Upstream information

CVE-2020-8559 at MITRE

Description

The Kubernetes kube-apiserver in versions v1.6-v1.15, and versions prior to v1.16.13, v1.17.9 and v1.18.6 are vulnerable to an unvalidated redirect on proxied upgrade requests that could allow an attacker to escalate privileges from a node compromise to a full cluster compromise.

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 6.8 6.4
Vector CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H
Attack Vector Network Network
Attack Complexity Low High
Privileges Required High High
User Interaction Required Required
Scope Unchanged Unchanged
Confidentiality Impact High High
Integrity Impact High High
Availability Impact High High
CVSSv3 Version 3.1 3.1
SUSE Bugzilla entry: 1173555 [RESOLVED / FIXED]

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Please note that this evaluation state might be work in progress, incomplete or outdated.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 Not affected
Products under Long Term Service Pack support and receiving important and critical security fixes.
SUSE Linux Enterprise Module for Public Cloud 12 kubernetes Not affected
SUSE Linux Enterprise Server 12 SP5 kubernetes Not affected
SUSE Linux Enterprise Server Business Critical Linux 15 SP1 kubernetes Already fixed
SUSE Linux Enterprise Server for SAP Applications 12 SP5 kubernetes Not affected
Products past their end of life and not receiving proactive updates anymore.
Magnum Orchestration 7 kubernetes Unsupported
SUSE CaaS Platform 3.0 kubernetes Unsupported
SUSE CaaS Platform 4.0 kubernetes Already fixed
SUSE Container as a Service Platform 1.0 kubernetes Unsupported
SUSE Container as a Service Platform 2.0 kubernetes Unsupported
SUSE Enterprise Storage 6 kubernetes Already fixed
SUSE Linux Enterprise High Performance Computing 15 SP1 kubernetes Unsupported
SUSE Linux Enterprise High Performance Computing 15 SP1-ESPOS kubernetes Already fixed
SUSE Linux Enterprise High Performance Computing 15 SP1-LTSS kubernetes Already fixed
SUSE Linux Enterprise Module for Containers 15 SP1 kubernetes Unsupported
SUSE Linux Enterprise Server 12 kubernetes Not affected
SUSE Linux Enterprise Server 12 SP3 kubernetes Not affected
SUSE Linux Enterprise Server 12 SP4 kubernetes Not affected
SUSE Linux Enterprise Server 15 SP1 kubernetes Unsupported
SUSE Linux Enterprise Server 15 SP1-BCL kubernetes Already fixed
SUSE Linux Enterprise Server 15 SP1-LTSS kubernetes Already fixed
SUSE Linux Enterprise Server for SAP Applications 12 kubernetes Not affected
SUSE Linux Enterprise Server for SAP Applications 12 SP3 kubernetes Not affected
SUSE Linux Enterprise Server for SAP Applications 12 SP4 kubernetes Not affected
SUSE Linux Enterprise Server for SAP Applications 15 SP1 kubernetes Already fixed
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: Wed Jul 1 09:50:34 2020
CVE page last modified: Wed Nov 27 11:45:29 2024