Security Bulletin
Summary
SSLv3 contains a vulnerability that has been referred to as the Padding Oracle On Downgraded Legacy Encryption (POODLE) attack. SSLv3 is enabled in WebSphere Lombardi Edition.
Vulnerability Details
CVE-ID: CVE-2014-3566
DESCRIPTION: WebSphere Lombardi Edition 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 https://exchange.xforce.ibmcloud.com/vulnerabilities/97013 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:M/Au:N/C:P/I:N/A:N)
Affected Products and Versions
This vulnerability affects some versions and releases of WebSphere Lombardi Edition.
Remediation/Fixes
WebSphere Lombardi Edition completely relies on WebSphere Application Server to provide HTTPS capabilities.
IBM recommends that customers install an interim fix for the IBM JDK to disable SSLv3. For information on the required fix, refer to the the Remediation/Fixes section in the following bulletin: Security Bulletin: Vulnerability in SSLv3 affects IBM WebSphere Application Server (CVE-2014-3566)
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. You should verify disabling SSLv3 does not cause any compatibility issues.
The eclipse based Process Designer tool includes another instance of the IBM SDK for Java. In order to also disable tolerance of SSLv3 connections from this development tool, please install IT05359 as appropriate for your version of WebSphere Lombardi Edition:
Workarounds and Mitigations
Customers who cannot or do not want to install the fix recommended in the "Remediation/Fixes" section of this security bulletin can disable the use of SSLv3 using manual configuration as described in "Workarounds and Mitigations" under the "Client configuration files" section in the following bulletin: Security Bulletin: Vulnerability in SSLv3 affects IBM WebSphere Application Server (CVE-2014-3566)
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References
Change History
2014-11-14 - Original Version Published
2014-12-15 - added Process Designer link
*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.
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Document Information
Modified date:
15 June 2018
UID
swg21689726