Security
Headlines
HeadlinesLatestCVEs

Headline

Ubuntu Security Notice USN-6257-1

Ubuntu Security Notice 6257-1 - It was discovered that Open VM Tools incorrectly handled certain authentication requests. A fully compromised ESXi host can force Open VM Tools to fail to authenticate host-to-guest operations, impacting the confidentiality and integrity of the guest virtual machine.

Packet Storm
#vulnerability#mac#ubuntu#vmware#auth

==========================================================================
Ubuntu Security Notice USN-6257-1
July 27, 2023

open-vm-tools vulnerability

A security issue affects these releases of Ubuntu and its derivatives:

  • Ubuntu 23.04
  • Ubuntu 22.04 LTS
  • Ubuntu 20.04 LTS
  • Ubuntu 18.04 LTS (Available with Ubuntu Pro)
  • Ubuntu 16.04 LTS (Available with Ubuntu Pro)

Summary:

open-vm-tools could be made to bypass authentication.

Software Description:

  • open-vm-tools: Open VMware Tools for virtual machines hosted on VMware

Details:

It was discovered that Open VM Tools incorrectly handled certain
authentication requests. A fully compromised ESXi host can force Open VM
Tools to fail to authenticate host-to-guest operations, impacting the
confidentiality and integrity of the guest virtual machine. (CVE-2023-20867)

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 23.04:
open-vm-tools 2:12.1.5-3ubuntu0.23.04.1

Ubuntu 22.04 LTS:
open-vm-tools 2:12.1.5-3~ubuntu0.22.04.2

Ubuntu 20.04 LTS:
open-vm-tools 2:11.3.0-2ubuntu0~ubuntu20.04.5

Ubuntu 18.04 LTS (Available with Ubuntu Pro):
open-vm-tools 2:11.0.5-4ubuntu0.18.04.3+esm1

Ubuntu 16.04 LTS (Available with Ubuntu Pro):
open-vm-tools 2:10.2.0-3~ubuntu0.16.04.1+esm2

In general, a standard system update will make all the necessary changes.

References:
https://ubuntu.com/security/notices/USN-6257-1
CVE-2023-20867

Package Information:
https://launchpad.net/ubuntu/+source/open-vm-tools/2:12.1.5-3ubuntu0.23.04.1
https://launchpad.net/ubuntu/+source/open-vm-tools/2:12.1.5-3~ubuntu0.22.04.2
https://launchpad.net/ubuntu/+source/open-vm-tools/2:11.3.0-2ubuntu0~ubuntu20.04.5

Related news

Chinese Cyber Espionage Group Exploits Fortinet, Ivanti and VMware Zero-Days

The China-nexus cyber espionage actor linked to the zero-day exploitation of security flaws in Fortinet, Ivanti, and VMware devices has been observed utilizing multiple persistence mechanisms in order to maintain unfettered access to compromised environments. "Persistence mechanisms encompassed network devices, hypervisors, and virtual machines, ensuring alternative channels remain available

CVE-2023-30994: Security Bulletin: IBM QRadar SIEM includes components with known vulnerabilities

IBM QRadar SIEM 7.5.0 uses weaker than expected cryptographic algorithms that could allow an attacker to decrypt highly sensitive information. IBM X-Force ID: 254138

CVE-2023-39252: DSA-2023-321: Security Update for Dell Secure Connect Gateway Security Policy Manager Vulnerabilities

Dell SCG Policy Manager 5.16.00.14 contains a broken cryptographic algorithm vulnerability. A remote unauthenticated attacker may potentially exploit this vulnerability by performing MitM attacks and let attackers obtain sensitive information.

Red Hat Security Advisory 2023-3950-01

Red Hat Security Advisory 2023-3950-01 - The Open Virtual Machine Tools are the open source implementation of the VMware Tools. They are a set of guest operating system virtualization components that enhance performance and user experience of virtual machines. Issues addressed include a bypass vulnerability.

Red Hat Security Advisory 2023-3946-01

Red Hat Security Advisory 2023-3946-01 - The Open Virtual Machine Tools are the open source implementation of the VMware Tools. They are a set of guest operating system virtualization components that enhance performance and user experience of virtual machines. Issues addressed include a bypass vulnerability.

RHSA-2023:3950: Red Hat Security Advisory: open-vm-tools security update

An update for open-vm-tools is now available for Red Hat Enterprise Linux 8.6 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Low. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original. Related CVEs: * CVE-2023-20867: A flaw was found in the open-vm-tools package. An attacker with root access privileges over ESXi may be able to cause an authentication bypass in the vgauth module. This may lead to compromised confidentiality and integrity.

RHSA-2023:3949: Red Hat Security Advisory: open-vm-tools security update

An update for open-vm-tools is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Low. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original. Related CVEs: * CVE-2023-20867: A flaw was found in the open-vm-tools package. An attacker with root access privileges over ESXi may be able to cause an authentication bypass in the vgauth module. This may lead to compromised confidentiality and integrity.

RHSA-2023:3944: Red Hat Security Advisory: open-vm-tools security and bug fix update

An update for open-vm-tools is now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Low. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original. Related CVEs: * CVE-2023-20867: A flaw was found in the open-vm-tools package. An attacker with root access privileges over ESXi may be able to cause an authentication bypass in the vgauth module. This may lead to compromised confidentiality and integrity.

RHSA-2023:3948: Red Hat Security Advisory: open-vm-tools security update

An update for open-vm-tools is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Low. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original. Related CVEs: * CVE-2023-20867: A flaw was found in the open-vm-tools package. An attacker with root access privileges over ESXi may be able to cause an authentication bypass in the vgauth module. This may lead to compromised confidentiality and integrity.

RHSA-2023:3946: Red Hat Security Advisory: open-vm-tools security update

An update for open-vm-tools is now available for Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support, Red Hat Enterprise Linux 8.4 Telecommunications Update Service, and Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Low. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original. Related CVEs: * CVE-2023-20867: A flaw was found in the open-vm-tools package. An attacker with root access privileges over ESXi may be able to cause an authentication bypass in the vgauth module. This ma...

RHSA-2023:3945: Red Hat Security Advisory: open-vm-tools security update

An update for open-vm-tools is now available for Red Hat Enterprise Linux 8.2 Advanced Update Support, Red Hat Enterprise Linux 8.2 Telecommunications Update Service, and Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Low. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original. Related CVEs: * CVE-2023-20867: A flaw was found in the open-vm-tools package. An attacker with root access privileges over ESXi may be able to cause an authentication bypass in the vgauth module. This may lead to comprom...

CVE-2023-20867: VMSA-2023-0013

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.

Packet Storm: Latest News

TOR Virtual Network Tunneling Tool 0.4.8.13