Published: 01/09/2022 Updated: 12/02/2023

CVSS v3 Base Score: 6.5 | Impact Score: 3.6 | Exploitability Score: 2.8

VMScore: 0

A credentials leak was found in the OpenShift Container Platform. The private key for the external cluster certificate was stored incorrectly in the oauth-serving-cert ConfigMaps, and accessible to any authenticated OpenShift user or service-account. A malicious user could exploit this flaw by reading the oauth-serving-cert ConfigMap in the openshift-config-managed namespace, compromising any web traffic secured using that certificate.

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redhat openshift

Synopsis Important: OpenShift Container Platform 41024 bug fix and security update Type/Severity Security Advisory: Important Topic Red Hat OpenShift Container Platform release 41024 is now available withupdates to packages and images that fix several bugs and add enhancementsThis release includes a security update for Red Hat OpenShift ...

Synopsis Important: OpenShift Container Platform 4945 bug fix and security update Type/Severity Security Advisory: Important Topic Red Hat OpenShift Container Platform release 4945 is now available withupdates to packages and images that fix several bugs and add enhancementsThis release includes a security update for Red Hat OpenShift Co ...

A credentials leak was found in the OpenShift Container Platform The private key for the external cluster certificate was incorrectly stored in the oauth-serving-cert ConfigMaps, and accessible to any authenticated OpenShift user or service-account A malicious user could exploit this by reading the oauth-serving-cert ConfigMap in either the opens ...

Kubernetes webhook that filters private keys from configmaps

ConfigMap Cleaner Webhook A Kubernetes mutating webhook that cleans ConfigMaps by removing private keys, before they are stored in etcd This is a demonstration of a mitigation option for CVE-2022-2403 THIS IS ONLY DEMO CODE, NOT OFFICIALLY SUPPORTED SOFTWARE Deploy Log in to OpenShift cluster, then: $ make deploy IMG=quayio/sfowler/configmap-cleaner:v1

CWE-497 https://bugzilla.redhat.com/show_bug.cgi?id=2101959 https://access.redhat.com/security/cve/CVE-2022-2403 https://access.redhat.com/errata/RHSA-2022:5664 https://nvd.nist.gov https://github.com/sfowl/configmap-cleaner https://access.redhat.com/security/cve/cve-2022-2403

CVE-2022-2403

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