Input validation error in Java client for Kubernetes & OpenShift - CVE-2021-4178

Vulnerability identifier: #VU60453

CSH Severity: Low

CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2021-4178

CWE-ID: CWE-20

Exploitation vector: Local access

Exploit availability: No public exploit available

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to insufficient validation of user-supplied input when parsing YAML files. A local user can supply a specially crafted YAML file and execute arbitrary code with elevated privileges.

Java client for Kubernetes & OpenShift
AMQ Streams
Cloudera Data Platform Private Cloud Base for IBM
Event Streams
jenkins (Red Hat package)
jenkins-2-plugins (Red Hat package)

Install updates from vendor's website.

Java client for Kubernetes & OpenShift - addressed in versions 5.0.3, 5.1.2, 5.3.2, 5.4.2, 5.7.4, 5.8.1, 5.11.2
AMQ Streams - addressed in versions 1.6.7, 2.0.1
Cloudera Data Platform Private Cloud Base for IBM - addressed in versions 7.1.7 SP3, 7.1.9 SP1
Event Streams - update to 11.0.1
jenkins (Red Hat package) - update to 2.387.3.1684911776-3.el8
jenkins-2-plugins (Red Hat package) - update to 4.13.1684911916-1.el8

• https://bugzilla.redhat.com/show_bug.cgi?id=2034388

• Privilege escalation in fabric8io Java client for Kubernetes
• Multiple vulnerabilities in Red Hat AMQ Streams 1.6
• Multiple vulnerabilities in Red Hat AMQ Streams 2.0
• Privilege escalation in IBM Event Streams
• OpenShift Developer Tools and Services for OCP 4.13 update for jenkins and jenkins-2-plugins
• Multiple vulnerabilities in Cloudera Data Platform Private Cloud Base with IBM (CDP)