IBM Security Bulletin: IBM Integration Bus and WebSphere Message Broker, upon installation, set incorrect permissions for an object on unix platforms ( CVE-2016-0394 ) - United States WMB IIB 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 [http://cve.mitre.org/cgi-bin/cvename.cgi?name=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 [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 VRMF APAR Remediation/Fix IBM Integration Bus V9 IT14845 The APAR is available in Fix Pack 9.0.0.6 https://www-304.ibm.com/support/docview.wss?uid=swg24042598 [https://www-304.ibm.com/support/docview.wss?uid=swg24042598]

WebSphere Message Broker V8 IT14845 The APAR is available in Fix Pack 8.0.0.8
https://www-304.ibm.com/support/docview.wss?uid=swg24042925 [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 [http://www-01.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 [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
 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. 

RELATED INFORMATION
 A Japanese translation is available [http://www.ibm.com/support/docview.wss?uid=swg21995532]






Cross reference information Segment Product Component Platform Version Edition Business Integration WebSphere Message Broker 8.0 
PRODUCT ALIAS/SYNONYM
 WMB IIB
Help with Security Bulletin: IIB & WMB upon installation, set incorrect permissions for an object ( CVE-2016-0394 ) I need to understand details regarding Security Bulletin: IBM Integration Bus and WebSphere Message Broker, upon installation, set incorrect permissions for an object ( CVE-2016-0394 ) Where can I find this information? 
CVEID: CVE-2016-0394 [http://cve.mitre.org/cgi-bin/cvename.cgi?name=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 [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)