Race condition in VMware, Inc products - CVE-2020-3966

Vulnerability identifier: #VU29299

CSH Severity: Low

CVSS v4: 7.5 [CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2020-3966

CWE-ID: CWE-362

Exploitation vector: Local access

Exploit availability: No public exploit available

The vulnerability allows a local attacker to escalate privileges on the system.

The vulnerability exists due to a race condition in the USB 2.0 controller (EHCI). A local attacker can exploit the race, leading to heap-overflow and execute arbitrary code on the system.

Cloud Foundation
VMware Fusion
VMware Workstation
VMware ESXi
EMC Integrated Data Protection Appliance
PowerFlex rack

Install updates from vendor's website.

Cloud Foundation - update to 3.10
VMware ESXi - addressed in versions ESXi_7.0.0-1.20.16321839, ESXi650-202005401-SG, ESXi670-202004101-SG
VMware Fusion - update to 11.5.2
VMware Workstation - update to 15.5.2
EMC Integrated Data Protection Appliance - update to 2.6.0
PowerFlex rack - addressed in versions 3.3.8.1, 3.4.3.1, 3.5.3.1

• https://www.vmware.com/security/advisories/VMSA-2020-0015.html
• https://www.zerodayinitiative.com/advisories/ZDI-20-783/

• Race condition in VMware ESXi, Fusion, Workstation and Cloud Foundation
• Multiple vulnerabilities in Dell EMC Integrated Data Protection Appliance
• Multiple vulnerabilities in Dell EMC PowerFlex Rack