Time-of-check Time-of-use (TOCTOU) Race Condition in VMware, Inc products - CVE-2019-5519
Published: October 30, 2019
Vulnerability identifier: #VU22409
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2019-5519
CWE-ID:
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: VMware, Inc
Affected software:
VMware Fusion
VMware Workstation
VMware ESXi
VMware Fusion
VMware Workstation
VMware ESXi
Detailed vulnerability description
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.
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.
How to mitigate CVE-2019-5519
Install updates from vendor's website.