Security Bulletin: Open-source Bouncy Castle vulnerability affects IBM® WebSphere Cast Iron (CVE-2015-7940)

Summary

There is a vulnerability in Bouncy Castle version 1.49 that is used by WebSphere Cast Iron.

Vulnerability Details

CVEID: CVE-2015-7940**
DESCRIPTION:** Bouncy Castle could allow a remote attacker to obtain sensitive information. An attacker could exploit this vulnerability using an invalid curve attack to extract private keys used in elliptic curve cryptography and obtain sensitive information.
CVSS Base Score: 5.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/107739 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N)

Affected Products and Versions

WebSphere Cast Iron v 7.5.0.x
WebSphere Cast Iron v 7.0.0.x

Remediation/Fixes

Product

| VRMF| APAR| Remediation/First Fix
—|—|—|—
Cast Iron Appliance| 7.5.0.1| LI78861| iFix 7.5.0.1-CUMUIFIX-002
Cast Iron Appliance| 7.0.0.2| LI78861| iFix 7.0.0.2-CUMUIFIX-022