Detections
Analytics

Oracle Linux 7 : Unbreakable Enterprise kernel-container kata-image kata-runtime kata kubernetes olcne (ELSA-2020-5766)

high Nessus Plugin ID 180954

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Synopsis

The remote Oracle Linux host is missing one or more security updates.

Description

The remote Oracle Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2020-5766 advisory.

 - x86/speculation: Add SRBDS vulnerability and mitigation documentation (Mark Gross) [Orabug: 31446720] {CVE-2020-0543}
 - x86/speculation: Add Special Register Buffer Data Sampling (SRBDS) mitigation (Mark Gross) [Orabug:
 31446720] {CVE-2020-0543}
 - x86/cpu: Add 'table' argument to cpu_matches() (Mark Gross) [Orabug: 31446720] {CVE-2020-0543}
 - x86/cpu: Add a steppings field to struct x86_cpu_id (Mark Gross) [Orabug: 31446720] {CVE-2020-0543}
 - Address Kata CVE-2020-2023
 - Address Kata CVE-2020-2024
 - Address Kata CVE-2020-2025
 - Address Kata CVE-2020-2026

 kata
 - Address CVE-2020-2023
 - Address CVE-2020-2024
 - Address CVE-2020-2025
 - Address CVE-2020-2026


 kubernetes
 - CVE-2020-8559: Privilege escalation from compromised node to cluster
 - CVE-2020-8557: Node disk DOS by writing to container /etc/hosts
 - Update dependency on Kata containers to a build that includes fixes for CVE-2020-2023 thru CVE-2020-2026

 olcne
 - CVE-2020-8559: Privilege escalation from compromised node to cluster
 - CVE-2020-8557: Node disk DOS by writing to container /etc/hosts

Tenable has extracted the preceding description block directly from the Oracle Linux security advisory.

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 affected packages.

See Also

https://linux.oracle.com/errata/ELSA-2020-5766.html

Plugin Details

Severity: High

ID: 180954

File Name: oraclelinux_ELSA-2020-5766.nasl

Version: 1.1

Type: local

Agent: unix

Published: 9/7/2023

Updated: 10/22/2024

Supported Sensors: Continuous Assessment, Frictionless Assessment Agent, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Medium

Base Score: 6

Temporal Score: 4.7

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

CVSS Score Source: CVE-2020-8559

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.9

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

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

CVSS Score Source: CVE-2020-2026

Vulnerability Information

CPE: p-cpe:/a:oracle:linux:kernel-uek-container, p-cpe:/a:oracle:linux:olcne-utils, cpe:/o:oracle:linux:7, p-cpe:/a:oracle:linux:kata-image, p-cpe:/a:oracle:linux:olcne-api-server, p-cpe:/a:oracle:linux:kata, p-cpe:/a:oracle:linux:kubectl, p-cpe:/a:oracle:linux:kubelet, p-cpe:/a:oracle:linux:kata-runtime, p-cpe:/a:oracle:linux:kubeadm, p-cpe:/a:oracle:linux:olcne-agent, p-cpe:/a:oracle:linux:olcnectl, p-cpe:/a:oracle:linux:olcne-nginx

Required KB Items: Host/OracleLinux, Host/RedHat/release, Host/RedHat/rpm-list, Host/local_checks_enabled

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 7/22/2020

Vulnerability Publication Date: 5/19/2020

Reference Information

CVE: CVE-2020-2024, CVE-2020-2025, CVE-2020-2026, CVE-2020-8557, CVE-2020-8559