CVE-2019-5791 Explained : Impact and Mitigation

A vulnerability was found in the V8 engine used in Google Chrome versions prior to 73.0.3683.75. This vulnerability allowed a remote attacker to read out of bounds memory by leveraging improper optimization in the engine. This exploit could be carried out by making use of a specifically crafted HTML page.

Understanding CVE-2019-5791

This CVE pertains to a security vulnerability in Google Chrome that could be exploited by a remote attacker to perform out of bounds memory read.

What is CVE-2019-5791?

CVE-2019-5791 is a vulnerability in the V8 engine of Google Chrome versions prior to 73.0.3683.75, enabling a remote attacker to read out of bounds memory through a specially crafted HTML page.

The Impact of CVE-2019-5791

The vulnerability could lead to a security breach where a remote attacker gains unauthorized access to sensitive information by exploiting memory read vulnerabilities.

Technical Details of CVE-2019-5791

This section provides detailed technical information about the vulnerability.

Vulnerability Description

Inappropriate optimization in V8 in Google Chrome prior to 73.0.3683.75 allowed a remote attacker to perform an out of bounds memory read via a crafted HTML page.

Affected Systems and Versions

Product: Chrome
Vendor: Google
Versions Affected: prior to 73.0.3683.75

Exploitation Mechanism

The vulnerability could be exploited by a remote attacker through a specifically crafted HTML page to read out of bounds memory.

Mitigation and Prevention

Protective measures to mitigate the risks associated with CVE-2019-5791.

Immediate Steps to Take

Update Google Chrome to version 73.0.3683.75 or later to patch the vulnerability.
Avoid visiting untrusted websites or clicking on suspicious links.
Implement network security measures to detect and block malicious activities.

Long-Term Security Practices

Regularly update software and applications to the latest versions.
Educate users on safe browsing practices and cybersecurity awareness.
Employ security tools like antivirus software and firewalls to enhance protection.

Patching and Updates

Ensure timely installation of security patches and updates provided by Google Chrome to address known vulnerabilities.