Security Bulletin: Security Vulnerabilities affect IBM Cloud Private Kubernetes (CVE-2019-11247, CVE-2019-11249)

Summary

Security Vulnerabilities affect IBM Cloud Private Kubernetes

Vulnerability Details

CVEID: CVE-2019-11247 DESCRIPTION: Kubernetes could allow a remote authenticated attacker to gain unauthorized access to the system, caused by an error in the API server. By sending a specially crafted request using the wrong scope, an attacker could exploit this vulnerability to create, view, update or delete the cluster-scoped resource.
CVSS Base Score: 8.1
CVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/164767&gt; for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N)

CVEID: CVE-2019-11249 DESCRIPTION: Kubernetes could allow a remote authenticated attacker to traverse directories on the system, caused by an incomplete fix for CVE-2019-1002101 and CVE-2019-11246. By persuading a victim to use the kubectl cp command with a malicious container, an attacker could replace or create arbitrary files on a users workstation.
CVSS Base Score: 6.5
CVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/164768&gt; for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N)

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 Oct fixpack or patch:

• IBM Cloud Private 3.2.0 Oct fixpack
• IBM Cloud Private 3.2.0 patch

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