Upstream information

CVE-2021-25736 at MITRE

Description

Kube-proxy on Windows can unintentionally forward traffic to local processes listening on the same port (“spec.ports[*].port”) as a LoadBalancer Service when the LoadBalancer controller does not set the “status.loadBalancer.ingress[].ip” field. Clusters where the LoadBalancer controller sets the “status.loadBalancer.ingress[].ip” field are unaffected.

SUSE information

Overall state of this security issue: Resolved

This issue is currently rated as having moderate severity.

CVSS v3 Scores
  National Vulnerability Database
Base Score 6.3
Vector CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N
Attack Vector Network
Attack Complexity High
Privileges Required Low
User Interaction None
Scope Changed
Confidentiality Impact High
Integrity Impact None
Availability Impact None
CVSSv3 Version 3.1
SUSE Bugzilla entry: 1185894 [RESOLVED / INVALID]

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Please note that this evaluation state might be work in progress, incomplete or outdated.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
SUSE Linux Enterprise Module for Public Cloud 12 kubernetes Not affected
SUSE Linux Enterprise Server 12 SP5 kubernetes Not affected
SUSE Linux Enterprise Server for SAP Applications 12 SP5 kubernetes Not affected
Products under Long Term Service Pack support and receiving important and critical security fixes.
SUSE Linux Enterprise High Performance Computing 15 SP1 kubernetes Not affected
SUSE Linux Enterprise High Performance Computing 15 SP1-ESPOS kubernetes Not affected
SUSE Linux Enterprise High Performance Computing 15 SP1-LTSS kubernetes Not affected
SUSE Linux Enterprise Server Business Critical Linux 15 SP1 kubernetes Not affected
SUSE Linux Enterprise Server for SAP Applications 15 SP1 kubernetes Not affected
Products past their end of life and not receiving proactive updates anymore.
SUSE CaaS Platform 4.0 kubernetes Not affected
SUSE CaaS Platform 4.5 kubernetes-1.18 Not affected
SUSE Enterprise Storage 6 kubernetes Not affected
SUSE Linux Enterprise Module for Containers 15 SP1 kubernetes Not affected
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 Not affected
SUSE Linux Enterprise Server 15 SP1-BCL kubernetes Not affected
SUSE Linux Enterprise Server 15 SP1-LTSS kubernetes Not affected
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 Manager Proxy 4.0 kubernetes Not affected
SUSE Manager Retail Branch Server 4.0 kubernetes Not affected
SUSE Manager Server 4.0 kubernetes Not affected


SUSE Timeline for this CVE

CVE page created: Tue May 11 08:35:18 2021
CVE page last modified: Thu Feb 1 01:39:58 2024