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Red Hat Enterprise Linux 7 Security Advisory: open-vm-tools Bypass Issue

red hat
Calendar Grey June 29, 2023
Dist Redhat Esm H88
Minor vulnerability patch and bug resolution for open-vm-tools on Red Hat Enterprise Linux 7, focusing on mitigating authentication exploitation.
An update for open-vm-tools is now available for Red Hat Enterprise Linux 7

Solution

Before applying this update, make sure all previously released errata relevant to your system have been applied.

For details on how to apply this update, refer to:

https://access.redhat.com/articles/11258

Summary

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.
Security Fix(es):
* open-vm-tools: authentication bypass vulnerability in the vgauth module (CVE-2023-20867)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Bug Fix(es):
* [ESXi] [RHEL7] vmtoolsd task is blocked in the uninterruptible state while attempting to delete (unlink) the file 'quiesce_manifest.xml' (BZ#1880404)
* [ESXi][RHEL7.9][open-vm-tools] Snapshot of the RHEL7 guest on the VMWare ESXi hypervisor failed vm hangs (BZ#1994590)

Topics%20covered

Topics Covered

security advisory update bug fix Red Hat Enterprise low severity authentication bypass open-vm-tools

References

https://access.redhat.com/security/cve/CVE-2023-20867 https://access.redhat.com/security/updates/classification#low

Package List

Red Hat Enterprise Linux Client (v. 7):
Source: open-vm-tools-11.0.5-3.el7_9.6.src.rpm
x86_64: open-vm-tools-11.0.5-3.el7_9.6.x86_64.rpm open-vm-tools-debuginfo-11.0.5-3.el7_9.6.x86_64.rpm open-vm-tools-desktop-11.0.5-3.el7_9.6.x86_64.rpm
Red Hat Enterprise Linux Client Optional (v. 7):
x86_64: open-vm-tools-debuginfo-11.0.5-3.el7_9.6.x86_64.rpm open-vm-tools-devel-11.0.5-3.el7_9.6.x86_64.rpm open-vm-tools-test-11.0.5-3.el7_9.6.x86_64.rpm
Red Hat Enterprise Linux ComputeNode (v. 7):
Source: open-vm-tools-11.0.5-3.el7_9.6.src.rpm
x86_64: open-vm-tools-11.0.5-3.el7_9.6.x86_64.rpm open-vm-tools-debuginfo-11.0.5-3.el7_9.6.x86_64.rpm open-vm-tools-desktop-11.0.5-3.el7_9.6.x86_64.rpm
Red Hat Enterprise Linux ComputeNode Optional (v. 7):
x86_64: open-vm-tools-debuginfo-11.0.5-3.el7_9.6.x86_64.rpm open-vm-tools-devel-11.0.5-3.el7_9.6.x86_64.rpm open-vm-tools-test-11.0.5-3.el7_9.6.x86_64.rpm
Red Hat Enterprise Linux Server (v. 7):
Source: open-vm-tools-11.0.5-3.el7_9.6.src.rpm
x86_64: open-vm-tools-11.0.5-3.el7_9.6.x86_64.rpm open-vm-tools-debuginfo-11.0.5-3.el7_9.6.x86_64.rpm open-vm-tools-desktop-11.0.5-3.el7_9.6.x86_64.rpm
Red Hat Enterprise Linux Server Optional (v. 7):
x86_64: open-vm-tools-debuginfo-11.0.5-3.el7_9.6.x86_64.rpm open-vm-tools-devel-11.0.5-3.el7_9.6.x86_64.rpm

Read the Full Advisory


Severity
low
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2023:3944-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2023:3944
Issue date: 2023-06-29

Topic

An update for open-vm-tools is now available for Red Hat Enterprise Linux7.Red Hat Product Security has rated this update as having a security impactof Low. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available for each vulnerability fromthe CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory update bug fix Red Hat Enterprise low severity authentication bypass open-vm-tools

Relevant Releases Architectures

Red Hat Enterprise Linux Client (v. 7) - x86_64

Red Hat Enterprise Linux Client Optional (v. 7) - x86_64

Red Hat Enterprise Linux ComputeNode (v. 7) - x86_64

Red Hat Enterprise Linux ComputeNode Optional (v. 7) - x86_64

Red Hat Enterprise Linux Server (v. 7) - x86_64

Red Hat Enterprise Linux Server Optional (v. 7) - x86_64

Red Hat Enterprise Linux Workstation (v. 7) - x86_64

Red Hat Enterprise Linux Workstation Optional (v. 7) - x86_64

Bugs Fixed

1994590 - [ESXi][RHEL7.9][open-vm-tools] Snapshot of the RHEL7 guest on the VMWare ESXi hypervisor failed vm hangs

2213087 - CVE-2023-20867 open-vm-tools: authentication bypass vulnerability in the vgauth module

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