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====================================================================                   
Red Hat Security Advisory

Synopsis:          Important: Red Hat Virtualization security update
Advisory ID:       RHSA-2019:2437-01
Product:           Red Hat Virtualization
Advisory URL:      https://access.redhat.com/errata/RHSA-2019:2437
Issue date:        2019-08-12
CVE Names:         CVE-2018-16838 CVE-2018-16881 CVE-2019-0161
                   CVE-2019-1559 CVE-2019-10139 CVE-2019-10160
====================================================================
1. Summary:

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 Important. 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:

RHEL 7-based RHEV-H for RHEV 4 (build requirements) - noarch, x86_64
Red Hat Virtualization 4 Hypervisor for RHEL 7 - noarch

3. 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 following packages have been upgraded to a later upstream version:
imgbased (1.1.9), ovirt-node-ng (4.3.5), redhat-release-virtualization-host
(4.3.5), redhat-virtualization-host (4.3.5). (BZ#1669357, BZ#1669365,
BZ#1684986, BZ#1711193, BZ#1717250, BZ#1726917)

Security Fix(es):

* python: regression of CVE-2019-9636 due to functional fix to allow port
numbers in netloc (CVE-2019-10160)

* rsyslog: imptcp: integer overflow when Octet-Counted TCP Framing is
enabled (CVE-2018-16881)

* edk2: stack overflow in XHCI causing denial of service (CVE-2019-0161)

* openssl: 0-byte record padding oracle (CVE-2019-1559)

* cockpit-ovirt: admin and appliance passwords saved in plain text variable
file during HE deployment (CVE-2019-10139)

* sssd: improper implementation of GPOs due to too restrictive permissions
(CVE-2018-16838)

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.

4. Solution:

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

https://access.redhat.com/articles/2974891

5. Bugs fixed (https://bugzilla.redhat.com/):

1640820 - CVE-2018-16838 sssd: improper implementation of GPOs due to too restrictive permissions
1658366 - CVE-2018-16881 rsyslog: imptcp: integer overflow when Octet-Counted TCP Framing is enabled
1683804 - CVE-2019-1559 openssl: 0-byte record padding oracle
1687920 - RHVH fails to reinstall if required size is exceeding the available disk space due to anaconda bug
1694065 - CVE-2019-0161 edk2: stack overflow in XHCI causing denial of service
1702223 - Rebase RHV-H on RHEL 7.7
1709829 - CVE-2019-10139 cockpit-ovirt: admin and appliance passwords saved in plain text variable file during HE deployment
1718388 - CVE-2019-10160 python: regression of CVE-2019-9636 due to functional fix to allow port numbers in netloc
1720156 - RHVH 4.3.4 version info is incorrect in plymouth and "/etc/os-release"
1720160 - RHVH 4.3.4: Incorrect info in /etc/system-release-cpe
1720310 - RHV-H post-installation scripts failing, due to existing tags
1720434 - RHVH 7.7 brand is wrong in Anaconda GUI.
1720435 - Failed to install RHVH 7.7
1720436 - RHVH 7.7 should based on RHEL 7.7 server but not workstation.
1724044 - Failed dependencies occur during install systemtap package.
1726534 - dhclient fails to load libdns-export.so.1102 after upgrade if the user installed library is not persisted on the new layer
1727007 - Update RHVH 7.7 branding with new Red Hat logo
1727859 - Failed to boot after upgrading a host with a custom kernel
1728998 - "nodectl info" displays error after RHVH installation
1729023 - The error message is inappropriate when run `imgbase layout --init` on current layout

6. Package List:

Red Hat Virtualization 4 Hypervisor for RHEL 7:

Source:
redhat-virtualization-host-4.3.5-20190722.0.el7_7.src.rpm

noarch:
redhat-virtualization-host-image-update-4.3.5-20190722.0.el7_7.noarch.rpm

RHEL 7-based RHEV-H for RHEV 4 (build requirements):

Source:
imgbased-1.1.9-0.1.el7ev.src.rpm
ovirt-node-ng-4.3.5-0.20190717.0.el7ev.src.rpm
redhat-release-virtualization-host-4.3.5-2.el7ev.src.rpm

noarch:
imgbased-1.1.9-0.1.el7ev.noarch.rpm
ovirt-node-ng-nodectl-4.3.5-0.20190717.0.el7ev.noarch.rpm
python-imgbased-1.1.9-0.1.el7ev.noarch.rpm
python2-ovirt-node-ng-nodectl-4.3.5-0.20190717.0.el7ev.noarch.rpm
redhat-virtualization-host-image-update-placeholder-4.3.5-2.el7ev.noarch.rpm

x86_64:
redhat-release-virtualization-host-4.3.5-2.el7ev.x86_64.rpm

These packages are GPG signed by Red Hat for security.  Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/

7. References:

https://access.redhat.com/security/cve/CVE-2018-16838
https://access.redhat.com/security/cve/CVE-2018-16881
https://access.redhat.com/security/cve/CVE-2019-0161
https://access.redhat.com/security/cve/CVE-2019-1559
https://access.redhat.com/security/cve/CVE-2019-10139
https://access.redhat.com/security/cve/CVE-2019-10160
https://access.redhat.com/security/updates/classification/#important

8. Contact:

The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2019 Red Hat, Inc.
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