-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

===========================================================================
             AUSCERT External Security Bulletin Redistribution

                               ESB-2016.2491
 Security Bulletin: Vulnerabilities in Apache Struts affect IBM WebSphere
           Portal (CVE-2015-0899, CVE-2016-1181, CVE-2016-1182)
                              26 October 2016

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           IBM WebSphere Portal
Publisher:         IBM
Operating System:  AIX
                   HP-UX
                   Linux variants
                   Solaris
                   Windows
                   z/OS
Impact/Access:     Execute Arbitrary Code/Commands -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2016-1182 CVE-2016-1181 CVE-2015-0899

Reference:         ASB-2016.0095
                   ESB-2016.2357
                   ESB-2016.2310
                   ESB-2016.2223
                   ESB-2016.2134

Original Bulletin: 
   http://www.ibm.com/support/docview.wss?uid=swg21988770

- --------------------------BEGIN INCLUDED TEXT--------------------

Security Bulletin: Vulnerabilities in Apache Struts affect IBM WebSphere 
Portal (CVE-2015-0899, CVE-2016-1181, CVE-2016-1182)

Document information

More support for: WebSphere Portal

Software version: 6.1, 7.0, 8.0, 8.5

Operating system(s): AIX, HP-UX, IBM i, Linux, Solaris, Windows, z/OS

Reference #: 1988770

Modified date: 25 October 2016

Security Bulletin

Summary

Fixes are available for vulnerabilities in Apache Struts affecting IBM 
WebSphere Portal (CVE-2015-0899, CVE-2016-1181, CVE-2016-1182).

Vulnerability Details

CVEID: CVE-2016-1181

DESCRIPTION: Apache Struts could allow a remote attacker to execute arbitrary
code on the system, caused by the failure to protect against unintended remote
operations against components on server memory by the ActionForm instance. An
attacker could exploit this vulnerability to execute arbitrary code on the 
system.

CVSS Base Score: 8.1

CVSS Temporal Score: See 
https://exchange.xforce.ibmcloud.com/vulnerabilities/113852 for the current 
score

CVSS Environmental Score*: Undefined

CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H)

CVEID: CVE-2016-1182

DESCRIPTION: Apache Struts could allow a remote attacker to bypass security 
restrictions, caused by the improper validation of input by the Validator. An
attacker could exploit this vulnerability to modify validation rules and error
messages.

CVSS Base Score: 4.8

CVSS Temporal Score: See 
https://exchange.xforce.ibmcloud.com/vulnerabilities/113853 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:L/A:L)

CVEID: CVE-2015-0899

DESCRIPTION: Apache Struts could allow a remote attacker to bypass security 
restrictions, caused by an error in the MultiPageValidator implementation. An
attacker could exploit this vulnerability using a modified page parameter to 
bypass restrictions and launch further attacks on the system. This 
vulnerability also affects other products.

CVSS Base Score: 4.3

CVSS Temporal Score: See 
https://exchange.xforce.ibmcloud.com/vulnerabilities/101770 for the current 
score

CVSS Environmental Score*: Undefined

CVSS Vector: (AV:N/AC:M/Au:N/C:N/I:P/A:N)

Affected Products and Versions

IBM WebSphere Portal 8.5

IBM WebSphere Portal 8.0

IBM WebSphere Portal 7

IBM WebSphere Portal 6.1

For unsupported versions IBM recommends upgrading to a fixed, supported 
version of the product.

Remediation/Fixes

These issues have been addressed by IBM WebSphere Portal Server and through 
IBM WebSphere Application Server which is shipped with IBM WebSphere Portal 
Server.

Fix delivery details for IBM WebSphere Portal Server

Product 			VRMF 		APARs 		Fix

IBM WebSphere Portal 		8.5.0 		PI66606		Upgrade to Cumulative Fix 12 (CF12)	
						PI66636		(Combined Cumulative Fixes for WebSphere Portal 8.5.0.0)
						PI66638		
						PI66641
						PI66642

IBM WebSphere Portal		8.0.0 through 	PI66606		Upgrade to Fix Pack 8.0.0.1 with Cumulative Fix 21 (CF21) and then apply the 
				8.0.0.1		PI66636		Interim Fixes PI66606, PI66636, PI66638, PI66641, PI66642, and PI66643.
						PI66638		--or--
						PI66641		Upgrade to Fix Pack 8.0.0.1 with Cumulative Fix 22 (CF22), targeted for 1Q 2017.
						PI66642		(Combined Cumulative Fixes for WebSphere Portal 8.0.0.1)
						PI66643

