CVE-2019-11243 : In Kubernetes v1.12.0-v1.12.4 and v1.13.0, the rest.AnonymousClientConfig() meth

In Kubernetes v1.12.0-v1.12.4 and v1.13.0, the rest.AnonymousClientConfig() method returns a copy of the provided config, with credentials removed (bearer token, username/password, and client certificate/key data). In the affected versions, rest.AnonymousClientConfig() did not effectively clear service account credentials loaded using rest.InClusterConfig()

Published 2019-04-22 15:29:01

Updated 2020-10-02 13:17:22

Source Kubernetes

View at NVD, CVE.org

Products affected by CVE-2019-11243

Netapp » Trident » Version: N/A
cpe:2.3:a:netapp:trident:-:*:*:*:*:*:*:*
Matching versions
Kubernetes » Kubernetes
Versions from including (>=) 1.12.0 and up to, including, (<=) 1.12.4
cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:*
Matching versions
Kubernetes » Kubernetes » Version: 1.13.0
cpe:2.3:a:kubernetes:kubernetes:1.13.0:*:*:*:*:*:*:*
Matching versions

Exploit prediction scoring system (EPSS) score for CVE-2019-11243

EPSS FAQ

0.24%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 46 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2019-11243

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
4.3	MEDIUM	AV:N/AC:M/Au:N/C:P/I:N/A:N	8.6	2.9	NIST
Access Vector: Network Access Complexity: Medium Authentication: None Confidentiality Impact: Partial Integrity Impact: None Availability Impact: None
3.1	LOW	CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N	1.6	1.4	Kubernetes
Attack Vector: Network Attack Complexity: High Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: Low Integrity: None Availability: None
8.1	HIGH	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H	2.2	5.9	NIST
Attack Vector: Network Attack Complexity: High Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High

CWE ids for CVE-2019-11243

CWE-212 Improper Removal of Sensitive Information Before Storage or Transfer

The product stores, transfers, or shares a resource that contains sensitive information, but it does not properly remove that information before the product makes the resource available to unauthorized actors.

Assigned by: nvd@nist.gov (Primary)
CWE-271 Privilege Dropping / Lowering Errors

The product does not drop privileges before passing control of a resource to an actor that does not have those privileges.

Assigned by: jordan@liggitt.net (Secondary)

References for CVE-2019-11243

http://www.securityfocus.com/bid/108053

Kubernetes CVE-2019-11243 Information Disclosure Vulnerability
Third Party Advisory;VDB Entry
https://github.com/kubernetes/kubernetes/issues/76797

CVE-2019-11243: v1.12.0-v1.12.4, v1.13.0: rest.AnonymousClientConfig() does not remove the serviceaccount credentials from config created by rest.InClusterConfig() · Issue #76797 · kubernetes/kubernet
Third Party Advisory
https://security.netapp.com/advisory/ntap-20190509-0002/

May 2019 Kubernetes Vulnerabilities in NetApp Products | NetApp Product Security
Third Party Advisory

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Vulnerability Details : CVE-2019-11243

Products affected by CVE-2019-11243

Exploit prediction scoring system (EPSS) score for CVE-2019-11243

CVSS scores for CVE-2019-11243

CWE ids for CVE-2019-11243

References for CVE-2019-11243