Security Bulletin
Summary
There is a potential security vulnerability with the WebSphere Application Server MQ JCA Resource adapter.
Vulnerability Details
CVEID: CVE-2016-0360
DESCRIPTION: IBM Websphere MQ JMS 7.0.1, 7.1, 7.5, 8.0, and 9.0 client provides classes that deserialize objects from untrusted sources which could allow a malicious user to execute arbitrary Java code by adding vulnerable classes to the classpath.
CVSS Base Score: 8.1
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/111930 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H)
Affected Products and Versions
This vulnerability affects the following versions and releases of IBM WebSphere Application Server:
- Version 9.0
- Version 8.5.5
Remediation/Fixes
To patch an existing service instance or a new instance, you must apply the following maintenance manually. Refer to the IBM WebSphere Application Server bulletin listed below:
Security Bulletin: Potential security vulnerability in WebSphere Application Server MQ JCA Resource adapter (CVE-2016-0360)
Workarounds and Mitigations
IBM WebSphere MQ supports Object Messages as part of the JMS specification, however ObjectMessage usage is discouraged. To mitigate this vulnerability, message types that do not contain this security flaw, such as JSON or XML, should be used. To ensure that messages come from recognized senders, a security mechanism, such as MQ's AMS (Advanced Message Security), can be used.
Get Notified about Future Security Bulletins
References
Acknowledgement
Vulnerability discovery by Matthias Kaiser of Code White (www.code-white.com)
Change History
3 April 2017: original document published
*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
swg22000834