CVE-2019-11249

Description

The kubectl cp command allows copying files between containers and the user machine. To copy files from a container, Kubernetes runs tar inside the container to create a tar archive, copies it over the network, and kubectl unpacks it on the users machine. If the tar binary in the container is malicious, it could run any code and output unexpected, malicious results. An attacker could use this to write files to any path on the users machine when kubectl cp is called, limited only by the system permissions of the local user. Kubernetes affected versions include versions prior to 1.13.9, versions prior to 1.14.5, versions prior to 1.15.2, and versions 1.1, 1.2, 1.4, 1.4, 1.5, 1.6, 1.7, 1.8, 1.9, 1.10, 1.11, 1.12.

Risk Information

Base Score

6.5

MODERATE

Vector

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

EPSS Score

Exploitation Probability

3.519

Associated Vulnerability

Vulnerability	OS Platform
Kubeadm update (ELSA-2019-4816) kubeadm-1.12.10-1.0.10.el7.x86_64.rpm	Linux
Kubeadm-ha-setup update (ELSA-2019-4816) kubeadm-ha-setup-0.0.2-1.0.68.el7.x86_64.rpm	Linux
Kubeadm-upgrade update (ELSA-2019-4816) kubeadm-upgrade-0.0.1-1.0.27.el7.x86_64.rpm	Linux
Kubectl update (ELSA-2019-4816) kubectl-1.12.10-1.0.10.el7.x86_64.rpm	Linux
Kubelet update (ELSA-2019-4816) kubelet-1.12.10-1.0.10.el7.x86_64.rpm	Linux

Patch Details

No records found

References

https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234