Security Bulletin: Vulnerability in IBM WebSphere Application Server affects IBM MQ Light (CVE-2015-0138)

Summary

The “FREAK: Factoring Attack on RSA-EXPORT keys" TLS/SSL client and server vulnerability affects IBM WebSphere Application Server Liberty Profile Version 8.5.5 that is used by IBM MQ Light.

Vulnerability Details

CVEID: CVE-2015-0138_
_**DESCRIPTION:**A vulnerability in various IBM SSL/TLS implementations could allow a remote attacker to downgrade the security of certain SSL/TLS connections. An IBM SSL/TLS client implementation could accept the use of an RSA temporary key in a non-export RSA key exchange ciphersuite. This could allow a remote attacker using man-in-the-middle techniques to facilitate brute-force decryption of TLS/SSL traffic between vulnerable clients and servers.

This vulnerability is also known as the FREAK attack.

CVSS Base Score: 4.3
CVSS Temporal Score: See <http://exchange.xforce.ibmcloud.com/#/vulnerabilities/100691&gt; for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:M/Au:N/C:N/I:P/A:N)

Affected Products and Versions

The vulnerability affects users of IBM MQ Light V1.0 and V1.0.0.1 on all platforms.

Remediation/Fixes

Download and install the appropriate MQ Light Server for your platform as shown below:

The following link describes how to re-use the data from your existing installation:
http://www.ibm.com/support/knowledgecenter/SSBJCR_1.0.0/com.ibm.mq.koa.doc/tmql_data.htm

You should verify applying this fix does not cause any compatibility issues.

Workarounds and Mitigations

None