CVE-2019-3779

container_runtime: Improper Access Control (CVE-2019-3779)

Description

Cloud Foundry Container Runtime, versions prior to 0.29.0, deploys Kubernetes clusters utilize the same CA (Certificate Authority) to sign and trust certs for ETCD as used by the Kubernetes API. This could allow a user authenticated with a cluster to request a signed certificate leveraging the Kubernetes CSR capability to obtain a credential that could escalate privilege access to ETCD.

Source: CVELISTV5NVD

Metrics

Severity
high
no public PoC known
8.8
Source: nvd-v3
49.8 %
High — this CVE ranks above the median of all CVEs scored today (rank ≥ 36%).
0.7 %
Low — model estimates < 1% exploitation likelihood.
Published
2019-03-08 16:00 UTC
CWE-284

Weakness classes (CWE)

  • CWE-284Pillar

    Improper Access Control

    The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.

    cwe.mitre.org →

Affected products

Products and version ranges extracted from the vendor/CERT advisory. A range like „<4.14.6“ implies the update recommendation „upgrade to 4.14.6 or later“.

  • cloudfoundry

    container_runtime0.29.0

References & sources

IDCVE-2019-3779