Upstream information
Description
In all Kubernetes versions prior to v1.10.11, v1.11.5, and v1.12.3, incorrect handling of error responses to proxied upgrade requests in the kube-apiserver allowed specially crafted requests to establish a connection through the Kubernetes API server to backend servers, then send arbitrary requests over the same connection directly to the backend, authenticated with the Kubernetes API server's TLS credentials used to establish the backend connection.SUSE information
Overall state of this security issue: Resolved
This issue is currently rated as having critical severity.
National Vulnerability Database | |
---|---|
Base Score | 7.5 |
Vector | AV:N/AC:L/Au:N/C:P/I:P/A:P |
Access Vector | Network |
Access Complexity | Low |
Authentication | None |
Confidentiality Impact | Partial |
Integrity Impact | Partial |
Availability Impact | Partial |
National Vulnerability Database | SUSE | |
---|---|---|
Base Score | 9.8 | 9.8 |
Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Access Vector | Network | Network |
Access Complexity | Low | Low |
Privileges Required | None | None |
User Interaction | None | None |
Scope | Unchanged | Unchanged |
Confidentiality Impact | High | High |
Integrity Impact | High | High |
Availability Impact | High | High |
CVSSv3 Version | 3 | 3 |
- SUSE-SU-2018:4020-1, published Fri Dec 7 10:24:57 MST 2018
- openSUSE-SU-2020:0554-1, published Sun, 26 Apr 2020 21:14:09 +0200 (CEST)
List of released packages
Product(s) | Fixed package version(s) | References |
---|---|---|
SUSE CaaS Platform 3.0 |
| Patchnames: SUSE-CAASP-3.0-2018-2867 |
openSUSE Leap 15.1 |
| Patchnames: openSUSE-2020-554 |
openSUSE Tumbleweed |
| Patchnames: openSUSE Tumbleweed GA kubernetes-apiserver-1.22.2-21.2 |
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Please note that this evaluation state might be work in progress, incomplete or outdated.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.
Product(s) | Source package | State |
---|---|---|
Magnum Orchestration | kubernetes | Affected |
SUSE CaaS Platform 3.0 | kubernetes | Released |
SUSE CaaS Platform 4.0 | kubernetes | Released |
SUSE CaaS Platform 4.5 | kubernetes-1.18 | In progress |
SUSE Container as a Service Platform 2.0 | kubernetes | Unsupported |
SUSE Enterprise Storage 6 | kubernetes | Released |
SUSE Linux Enterprise High Performance Computing 12 | kubernetes | Not affected |
SUSE Linux Enterprise High Performance Computing 15 SP1 | kubernetes | Unsupported |
SUSE Linux Enterprise High Performance Computing 15 SP1 ESPOS | kubernetes | Released |
SUSE Linux Enterprise High Performance Computing 15 SP1 LTSS | kubernetes | Released |
SUSE Linux Enterprise Module for Containers 15 SP1 | kubernetes | Unsupported |
SUSE Linux Enterprise Module for Public Cloud 12 | 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 12 SP5 | kubernetes | Not affected |
SUSE Linux Enterprise Server 15 SP1 | kubernetes | Unsupported |
SUSE Linux Enterprise Server 15 SP1 LTSS | kubernetes | Released |
SUSE Linux Enterprise Server Business Critical Linux 15 SP1 | kubernetes | Released |
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 12 SP5 | kubernetes | Not affected |
SUSE Linux Enterprise Server for SAP Applications 15 SP1 | kubernetes | Unsupported |
SUSE Linux Enterprise Storage 6 | 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 |