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Security Bulletin: IBM Integration Bus and WebSphere Message Broker, upon installation, set incorrect permissions for an object on unix platforms ( CVE-2016-0394 )

Security Bulletin


Summary

IBM Integration Bus and WebSphere Message Broker, upon installation, set incorrect permissions for an object on unix platforms, which exposes it to an unintended actor.

Vulnerability Details

CVEID: CVE-2016-0394
DESCRIPTION:
IBM Integration Bus and WebSphere Message broker set incorrect permissions for an object, which could allow a local attacker to manipulate certain files.
CVSS Base Score: 4
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/112643 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N)

Affected Products and Versions

IBM Integration Bus V9

WebSphere Message Broker V8

Remediation/Fixes

Product

VRMFAPARRemediation/Fix
IBM Integration BusV9IT14845The APAR is available in Fix Pack 9.0.0.6

https://www-304.ibm.com/support/docview.wss?uid=swg24042598

WebSphere Message BrokerV8IT14845The APAR is available in Fix Pack 8.0.0.8
https://www-304.ibm.com/support/docview.wss?uid=swg24042925

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?rs=849&uid=swg27006308

Workarounds and Mitigations

To mitigate the problem with a current V8 or V9 fix pack installation on Unix platforms, you can run the following commands:

find <IIB install dir>/isadc -type d -exec chmod 755 {} \;
find <IIB install dir>/isadc -type f -exec chmod 644 {} \;
find <IIB install dir>/isadc -type f -name *.sh -print -exec chmod 755

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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

Off

Change History

28-Nov-2016 - Original version Published
04-Apr-2017 - Removed v10 (distributed) from affected list, text change to explicitly mention 'on unix platforms'

*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":{"code":"SSNQK6","label":"IBM Integration Bus"},"Business Unit":{"code":"BU053","label":"Cloud & Data Platform"},"Component":"Not Applicable","Platform":[{"code":"PF002","label":"AIX"},{"code":"PF010","label":"HP-UX"},{"code":"PF016","label":"Linux"},{"code":"PF027","label":"Solaris"}],"Version":"9.0","Edition":"","Line of Business":{"code":"LOB15","label":"Integration"}},{"Product":{"code":"SSKM8N","label":"WebSphere Message Broker"},"Business Unit":{"code":"BU053","label":"Cloud & Data Platform"},"Component":" ","Platform":[{"code":"","label":""}],"Version":"8.0","Edition":"","Line of Business":{"code":"LOB15","label":"Integration"}}]

Product Synonym

WMB IIB

Document Information

Modified date:
23 March 2020

UID

swg21985013