch known vulnerabilities.
Implement robust security measures such as firewalls and antivirus software to prevent and detect potential threats.

Patching and Updates

Stay informed about security advisories and updates from Google Chrome to promptly apply patches for known vulnerabilities.