NetSight
critical9.8Public exploit code

CVE-2018-1002105

In all Kubernetes versions prior to v1.10.11, v1.11.5, and v1.12.3, incorrect handling of error responses to proxied upgrade requests in the kube-apiserver all…

Public exploit code

Working exploit or proof of concept code has been published for this vulnerability. Treat unpatched systems as at risk.

Impact

In all Kubernetes versions prior to v1.10.11, v1.11.5, and v1.12.3, incorrect handling of error responses to proxied upgrade requests in the kube-apiserver allowed specially crafted requests to establish a connection through the Kubernetes API server to backend servers, then send arbitrary requests over the same connection directly to the backend, authenticated with the Kubernetes API server's TLS credentials used to establish the backend connection.

Affected products

VendorProductAffected versions
KubernetesKubernetes
from 1.0.0 through 1.9.11
from 1.10.0 through 1.10.10
from 1.11.0 through 1.11.4
from 1.12.0 through 1.12.2
Version 1.9.12
RedhatOpenshift Container Platform
Versions 3.2, 3.3, 3.4, 3.5, 3.6, 3.8
NetappTrident
All versions

Weakness classification

References