Vulnerability Details : 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.
Vulnerability category: BypassGain privilege
Products affected by CVE-2019-3779
- cpe:2.3:a:cloudfoundry:container_runtime:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2019-3779
0.10%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 40 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2019-3779
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
4.0
|
MEDIUM | AV:N/AC:L/Au:S/C:P/I:N/A:N |
8.0
|
2.9
|
NIST | |
8.8
|
HIGH | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
2.8
|
5.9
|
NIST | |
8.8
|
HIGH | CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
2.8
|
5.9
|
Dell |
CWE ids for CVE-2019-3779
-
Assigned by: nvd@nist.gov (Primary)
-
The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.Assigned by: security_alert@emc.com (Secondary)
References for CVE-2019-3779
-
https://www.cloudfoundry.org/blog/cve-2019-3779
CVE-2019-3779: Cloud Foundry Container Runtime allows a user to bypass security policy when talking to ETCD | Cloud FoundryVendor Advisory
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