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Security Bulletin: IBM Cloud Private is vulnerable to a Kubernetes vulnerability (CVE-ID: CVE-2019-11244)

Security Bulletin


Summary

IBM Cloud Private is vulnerable to a Kubernetes vulnerability (CVE-ID: CVE-2019-11244)

Vulnerability Details

CVEID:   CVE-2019-11244
DESCRIPTION:   In Kubernetes v1.8.x-v1.14.x, schema info is cached by kubectl in the location specified by --cache-dir (defaulting to $HOME/.kube/http-cache), written with world-writeable permissions (rw-rw-rw-). If --cache-dir is specified and pointed at a different location accessible to other users/groups, the written files may be modified by other users/groups and disrupt the kubectl invocation.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/160042 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N)

Affected Products and Versions

Affected Product(s)Version(s)
IBM Cloud Private3.2.0 CD

Remediation/Fixes

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

  • IBM Cloud Private 3.2.0
For IBM Cloud Private 3.2.0, apply October 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

Get Notified about Future Security Bulletins

References

Off

Change History

30 Dec 2020: Initial Publication

*The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin.

Disclaimer

Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.

Document Location

Worldwide

[{"Business Unit":{"code":"BU053","label":"Cloud & Data Platform"},"Product":{"code":"SSBS6K","label":"IBM Cloud Private"},"Component":"kubernetes","Platform":[{"code":"PF016","label":"Linux"}],"Version":"all","Edition":"NA","Line of Business":{"code":"LOB45","label":"Automation"}}]

Document Information

Modified date:
02 January 2020

UID

ibm11167088