Heap-based buffer overflow in VMware, Inc products - CVE-2020-3971
Published: June 25, 2020
Vulnerability identifier: #VU29303
CSH Severity: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2020-3971
CWE-ID: CWE-122
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
VMware ESXi
VMware Fusion
VMware Workstation
Cloud Foundation
VMware ESXi
VMware Fusion
VMware Workstation
Cloud Foundation
Software vendor:
VMware, Inc
VMware, Inc
Description
The vulnerability allows a local attacker to gain access to sensitive information on the system.
The vulnerability exists due to a boundary error in the vmxnet3 virtual network adapter. A local attacker can pass specially crafted data to the applicatoin, trigger heap-based buffer overflow and read privileged information contained in hypervisor memory from a virtual machine.
Remediation
Install updates from vendor's website.