ESB-2019.0688 - [RedHat] redhat-virtualization-host: Multiple vulnerabilities 2019-03-06

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2019.0688
           Important: redhat-virtualization-host security update
                               6 March 2019

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           redhat-virtualization-host
Publisher:         Red Hat
Operating System:  Red Hat Enterprise Linux Server 7
                   Red Hat Enterprise Linux WS/Desktop 7
Impact/Access:     Root Compromise   -- Existing Account
                   Denial of Service -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2019-6454 CVE-2019-3831 CVE-2019-3813

Reference:         ESB-2019.0670
                   ESB-2019.0595
                   ESB-2019.0512
                   ESB-2019.0510.2
                   ESB-2019.0404

Original Bulletin: 
   https://access.redhat.com/errata/RHSA-2019:0457

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                   Red Hat Security Advisory

Synopsis:          Important: redhat-virtualization-host security update
Advisory ID:       RHSA-2019:0457-01
Product:           Red Hat Virtualization
Advisory URL:      https://access.redhat.com/errata/RHSA-2019:0457
Issue date:        2019-03-05
CVE Names:         CVE-2019-3813 CVE-2019-3831 CVE-2019-6454 
=====================================================================

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:
redhat-release-virtualization-host (4.2), redhat-virtualization-host (4.2).
(BZ#1678629, BZ#1679414)

Security Fix(es):

* spice: Off-by-one error in array access in spice/server/memslot.c
(CVE-2019-3813)

* systemd: Insufficient input validation in bus_process_object() resulting
in PID 1 crash (CVE-2019-6454)

* vdsm: privilege escalation to root via systemd_run (CVE-2019-3831)

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/):

1665371 - CVE-2019-3813 spice: Off-by-one error in array access in spice/server/memslot.c
1667032 - CVE-2019-6454 systemd: Insufficient input validation in bus_process_object() resulting in PID 1 crash
1677108 - CVE-2019-3831 vdsm: privilege escalation to root via systemd_run
1677667 - Tracker for RHV-H 4.2.8 Async #3

6. Package List:

Red Hat Virtualization 4 Hypervisor for RHEL 7:

Source:
redhat-virtualization-host-4.2-20190219.0.el7_6.src.rpm

noarch:
redhat-virtualization-host-image-update-4.2-20190219.0.el7_6.noarch.rpm

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

Source:
redhat-release-virtualization-host-4.2-8.3.el7.src.rpm

noarch:
redhat-virtualization-host-image-update-placeholder-4.2-8.3.el7.noarch.rpm

x86_64:
redhat-release-virtualization-host-4.2-8.3.el7.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-2019-3813
https://access.redhat.com/security/cve/CVE-2019-3831
https://access.redhat.com/security/cve/CVE-2019-6454
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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