Security Bulletin: Authentication vulnerability affects IBM Integration Bus V10.0.0.4 onwards (CVE-2016-8918 )
Web user accounts can be authenticated against an LDAP server, in IBM Integration Bus V10.0.0.4 and later versions. However, under some circumstances it is possible for a remote user to be authenticated without providing valid credentials.
DESCRIPTION: In non-default configurations, IBM Integration Bus could allow a remote user to authenticate without providing valid credentials.
CVSS Base Score: 5.9
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/118528 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N)
Affected Products and Versions
IBM Integration Bus V10
|IBM Integration Bus||V10||IT15920||The APAR is available in Fix Pack 10.0.0.7
For unsupported versions of the product, IBM recommends upgrading to a fixed, supported version/release/platform of the product.
The planned maintenance release dates for WebSphere Message Broker and IBM Integration Bus are available at :
Workarounds and Mitigations
Get Notified about Future Security Bulletins
IBM strongly suggests that all System z customers be subscribed to the System z Security Portal to receive the latest critical System z security and integrity service. If you are not subscribed, see the instructions on the System z Security web site. Security and integrity APARs and associated fixes will be posted to this portal. IBM suggests reviewing the CVSS scores and applying all security or integrity fixes as soon as possible to minimize any potential risk.
On-line Calculator v3
IBM Product Security Incident Response Blog
2 Dec 2016 - Original version 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.
According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an "industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response." IBM PROVIDES THE CVSS SCORES "AS IS" WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.