Kubernetes Security Is Not Container Security

Container-specific security I recently had an interesting discussion with Gianluca Brindisi from Spotify about the differences between Kubernetes security and container security. Typically, the discussion about container security focuses on general questions that aren’t focused on a specific...

Security Bulletin: Red Hat OpenShift on IBM Cloud is affected by a Kubernetes security vulnerability (CVE-2020-8554)

Summary Red Hat OpenShift on IBM Cloud is affected by a Kubernetes security vulnerability that could allow a malicious user to intercept traffic from other pods or nodes in the cluster CVE-2020-8554 Vulnerability Details CVEID: CVE-2020-8554 Description: Kubernetes could allow a remote...

SUSE-SU-2020:3760-1 Security changes in Kubernetes, etcd, and helm; Bugfix in cri-o package

= Required Actions == Kubernetes & etcd Security fixes This fix involves an upgrade of Kubernetes and some add-ons. See https://documentation.suse.com/suse-caasp/4.2/html/caasp-admin/clusterupdates.htmlupdatingkubernetescomponents for the upgrade procedure. == Skuba & helm/helm3 In order to updat...

Kubernetes: Development Application Credentials + Information Exposed

Issue Description When I browsed through all the JS files on prow.k8s.io I came across a link called /config which contains a configuration disclosure for the development files URL Vulnerabilities https://prow.k8s.io/config Proof On Concept javascript - continuous-integration/travis-ci kubespray:...

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...

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 ...

10 minutes to secure your Kubernetes application without giving up on customization: Wallarm WAF as a sidecar container with plain Kubernetes manifests

In this series’ previous article, we added the AI-powered Wallarm WAF to our Helm chart bundled application as a sidecar container. As you can see, 10 minutes is the time we need to stop worrying about rules, lists, and attacks, and start focusing on performance, optimization, and deployment. As...

10 minutes to secure your Kubernetes application without giving up on customization: Wallarm WAF as a sidecar container with plain Kubernetes manifests

In this series’ previous article, we added the AI-powered Wallarm WAF to our Helm chart bundled application as a sidecar container. As you can see, 10 minutes is the time we need to stop worrying about rules, lists, and attacks, and start focusing on performance, optimization, and deployment. As...

SUSE-RU-2020:2204-1 Bugfixes on cilium, gangway and skuba and security fix for Kubernetes (cve-2020-8557)

= Required Actions == Kubernetes Security fix This fix will be applied to the kubelet daemon running on the nodes by skuba-update. See https://documentation.suse.com/suse-caasp/4.2/html/caasp-admin/clusterupdates.htmlbaseosupdates for more details. Make sure you look at the Release Notes...

CVE-2018-1002104

Versions 1.5 of the Kubernetes ingress default backend, which handles invalid ingress traffic, exposed prometheus metrics publicly...

CVE-2019-11243

In Kubernetes v1.12.0-v1.12.4 and v1.13.0, the rest.AnonymousClientConfig method returns a copy of the provided config, with credentials removed bearer token, username/password, and client certificate/key data. In the affected versions, rest.AnonymousClientConfig did not effectively clear service...

Default credentials

Versions 1.5 of the Kubernetes ingress default backend, which handles invalid ingress traffic, exposed prometheus metrics publicly...

Security Bulletin: IBM Cloud Kubernetes Service is affected by Kubernetes security vulnerability (CVE-2019-11247)

Summary IBM Cloud Kubernetes Service is affected by a security vulnerability in Kubernetes API server that allows access to custom resources via wrong scope CVE-2019-11247 Vulnerability Details CVE-ID: CVE-2019-11247 Description: Kubernetes could allow a remote authenticated attacker to gain...

CVE-2019-11243

Kubernetes CVE-2019-11243 affects v1.12.0–v1.12.4 and v1.13.0, where rest.AnonymousClientConfig() copies the config without clearing service account credentials loaded via rest.InClusterConfig(), potentially exposing credentials. Upgrade to a fixed version per vendor advisories.

CVE-2015-7528

Kubernetes before 1.2.0-alpha.5 allows remote attackers to read arbitrary pod logs via a container name...

CVE-2015-7528

CVE-2015-7528 affects Kubernetes prior to 1.2.0-alpha.5, where the API/back end could be leveraged to read arbitrary pod logs by specifying a container name. The root cause is insufficient verification of log-location requests, enabling a remote attacker to access pod logs that should be restrict...