SB2019040106 - Multiple vulnerabilities in Vmware ESXi, Workstation and Fusion

Description

This security bulletin contains information about 2 secuirty vulnerabilities.

1) Buffer overflow (CVE-ID: CVE-2019-5518)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in the virtual USB 1.1 UHCI (Universal Host Controller Interface). An attacker with physical access to a virtual machine with a virtual USB controller present can trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

2) Time-of-check Time-of-use (TOCTOU) Race Condition (CVE-ID: CVE-2019-5519)

The vulnerability allows a local attacker to execute arbitrary code on the target system.

The vulnerabity exists due to the Time-of-check Time-of-use (TOCTOU) vulnerability in the virtual USB 1.1 UHCI (Universal Host Controller Interface). An attacker with physical access to a virtual machine with a virtual USB controller present can execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Remediation

Install update from vendor's website.

References

• https://www.vmware.com/security/advisories/VMSA-2019-0005.html