RHCOS 3 : OpenShift Container Platform 3.6 (RHSA-2018:1233)

high Nessus Plugin ID 312026

Synopsis

The remote Red Hat CoreOS host is missing a security update for OpenShift Container Platform 3.6.

Description

The remote Red Hat Enterprise Linux CoreOS 3 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2018:1233 advisory.

- source-to-image: Improper path sanitization in ExtractTarStreamFromTarReader in tar/tar.go (CVE-2018-1102)

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 RHCOS OpenShift Container Platform 3.6 package based on the guidance in RHSA-2018:1233.

Plugin Details

Severity: High

ID: 312026

File Name: rhcos-RHSA-2018-1233.nasl

Version: 1.1

Type: Local

Agent: unix

Family: Red Hat Local Security Checks

Published: 5/4/2026

Updated: 5/4/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

Vendor

Vendor Severity: Critical

CVSS v2

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 4.8

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

CVSS Score Source: CVE-2018-1102

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.7

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

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

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:atomic-openshift-cluster-capacity, p-cpe:/a:redhat:enterprise_linux:rubygem-multi_json, p-cpe:/a:redhat:enterprise_linux:rubygem-fluent-plugin-kubernetes_metadata_filter-doc, p-cpe:/a:redhat:enterprise_linux:rubygem-unf_ext-doc, p-cpe:/a:redhat:enterprise_linux:atomic-openshift-clients-redistributable, p-cpe:/a:redhat:enterprise_linux:atomic-openshift-dockerregistry, p-cpe:/a:redhat:enterprise_linux:atomic-openshift-service-catalog, p-cpe:/a:redhat:enterprise_linux:rubygem-msgpack, p-cpe:/a:redhat:enterprise_linux:rubygem-unf_ext, p-cpe:/a:redhat:enterprise_linux:rubygem-minitest-doc, p-cpe:/a:redhat:enterprise_linux:atomic-openshift-sdn-ovs, p-cpe:/a:redhat:enterprise_linux:atomic-openshift-excluder, p-cpe:/a:redhat:enterprise_linux:rubygem-excon-doc, p-cpe:/a:redhat:enterprise_linux:rubygem-fluent-plugin-kubernetes_metadata_filter, p-cpe:/a:redhat:enterprise_linux:rubygem-tzinfo-data, p-cpe:/a:redhat:enterprise_linux:rubygem-tzinfo-doc, p-cpe:/a:redhat:enterprise_linux:rubygem-faraday, p-cpe:/a:redhat:enterprise_linux:rubygem-systemd-journal, p-cpe:/a:redhat:enterprise_linux:rubygem-multi_json-doc, p-cpe:/a:redhat:enterprise_linux:atomic-openshift-docker-excluder, p-cpe:/a:redhat:enterprise_linux:atomic-openshift-master, p-cpe:/a:redhat:enterprise_linux:rubygem-excon, p-cpe:/a:redhat:enterprise_linux:atomic-openshift-pod, p-cpe:/a:redhat:enterprise_linux:atomic-openshift, p-cpe:/a:redhat:enterprise_linux:tuned-profiles-atomic-openshift-node, p-cpe:/a:redhat:enterprise_linux:rubygem-minitest, p-cpe:/a:redhat:enterprise_linux:rubygem-ffi, p-cpe:/a:redhat:enterprise_linux:rubygem-systemd-journal-doc, p-cpe:/a:redhat:enterprise_linux:rubygem-fluent-plugin-systemd-doc, p-cpe:/a:redhat:enterprise_linux:rubygem-tzinfo-data-doc, p-cpe:/a:redhat:enterprise_linux:atomic-openshift-tests, p-cpe:/a:redhat:enterprise_linux:rubygem-cool.io-doc, p-cpe:/a:redhat:enterprise_linux:atomic-openshift-federation-services, p-cpe:/a:redhat:enterprise_linux:rubygem-cool.io, p-cpe:/a:redhat:enterprise_linux:rubygem-tzinfo, cpe:/o:redhat:enterprise_linux:7:coreos, p-cpe:/a:redhat:enterprise_linux:atomic-openshift-clients, p-cpe:/a:redhat:enterprise_linux:rubygem-msgpack-doc, p-cpe:/a:redhat:enterprise_linux:atomic-openshift-node, p-cpe:/a:redhat:enterprise_linux:rubygem-faraday-doc, p-cpe:/a:redhat:enterprise_linux:rubygem-fluent-plugin-systemd

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

Exploit Ease: No known exploits are available

Patch Publication Date: 4/30/2018

Vulnerability Publication Date: 4/27/2018

Reference Information

CVE: CVE-2018-1102

CWE: 20

RHSA: 2018:1233

Detections

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