Upstream information
Description
A security issue was discovered in Kubernetes where a user may be able to create a container with subpath volume mounts to access files & directories outside of the volume, including on the host filesystem.SUSE information
Overall state of this security issue: Resolved
This issue is currently rated as having important severity.
| National Vulnerability Database | |
|---|---|
| Base Score | 5.5 |
| Vector | AV:N/AC:L/Au:S/C:P/I:P/A:N |
| Access Vector | Network |
| Access Complexity | Low |
| Authentication | Single |
| Confidentiality Impact | Partial |
| Integrity Impact | Partial |
| Availability Impact | None |
| National Vulnerability Database | SUSE | |
|---|---|---|
| Base Score | 8.1 | 8.8 |
| Vector | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| Attack Vector | Network | Network |
| Attack Complexity | Low | Low |
| Privileges Required | Low | Low |
| User Interaction | None | None |
| Scope | Unchanged | Unchanged |
| Confidentiality Impact | High | High |
| Integrity Impact | High | High |
| Availability Impact | None | High |
| CVSSv3 Version | 3.1 | 3.1 |
SUSE Security Advisories:
- SUSE-CU-2021:318-1, published Thu Sep 16 06:23:26 UTC 2021
- SUSE-CU-2021:322-1, published Fri Sep 17 06:24:54 UTC 2021
- SUSE-CU-2021:325-1, published Fri Sep 17 06:26:46 UTC 2021
- SUSE-CU-2021:328-1, published Fri Sep 17 06:28:33 UTC 2021
- SUSE-CU-2021:330-1, published Fri Sep 17 06:29:52 UTC 2021
- SUSE-CU-2021:375-1, published Sat Oct 9 08:59:22 UTC 2021
- SUSE-CU-2021:385-1, published Sat Oct 9 10:21:14 UTC 2021
- SUSE-CU-2021:386-1, published Sat Oct 9 10:22:01 UTC 2021
- SUSE-CU-2021:387-1, published Sat Oct 9 10:22:27 UTC 2021
- SUSE-CU-2021:388-1, published Sat Oct 9 10:25:05 UTC 2021
- SUSE-RU-2021:3047-1, published Wed Sep 15 19:25:34 UTC 2021
- SUSE-SU-2021:3044-1, published Wed Sep 15 13:22:08 UTC 2021
- SUSE-SU-2021:3049-1, published Thu Sep 16 04:16:35 UTC 2021
- SUSE-SU-2021:3322-1, published Thu Oct 7 22:16:30 UTC 2021
- SUSE-SU-2021:3323-1, published Fri Oct 8 13:16:04 UTC 2021
List of released packages
| Product(s) | Fixed package version(s) | References |
|---|---|---|
| Container caasp/v4/hyperkube:v1.17.17 |
| |
| Container caasp/v4/kubernetes-client:1.17.17 Container caasp/v4/kucero:1.3.0 Container caasp/v4/kured:1.3.0 |
| |
| SUSE CaaS Platform 4.0 |
| Patchnames: SUSE-SUSE-CAASP-4.0-2021-3323 |
| SUSE CaaS Platform 4.5 |
| Patchnames: SUSE-SUSE-CAASP-4.5-2021-3049 |
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 | Affected |
| 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 Server Business Critical Linux 15 SP1 | kubernetes | Released |
| SUSE Linux Enterprise Server for SAP Applications 15 SP1 | kubernetes | Released |
| Products past their end of life and not receiving proactive updates anymore. | ||
| SUSE CaaS Platform 4.0 | caasp-release | Released |
| SUSE CaaS Platform 4.0 | kubernetes | Released |
| SUSE CaaS Platform 4.0 | release-notes-caasp | Released |
| SUSE CaaS Platform 4.0 | skuba | Released |
| SUSE CaaS Platform 4.5 | caasp-release | Released |
| SUSE CaaS Platform 4.5 | kubernetes-1.18 | Released |
| SUSE CaaS Platform 4.5 | release-notes-caasp | Released |
| SUSE CaaS Platform 4.5 | skuba | Released |
| SUSE Enterprise Storage 6 | kubernetes | Released |
| SUSE Linux Enterprise Module for Containers 15 SP1 | kubernetes | 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 | Affected |
| SUSE Linux Enterprise Server 15 SP1-BCL | kubernetes | Affected |
| SUSE Linux Enterprise Server 15 SP1-LTSS | 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 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 Aug 13 08:30:08 2021CVE page last modified: Tue Feb 20 14:40:43 2024