Cloud Foundry Container Runtime allows a user to bypass security policy when talking to ETCD
CVE-2019-3779

8.8HIGH

Key Information:

Vendor

Cloud Foundry

Status
Cloud Foundry Container Runtime (cfcr)
Vendor
CVE Published:
8 March 2019

What is CVE-2019-3779?

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.

Affected Version(s)

Cloud Foundry Container Runtime (CFCR) All

References

https://www.cloudfoundry.org/blog/cve-2019-3779
x_refsource_CONFIRM

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

CVSS V3.0

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Adjacent Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.