CVE-2019-11250

Kubernetes client-go logs authorization headers at debug verbosity levels

State: Published
Severity: 4.7 Medium
Published: Aug 29, 2019
Updated: Sep 17, 2024
Reserved: Apr 17, 2019

Description

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.

Scores

CVSS	Score	Vector	Source
3.0	4.7 Medium	CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N	kubernetes

Weaknesses

CWE-532 Inclusion of Sensitive Information in Log Files

Affected Products

Product	Versions
KubernetesKubernetes	prior to 1.16Affected

References

https://github.com/kubernetes/kubernetes/issues/81114
https://security.netapp.com/advisory/ntap-20190919-0003/
RHSA-2019:4052vendor-advisory
RHSA-2019:4087vendor-advisory
[oss-security] 20201016 Kubernetes: Multiple secret leaks when verbose logging is enabledmailing-list

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