IBM Support

Security Bulletin: SSL certificate validation disabled through a vulnerability in the Auto-Scaling for Bluemix service agent (CVE-2016-0323)

Security Bulletin


Summary

Liberty for Java applications bound to the Auto-Scaling for Bluemix service have SSL certificate validation disabled through a vulnerability in the agent for the service. The default SSL connection factory for https requests is set to bypass all trust management in this vulnerability.

Vulnerability Details

CVEID: CVE-2016-0323
DESCRIPTION:
IBM Bluemix could allow an authenticated attacker to disable SSL certification check through a vulnerability in the Auto-Scaling agent.
CVSS Base Score: 6.5
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/111623 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

This vulnerability affects all versions of Liberty for Java in IBM Bluemix prior to version v2.7-20160321-1358 that have also been bound to the Auto-Scaling for Bluemix service.

Remediation/Fixes

To upgrade to Liberty for Java v2.7-20160321-1358 or higher, you must re-stage or re-push your application. To check which version of the Liberty for Java runtime your Bluemix application is using, navigate to the "Files" menu item for your application through the Bluemix UI. In the "logs" directory, check the "staging_task.log".

You can also find this file through the command-line Cloud Foundry client by running the following command:

cf files <appname> logs/staging_task.log

You can see

-----> Liberty Buildpack Version: _________

To re-stage your application using the command-line Cloud Foundry client, use the following command:

cf restage <appname>

To re-push your application using the command-line Cloud Foundry client, use the following command:

cf push <appname>

Workarounds and Mitigations

Unbound the Auto-Scaling for Bluemix service from Liberty for Java for Bluemix and restage the application.

Get Notified about Future Security Bulletins

References

Off

*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

According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an "industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response." IBM PROVIDES THE CVSS SCORES ""AS IS"" WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.

[{"Product":{"code":"SS2PX6","label":"IBM Bluemix"},"Business Unit":{"code":"BU053","label":"Cloud & Data Platform"},"Component":"--","Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"Version Independent","Edition":"All Editions","Line of Business":{"code":"","label":""}}]

Document Information

Modified date:
15 June 2018

UID

swg21979682