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Red Hat Security Advisory 2019-0458-01

Red Hat Security Advisory 2019-0458-01
Posted Mar 5, 2019
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2019-0458-01 - The VDSM service is required by a Virtualization Manager to manage the Linux hosts. VDSM manages and monitors the host's storage, memory and networks as well as virtual machine creation, other host administration tasks, statistics gathering, and log collection. Issues addressed include a privilege escalation vulnerability.

tags | advisory
systems | linux, redhat
advisories | CVE-2019-3831
MD5 | 1fa5a141e0fa9c9bc9c96d486254ad19

Red Hat Security Advisory 2019-0458-01

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

Synopsis: Moderate: vdsm security and bug fix update
Advisory ID: RHSA-2019:0458-01
Product: Red Hat Virtualization
Advisory URL: https://access.redhat.com/errata/RHSA-2019:0458
Issue date: 2019-03-05
CVE Names: CVE-2019-3831
====================================================================
1. Summary:

An update for vdsm 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.

2. Relevant releases/architectures:

Red Hat Virtualization 4 Management Agent for RHEL 7 Hosts - noarch, ppc64le, x86_64

3. Description:

The VDSM service is required by a Virtualization Manager to manage the
Linux hosts. VDSM manages and monitors the host's storage, memory and
networks as well as virtual machine creation, other host administration
tasks, statistics gathering, and log collection.

The following packages have been upgraded to a later upstream version: vdsm
(4.20.47). (BZ#1677458)

Security Fix(es):

* 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.

Bug Fix(es):

* VDSM attempted to collect OpenStack related information, even on hosts
that are not connected to OpenStack, and displayed a repeated error message
in the system log. In this release, errors originating from OpenStack
related information are not recorded in the system log. As a result, the
system log is quieter. (BZ#1673765)

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/):

1673765 - Messages log spammed with ovs|00001|db_ctl_base|ERR|no key "odl_os_hostconfig_hostid"
1677108 - CVE-2019-3831 vdsm: privilege escalation to root via systemd_run

6. Package List:

Red Hat Virtualization 4 Management Agent for RHEL 7 Hosts:

Source:
vdsm-4.20.47-1.el7ev.src.rpm

noarch:
vdsm-api-4.20.47-1.el7ev.noarch.rpm
vdsm-client-4.20.47-1.el7ev.noarch.rpm
vdsm-common-4.20.47-1.el7ev.noarch.rpm
vdsm-hook-cpuflags-4.20.47-1.el7ev.noarch.rpm
vdsm-hook-ethtool-options-4.20.47-1.el7ev.noarch.rpm
vdsm-hook-fcoe-4.20.47-1.el7ev.noarch.rpm
vdsm-hook-localdisk-4.20.47-1.el7ev.noarch.rpm
vdsm-hook-macspoof-4.20.47-1.el7ev.noarch.rpm
vdsm-hook-nestedvt-4.20.47-1.el7ev.noarch.rpm
vdsm-hook-openstacknet-4.20.47-1.el7ev.noarch.rpm
vdsm-hook-vhostmd-4.20.47-1.el7ev.noarch.rpm
vdsm-hook-vmfex-dev-4.20.47-1.el7ev.noarch.rpm
vdsm-http-4.20.47-1.el7ev.noarch.rpm
vdsm-jsonrpc-4.20.47-1.el7ev.noarch.rpm
vdsm-python-4.20.47-1.el7ev.noarch.rpm
vdsm-yajsonrpc-4.20.47-1.el7ev.noarch.rpm

ppc64le:
vdsm-4.20.47-1.el7ev.ppc64le.rpm
vdsm-gluster-4.20.47-1.el7ev.ppc64le.rpm
vdsm-hook-checkips-4.20.47-1.el7ev.ppc64le.rpm
vdsm-hook-extra-ipv4-addrs-4.20.47-1.el7ev.ppc64le.rpm
vdsm-network-4.20.47-1.el7ev.ppc64le.rpm

x86_64:
vdsm-4.20.47-1.el7ev.x86_64.rpm
vdsm-gluster-4.20.47-1.el7ev.x86_64.rpm
vdsm-hook-checkips-4.20.47-1.el7ev.x86_64.rpm
vdsm-hook-extra-ipv4-addrs-4.20.47-1.el7ev.x86_64.rpm
vdsm-network-4.20.47-1.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-2019-3831
https://access.redhat.com/security/updates/classification/#moderate

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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