Server Side Request Forgery (SSRF) Affecting k8s.io/kubernetes/pkg/volume/storageos package, versions >=1.18.0 <1.18.1 >=1.17.0 <1.17.4 >=1.16.0 <1.16.9 <1.15.12
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10 Jul 2020
5 Jun 2020
How to fix?
k8s.io/kubernetes/pkg/volume/storageos to version 1.18.1, 1.17.4, 1.16.9, 1.15.12 or higher.
k8s.io/kubernetes/pkg/volume/storageos is a contains the internal representation of StorageOS PersistentDisk volumes.
Affected versions of this package are vulnerable to Server Side Request Forgery (SSRF). There exists a Server Side Request Forgery (SSRF) vulnerability in kube-controller-manager that allows certain authorized users to leak up to 500 bytes of arbitrary information from unprotected endpoints within the master's host network (such as link-local or loopback services).
An attacker with permissions to create a pod with certain built-in Volume types (GlusterFS, Quobyte, StorageOS, ScaleIO) or permissions to create a StorageClass can cause kube-controller-manager to make GET requests or POST requests without an attacker controlled request body from the master's host network.