SB2022021510 - Multiple vulnerabilities in VMWare Workstation and Fusion

Description

This security bulletin contains information about 2 secuirty vulnerabilities.

1) Use-after-free (CVE-ID: CVE-2021-22040)

The vulnerability allows a remote user to compromise the affected system.

The vulnerability exists due to a use-after-free error in the XHCI USB controller. A remote user with administrative permissions on the guest OS can trigger a use-after-free error and execute arbitrary code as the virtual machine's VMX process running on the host.

Successful exploitation of the vulnerability may allow an attacker to compromise the hypervisor.

2) Race condition (CVE-ID: CVE-2021-22041)

The vulnerability allows a remote user to escalate privileges on the system.

The vulnerability exists due to a double-fetch vulnerability in the UHCI USB controller. A remote user with administrative permissions on the guest OS can trigger a race condition and execute arbitrary code as the virtual machine's VMX process running on the host.
Successful exploitation of the vulnerability may allow an attacker to compromise the hypervisor.

Remediation

Install update from vendor's website.

References

• https://www.vmware.com/security/advisories/VMSA-2022-0004.html