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             AUSCERT External Security Bulletin Redistribution

                               ESB-2015.1950
          Security Bulletin: Fix Available for Denial of Service
           Vulnerability in IBM WebSphere Portal (CVE-2015-1943)
                               24 July 2015

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

Product:           IBM WebSphere Portal
Publisher:         IBM
Operating System:  AIX
                   HP-UX
                   IBM i
                   Linux variants
                   Solaris
                   Windows
                   i5/OS
                   z/OS
Impact/Access:     Denial of Service -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2015-1943  

Original Bulletin: 
   http://www-01.ibm.com/support/docview.wss?uid=swg21962567

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Security Bulletin: Fix Available for Denial of Service Vulnerability in IBM 
WebSphere Portal (CVE-2015-1943)

Security Bulletin

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, i5/OS, z/OS

Reference #:

1962567

Modified date:

2015-07-22

Summary

A fix is available for a denial of service vulnerability in IBM WebSphere 
Portal (CVE-2015-1943).

Vulnerability Details

CVEID: CVE-2015-1943

DESCRIPTION: IBM WebSphere Portal is vulnerable to a denial of service. By 
sending a malicious request, a remote attacker could exploit this 
vulnerability to cause the consumption of all CPU or memory resources to cause
a denial of service.

CVSS Base Score: 5

CVSS Temporal Score: See http://xforce.iss.net/xforce/xfdb/103138 for the 
current score

CVSS Environmental Score*: Undefined

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

Affected Products and Versions

IBM WebSphere Portal 8.5

IBM WebSphere Portal 8.0

IBM WebSphere Portal 7

IBM WebSphere Portal 6.1

Remediation/Fixes

The recommended solution is to apply PI39617 as soon as practical.

Fix: Apply an Interim Fix or a Cumulative Fix containing PI39617.

For 8.5.0

    Upgrade to Cumulative Fix 06 (CF06).

    (Combined Cumulative Fixes for WebSphere Portal 8.5.0.0: 
    http://www-01.ibm.com/support/docview.wss?uid=swg24037786)

For 8.0.0 through 8.0.0.1

    Upgrade to Fix Pack 8.0.0.1 with Cumulative Fix 17 (CF17).

    (Combined Cumulative Fixes for WebSphere Portal 8.0.0.1: 
    http://www-01.ibm.com/support/docview.wss?uid=swg24034497)

For 7.0.0 through 7.0.0.2

    Upgrade to Fix Pack 7.0.0.2 with Cumulative Fix 29 (CF29) and then apply 
    the Interim Fix PI39617.

    (Combined Cumulative fixes for WebSphere Portal 7.0.0.2: 
     http://www.ibm.com/support/docview.wss?uid=swg24029452)

For 6.1.5.0 through 6.1.5.3

    Upgrade to Fix Pack 6.1.5.3 with Cumulative Fix 27 (CF27) and then apply 
    the Interim Fix PI39617.

    (Cumulative fixes for WebSphere Portal 6.1.5.3: 
    http://www-01.ibm.com/support/docview.wss?uid=swg24023835)

For 6.1.0.0 through 6.1.0.6

    Upgrade to Fix Pack 6.1.0.6 with Cumulative Fix 27 (CF27) and then apply 
    the Interim Fix PI39617.

    (Cumulative fixes for WebSphere Portal 6.1.0.6: 
    http://www-01.ibm.com/support/docview.wss?uid=swg24023835)

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 Guide

On-line Calculator V2

Related information

IBM Secure Engineering Web Portal

IBM Product Security Incident Response Blog

Change History

20 July 2015: 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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