SB2020062518 - Multiple vulnerabilities in VMware ESXi, Fusion, Workstation and Cloud Foundation

Description

This security bulletin contains information about 3 secuirty vulnerabilities.

1) Use-after-free (CVE-ID: CVE-2020-3963)

The vulnerability allows a local attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error in PVNVRAM. A local attacker can read privileged information contained in hypervisor memory from a virtual machine.

2) Out-of-bounds read (CVE-ID: CVE-2020-3964)

The vulnerability allows a local attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition in the EHCI USB controller. A local attacker can trigger out-of-bounds read error and read contents of memory on the system.

3) Out-of-bounds read (CVE-ID: CVE-2020-3965)

The vulnerability allows a local attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition in the XHCI USB controller. A local attacker can trigger out-of-bounds read error and read contents of memory on the system.

Remediation

Install update from vendor's website.

References

• https://www.vmware.com/security/advisories/VMSA-2020-0015.html
• https://exchange.xforce.ibmcloud.com/vulnerabilities/183917
• https://exchange.xforce.ibmcloud.com/vulnerabilities/183918
• https://exchange.xforce.ibmcloud.com/vulnerabilities/183919