CVE-2019-5826 Explained : Impact and Mitigation

A vulnerability related to the use after free in Chrome's IndexedDB feature prior to version 73.0.3683.86 enabled a possible heap corruption exploit when a remote attacker manipulated a specially crafted HTML page.

Understanding CVE-2019-5826

This CVE relates to a use after free vulnerability in Google Chrome.

What is CVE-2019-5826?

The vulnerability in Chrome's IndexedDB feature before version 73.0.3683.86 allowed a remote attacker, who controlled the renderer process, to exploit heap corruption via a crafted HTML page.

The Impact of CVE-2019-5826

A remote attacker could potentially execute arbitrary code on the affected system.
This vulnerability could lead to a compromise of sensitive information stored in the browser.

Technical Details of CVE-2019-5826

This section provides technical insights into the CVE.

Vulnerability Description

The vulnerability was due to a use after free issue in Chrome's IndexedDB feature.

Affected Systems and Versions

Product: Chrome
Vendor: Google
Versions Affected: < 73.0.3683.86

Exploitation Mechanism

Attackers gaining control over the renderer process could exploit the vulnerability using a specially crafted HTML page.

Mitigation and Prevention

Protective measures to address CVE-2019-5826.

Immediate Steps to Take

Update Chrome to version 73.0.3683.86 or later to mitigate the vulnerability.
Exercise caution while browsing and avoid clicking on suspicious links.

Long-Term Security Practices

Regularly update browsers and other software to patch known vulnerabilities.
Implement security best practices to prevent unauthorized access to systems.

Patching and Updates

Google released a fix in version 73.0.3683.86 to address this vulnerability.
Stay informed about security updates from Google to protect against future threats.