Security Bulletin: A Security Vulnerability affects IBM Cloud Private Kubernetes (CVE-2019-11248)

Summary

A security vulnerability affects IBM Cloud Private Kubernetes

Vulnerability Details

CVEID: CVE-2019-11248 DESCRIPTION: Kubernetes could allow a remote attacker to obtain sensitive information, caused by the exposure of the debugging endpoint /debug/pprof by default on Kubelet healthz port. An attacker could exploit this vulnerability to obtain internal Kubelet memory addresses and configuration or cause a denial of service.
CVSS Base Score: 6.5
CVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/164836&gt; for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L)

Affected Products and Versions

IBM Cloud Private 3.1.0, 3.1.1, 3.1.2, 3.2.0

Remediation/Fixes

Product defect fixes and security updates are only available for the two most recent Continuous Delivery (CD) update packages

• IBM Cloud Private 3.2.1
• IBM Cloud Private 3.2.0

For IBM Cloud Private 3.2.0, apply October fix pack:

• IBM Cloud Private 3.2.0.1910 fix pack

For IBM Cloud Private 3.1.0, 3.1.1, 3.1.2:

• Upgrade to the latest Continuous Delivery (CD) update package, IBM Cloud Private 3.2.1.
• If required, individual product fixes can be made available between CD update packages for resolution of problems. Contact IBM support for assistance

Workarounds and Mitigations

None