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             AUSCERT External Security Bulletin Redistribution

                               ESB-2017.1153
          Security Bulletin: IBM WebSphere Cast Iron Solution is
                 affected by Apache Tomcat vulnerabilities
                                10 May 2017

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

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

Product:           IBM WebSphere Cast Iron Cloud integration
Publisher:         IBM
Operating System:  Network Appliance
                   Virtualisation
Impact/Access:     Increased Privileges     -- Existing Account      
                   Access Confidential Data -- Remote/Unauthenticated
                   Reduced Security         -- Existing Account      
Resolution:        Patch/Upgrade
CVE Names:         CVE-2016-6797 CVE-2016-6796 CVE-2016-6794
                   CVE-2016-5018 CVE-2016-0762 

Reference:         ASB-2017.0058
                   ESB-2017.0930
                   ESB-2017.0715
                   ESB-2016.2722
                   ESB-2016.2509

Original Bulletin: 
   http://www.ibm.com/support/docview.wss?uid=swg22002522

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

Security Bulletin: IBM WebSphere Cast Iron Solution is affected by Apache
Tomcat vulnerabilities

Document information

More support for: WebSphere Cast Iron Cloud integration

Software version: 6.3, 6.3.0.1, 6.3.0.2, 6.4.0.0, 6.4.0.1, 7.0.0, 7.0.0.1,
7.0.0.2, 7.5.0.0, 7.5.0.1, 7.5.1.0

Operating system(s): Firmware

Software edition: Physical, Virtual

Reference #: 2002522

Modified date: 08 May 2017

Security Bulletin

Summary

There are vulnerabilities reported in Apache Tomcat v6 that is used by
WebSphere Cast Iron Solution. WebSphere Cast Iron Solution has remediated
the affected versions.

Vulnerability Details

CVEID: CVE-2016-0762
DESCRIPTION: Apache Tomcat could allow a remote attacker to obtain sensitive
information, caused by the failure to process the user supplied password
if the specified user name does not exist by the Realm implementation. An
attacker could exploit this vulnerability to conduct a timing attack and
determine valid usernames on the system.
CVSS Base Score: 5.3
CVSS Temporal Score: See
https://exchange.xforce.ibmcloud.com/vulnerabilities/118407 for the
current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N)

CVEID: CVE-2016-5018
DESCRIPTION: Apache Tomcat could allow a local attacker to bypass security
restrictions. An attacker could exploit this vulnerability using a Tomcat
utility method to bypass a configured SecurityManager.
CVSS Base Score: 4
CVSS Temporal Score: See
https://exchange.xforce.ibmcloud.com/vulnerabilities/118406 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)

CVEID: CVE-2016-6794
DESCRIPTION: Apache Tomcat could allow a local attacker to obtain sensitive
information, caused by an error in the system property replacement
feature. An attacker could exploit this vulnerability to bypass the
SecurityManager and read system properties.
CVSS Base Score: 4
CVSS Temporal Score: See
https://exchange.xforce.ibmcloud.com/vulnerabilities/118405 for the
current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N)

CVEID: CVE-2016-6796
DESCRIPTION: Apache Tomcat could allow a local attacker to bypass security
restrictions. By modifying configuration parameters for the JSP Servlet,
an attacker could exploit this vulnerability to bypass a configured
SecurityManager.
CVSS Base Score: 4
CVSS Temporal Score: See
https://exchange.xforce.ibmcloud.com/vulnerabilities/118404 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)

CVEID: CVE-2016-6797
DESCRIPTION: Apache Tomcat could allow a local attacker to gain unauthorized
access to the system, caused by an error in the ResourceLinkFactory. An
attacker could exploit this vulnerability to gain access to arbitrary
global JNDI resources.
CVSS Base Score: 4
CVSS Temporal Score: See
https://exchange.xforce.ibmcloud.com/vulnerabilities/118403 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

This vulnerability affects all versions of the product

WebSphere Cast Iron Solution v 7.5.1.0, v 7.5.0.1, v 7.5.0.0
WebSphere Cast Iron Solution v 7.0.0.2, v 7.0.0.1, v 7.0.0.0
WebSphere Cast Iron Solution v 6.4.0.1, v 6.4.0.0
WebSphere Cast Iron Solution v 6.3.0.2, v 6.3.0.1, v 6.3.0.0

Remediation/Fixes

Product			VRMF					APAR		Remediation/First Fix
Cast Iron Appliance	v 7.5.1.0, v 7.5.0.1, v 7.5.0.0		LI79259		iFix 7.5.1.0-CUMUIFIX-005
Cast Iron Appliance	v 7.0.0.2, v 7.0.0.1, v 7.0.0.0		LI79259		iFix 7.0.0.2-CUMUIFIX-033
Cast Iron Appliance	v 6.4.0.1, v 6.4.0.0			LI79259		iFix 6.4.0.1-CUMUIFIX-042
Cast Iron Appliance	v 6.3.0.2, v 6.3.0.1, v 6.3.0.0		LI79259		iFix 6.3.0.2-CUMUIFIX-023

Workarounds and Mitigations

None.

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alerts like this.

References
Complete CVSS v3 Guide
On-line Calculator v3

Related information
IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

Acknowledgement

None.

Change History

08 May 2017 : 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.

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