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Security Bulletin: Authentication vulnerability affects IBM Integration Bus V10.0.0.4 onwards (CVE-2016-8918 )

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
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

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


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

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. 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
On-line Calculator v3

Related information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

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

Document information

More support for: IBM Integration Bus

Software version: 10.0

Operating system(s): AIX, HP-UX, Linux, Solaris, Windows

Reference #: 1995079

Modified date: 02 December 2016