Security Bulletin: Vulnerability in IBM WebSphere Application Server affects WebSphere Business Services Fabric (CVE-2015-0138)

Summary

The “FREAK: Factoring Attack on RSA-EXPORT keys" TLS/SSL client and server vulnerability affects IBM WebSphere Application Server Full Profile that is used by WebSphere Business Services Fabric.

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 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

• WebSphere Business Services Fabric V7.0
  For earlier unsupported versions of the above product IBM recommends upgrading to a fixed, supported version of the product.

Remediation/Fixes

Please consult the security bulletin Security Bulletin: Vulnerability with RSA Export Keys may affect IBM WebSphere Application Server (CVE-2015-0138) for vulnerability details and information about fixes.

Workarounds and Mitigations

None