Upstream information

CVE-2020-8561 at MITRE

Description

A security issue was discovered in Kubernetes where actors that control the responses of MutatingWebhookConfiguration or ValidatingWebhookConfiguration requests are able to redirect kube-apiserver requests to private networks of the apiserver. If that user can view kube-apiserver logs when the log level is set to 10, they can view the redirected responses and headers in the logs.

SUSE information

Overall state of this security issue: Pending

This issue is currently rated as having moderate severity.

CVSS v2 Scores
  National Vulnerability Database
Base Score 4
Vector AV:N/AC:L/Au:S/C:P/I:N/A:N
Access Vector Network
Access Complexity Low
Authentication Single
Confidentiality Impact Partial
Integrity Impact None
Availability Impact None
CVSS v3 Scores
  National Vulnerability Database
Base Score 4.1
Vector CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:N/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required High
User Interaction None
Scope Changed
Confidentiality Impact Low
Integrity Impact None
Availability Impact None
CVSSv3 Version 3.1
SUSE Bugzilla entry: 1190099 [NEW]

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Please note that this evaluation state might be work in progress, incomplete or outdated.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 Affected
SUSE Linux Enterprise Module for Public Cloud 12 kubernetes Affected
SUSE Linux Enterprise Server 12 SP5 kubernetes Affected
SUSE Linux Enterprise Server for SAP Applications 12 SP5 kubernetes Affected
Products under Long Term Service Pack support and receiving important and critical security fixes.
SUSE Linux Enterprise High Performance Computing 15 SP1 kubernetes Affected
SUSE Linux Enterprise High Performance Computing 15 SP1-ESPOS kubernetes Affected
SUSE Linux Enterprise High Performance Computing 15 SP1-LTSS kubernetes Affected
SUSE Linux Enterprise Module for Containers 15 SP1 kubernetes Affected
SUSE Linux Enterprise Server 12 SP4 kubernetes Affected
SUSE Linux Enterprise Server 15 SP1 kubernetes Affected
SUSE Linux Enterprise Server 15 SP1-LTSS kubernetes Affected
SUSE Linux Enterprise Server Business Critical Linux 15 SP1 kubernetes Affected
SUSE Linux Enterprise Server for SAP Applications 12 SP4 kubernetes Affected
SUSE Linux Enterprise Server for SAP Applications 15 SP1 kubernetes Affected
Products past their end of life and not receiving proactive updates anymore.
SUSE CaaS Platform 4.0 kubernetes Affected
SUSE Enterprise Storage 6 kubernetes Affected
SUSE Linux Enterprise Server 12 kubernetes Affected
SUSE Linux Enterprise Server 12 SP3 kubernetes Affected
SUSE Linux Enterprise Server 15 SP1-BCL kubernetes Affected
SUSE Linux Enterprise Server for SAP Applications 12 kubernetes Affected
SUSE Linux Enterprise Server for SAP Applications 12 SP3 kubernetes Affected
SUSE Manager Proxy 4.0 kubernetes Affected
SUSE Manager Retail Branch Server 4.0 kubernetes Affected
SUSE Manager Server 4.0 kubernetes Affected


SUSE Timeline for this CVE

CVE page created: Thu Sep 2 09:30:11 2021
CVE page last modified: Mon Jan 16 20:08:11 2023