Vigil@nce - Kubernetes: directory traversal via Kubectl Symlinks
November 2019 by Vigil@nce
SYNTHESIS OF THE VULNERABILITY
Impacted products: Kubernetes.
Severity: 2/4.
Consequences: data creation/edition.
Provenance: user account.
Confidence: confirmed by the editor (5/5).
Creation date: 19/09/2019.
DESCRIPTION OF THE VULNERABILITY
An attacker can traverse directories via Kubectl Symlinks of Kubernetes, in order to create a file outside the service root path.
ACCESS TO THE FULL VIGIL@NCE BULLETIN
https://vigilance.fr/vulnerability/Kubernetes-directory-traversal-via-Kubectl-Symlinks-30362