Security Bulletin: Vulnerability in SSLv3 affects IBM BNT Uplink Ethernet Switch Modules for IBM BladeCenter (CVE-2014-3566)

Summary

SSLv3 contains a vulnerability that has been referred to as the Padding Oracle On Downgraded Legacy Encryption (POODLE) attack. SSLv3 is enabled in IBM BNT Uplink Ethernet Switch Modules for IBM BladeCenter.

Vulnerability Details

Summary

SSLv3 contains a vulnerability that has been referred to as the Padding Oracle On Downgraded Legacy Encryption (POODLE) attack. SSLv3 is enabled in IBM BNT Uplink Ethernet Switch Modules for IBM BladeCenter.

Vulnerability Details:

CVE-ID: CVE-2014-3566

Description: IBM BNT Uplink Ethernet Switch Modules for IBM BladeCenter could allow a remote attacker to obtain sensitive information, caused by a design error when using the SSLv3 protocol. A remote user with the ability to conduct a man-in-the-middle attack could exploit this vulnerability via a POODLE (Padding Oracle On Downgraded Legacy Encryption) attack to decrypt SSL sessions and access the plaintext of encrypted connections.

CVSS Base Score: 4.3
CVSS Temporal Score: See <http://xforce.iss.net/xforce/xfdb/97013&gt; for current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:M/Au:N/C:P/I:N/A:N)

Affected products and versions

• IBM 1:10G Switch for BladeCenter — All releases
• IBM 1G Switch for BladeCenter — All releases

Remediation/Fixes:

None

Workaround(s) & Mitigation(s):

IBM recommends that you disable SSLv3 from any internet browsers that you use with the IBM BNT Uplink Ethernet Switch Modules for IBM BladeCenter. For instructions on how to disable SSLv3 on any browsers, please refer to its product documentation from the browser vendor. Here are the instructions for certain browsers:
Internet Explorer: https://technet.microsoft.com/en-us/library/security/3009008.aspx
FireFox: <http://kb.mozillazine.org/Security.tls.version.*&gt;
Chrome: http://googleonlinesecurity.blogspot.com.au/2014/10/this-poodle-bites-exploiting-ssl-30.html

You should verify disabling SSLv3 on your browser will not cause any compatibility issues.

IBM recommends that you review your entire environment to identify areas that enable the SSLv3 protocol and take appropriate mitigation and remediation actions. The most immediate mitigation action that can be taken is disabling SSLv3. Again, you should verify disabling SSLv3 does not cause any compatibility issues.

References:

• Complete CVSS Guide
• On-line Calculator V2

Related Information:
IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

Acknowledgement

None

Change History
22 April 2015: Original Copy Published

• 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.