RHEL 7 : openstack-nova (RHSA-2018:2714)

high Nessus Plugin ID 194032

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Synopsis

The remote Red Hat host is missing a security update for openstack-nova.

Description

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2018:2714 advisory.

OpenStack Compute (nova) launches and schedules large networks of virtual machines, creating a redundant and scalable cloud computing platform.
Compute provides the software, control panels, and APIs required to orchestrate a cloud, including running virtual machine instances and controlling access through users and projects.

Security Fix(es):

* openstack-nova: Swapping encrypted volumes can allow an attacker to corrupt the LUKS header causing a denial of service in the host (CVE-2017-18191)

For more details about the security issue, including the impact, a CVSS score, and other related information, refer to the CVE page listed in the References section.

Bug Fix(es):

* Previously, the MTU of TAP devices was not configured. As a result, the network could be configured with a different MTU than a guest TAP device.

With this update, you can configure libvirt when you create the TAP device for the guest. Nova passes the correct parameter to libvirt, and the TAP device now has the same configuration as the network.
(BZ#1553839)

* Previously, the MTU of TAP devices was not configured. As a result, the network could be configured with a different MTU than a guest TAP device.

With this update, you can configure libvirt when you create the TAP device for the guest. Nova passes the correct parameter to libvirt, and the TAP device now has the same configuration as the network.
(BZ#1553559)

* Previously, the '[vnc] keymap' option was 'en-us' by default, and it was not possible to unset this configuration. As a result of this, non-US locales experienced ineffective key mappings.

With this update, users can unset the '[vnc] keymap' value. In this case, the VNC client configures the locale and non-US users attain more effective key mappings. (BZ#1441962)

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Update the RHEL openstack-nova package based on the guidance in RHSA-2018:2714.

Plugin Details

Severity: High

ID: 194032

File Name: redhat-RHSA-2018-2714.nasl

Version: 1.1

Type: local

Agent: unix

Family: Red Hat Local Security Checks

Published: 4/27/2024

Updated: 6/3/2024

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

Vendor

Vendor Severity: Moderate

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.1

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C

CVSS Score Source: CVE-2017-18191

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.7

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:openstack-nova-common, p-cpe:/a:redhat:enterprise_linux:openstack-nova-compute, cpe:/o:redhat:enterprise_linux:7, p-cpe:/a:redhat:enterprise_linux:openstack-nova-cells, p-cpe:/a:redhat:enterprise_linux:openstack-nova-scheduler, p-cpe:/a:redhat:enterprise_linux:openstack-nova-novncproxy, p-cpe:/a:redhat:enterprise_linux:python-nova-tests, p-cpe:/a:redhat:enterprise_linux:openstack-nova, p-cpe:/a:redhat:enterprise_linux:openstack-nova-network, p-cpe:/a:redhat:enterprise_linux:openstack-nova-serialproxy, p-cpe:/a:redhat:enterprise_linux:python-nova, p-cpe:/a:redhat:enterprise_linux:openstack-nova-conductor, p-cpe:/a:redhat:enterprise_linux:openstack-nova-api, p-cpe:/a:redhat:enterprise_linux:openstack-nova-console, p-cpe:/a:redhat:enterprise_linux:openstack-nova-cert, p-cpe:/a:redhat:enterprise_linux:openstack-nova-placement-api, p-cpe:/a:redhat:enterprise_linux:openstack-nova-spicehtml5proxy, p-cpe:/a:redhat:enterprise_linux:openstack-nova-migration

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 9/17/2018

Vulnerability Publication Date: 2/19/2018

Reference Information

CVE: CVE-2017-18191

CWE: 20

RHSA: 2018:2714

Detections

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