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Rancher <= 2.2.4 Privilege Escalation Vulnerability
Information
Severity
Severity
Medium
Family
Family
Privilege escalation
CVSSv2 Base
CVSSv2 Base
4.0
CVSSv2 Vector
CVSSv2 Vector
AV:N/AC:L/Au:S/C:P/I:N/A:N
Solution Type
Solution Type
Vendor Patch
Created
Created
4 years ago
Modified
Modified
4 years ago
Summary
Rancher is prone to a privilege escalation vulnerability.
Insight
Insight
Unprivileged users (if allows to deploy nodes) can gain admin access to the Rancher management plane because node driver options intentionally allow posting certain data to the cloud. The problem is that a user could choose to post a sensitive file such as /root/.kube/config or /var/lib/rancher/management-state/cred/kubeconfig-system.yaml.
Affected Software
Affected Software
Rancher through version 2.2.3.
Detection Method
Detection Method
Checks if a vulnerable version is present on the target host.
Solution
Solution
Update to version 2.2.4.