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ESXi 7.0 DoS (VMSA-2020-0029)

medium Nessus Plugin ID 145090

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Synopsis

The remote VMware ESXi host is missing a security patch and is affected by a DoS vulnerability

Description

According to its self-reported version number, the remote VMware ESXi host is version 7.0. It is, therefore, affected by a DoS vulnerability due to improper input validation in GuestInfo. A malicious actor with normal user privilege access to a virtual machine can crash the virtual machine's vmx process leading to a denial of service condition.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Apply the appropriate patch as referenced in the vendor advisory.

See Also

https://www.vmware.com/security/advisories/VMSA-2020-0029.html

Plugin Details

Severity: Medium

ID: 145090

File Name: vmware_esxi_vmsa_2020_0029.nasl

Version: 1.2

Type: remote

Family: Misc.

Published: 1/20/2021

Updated: 1/21/2021

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Low

Base Score: 2.1

Temporal Score: 1.6

Vector: CVSS2#AV:L/AC:L/Au:N/C:N/I:N/A:P

CVSS Score Source: CVE-2020-3999

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.7

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:vmware:esxi

Required KB Items: Host/VMware/release, Host/VMware/version

Exploit Ease: No known exploits are available

Patch Publication Date: 12/17/2020

Vulnerability Publication Date: 12/17/2020

Reference Information

CVE: CVE-2020-3999

IAVA: 2021-A-0007

VMSA: 2020-0029