CVE-2017-5091 Explained : Impact and Mitigation

Google Chrome prior to version 60.0.3112.78 for Linux, Android, Windows, and Mac was affected by a 'use after free' exploit in the IndexedDB feature. This vulnerability allowed remote attackers to read memory beyond its intended boundaries by exploiting a specially crafted HTML page.

Understanding CVE-2017-5091

A 'use after free' vulnerability in Google Chrome versions earlier than 60.0.3112.78 impacted various operating systems, including Linux, Android, Windows, and Mac.

What is CVE-2017-5091?

This CVE refers to a security flaw in Google Chrome that enabled remote attackers to perform out-of-bounds memory reads through a crafted HTML page.

The Impact of CVE-2017-5091

The vulnerability in IndexedDB could be exploited by malicious actors to access memory beyond its designated limits, potentially leading to unauthorized information disclosure or further attacks.

Technical Details of CVE-2017-5091

Google Chrome's vulnerability to a 'use after free' exploit in the IndexedDB feature had the following technical implications:

Vulnerability Description

The 'use after free' flaw in Google Chrome versions prior to 60.0.3112.78 allowed remote attackers to read memory beyond its intended boundaries by utilizing a specially crafted HTML page.

Affected Systems and Versions

Google Chrome versions earlier than 60.0.3112.78 for Linux, Android, Windows, and Mac

Exploitation Mechanism

Remote attackers could exploit the vulnerability by creating a malicious HTML page to trigger the 'use after free' condition in the IndexedDB feature.

Mitigation and Prevention

To address CVE-2017-5091 and enhance security measures, consider the following steps:

Immediate Steps to Take

Update Google Chrome to version 60.0.3112.78 or later to mitigate the vulnerability.
Avoid visiting untrusted websites or clicking on suspicious links to minimize the risk of exploitation.

Long-Term Security Practices

Regularly update software and applications to ensure the latest security patches are in place.
Implement robust cybersecurity measures, such as using firewalls and antivirus software, to protect against potential threats.

Patching and Updates

Stay informed about security advisories and updates from Google Chrome to promptly address any future vulnerabilities.