Input validation error in VMware Workstation and VMware Fusion - CVE-2019-5535

 

Input validation error in VMware Workstation and VMware Fusion - CVE-2019-5535

Published: September 21, 2019


Vulnerability identifier: #VU21242
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2019-5535
CWE-ID: CWE-20
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: VMware, Inc
Affected software:
VMware Workstation
VMware Fusion

Detailed vulnerability description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of IPV6 network traffic. A local user on guest OS can send specially crafted IPV6 packets  and disallow network connectivity for all guest machines using VMware NAT mode.

Successful exploitation of this vulnerability requires that VMNAT is enabled.


How to mitigate CVE-2019-5535

Install updates from vendor's website.

Sources