Skip to content

Kubernetes mountable secrets policy bypass

Moderate severity GitHub Reviewed Published Jul 3, 2023 to the GitHub Advisory Database • Updated Nov 11, 2023

Package

gomod k8s.io/kubernetes (Go)

Affected versions

>= 1.27.0, < 1.27.3
>= 1.26.0, < 1.26.6
>= 1.25.0, < 1.25.11
< 1.24.15

Patched versions

1.27.3
1.26.6
1.25.11
1.24.15

Description

Users may be able to launch containers that bypass the mountable secrets policy enforced by the ServiceAccount admission plugin when using ephemeral containers. The policy ensures pods running with a service account may only reference secrets specified in the service account’s secrets field. Kubernetes clusters are only affected if the ServiceAccount admission plugin and the kubernetes.io/enforce-mountable-secrets annotation are used together with ephemeral containers.

References

Published by the National Vulnerability Database Jul 3, 2023
Published to the GitHub Advisory Database Jul 3, 2023
Reviewed Jul 6, 2023
Last updated Nov 11, 2023

Severity

Moderate
6.5
/ 10

CVSS base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
High
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
None
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N

Weaknesses

CVE ID

CVE-2023-2728

GHSA ID

GHSA-cgcv-5272-97pr

Source code

Checking history
See something to contribute? Suggest improvements for this vulnerability.