CVE-2018-20073 : Security Advisory and Response

In Google Chrome versions prior to 72.0.3626.81, a vulnerability allowed a local attacker to access download URLs through the file system.

Understanding CVE-2018-20073

Inappropriate implementation in Google Chrome allowed attackers to retrieve download URLs.

What is CVE-2018-20073?

This CVE refers to a vulnerability in Google Chrome versions before 72.0.3626.81 that enabled attackers to exploit extended attributes in downloads to access download URLs.

The Impact of CVE-2018-20073

The vulnerability could be exploited by a local attacker within proximity to retrieve download URLs, potentially leading to unauthorized access to sensitive information.

Technical Details of CVE-2018-20073

Google Chrome vulnerability details.

Vulnerability Description

The issue stemmed from the improper use of extended attributes in downloads, allowing attackers to retrieve download URLs.

Affected Systems and Versions

Product: Chrome
Vendor: Google
Versions Affected: < 72.0.3626.81

Exploitation Mechanism

Attackers within proximity could exploit the vulnerability to access download URLs through the file system.

Mitigation and Prevention

Protecting systems from CVE-2018-20073.

Immediate Steps to Take

Update Google Chrome to version 72.0.3626.81 or higher to mitigate the vulnerability.
Regularly monitor for security advisories and updates from Google.

Long-Term Security Practices

Implement least privilege access to limit potential attack surfaces. Between Principle of Least Privilege and Regular Updates.

Patching and Updates

Apply security patches promptly to ensure systems are protected against known vulnerabilities.