Security Bulletin: Multiple vulnerabilities in IBM® SDK Java™ Technology Edition affect IBM WebSphere Application Server for Bluemix January 2016 CPU (CVE-2016-0475, CVE-2016-0466, CVE-2015-7575, CVE-2016-0448)

Summary

There are multiple vulnerabilities in IBM® SDK Java™ Technology Edition that is shipped with IBM WebSphere Application Server for Bluemix. These issues were disclosed as part of the IBM Java SDK updates in January 2016 and includes the vulnerability commonly referred to as “SLOTH”.

Vulnerability Details

This bulletin covers all applicable Java SE CVE’s published by Oracle as part of their January 2016 Critical Patch Update which affects IBM SDK, Java Technology Edition. There are other advisories included in the IBM Java SDK but WebSphere Application Server is not vulnerable to them. You will need to evaluate your own code to determine if you are vulnerable. Please refer to the Reference section for more information on the advisories not applicable to WebSphere Application Server.

CVEID: CVE-2016-0475**
DESCRIPTION:** An unspecified vulnerability related to the Libraries component has partial confidentiality impact, partial integrity impact, and no availability impact.
CVSS Base Score: 5.8
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/109946 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:M/Au:N/C:P/I:P/A:N)

CVEID: CVE-2016-0466**
DESCRIPTION:** An unspecified vulnerability related to the JAXP component could allow a remote attacker to cause a denial of service.
CVSS Base Score: 5
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/109948 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:L/Au:N/C:N/I:N/A:P)

CVEID: CVE-2015-7575**
DESCRIPTION:** The TLS protocol could allow weaker than expected security caused by a collision attack when using the MD5 hash function for signing a ServerKeyExchange message during a TLS handshake. An attacker could exploit this vulnerability using man-in-the-middle techniques to impersonate a TLS server and obtain credentials. This vulnerability is commonly known as “SLOTH”.
CVSS Base Score: 7.1
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/109415 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/UI:U/C:H/I:L/A:N)

CVEID: CVE-2016-0448**
DESCRIPTION:** An unspecified vulnerability related to the JMX component could allow a remote attacker to obtain sensitive information.
CVSS Base Score: 4
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/109949 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:L/Au:S/C:P/I:N/A:N)

Affected Products and Versions

This vulnerability affects the following versions and releases of IBM WebSphere Application Server for Bluemix:

• Version 8.5.5 Full Profile and Liberty Profile
• Version 8.0

Remediation/Fixes

To patch an existing service instance refer to the IBM WebSphere Application Server bulletin:
Security Bulletin: Multiple vulnerabilities in IBM® Java SDK affect WebSphere Application Server January 2016 CPU (CVE-2016-0475, CVE-2016-0466, CVE-2015-7575, CVE-2016-0448)

Alternatively, delete the vulnerable service instance and create a new instance. The new maintenance will be included.