Security Bulletin: IBM Cloud Kubernetes Service is affected by a Kubernetes API server security vulnerability (CVE-2020-8559)

Summary IBM Cloud Kubernetes Service is affected by a security vulnerability in the Kubernetes API server that could enable a privilege escalation from a compromised node CVE-2020-8559 Vulnerability Details CVEID: CVE-2020-8559 Description: Kubernetes kube-apiserver could allow a remote...

DEBIAN-CVE-2020-8559

The Kubernetes kube-apiserver in versions v1.6-v1.15, and versions prior to v1.16.13, v1.17.9 and v1.18.6 are vulnerable to an unvalidated redirect on proxied upgrade requests that could allow an attacker to escalate privileges from a node compromise to a full cluster compromise...

Exploit for Open Redirect in Kubernetes

Kubernetes CVE-2020-8559 Proof of Concept PoC Exploit This...

Security Bulletin: Red Hat OpenShift on IBM Cloud is affected by a Kubernetes API server security vulnerability (CVE-2019-11254)

Summary Red Hat OpenShift on IBM Cloud is affected by a security vulnerability in the Kubernetes API server that could lead to a denial of service vulnerability from malicious YAML payloads CVE-2019-11254 Vulnerability Details CVEID: CVE-2019-11254 Description: Kubernetes is vulnerable to a denia...

kubernetes: Denial of service in API server via crafted YAML payloads by authorized users

The Kubernetes API Server component in versions 1.1-1.14, and versions prior to 1.15.10, 1.16.7 and 1.17.3 allows an authorized user who sends malicious YAML payloads to cause the kube-apiserver to consume excessive CPU cycles while parsing YAML...

kubernetes: YAML parsing vulnerable to "Billion Laughs" attack, allowing for remote denial of service

A flaw was found kubernetes. The parsing of YAML manifests by the Kubernetes API server could lead to a denial-of-service attack leaving it vulnerable to an instance of a "billion laughs" attack. The highest threat from this vulnerability is to system availability...

Moderate: Red Hat Security Advisory: OpenShift Container Platform 3.11 atomic-openshift security update

An update for atomic-openshift is now available for Red Hat OpenShift Container Platform 3.11. 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 ea...

kubernetes: Denial of service in API server via crafted YAML payloads by authorized users

The Kubernetes API Server component in versions 1.1-1.14, and versions prior to 1.15.10, 1.16.7 and 1.17.3 allows an authorized user who sends malicious YAML payloads to cause the kube-apiserver to consume excessive CPU cycles while parsing YAML...

CVE-2020-10752

A flaw was found in the OpenShift API Server, where it failed to sufficiently protect OAuthTokens by leaking them into the logs when an API Server panic occurred. This flaw allows an attacker with the ability to cause an API Server error to read the logs, and use the leaked OAuthToken to log into...

CVE-2020-10752

A flaw was found in the OpenShift API Server, where it failed to sufficiently protect OAuthTokens by leaking them into the logs when an API Server panic occurred. This flaw allows an attacker with the ability to cause an API Server error to read the logs, and use the leaked OAuthToken to log into...

Design/Logic Flaw

A flaw was found in the OpenShift API Server, where it failed to sufficiently protect OAuthTokens by leaking them into the logs when an API Server panic occurred. This flaw allows an attacker with the ability to cause an API Server error to read the logs, and use the leaked OAuthToken to log into...

CVE-2020-10752

A flaw was found in the OpenShift API Server, where it failed to sufficiently protect OAuthTokens by leaking them into the logs when an API Server panic occurred. This flaw allows an attacker with the ability to cause an API Server error to read the logs, and use the leaked OAuthToken to log into...

CVE-2020-10752

CVE-2020-10752 — OpenShift API Server leaks OAuthTokens into logs during panics, enabling an attacker who can trigger an API error to read logs and reuse the leaked token to authenticate. Public details in provided documents confirm the vulnerability and its access/impact but do not include produ...

CVE-2020-10752

A flaw was found in the OpenShift API Server, where it failed to sufficiently protect OAuthTokens by leaking them into the logs when an API Server panic occurred. This flaw allows an attacker with the ability to cause an API Server error to read the logs, and use the leaked OAuthToken to log into...

Misconfigured Kubeflow workloads are a security risk

Azure Security Center ASC monitors and defends thousands of Kubernetes clusters running on top of AKS. Azure Security Center regularly searches for and research for new attack vectors against Kubernetes workloads. We recently published a blog post about a large scale campaign against Kubernetes...

CVE-2020-10752

A flaw was found in the OpenShift API Server, where it failed to sufficiently protect OAuthTokens by leaking them into the logs when an API Server panic occurred. This flaw allows an attacker with the ability to cause an API Server error to read the logs, and use the leaked OAuthToken to log into...

kubernetes: Use of unbounded 'client' label in apiserver_request_total allows for memory exhaustion

A denial of service vulnerability was found in the Kubernetes API server. This flaw allows a remote attacker to send repeated, crafted HTTP requests to exhaust available memory and cause a crash...

Kubernetes: Bypass apiserver proxy filter

Report Submission Form Summary: TL,DR: Time-of-check apiserver proxy filter Time-of-use apiserver proxy request Race Condition. When the apiserver is proxying a request to a node though one of its addresses, it performs a filter validation. If the address type is a DNS record Hostname, ExternalDN...

kubernetes: Use of unbounded 'client' label in apiserver_request_total allows for memory exhaustion

A denial of service vulnerability was found in the Kubernetes API server. This flaw allows a remote attacker to send repeated, crafted HTTP requests to exhaust available memory and cause a crash...

CVE-2019-10165

OpenShift Container Platform before version 4.1.3 writes OAuth tokens in plaintext to the audit logs for the Kubernetes API server and OpenShift API server. A user with sufficient privileges could recover OAuth tokens from these audit logs and use them to access other resources...