CVE-2019-3779

Cloud Foundry Container Runtime allows a user to bypass security policy when talking to ETCD

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.

Categories

8.8
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.15%
Vendor Advisory cloudfoundry.org
Affected: Cloud Foundry Cloud Foundry Container Runtime (CFCR)
Published at:
Updated at:

References

Link Tags
https://www.cloudfoundry.org/blog/cve-2019-3779 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2019-3779?
CVE-2019-3779 has been scored as a high severity vulnerability.
How to fix CVE-2019-3779?
To fix CVE-2019-3779, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2019-3779 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2019-3779 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2019-3779?
CVE-2019-3779 affects Cloud Foundry Cloud Foundry Container Runtime (CFCR).
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