Issued:
2018-07-31
Updated:
2018-07-31

RHSA-2018:2321 - Moderate: Red Hat Virtualization security, bug fix, and enhancement update

Synopsis

Moderate: Red Hat Virtualization security, bug fix, and enhancement update

Type/Severity

Security Advisory Moderate

Topic

An update for redhat-virtualization-host is now available for Red Hat Virtualization 4 for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of Moderate. 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 redhat-virtualization-host packages provide the Red Hat Virtualization Host. These packages include redhat-release-virtualization-host, ovirt-node, and rhev-hypervisor. Red Hat Virtualization Hosts (RHVH) are installed using a special build of Red Hat Enterprise Linux with only the packages required to host virtual machines. RHVH features a Cockpit user interface for monitoring the host's resources and performing administrative tasks.

The ovirt-node-ng packages provide the Red Hat Virtualization Host. These packages include redhat-release-virtualization-host, ovirt-node, and rhev-hypervisor. Red Hat Virtualization Hosts (RHVH) are installed using a special build of Red Hat Enterprise Linux with only the packages required to host virtual machines. RHVH features a Cockpit user interface for monitoring the host's resources and performing administrative tasks.

The following packages have been upgraded to a later upstream version: imgbased (1.0.22), redhat-release-virtualization-host (4.2), redhat-virtualization-host (4.2). (BZ#1596545, BZ#1607722, BZ#1607723)

Security Fix(es):

  • ansible: Inventory variables are loaded from current working directory when running ad-hoc command that can lead to code execution (CVE-2018-10874)

  • ansible: ansible.cfg is being read from current working directory allowing possible code execution (CVE-2018-10875)

For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.

Red Hat would like to thank Michael Scherer (OSAS) for reporting CVE-2018-10874. The CVE-2018-10875 issue was discovered by Brian Coca (Red Hat).

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

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

Affected Products

ProductVersionArch
Red Hat Virtualization4x86_64
Red Hat Virtualization Host4x86_64

Updated Packages

  • redhat-release-virtualization-host-4.2-5.0.el7.src.rpm
  • redhat-release-virtualization-host-4.2-5.0.el7.x86_64.rpm
  • redhat-virtualization-host-4.2-20180724.0.el7_5.src.rpm
  • imgbased-1.0.22-1.el7ev.src.rpm
  • imgbased-1.0.22-1.el7ev.noarch.rpm
  • python-imgbased-1.0.22-1.el7ev.noarch.rpm
  • redhat-virtualization-host-image-update-4.2-20180724.0.el7_5.noarch.rpm
  • redhat-virtualization-host-image-update-placeholder-4.2-5.0.el7.noarch.rpm

Fixes

CVEs

References

Additional information