RHCOS 3 : OpenShift Container Platform 3.11.318 jenkins-2-plugins (RHSA-2020:5102)

medium Nessus Plugin ID 312570

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Synopsis

The remote Red Hat CoreOS host is missing one or more security updates for OpenShift Container Platform 3.11.318 jenkins-2-plugins.

Description

The remote Red Hat Enterprise Linux CoreOS 3 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2020:5102 advisory.

- 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)

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 3.11.318 jenkins-2-plugins package based on the guidance in RHSA-2020:5102.

Plugin Details

Severity: Medium

ID: 312570

File Name: rhcos-RHSA-2020-5102.nasl

Version: 1.1

Type: Local

Agent: unix

Family: Red Hat Local Security Checks

Published: 5/6/2026

Updated: 5/6/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

Vendor

Vendor Severity: Moderate

CVSS v2

Risk Factor: Medium

Base Score: 5.8

Temporal Score: 4.3

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

CVSS Score Source: CVE-2020-2252

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.7

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

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

CVSS Score Source: CVE-2020-2254

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:jenkins-2-plugins, 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: 11/17/2020

Vulnerability Publication Date: 9/16/2020

Reference Information

CVE: CVE-2020-2252, CVE-2020-2254, CVE-2020-2255

CWE: 22, 297, 862

RHSA: 2020:5102

Detections

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