RHCOS 4 : OpenShift Container Platform 4.7.11 (RHSA-2021:1551)

medium Nessus Plugin ID 312553

Synopsis

The remote Red Hat CoreOS host is missing one or more security updates for OpenShift Container Platform 4.7.11.

Description

The remote Red Hat Enterprise Linux CoreOS 4 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2021:1551 advisory.

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

- golang: crypto/elliptic: incorrect operations on the P-224 curve (CVE-2021-3114)

- jenkins: lack of type validation in agent related REST API (CVE-2021-21639)

- jenkins: view name validation bypass (CVE-2021-21640)

- jetty: Symlink directory exposes webapp directory contents (CVE-2021-28163)

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 4.7.11 package based on the guidance in RHSA-2021:1551.

See Also

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

https://bugzilla.redhat.com/show_bug.cgi?id=1897635

https://bugzilla.redhat.com/show_bug.cgi?id=1918750

https://bugzilla.redhat.com/show_bug.cgi?id=1945710

https://bugzilla.redhat.com/show_bug.cgi?id=1945714

https://bugzilla.redhat.com/show_bug.cgi?id=1959660

http://www.nessus.org/u?8c510955

https://access.redhat.com/errata/RHSA-2021:1551

Plugin Details

Severity: Medium

ID: 312553

File Name: rhcos-RHSA-2021-1551.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: 4.4

Vendor

Vendor Severity: Moderate

CVSS v2

Risk Factor: Medium

Base Score: 6.4

Temporal Score: 5

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

CVSS Score Source: CVE-2021-3114

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.9

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

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

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:jenkins, p-cpe:/a:redhat:enterprise_linux:runc, p-cpe:/a:redhat:enterprise_linux:cri-tools, 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 Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 5/19/2021

Vulnerability Publication Date: 11/18/2020

Reference Information

CVE: CVE-2020-28362, CVE-2021-21639, CVE-2021-21640, CVE-2021-28163, CVE-2021-28165, CVE-2021-3114

CWE: 20, 200, 295, 400, 682

RHSA: 2021:1551