CVE-2017-4937 : Vulnerability Insights and Analysis

A vulnerability was discovered in VMware Workstation and Horizon View Client for Windows that could allow unauthorized code execution or Denial of Service attacks.

Understanding CVE-2017-4937

This CVE identifies an out-of-bounds read vulnerability in VMware products, potentially leading to security breaches.

What is CVE-2017-4937?

The vulnerability affects VMware Workstation and Horizon View Client for Windows due to an issue in the JPEG2000 parser in the TPView.dll.

The Impact of CVE-2017-4937

If exploited, the vulnerability could enable a guest to execute unauthorized code or conduct a Denial of Service attack on the Windows OS where Workstation is installed. Similarly, Horizon View Client could allow unauthorized code execution or a Denial of Service attack on the Windows OS.

Technical Details of CVE-2017-4937

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The vulnerability is an out-of-bounds read issue in the JPEG2000 parser in the TPView.dll.

Affected Systems and Versions

VMware Workstation 12.x before 12.5.8
Horizon View Client for Windows 4.x before 4.6.1

Exploitation Mechanism

Exploitation is possible if virtual printing is enabled
Virtual printing is disabled by default on Workstation but enabled by default on Horizon View Client

Mitigation and Prevention

Steps to address and prevent the CVE-2017-4937 vulnerability.

Immediate Steps to Take

Disable virtual printing if not required
Apply the necessary patches and updates provided by VMware

Long-Term Security Practices

Regularly update VMware products to the latest versions
Implement network segmentation and access controls

Patching and Updates

VMware released patches to address the vulnerability
Ensure all affected systems are updated with the latest security fixes