An update is now available for Red Hat Virtualization Engine 4.3. 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
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Red Hat Security Advisory
Synopsis: Moderate: Red Hat Virtualization Engine security, bug fix and enhancement update
Advisory ID: RHSA-2020:0498-01
Product: Red Hat Virtualization
Advisory URL: https://access.redhat.com/errata/RHSA-2020:0498
Issue date: 2020-02-13
CVE Names: CVE-2019-19336
An update is now available for Red Hat Virtualization Engine 4.3.
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.
2. Relevant releases/architectures:
RHV-M 4.3 - noarch, x86_64
The org.ovirt.engine-root is a core component of oVirt.
The following packages have been upgraded to a later upstream version:
org.ovirt.engine-root (22.214.171.124), ovirt-engine-dwh (4.3.8),
ovirt-engine-metrics (126.96.36.199), ovirt-fast-forward-upgrade (1.0.0),
ovirt-imageio-common (1.5.3), ovirt-imageio-proxy (1.5.3), ovirt-web-ui
(1.6.0), rhv-log-collector-analyzer (0.2.15), v2v-conversion-host (1.16.0).
(BZ#1767333, BZ#1776722, BZ#1779587, BZ#1779631)
* ovirt-engine: response_type parameter allows reflected XSS
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.
* Previously, when a vNIC had two references to a VM, if the VM is a
template, one reference was used. Otherwise, the other reference was used.
This construct confused the constraint checker of the database and enabled
inconsistencies. Bug 1528316 and bug 1684586 disabled the check of this
constraint during upgrades. The current release fixes this issue by merging
both references into a single one, which has to be set. As a result, the
improved data structure in the database matches the database constraints
and prevents inconsistencies. (BZ#1688781)
* Previously, after using the REST API to create an affinity group, the
resulting group did not have the required labels, even though they were
defined in the request body. The current release fixes this issue so the
affinity group has the labels that were defined in the request body.
* Previously, when you deleted a snapshot of a VM with a LUN disk, its
image ID parsed incorrectly and used "mapper" as its value, which caused a
null pointer exception. The current release fixes this issue by avoiding
disks whose image ID parses as 'mapper' so deleting the VM snapshot is
* Prevously, upgrading RHV Manager from 4.2 to 4.3
ovirt-fast-forward-upgrade fails with a yum dependency error. The current
version fixes this issue. (BZ#1754979)
* Previously, when you used the VM Portal to create a Windows virtual
machine, it failed with the following error "CREATE_VM failed [Cannot add
VM. Invalid time zone for given OS type., Attribute: vmStatic]." The
Administration Portal did not have this issue. The current release fixes
this issue. (BZ#1773580)
* Normally, when the "UserSessionTimeOutInterval" is set to a negative
value such as "-1", the user remains logged into the VM Portal
indefinitely. However, in RHV version 188.8.131.52, a negative value
automatically logged the user out immediately. The current release fixes
this issue. (BZ#1757423)
* This release adds a new 'status' column to the affinity group table that
shows whether all of an affinity group's rules are satisfied (status = ok)
or not (status = broken). The "Enforcing" option does not affect this
* In this release, Metrics Store adds support for a flat DNS environment
without subdomains. This capability helps you satisfy security policies
that mandate having a "flat" DNS environment with no submains. To enable
this capability, you add a suffix to the master0 virtual machine when you
configure networking for Metrics Store virtual machines. For example, if
you set 'openshift_ovirt_machine_suffix' to 'prod' and 'public_hosted_zone'
is 'example.com', then the metrics store virtual machine will be called
* This release adds a new feature, rhv-image-discrepancies, which reports
discrepancies between images in the engine database and storage. The report
lists images that are present in one location but missing from the other.
Also, for images that are present in both locations, the report lists
discrepancies in the values of attributes such as status, parent_id, and
For details on how to apply this update, which includes the changes
described in this advisory, refer to:
5. Bugs fixed (https://bugzilla.redhat.com/):
1688781 - [downstream clone - 4.4.0] Upgrade from 4.3 to 4.4 will fail if there are versioned templates in database
1739106 - [RFE] Compare storage with database for discrepancies
1754979 - [ovirt-fast-forward-upgrade] Error: ovirt-engine-setup-plugin-ovirt-engine conflicts with ovirt-engine-184.108.40.206-0.1.el7ev.noarch
1757423 - Users immediately logged out from User portal due to negative UserSessionTimeOutInterval
1772506 - Fluentd error when stopping metrics services through playbook on 4.3
1773580 - [downstream clone - 4.3.8] From VM Portal, users cannot create Operating System Windows VM.
1773704 - engine-cleanup is removing all files listed in "uninstall.conf" irrespective of the options provided
1776722 - [Rebase] Rebase v2v-conversion-host for RHV 4.3.8 engine
1779587 - [Metrics] Rebase bug - for the 4.3.8 release
1779631 - [DWH] Rebase bug - for the 4.3.8 release
1779664 - MERGE_STATUS fails with 'Invalid UUID string: mapper' when Direct LUN that already exists is hot-plugged [RHV clone - 4.3.8]
1780234 - Metric Store reports all hosts in Default cluster regardless of cluster assignment.
1781001 - CVE-2019-19336 ovirt-engine: response_type parameter allows reflected XSS
1781380 - Rest API for creating affinity group with labels is resulted with the group created with missing labels [RHV clone - 4.3.8]
1782412 - [RFE] RHV+Metrics Store - Support a Flat DNS environment without subdomains
6. Package List:
These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
The Red Hat security contact is . More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2020 Red Hat, Inc.
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