CVE-2019-5528 : Security Advisory and Response

VMware ESXi 6.5 suffers from a partial denial of service vulnerability in the hostd process. A patch named ESXi650-201907201-UG has been released to address this issue.

Understanding CVE-2019-5528

This CVE involves a partial denial of service vulnerability in VMware ESXi 6.5.

What is CVE-2019-5528?

The vulnerability affects the hostd process in VMware ESXi 6.5, potentially leading to a partial denial of service.

The Impact of CVE-2019-5528

The vulnerability could allow attackers to disrupt the normal operation of the hostd process, impacting the availability of the ESXi 6.5 system.

Technical Details of CVE-2019-5528

This section provides technical details about the vulnerability.

Vulnerability Description

The vulnerability is a partial denial of service issue in the hostd process of VMware ESXi 6.5.

Affected Systems and Versions

Product: ESXi
Vendor: VMware
Affected Version: ESXi 6.5 without patch ESXi650-201907201-UG

Exploitation Mechanism

Attackers can exploit this vulnerability to cause a partial denial of service by targeting the hostd process in ESXi 6.5.

Mitigation and Prevention

Steps to address and prevent exploitation of CVE-2019-5528.

Immediate Steps to Take

Apply the patch ESXi650-201907201-UG to mitigate the vulnerability.
Monitor system logs for any unusual activity that may indicate exploitation.

Long-Term Security Practices

Regularly update and patch VMware ESXi to prevent known vulnerabilities.
Implement network segmentation and access controls to limit exposure to potential attacks.

Patching and Updates

Ensure timely installation of security patches and updates provided by VMware to address vulnerabilities like CVE-2019-5528.