CVE-2024-3177

Description

A security issue was discovered in Kubernetes where users may be able to launch containers that bypass the mountable secrets policy enforced by the ServiceAccount admission plugin when using containers, init containers, and ephemeral containers with the envFrom field populated. 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 containers, init containers, and ephemeral containers with the envFrom field populated.

CVSS v3.1 Score

2.7

LOW

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N

Weakness Type (CWE)

CWE-20 Improper Input Validation

References

Other References

https://github.com/kubernetes/kubernetes/issues/124336 https://groups.google.com/g/kubernetes-security-announce/c/JxjHf7fkVd8/m/oVCzypyOAQAJ http://www.openwall.com/lists/oss-security/2024/04/16/4 https://github.com/kubernetes/kubernetes/issues/124336 https://groups.google.com/g/kubernetes-security-announce/c/JxjHf7fkVd8/m/oVCzypyOAQAJ https://lists.fedoraproject.org/archives/list/[email protected]/message/QRYFHIQ6XRKRYBI2F5UESH67BJBQXUPT/ https://lists.fedoraproject.org/archives/list/[email protected]/message/WL54MTLGMTBZZO5PYGEGEBERTMADC4WC/

Frequently Asked Questions

What is CVE-2024-3177? +

A security issue was discovered in Kubernetes where users may be able to launch containers that bypass the mountable secrets policy enforced by the ServiceAccount admission plugin when using containers, init containers, and ephemeral containers with the envFrom field populated. 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 containers, init containers, and ephemeral containers with the envFrom field populated. It has a CVSS v3.1 base score of 2.7 (LOW).

How severe is CVE-2024-3177? +

CVE-2024-3177 has a CVSS v3.1 score of 2.7 out of 10, rated LOW. This is a low-severity vulnerability with limited impact.

How do I check if I'm vulnerable to CVE-2024-3177? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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