CVE-2021-20218

A flaw was found in the fabric8 kubernetes-client in version 4.2.0 and after. This flaw allows a malicious pod/container to cause applications using the fabric8 kubernetes-client `copy` command to extract files outside the working path. The highest threat from this vulnerability is to integrity and system availability. This has been fixed in kubernetes-client-4.13.2 kubernetes-client-5.0.2 kubernetes-client-4.11.2 kubernetes-client-4.7.2

CVSS v3 7.4 HIGH
CVSS v2.0 5.8 MEDIUM

7.4^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.2 / Impact : 5.2

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

5.8^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:M/Au:N/C:N/I:P/A:P

Exploitability : 8.6 / Impact : 4.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://bugzilla.redhat.com/show_bug.cgi?id=1923405	Issue Tracking Vendor Advisory
https://github.com/fabric8io/kubernetes-client/issues/2715	Patch Third Party Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:redhat:kubernetes-client::::::::
	cpe:2.3:a:redhat:kubernetes-client::::::::
	cpe:2.3:a:redhat:kubernetes-client::::::::
	cpe:2.3:a:redhat:kubernetes-client::::::::

Configuration 2 (hide)

OR	cpe:2.3:a:redhat:a-mq_online:-:::::::*
	cpe:2.3:a:redhat:build_of_quarkus:-:::::::*
	cpe:2.3:a:redhat:codeready_studio:12.0:::::::*
	cpe:2.3:a:redhat:descision_manager:7.0:::::::*
	cpe:2.3:a:redhat:integration_camel_k:-:::::::*
	cpe:2.3:a:redhat:jboss_fuse:7.0.0:::::::*
	cpe:2.3:a:redhat:openshift_container_platform:3.11:::::::*
	cpe:2.3:a:redhat:process_automation:7.0:::::::*

History

No history.

Information

Published : 2021-03-16 21:15

Updated : 2024-02-28 18:08

NVD link : CVE-2021-20218

Mitre link : CVE-2021-20218

CVE.ORG link : CVE-2021-20218

JSON object : View

Products Affected

redhat

codeready_studio
descision_manager
jboss_fuse
build_of_quarkus
a-mq_online
openshift_container_platform
process_automation
integration_camel_k
kubernetes-client

CWE

CWE-22

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

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