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AUSCERT External Security Bulletin Redistribution
ESB-2015.2241
Security Bulletin: Vulnerability with Java Portlet Specification JSR 286
may affect WebSphere Application Server (CVE-2015-1926)
26 August 2015
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AusCERT Security Bulletin Summary
---------------------------------
Product: IBM WebSphere Application Server
Publisher: IBM
Operating System: AIX
HP-UX
IBM i
Linux variants
Solaris
Windows
z/OS
Impact/Access: Access Confidential Data -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2015-1926
Reference: ASB-2015.0070
Original Bulletin:
http://www-01.ibm.com/support/docview.wss?uid=swg21962107
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Security Bulletin: Vulnerability with Java Portlet Specification JSR 286
may affect WebSphere Application Server (CVE-2015-1926)
Document information
More support for:
WebSphere Application Server
General
Software version:
7.0, 8.0, 8.5, 8.5.5
Operating system(s):
AIX, HP-UX, IBM i, Linux, Solaris, Windows, z/OS
Software edition:
Base, Developer, Enterprise, Liberty, Network Deployment
Reference #:
1962107
Modified date:
2015-08-24
Security Bulletin
Summary
There has been a change to the Java Portlet Specification 2.0 (JSR 286)
that may affect some configurations of WebSphere Application Server.
Vulnerability Details
CVEID: CVE-2015-1926
DESCRIPTION: The Java Portlet Specification JSR 286 API jar file code
could allow a remote attacker to obtain sensitive information, caused
by the failure to restrict access to resources located within the web
application. An attacker could exploit this vulnerability to obtain
configuration data and other sensitive information.
CVSS Base Score: 5
CVSS Temporal Score: See http://xforce.iss.net/xforce/xfdb/102780 for the
current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:L/Au:N/C:P/I:N/A:N)
Affected Products and Versions
AFFECTED VERSIONS: The following IBM WebSphere Application Server Versions
are affected:
Version 8.5 Full Profile
Version 8.5 Portlet Container feature for WebSphere Application
Server Liberty
Version 8
Version 7
There has been a change to the Java Portlet Specification 2.0 JSR
286. CVE-2014-3083 already remediates this issue in WebSphere Application
Server.
NOTE: If you have already applied interim fixes for APARs PI17768 and
PI30579 and updated your custom portlets as described in the security
bulletins linked below then you do not need to take any action.
Remediation/Fixes
For IBM WebSphere Application Server
APAR PI45900 contains the update to the Java Portlet Specification JSR
286 API jar file code and will be included in fix packs 8.5.5.8, 8.0.0.12
and 7.0.0.39. Installing those fix packs when they become available or
installing the interim fixes as noted in below and following the directions
in the security bulletin related to CVE-2014-3083 will remedy the problem.
For V8.5.0.0. through 8.5.5.6 (Full Profile):
Apply Fix Pack 8 (8.5.5.8), or later (targeted to be available 11
December 2015).
- -- Or --
Refer to the security bulletin for 8.5.5.3 (PI17768 for Portlet
Container) and security bulletin for 8.5.5.5 (PI30579 for Faces Portlet).
For V8.5.0.0. through 8.5.5.6 (Liberty Profile):
If you have the installed the Portlet Container Feature from WASdev
Liberty Repository:
Remove the Portlet Container feature from your Liberty Profile server
by deleting the following files and directories:
usr\extension\dev\api\spec\com.ibm.websphere.appserver.api.portlet_2.0.0.jar
usr\extension\dev\api\spec\com.ibm.ws.javaee.ccpp_1.0.0.jar
usr\extension\dev\api\spec\com.ibm.ws.javaee.portlet_2.0.0.jar
usr\extension\lib\com.ibm.ws.portletcontainer_2.0.0.jar
usr\extension\lib\features\com.ibm.websphere.appserver.portlet-2.0.mf
usr\extension\lib\features\l10n\com.ibm.websphere.appserver.portlet-2.0.properties
usr\extension\lafiles\com.ibm.websphere.appserver.portlet-2.0 directory
and all subdirectories
Then install the September 2015 release or a newer version of the
Portlet Container from the WASdev Liberty Repository.
- -- Or --
Refer to the security bulletin for 8.5.5.3 for Portlet Container
PI17768 regarding the WASdev Liberty Repository
For V8.0.0.0 through 8.0.0.11:
Apply Fix Pack 12 (8.0.0.12), or later (targeted to be available 18
January 2016).
- -- Or --
Refer to the security bulletin for 8.0.0.10 for Portlet Container
and FacesPortlet.
For V7.0.0.0 through 7.0.0.37:
Apply Fix Pack 39 (7.0.0.39), or later (targeted to be available 02
November 2015).
- -- Or --
Refer to the security bulletin for 7.0.0.35 for Portlet Container. Faces
Portlet is not applicable to version 7.0
Workarounds and Mitigations
To mitigate around this issue until the fix pack is available that
includes the update to the Java Portlet Specification: You should refer
to the security bulletins listed above and apply the APAR interim fixes
for PI17768 and PI30579 and update your
Portlet as described in the bulletin.
Get Notified about Future Security Bulletins
Subscribe to My Notifications to be notified of important product support
alerts like this.
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 v2 Guide
On-line Calculator v2
Related information
IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog
Change History
24 August 2015: original document 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.
Cross reference information
Segment Product
Application Servers WebSphere Application Server Liberty Core
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