RHEL 7 : Virtualization (RHSA-2018:2626)

High Nessus Plugin ID 117323

Synopsis

The remote Red Hat host is missing one or more security updates.

Description

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.

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 ovirt-node-ng 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.

Security Fix(es) :

* yum-utils: reposync: improper path validation may lead to directory traversal (CVE-2018-10897)

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

Red Hat would like to thank Jay Grizzard (Clover Network) and Aaron Levy (Clover Network) for reporting this issue.

Bug fix :

* This update rebases imgbased to version 1.0.24. This update fixes the issue with removing broken symlinks when synchronizing layers.
(BZ#1598781) (BZ# 1622025)

Solution

Update the affected packages.

See Also

https://access.redhat.com/errata/RHSA-2018:2626

https://access.redhat.com/security/cve/cve-2018-10897

Plugin Details

Severity: High

ID: 117323

File Name: redhat-RHSA-2018-2626.nasl

Version: 1.3

Type: local

Agent: unix

Published: 2018/09/06

Modified: 2018/11/10

Dependencies: 12634

Risk Information

Risk Factor: High

CVSS v2.0

Base Score: 9.3

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

CVSS v3.0

Base Score: 8.1

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

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:imgbased, p-cpe:/a:redhat:enterprise_linux:python-imgbased, p-cpe:/a:redhat:enterprise_linux:redhat-release-virtualization-host, p-cpe:/a:redhat:enterprise_linux:redhat-virtualization-host-image-update, p-cpe:/a:redhat:enterprise_linux:redhat-virtualization-host-image-update-placeholder, cpe:/o:redhat:enterprise_linux:7

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

Patch Publication Date: 2018/09/04

Reference Information

CVE: CVE-2018-10897

RHSA: 2018:2626