Permissions, Privileges, and Access Controls in apiserver - CVE-2023-1260
Published: July 21, 2023
Vulnerability identifier: #VU78481
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2023-1260
CWE-ID: CWE-264
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Kubernetes
Affected software:
apiserver
apiserver
Detailed vulnerability description
The vulnerability allows a remote user to escalate privileges within the application.
The vulnerability exists due to improper access restrictions within kube-apiserver. A remote authenticated user with "update, patch" permissions to the "pods/ephemeralcontainers" subresource can bypass SCC admission restrictions and gain control over a privileged pod.
How to mitigate CVE-2023-1260
Install updates from vendor's website.