Kubernetes: kubeadm logs tokens before deleting them

Report Submission Form Summary: kubeabdm's delete command takes as input either a bootstrap token ID, or a full token. Before determining whether the input is just an id or a full token, kubeadm logs the input using klog. If the deletion fails, the token would remain valid. An attacker who has...

Moderate: Red Hat Security Advisory: OpenShift Container Platform 4.4.19 openshift-enterprise-hyperkube-container security update

An update for openshift-enterprise-hyperkube-container is now available for Red Hat OpenShift Container Platform 4.4. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity...

Moderate: Red Hat Security Advisory: OpenShift Container Platform 4.4.19 openshift security update

An update for openshift is now available for Red Hat OpenShift Container Platform 4.4. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each...

kubernetes: Node disk DOS by writing to container /etc/hosts

A flaw was found in Kubernetes, where the amount of disk space the /etc/hosts file can use is unconstrained . This flaw can allow attacker-controlled pods to cause a denial of service if they have permission to write to the node's /etc/hosts file...

RHEL 7 / 8 : OpenShift Container Platform 4.4.19 openshift (RHSA-2020:3579)

The remote Redhat Enterprise Linux 7 / 8 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2020:3579 advisory. Red Hat OpenShift Container Platform is Red Hat's cloud computing Kubernetes application platform solution designed for on-premise or private clo...

olcne conmon coredns cri-o cri-tools etcd flannel grafana helm istio kata kata-agent kata-image kata-ksm-throttler kata-proxy kata-runtime kata-shim kubernetes kubernetes-cni kubernetes-cni-plugins kubernetes-dashboard prometheus yq security update

olcne 1.1.5-2 - kubernetes pod subnet flag not honored in flannel configuration 1.1.5-1 - Address CVE-2020-16845 conmon 2.0.10-3 - Address CVE-2020-16845 coredns 1.6.5-1.0.3 - Address CVE-2020-16845 cri-o 1.17.0-1.0.5 - Address CVE-2020-16845 cri-tools 1.17.0-1.0.2 - Address CVE-2020-16845...

coredns cri-o cri-tools etcd flannel kata kata-agent kata-image kata-ksm-throttler kata-proxy kata-runtime kata-shim kubernetes kubernetes-cni kubernetes-cni-plugins kubernetes-dashboard olcne yq security update

coredns 1.3.1-1.0.6 - Address CVE-2020-16845 1.3.1-1.0.5 - Fix image location cri-o 1.14.7-1.0.8 - Address CVE-2020-16845 cri-tools 1.14.0-1.0.6 - Address CVE-2020-16845 etcd 3.3.10-1.0.5 - Address CVE-2020-16845 3.3.10-1.0.4 - Fix image location flannel 0.10.0-2.1.12 - Address CVE-2020-16845...

Oracle Linux 7 : olcne / conmon / coredns / cri-o / cri-tools / etcd / flannel / grafana / helm / istio / kata / kata-agent / kata-image / kata-ksm-throttler / kata-proxy / kata-runtime / kata-shim / kubernetes / kubernetes-cni / kubernetes-cni-plugins / kubernetes-dashboard / prometheus / yq (ELSA-2020-5827)

The remote Oracle Linux 7 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2020-5827 advisory. - Address CVE-2020-16845 conmon - Address CVE-2020-16845 coredns - Address CVE-2020-16845 cri-o - Address CVE-2020-16845 cri-tools - Address CVE-2020-16845 -...

Kubernetes: exposed Git Repo at http://api.e2e-kops-aws-canary.test-cncf-aws.canary.k8s.io/.git/

Dear Security team, If this report is out of scope, please let me know and I will close the report myself I found a git repository on http://api.e2e-kops-aws-canary.test-cncf-aws.canary.k8s.io/.git/.git. This endpoint allows an attacker to retrieve much of the source code and git history for this...

Basics of Keeping Kubernetes Clusters Secure Part 1

With Kubernetes’ popularity and high adoption rates, its security should always be prioritized. We provide vital tips and recommendations on keeping the master node, the API server, etcd, RBAC, and network policies secure...

Security Bulletin: Red Hat OpenShift on IBM Cloud is affected by a Kubernetes kubelet and kube-proxy security vulnerability (CVE-2020-8558)

Summary Red Hat OpenShift on IBM Cloud is affected by a security vulnerability in the Kubernetes kubelet and kube-proxy that could allow neighboring nodes to bypass localhost boundary CVE-2020-8558 Vulnerability Details CVEID: CVE-2020-8558 Description: Kubernetes kube-proxy could allow a remote...

Important: Red Hat Bug Fix Advisory: OpenShift Container Platform 4.4.18 packages update

Red Hat OpenShift Container Platform release 4.4.18 is now available with updates to packages and images that fix several bugs. Red Hat OpenShift Container Platform is Red Hat's cloud computing Kubernetes application platform solution designed for on-premise or private cloud deployments. This...

Kubernetes: secret leaks in vsphere cloud controller manager log

Report Submission Form Summary: When create k8s cluster over vsphere and enable vsphere as cloud provider. With logging level set to 4 or above, secret information will be printed out in the cloud controller manager's log. Kubernetes Version: 1.18.6 Component Version: legacy cloud provider Steps ...

Moderate: Red Hat Security Advisory: OpenShift Container Platform 4.5.7 openshift-enterprise-hyperkube-container security update

An update for openshift-enterprise-hyperkube-container is now available for Red Hat OpenShift Container Platform 4.5. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity...

Important: Red Hat Security Advisory: OpenShift Container Platform 4.5.7 jenkins and openshift packages security update

An update for jenkins and openshift is now available for Red Hat OpenShift Container Platform 4.5. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available f...

kubernetes: Node disk DOS by writing to container /etc/hosts

A flaw was found in Kubernetes, where the amount of disk space the /etc/hosts file can use is unconstrained . This flaw can allow attacker-controlled pods to cause a denial of service if they have permission to write to the node's /etc/hosts file...

RHEL 7 / 8 : OpenShift Container Platform 4.5.7 jenkins and openshift (RHSA-2020:3519)

The remote Redhat Enterprise Linux 7 / 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2020:3519 advisory. Red Hat OpenShift Container Platform is Red Hat's cloud computing Kubernetes application platform solution designed for on-premise or...

Oracle Linux 7 : kubernetes / kubeadm-ha-setup / kubernetes-cni / kubernetes-cni-plugins (ELSA-2020-5825)

The remote Oracle Linux 7 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2020-5825 advisory. - Address CVE-2020-16845 kubeadm-ha-setup - Address CVE-2020-16845 kubernetes-cni Tenable has extracted the preceding description block directly from the Oracle...

kubernetes kubeadm-ha-setup kubernetes-cni kubernetes-cni-plugins security update

kubernetes 1.12.10-1.0.15 - Address CVE-2020-16845 kubeadm-ha-setup 0.0.2-1.0.73 - Fix update to coredns image tag 0.0.2-1.0.72 - Address CVE-2020-16845 kubernetes-cni 0.7.1-1.0.3 - Pin min version of cni-plugins kubernetes-cni-plugins 0.8.6-1.0.3 - Address CVE-2020-16845...

Security Bulletin: IBM Cloud Private is vulnerable to a Kubernetes vulnerability (CVE-2019-11254)

Summary IBM Cloud Private is vulnerable to a Kubernetes vulnerability Vulnerability Details CVEID: CVE-2019-11254 DESCRIPTION: Kubernetes is vulnerable to a denial of service, caused by a flaw in kube-apiserver. By sending a specially-crafted request using YAML payloads, a remote authenticated...