Upstream information

CVE-2020-8554 at MITRE

Description

Kubernetes API server in all versions allow an attacker who is able to create a ClusterIP service and set the spec.externalIPs field, to intercept traffic to that IP address. Additionally, an attacker who is able to patch the status (which is considered a privileged operation and should not typically be granted to users) of a LoadBalancer service can set the status.loadBalancer.ingress.ip to similar effect.

SUSE information

Overall state of this security issue: Resolved

This issue is currently rated as having moderate severity.

CVSS v2 Scores
  National Vulnerability Database
Base Score 6
Vector AV:N/AC:M/Au:S/C:P/I:P/A:P
Access Vector Network
Access Complexity Medium
Authentication Single
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial
CVSS v3 Scores
  National Vulnerability Database SUSE
Base Score 5 6.3
Vector CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Attack Vector Network Network
Attack Complexity High Low
Privileges Required Low Low
User Interaction None None
Scope Unchanged Unchanged
Confidentiality Impact Low Low
Integrity Impact Low Low
Availability Impact Low Low
CVSSv3 Version 3.1 3.1
SUSE Bugzilla entry: 1178051 [RESOLVED / WONTFIX]

No SUSE Security Announcements cross referenced.


Status of this issue by product and package

Please note that this evaluation state might be work in progress, incomplete or outdated. Also information for service packs in the LTSS phase is only included for issues meeting the LTSS criteria. If in doubt, feel free to contact us for clarification. The updates are grouped by state of their lifecycle. SUSE product lifecycles are documented on the lifecycle page.

Product(s) Source package State
Products under general support and receiving all security fixes.
SUSE Linux Enterprise High Performance Computing 12 kubernetes Unsupported
SUSE Linux Enterprise Module for Public Cloud 12 kubernetes Unsupported
SUSE Linux Enterprise Server 12 SP5 kubernetes Unsupported
SUSE Linux Enterprise Server for SAP Applications 12 SP5 kubernetes Unsupported
Products under Long Term Service Pack support and receiving important and critical security fixes.
SUSE Linux Enterprise High Performance Computing 15 SP1 kubernetes Unsupported
SUSE Linux Enterprise High Performance Computing 15 SP1-ESPOS kubernetes Unsupported
SUSE Linux Enterprise High Performance Computing 15 SP1-LTSS kubernetes Unsupported
SUSE Linux Enterprise Server for SAP Applications 15 SP1 kubernetes Unsupported
Products past their end of life and not receiving proactive updates anymore.
SUSE CaaS Platform 4.0 kubernetes Unsupported
SUSE CaaS Platform 4.5 kubernetes-1.18 Unsupported
SUSE Enterprise Storage 6 kubernetes Unsupported
SUSE Linux Enterprise Module for Containers 15 SP1 kubernetes Unsupported
SUSE Linux Enterprise Server 12 kubernetes Unsupported
SUSE Linux Enterprise Server 12 SP3 kubernetes Unsupported
SUSE Linux Enterprise Server 12 SP4 kubernetes Unsupported
SUSE Linux Enterprise Server 15 SP1 kubernetes Unsupported
SUSE Linux Enterprise Server 15 SP1-BCL kubernetes Unsupported
SUSE Linux Enterprise Server 15 SP1-LTSS kubernetes Unsupported
SUSE Linux Enterprise Server for SAP Applications 12 kubernetes Unsupported
SUSE Linux Enterprise Server for SAP Applications 12 SP3 kubernetes Unsupported
SUSE Linux Enterprise Server for SAP Applications 12 SP4 kubernetes Unsupported
SUSE Manager Proxy 4.0 kubernetes Unsupported
SUSE Manager Retail Branch Server 4.0 kubernetes Unsupported
SUSE Manager Server 4.0 kubernetes Unsupported


SUSE Timeline for this CVE

CVE page created: Fri Oct 23 11:35:00 2020
CVE page last modified: Thu Feb 1 01:36:16 2024