IBM Security Bulletin: Authentication vulnerability affects IBM Integration Bus  V10.0.0.4 onwards (CVE-2016-8918 ) - United States WMB IIB SECURITY BULLETIN

SUMMARY
 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. 

VULNERABILITY DETAILS
CVEID: CVE-2016-8918 [http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-8918]
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 [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

REMEDIATION/FIXES
 

Product VRMF APAR Remediation/Fix IBM Integration Bus V10 IT15920 The APAR is available in Fix Pack 10.0.0.7 
https://www-304.ibm.com/support/docview.wss?uid=swg24043068 [https://www-304.ibm.com/support/docview.wss?uid=swg24043068] 

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 : 
http://www.ibm.com/support/docview.wss?uid=swg27006308 [http://www.ibm.com/support/docview.wss?uid=swg27006308]

WORKAROUNDS AND MITIGATIONS
None

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IMPORTANT NOTE
 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 [http://www.ibm.com/systems/z/solutions/security_subintegrity.html]. 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. 

REFERENCES
Complete CVSS v3 Guide [http://www.first.org/cvss/user-guide] 
On-line Calculator v3 [http://www.first.org/cvss/calculator/3.0] 

RELATED INFORMATION
IBM Secure Engineering Web Portal [http://www.ibm.com/security/secure-engineering/bulletins.html] 
IBM Product Security Incident Response Blog [http://www.ibm.com/blogs/psirt] 

CHANGE HISTORY
 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. 

DISCLAIMER
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.

 

PRODUCT ALIAS/SYNONYM
 WMB IIB

Question: Help with Security Bulletin: Authentication vulnerability affects IIB V10.0.0.4 onwards (CVE-2016-8918 ) I need to understand details regarding Security Bulletin: Authentication vulnerability affects IBM Integration Bus V10.0.0.4 onwards (CVE-2016-8918 ). Where can I find this information? 

Answer: CVEID: CVE-2016-8918 [http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-8918]
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 [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)