Bug 2213121 (CVE-2023-1943)

Summary: CVE-2023-1943 kubernetes/kops: Privilege Escalation in kOps using GCE/GCP Provider in Gossip Mode
Product: [Other] Security Response Reporter: Avinash Hanwate <ahanwate>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED NOTABUG QA Contact:
Severity: high Docs Contact:
Priority: high    
Version: unspecifiedCC: joelsmith, security-response-team
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: kops 1.26.2, kops 1.25.4 Doc Type: If docs needed, set a value
Doc Text:
A flaw was found in the Kubernetes kOps. Affected versions of Kubernetes kOps could allow a remote authenticated attacker to gain elevated privileges on the system caused by a vulnerability when using the GCE/GCP Provider in Gossip Mode. By sending a specially-crafted request, an authenticated attacker can gain elevated privileges to cluster-admin permissions.
Story Points: ---
Clone Of: Environment:
Last Closed: 2023-06-22 18:40:31 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On:    
Bug Blocks: 2213091    

Description Avinash Hanwate 2023-06-07 07:15:37 UTC
A security issue was reported in kOps <https://github.com/kubernetes/kops> with the GCP Provider running in Gossip Mode <https://kops.sigs.k8s.io/gossip/>, where Node service account credentials could be used by a container running in the cluster to retrieve sensitive
information from the state storage bucket and escalate to cluster-admin permissions.

Comment 1 Product Security DevOps Team 2023-06-22 18:40:29 UTC
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2023-1943