Debian DSA-5493-1 : open-vm-tools - security update

high Nessus Plugin ID 181211

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Synopsis

The remote Debian host is missing one or more security-related updates.

Description

The remote Debian 11 / 12 host has packages installed that are affected by multiple vulnerabilities as referenced in the dsa-5493 advisory.

- A fully compromised ESXi host can force VMware Tools to fail to authenticate host-to-guest operations, impacting the confidentiality and integrity of the guest virtual machine. (CVE-2023-20867)

- A malicious actor that has been granted Guest Operation Privileges https://docs.vmware.com/en/VMware- vSphere/8.0/vsphere-security/GUID-6A952214-0E5E-4CCF-9D2A-90948FF643EC.html in a target virtual machine may be able to elevate their privileges if that target virtual machine has been assigned a more privileged Guest Alias https://vdc-download.vmware.com/vmwb-repository/dcr- public/d1902b0e-d479-46bf-8ac9-cee0e31e8ec0/07ce8dbd- db48-4261-9b8f-c6d3ad8ba472/vim.vm.guest.AliasManager.html . (CVE-2023-20900)

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

Solution

Upgrade the open-vm-tools packages.

For the stable distribution (bookworm), these problems have been fixed in version 2

Plugin Details

Severity: High

ID: 181211

File Name: debian_DSA-5493.nasl

Version: 1.0

Type: local

Agent: unix

Family: Debian Local Security Checks

Published: 9/11/2023

Updated: 9/11/2023

Supported Sensors: Agentless Assessment, Frictionless Assessment Agent, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5.6

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

CVSS Score Source: CVE-2023-20900

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 7

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

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

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:open-vm-tools, p-cpe:/a:debian:debian_linux:open-vm-tools-containerinfo, p-cpe:/a:debian:debian_linux:open-vm-tools-desktop, p-cpe:/a:debian:debian_linux:open-vm-tools-dev, p-cpe:/a:debian:debian_linux:open-vm-tools-salt-minion, p-cpe:/a:debian:debian_linux:open-vm-tools-sdmp, cpe:/o:debian:debian_linux:11.0, cpe:/o:debian:debian_linux:12.0

Required KB Items: Host/local_checks_enabled, Host/Debian/release, Host/Debian/dpkg-l

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 9/10/2023

Vulnerability Publication Date: 6/13/2023

CISA Known Exploited Vulnerability Due Dates: 7/14/2023

Reference Information

CVE: CVE-2023-20867, CVE-2023-20900

Detections

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