Information disclosure in Kubernetes
CVE-2019-11250
The Kubernetes client-go library logs request headers at verbosity levels of 7 or higher. This can disclose credentials to unauthorized users via logs or command output. Kubernetes components (such as kube-apiserver) prior to v1.16.0, which make use of basic or bearer token authentication, and run at high verbosity levels, are affected.
EPSS: 0.018 (75.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.
Affected products
- Kubernetes — versions 1.15.3, prior to 1.16, 1.16.0
- Redhat Openshift_container_platform — versions 3.11, 4.1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- jordan@liggitt.net (x_refsource_CONFIRM, Third Party Advisory)
- jordan@liggitt.net (x_refsource_CONFIRM, Third Party Advisory)
- jordan@liggitt.net (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- jordan@liggitt.net (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- jordan@liggitt.net (mailing-list, x_refsource_MLIST)
Frequently asked questions
- What is CVE-2019-11250?
- CVE-2019-11250 is a medium-severity vulnerability in Kubernetes, classified under Insertion of Sensitive Information into Log File. CVSS score: 6.5/10. Published 2019-08-29.
- How severe is CVE-2019-11250?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2019-11250 known to be exploited?
- 6 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.