RHEL 7 / 8 : OpenShift Container Platform 4.3.25 openshift (RHSA-2020:2440)

medium Nessus Plugin ID 137562

Synopsis

The remote Red Hat host is missing a security update for OpenShift Container Platform 4.3.25 openshift.

Description

The remote Redhat Enterprise Linux 7 / 8 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2020:2440 advisory.

Red Hat OpenShift Container Platform is Red Hat's cloud computing Kubernetes application platform solution designed for on-premise or private cloud deployments.

Security Fix(es):

* kubernetes: A server side request forgery (SSRF) in the kube-controller-manager allows certain authorized users to leak up to 500 bytes of arbitrary information from the master's host network (CVE-2020-8555)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

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 RHEL OpenShift Container Platform 4.3.25 openshift package based on the guidance in RHSA-2020:2440.

See Also

http://www.nessus.org/u?51f85f7e

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

https://access.redhat.com/errata/RHSA-2020:2440

https://bugzilla.redhat.com/show_bug.cgi?id=1821583

Plugin Details

Severity: Medium

ID: 137562

File Name: redhat-RHSA-2020-2440.nasl

Version: 1.11

Type: local

Agent: unix

Published: 6/17/2020

Updated: 11/7/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

Vendor

Vendor Severity: Moderate

CVSS v2

Risk Factor: Low

Base Score: 3.5

Temporal Score: 2.6

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

CVSS Score Source: CVE-2020-8555

CVSS v3

Risk Factor: Medium

Base Score: 6.3

Temporal Score: 5.5

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

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

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:openshift-hyperkube, p-cpe:/a:redhat:enterprise_linux:openshift, cpe:/o:redhat:enterprise_linux:8, cpe:/o:redhat:enterprise_linux:7

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: 6/17/2020

Vulnerability Publication Date: 6/1/2020

Reference Information

CVE: CVE-2020-8555

CWE: 200

RHSA: 2020:2440