RHCOS 4 : OpenShift Container Platform 4.7.0 (RHSA-2020:5634)

high Nessus Plugin ID 312575

Synopsis

The remote Red Hat CoreOS host is missing one or more security updates for OpenShift Container Platform 4.7.0.

Description

The remote Red Hat Enterprise Linux CoreOS 4 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2020:5634 advisory.

- atomic-openshift: cross-namespace owner references can trigger deletions of valid children (CVE-2019-3884)

- kubernetes: Ceph RBD adminSecrets exposed in logs when loglevel >= 4 (CVE-2020-8566)

- containerd: credentials leak during image pull (CVE-2020-15157)

- python-rsa: bleichenbacher timing oracle attack against RSA decryption (CVE-2020-25658)

- golang: math/big: panic during recursive division of very large numbers (CVE-2020-28362)

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 4.7.0 packages based on the guidance in RHSA-2020:5634.

See Also

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

https://bugzilla.redhat.com/show_bug.cgi?id=1693905

https://bugzilla.redhat.com/show_bug.cgi?id=1886640

https://bugzilla.redhat.com/show_bug.cgi?id=1888248

https://bugzilla.redhat.com/show_bug.cgi?id=1889972

https://bugzilla.redhat.com/show_bug.cgi?id=1910081

https://bugzilla.redhat.com/show_bug.cgi?id=1921650

http://www.nessus.org/u?a56d1d32

https://access.redhat.com/errata/RHSA-2020:5634

Plugin Details

Severity: High

ID: 312575

File Name: rhcos-RHSA-2020-5634.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 5/6/2026

Updated: 5/6/2026

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.7

Vendor

Vendor Severity: Moderate

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.9

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

CVSS Score Source: CVE-2021-3121

CVSS v3

Risk Factor: High

Base Score: 8.6

Temporal Score: 7.7

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

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

CVSS v4

Risk Factor: High

Base Score: 8.2

Threat Score: 6.9

Threat Vector: CVSS:4.0/E:P

Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

CVSS Score Source: CVE-2020-25658

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:openshift-hyperkube, p-cpe:/a:redhat:enterprise_linux:python3-rsa, p-cpe:/a:redhat:enterprise_linux:openshift, p-cpe:/a:redhat:enterprise_linux:cri-o, p-cpe:/a:redhat:enterprise_linux:cri-tools, p-cpe:/a:redhat:enterprise_linux:ignition-validate, cpe:/o:redhat:enterprise_linux:8:coreos, p-cpe:/a:redhat:enterprise_linux:python-rsa, p-cpe:/a:redhat:enterprise_linux:ignition, cpe:/o:redhat:enterprise_linux:7:coreos

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: 2/24/2021

Vulnerability Publication Date: 3/29/2019

Reference Information

CVE: CVE-2019-3884, CVE-2020-15157, CVE-2020-25658, CVE-2020-28362, CVE-2020-8566, CVE-2021-3121

CWE: 117, 129, 200, 290, 295, 385

RHSA: 2020:5634