VMware Tools 11.x < 11.2.6 Privilege Escalation (VMSA-2021-0013)

high Nessus Plugin ID 151285

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Synopsis

A virtualization tool suite installed on the remote Windows host is affected by a privilege escalation vulnerability.

Description

The version of VMware Tools installed on the remote Windows host is 11.x prior to 11.2.6. It is, therefore, affected by a local privilege escalation vulnerability. An attacker with normal access to a virtual machine may exploit this issue by placing a malicious file renamed as 'openssl.cnf' in an unrestricted directory which would allow code to be executed with elevated privileges.

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

Solution

Upgrade to VMware Tools version 11.2.6 or later.

Plugin Details

Severity: High

ID: 151285

File Name: vmware_tools_win_vmsa_2021_0013.nasl

Version: 1.3

Type: local

Agent: windows

Family: Windows

Published: 7/2/2021

Updated: 5/30/2022

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 5.3

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

CVSS Score Source: CVE-2021-21999

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

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

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

Vulnerability Information

CPE: cpe:/a:vmware:tools

Required KB Items: SMB/Registry/Enumerated, installed_sw/VMware Tools, Host/ESXi/checked

Exploit Ease: No known exploits are available

Patch Publication Date: 4/29/2021

Vulnerability Publication Date: 6/22/2021

Reference Information

CVE: CVE-2021-21999

IAVB: 2021-B-0037-S

VMSA: VMSA-2021-0013

Detections

Analytics