Security Bulletin: IBM Cloud Kubernetes Service is affected by a privilege escalation vulnerability in runc

Summary IBM Cloud Kubernetes Service is affected by a security vulnerability in runc which could allow an attacker that is authorized to run a process as root inside a container to execute arbitrary commands with root privileges on the container’s host system. Vulnerability Details CVE-ID:...

subpath volume mount handling allows arbitrary file access in host filesystem

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H This vulnerability allows containers using subpath volume mounts with any volume type including non-privileged pods, subject to file permissions to access files/directories outside of the volume, including the host’s filesystem. Thanks to Maxim Ivanov...

DEBIAN-CVE-2017-1000056

Kubernetes version 1.5.0-1.5.4 is vulnerable to a privilege escalation in the PodSecurityPolicy admission plugin resulting in the ability to make use of any existing PodSecurityPolicy object...