CVE-2019-11248 Information

Description

The debugging endpoint /debug/pprof is exposed over the unauthenticated Kubelet healthz port. The go pprof endpoint is exposed over the Kubelet’s healthz port. This debugging endpoint can potentially leak sensitive information such as internal Kubelet memory addresses and configuration or for limited denial of service. Versions prior to 1.15.0 1.14.4 1.13.8 and 1.12.10 are affected. The issue is of medium severity but not exposed by the default configuration.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L

Reference

https://github.com/kubernetes/kubernetes/issues/81023 https://groups.google.com/d/msg/kubernetes-security-announce/pKELclHIov8/BEDtRELACQAJ https://security.netapp.com/advisory/ntap-20190919-0003/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

LOW

Base Severity

8.2