RHSA-2023:3944 - Security Advisory

Topic

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.

Description

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)

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

Affected Products

• Red Hat Enterprise Linux Server 7 x86_64
• Red Hat Enterprise Linux Server - Extended Life Cycle Support 7 x86_64
• Red Hat Enterprise Linux Workstation 7 x86_64
• Red Hat Enterprise Linux Desktop 7 x86_64
• Red Hat Enterprise Linux for Scientific Computing 7 x86_64

Fixes

• BZ - 1994590 - [ESXi][RHEL7.9][open-vm-tools] Snapshot of the RHEL7 guest on the VMWare ESXi hypervisor failed vm hangs
• BZ - 2213087 - CVE-2023-20867 open-vm-tools: authentication bypass vulnerability in the vgauth module

CVEs

• CVE-2023-20867

References

• https://access.redhat.com/security/updates/classification/#low