IBM WebSphere Portal 		7.0.0 through  	PI66606		Upgrade to Fix Pack 7.0.0.2 with Cumulative Fix 30 (CF30) and then apply the 
				7.0.0.2		PI66636		Interim Fixes PI66606, PI66636, PI66638, PI66640, PI66641, PI66642, and 
						PI66638		PI66645.
						PI66640		(Combined Cumulative fixes for WebSphere Portal 7.0.0.2)
						PI66641
						PI66642
						PI66645

IBM WebSphere Portal 		6.1.5.0 through PI66606		Upgrade to Fix Pack 6.1.5.3 with Cumulative Fix 27 (CF27) and then apply the 
				6.1.5.3 	PI66636		Interim Fixes PI66606, PI66636, PI66638, PI66640, PI66641, PI66642, PI66644, 
						PI66638		and PI66645.
						PI66640		(Cumulative fixes for WebSphere Portal 6.1.5.3)
						PI66641
						PI66642
						PI66644
						PI66645

IBM WebSphere Portal 		6.1.0.0 through PI66606		Upgrade to Fix Pack 6.1.0.6 with Cumulative Fix 27 (CF27) and then apply the 
				6.1.0.6		PI66636		Interim Fixes PI66606, PI66636, PI66638, PI66640, PI66641, PI66642, PI66644, 
						PI66638		and PI66645.
						PI66640		(Cumulative fixes for WebSphere Portal 6.1.0.6)
						PI66641
						PI66642
						PI66644
						PI66645

Refer to the following security bulletin for vulnerability details and 
information about fixes addressed by IBM WebSphere Application Server which is
shipped with IBM WebSphere Portal.

Principal Product and Version(s) Affected Supporting Product and Version 
Affected Supporting Product Security Bulletin

IBM WebSphere Portal version 6.1, 7.0, 8.0, and 8.5 IBM WebSphere Application
Server version 6.1, 7.0, 8.0, 8.5 Security Bulletin: Vulnerabilities in Apache
Struts affect IBM WebSphere Application Server (CVE-2016-1181 and 
CVE-2016-1182)

Workarounds and Mitigations

None

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

Complete CVSS v3 Guide

On-line Calculator v3

Related information

IBM Secure Engineering Web Portal

IBM Product Security Incident Response Blog

Change History

25 October 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.

- --------------------------END INCLUDED TEXT--------------------

You have received this e-mail bulletin as a result of your organisation's
registration with AusCERT. The mailing list you are subscribed to is
maintained within your organisation, so if you do not wish to continue
receiving these bulletins you should contact your local IT manager. If
you do not know who that is, please send an email to auscert@auscert.org.au
and we will forward your request to the appropriate person.

NOTE: Third Party Rights
This security bulletin is provided as a service to AusCERT's members.  As
AusCERT did not write the document quoted above, AusCERT has had no control
over its content. The decision to follow or act on information or advice
contained in this security bulletin is the responsibility of each user or
organisation, and should be considered in accordance with your organisation's
site policies and procedures. AusCERT takes no responsibility for consequences
which may arise from following or acting on information or advice contained in
this security bulletin.

NOTE: This is only the original release of the security bulletin.  It may
not be updated when updates to the original are made.  If downloading at
a later date, it is recommended that the bulletin is retrieved directly
from the author's website to ensure that the information is still current.

Contact information for the authors of the original document is included
in the Security Bulletin above.  If you have any questions or need further
information, please contact them directly.

Previous advisories and external security bulletins can be retrieved from:

        http://www.auscert.org.au/render.html?cid=1980

===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072

Internet Email: auscert@auscert.org.au
Facsimile:      (07) 3365 7031
Telephone:      (07) 3365 4417 (International: +61 7 3365 4417)
                AusCERT personnel answer during Queensland business hours
                which are GMT+10:00 (AEST).
                On call after hours for member emergencies only.
===========================================================================
-----BEGIN PGP SIGNATURE-----
Comment: http://www.auscert.org.au/render.html?it=1967
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=2OV4
-----END PGP SIGNATURE-----