Vulnerability identifier: #VU77653
Vulnerability risk: Medium
CVSSv3.1: 7 [CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-269
Exploitation vector: Local network
Exploit availability: No
Vulnerable software:
Kubernetes Operations (kOps)
Server applications /
Other server solutions
Vendor: Kubernetes
Description
The vulnerability allows a remote user to escalate privileges within the cluster.
The vulnerability exists due to improper privilege management in kOps with the GCP Provider running in Gossip Mode. A remote user can abuse the Node service account credentials, used by a container running in the cluster, to retrieve sensitive information from the state storage bucket and escalate to cluster-admin permissions.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Kubernetes Operations (kOps): 1.26.0 - 1.26.1, 1.25.0 - 1.25.3
External links
http://github.com/kubernetes/kops/issues/15539
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the local network (LAN).
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.