#kubernetes

The privilege escalation is based on a missing check if the user is authenticated based on the `TokenReview` result. All the clusters running with the `anonymous-auth` Kubernetes API Server setting disable (set to `false`) are affected since it would be possible to bypass the token review mechanism, interacting with the upper Kubernetes API Server. # PoC Start a KinD cluster with the `anonymous-auth` value to `false`. If it is true, it uses anonymous permissions which are very limited by default ```yaml kind: Cluster apiVersion: kind.x-k8s.io/v1alpha4 nodes: - role: control-plane kubeadmConfigPatches: - | kind: ClusterConfiguration apiServer: extraArgs: anonymous-auth: "false" ``` Install `capsule` and `capsule-proxy` ``` k port-forward svc/capsule-proxy 9001 Forwarding from 127.0.0.1:9001 -> 9001 Forwarding from [::1]:9001 -> 9001 Handling connection for 9001 ``` Then query the proxy ``` curl -g -k -H 'Authorization: Bearer f' -X 'GET' 'http...

A SQL injection vulnerability in Meshery before 0.6.179 allows a remote attacker to obtain sensitive information and execute arbitrary code via the order parameter.

Cybersecurity researchers are warning of publicly exposed Kubernetes configuration secrets that could put organizations at risk of supply chain attacks. “These encoded Kubernetes configuration secrets were uploaded to public repositories,” Aqua security researchers Yakir Kadkoda and Assaf Morag said in a new research published earlier this week. Some of those impacted include two top blockchain

Red Hat Security Advisory 2023-6837-01 - Red Hat OpenShift Container Platform release 4.14.2 is now available with updates to packages and images that fix several bugs and add enhancements. Issues addressed include a cross site scripting vulnerability.

Red Hat Security Advisory 2023-7342-01 - An update for cnf-tests-container, dpdk-base-container and performance-addon-operator-must-gather-rhel8-container is now available for Red Hat OpenShift Container Platform 4.11. Secondary scheduler builds and numaresources-operator are also available for technical preview with this release, however they are not intended for production.

Red Hat Security Advisory 2023-6842-01 - Red Hat OpenShift Container Platform release 4.12.43 is now available with updates to packages and images that fix several bugs and add enhancements.

Red Hat Security Advisory 2023-6841-01 - An update is now available for Red Hat OpenShift Container Platform 4.12.

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An attacker is able to steal secrets and potentially gain remote code execution via CSRF using the Prefect API.

A security issue was discovered in Kubernetes where a user that can create pods and persistent volumes on Windows nodes may be able to escalate to admin privileges on those nodes. Kubernetes clusters are only affected if they are using an in-tree storage plugin for Windows nodes.