RHCOS 4 : OpenShift Container Platform 4.6.1 (RHSA-2020:4297)

critical Nessus Plugin ID 312408

Synopsis

The remote Red Hat CoreOS host is missing one or more security updates for OpenShift Container Platform 4.6.1.

Description

The remote Red Hat Enterprise Linux CoreOS 4 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2020:4297 advisory.

- jenkins-jira-plugin: plugin information disclosure (CVE-2019-16541)

- jenkins-2-plugins/mailer: Missing hostname validation in Mailer Plugin could result in MITM (CVE-2020-2252)

- jenkins-2-plugins/blueocean: Path traversal vulnerability in Blue Ocean Plugin could allow to read arbitrary files (CVE-2020-2254)

- jenkins-2-plugins/blueocean: Blue Ocean Plugin does not perform permission checks in several HTTP endpoints implementing connection tests. (CVE-2020-2255)

- kubernetes: Docker config secrets leaked when file is malformed and loglevel >= 4 (CVE-2020-8564)

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

Solution

Update the RHCOS OpenShift Container Platform 4.6.1 package based on the guidance in RHSA-2020:4297.

See Also

https://access.redhat.com/security/updates/classification/#moderate

https://bugzilla.redhat.com/show_bug.cgi?id=1819663

https://bugzilla.redhat.com/show_bug.cgi?id=1853652

https://bugzilla.redhat.com/show_bug.cgi?id=1867099

https://bugzilla.redhat.com/show_bug.cgi?id=1874268

https://bugzilla.redhat.com/show_bug.cgi?id=1880454

https://bugzilla.redhat.com/show_bug.cgi?id=1880456

https://bugzilla.redhat.com/show_bug.cgi?id=1880460

https://bugzilla.redhat.com/show_bug.cgi?id=1886637

http://www.nessus.org/u?dd86a250

https://access.redhat.com/errata/RHSA-2020:4297

Plugin Details

Severity: Critical

ID: 312408

File Name: rhcos-RHSA-2020-4297.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 5/6/2026

Updated: 5/6/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.5

Vendor

Vendor Severity: Moderate

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-2019-16541

CVSS v3

Risk Factor: Critical

Base Score: 9.9

Temporal Score: 8.6

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/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:openshift-clients, p-cpe:/a:redhat:enterprise_linux:containers-common, p-cpe:/a:redhat:enterprise_linux:podman, p-cpe:/a:redhat:enterprise_linux:podman-docker, p-cpe:/a:redhat:enterprise_linux:runc, p-cpe:/a:redhat:enterprise_linux:skopeo, p-cpe:/a:redhat:enterprise_linux:podman-remote, p-cpe:/a:redhat:enterprise_linux:podman-tests, p-cpe:/a:redhat:enterprise_linux:skopeo-tests, p-cpe:/a:redhat:enterprise_linux:jenkins-2-plugins, p-cpe:/a:redhat:enterprise_linux:openshift-clients-redistributable, cpe:/o:redhat:enterprise_linux:8:coreos, cpe:/o:redhat:enterprise_linux:7:coreos

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: 10/27/2020

Vulnerability Publication Date: 11/21/2019

Reference Information

CVE: CVE-2019-16541, CVE-2020-14040, CVE-2020-14370, CVE-2020-15586, CVE-2020-16845, CVE-2020-2252, CVE-2020-2254, CVE-2020-2255, CVE-2020-8564

CWE: 117, 212, 22, 297, 362, 522, 835, 862

RHSA: 2020:4297