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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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