Lateral movementController creating containers that are running as root or have the option to run as root
Platform(s)
Non-platform specific
Compliance Frameworks
AKS CIS, Brazilian General Data Protection (LGPD), CCPA, CPRA, EKS CIS, essential_8_au, GDPR, GKE CIS, iso_27001_2022, iso_27002_2022, K8s CIS, K8s OWASP Top 10, New Zealand Information Security Manual, NIST 800-171, NIST 800-190, NIST 800-53, PDPA, pipeda, UK Cyber Essentials
Description
When assessing which user the controller allows its containers to run as, there are 3 parameters: 1. RunAsUser - define the UID of the container. 2. RunAsGroup - define the GID of the container. 3. RunAsNonRoot - preform a kubelet validation at run-time to ensure a container doesn't run as root. There are 2 ways to define these parameters: in the ContainerSecurityContext or in the PodSecurityContext. The value specified in ContainerSecurityContext takes precedence over PodSecurityContext. Orca has detected that the controller {K8sController} is creating pods that create containers that run or can run as root. An attacker can use the controllers' containers and gain higher privileges on the node, possibly allowing a cluster-takeover.
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