Detections
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RHCOS 3 : OpenShift Container Platform 3.11 atomic-openshift (RHSA-2020:2479)
high Nessus Plugin ID 312446
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Synopsis
The remote Red Hat CoreOS host is missing one or more security updates for OpenShift Container Platform 3.11 atomic- openshift.Description
The remote Red Hat Enterprise Linux CoreOS 3 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2020:2479 advisory.- libseccomp-golang: mishandling of multiple argument rules leading to a bypass of intended access restrictions (CVE-2017-18367)
- kubernetes: Denial of service in API server via crafted YAML payloads by authorized users (CVE-2019-11254)
- kubernetes: Server side request forgery (SSRF) in kube-controller-manager allows users to leak secret information (CVE-2020-8555)
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 atomic-openshift package based on the guidance in RHSA-2020:2479.See Also
https://access.redhat.com/errata/RHSA-2020:2479
https://access.redhat.com/security/updates/classification/#moderate
https://bugzilla.redhat.com/show_bug.cgi?id=1706826
https://bugzilla.redhat.com/show_bug.cgi?id=1819486
Plugin Details
Severity: High
ID: 312446
File Name: rhcos-RHSA-2020-2479.nasl
Version: 1.1
Type: Local
Agent: unix
Family: Red Hat Local Security Checks
Published: 5/6/2026
Updated: 5/6/2026
Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus
Risk Information
VPR
Risk Factor: Low
Score: 3.3
Percentile: 50.87
Vendor
Vendor Severity: Moderate
CVSS v2
Risk Factor: Medium
Base Score: 5
Temporal Score: 3.7
Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:P/A:N
CVSS Score Source: CVE-2017-18367
CVSS v3
Risk Factor: High
Base Score: 7.5
Temporal Score: 6.5
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C
Vulnerability Information
CPE: p-cpe:/a:redhat:enterprise_linux:atomic-openshift-master, p-cpe:/a:redhat:enterprise_linux:atomic-openshift-clients-redistributable, p-cpe:/a:redhat:enterprise_linux:atomic-openshift-docker-excluder, p-cpe:/a:redhat:enterprise_linux:atomic-openshift-excluder, p-cpe:/a:redhat:enterprise_linux:atomic-openshift-hyperkube, p-cpe:/a:redhat:enterprise_linux:atomic-openshift-template-service-broker, p-cpe:/a:redhat:enterprise_linux:atomic-openshift-hypershift, p-cpe:/a:redhat:enterprise_linux:atomic-openshift-pod, p-cpe:/a:redhat:enterprise_linux:atomic-openshift-clients, p-cpe:/a:redhat:enterprise_linux:atomic-openshift-node, p-cpe:/a:redhat:enterprise_linux:atomic-openshift-sdn-ovs, cpe:/o:redhat:enterprise_linux:7:coreos, p-cpe:/a:redhat:enterprise_linux:atomic-openshift, p-cpe:/a:redhat:enterprise_linux:atomic-openshift-tests
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: 6/18/2020
Vulnerability Publication Date: 4/24/2019