ESB-2018.0395 - [Win][Linux][IBM i][HP-UX][Solaris][AIX][z/OS] IBM WebSphere Portal: Denial of service - Remote/unauthenticated - 2018-02-08


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             AUSCERT External Security Bulletin Redistribution

                               ESB-2018.0395
        Security Bulletin: Vulnerability in Apache POI affects IBM
                     WebSphere Portal (CVE-2017-5644)
                              8 February 2018

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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
                   z/OS
Impact/Access:     Denial of Service -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2017-5644  

Reference:         ESB-2017.2886
                   ESB-2017.2669

Original Bulletin: 
   http://www.ibm.com/support/docview.wss?uid=swg22008072

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Security Bulletin: Vulnerability in Apache POI affects IBM WebSphere Portal
(CVE-2017-5644)


Document information

More support for: WebSphere Portal

Software version: 7.0, 8.0

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

Reference #: 2008072

Modified date: 07 February 2018


Summary

A fix is available for a vulnerability in Apache POI that affects IBM WebSphere
Portal (CVE-2017-5644).


Vulnerability Details

CVEID: CVE-2017-5644

DESCRIPTION: Apache POI is vulnerable to a denial of service, cause by an XML
External Entity Injection (XXE) error when processing XML data. By using a
specially-crafted OOXML file, a remote attacker could exploit this vulnerability
to consume all available CPU resources.

CVSS Base Score: 5.3

CVSS Temporal Score: See
https://exchange.xforce.ibmcloud.com/vulnerabilities/123699 for the current
score

CVSS Environmental Score*: Undefined

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


Affected Products and Versions

Affected Product

+------------------------------------+--------------------------------+
|          Affected Product          |       Affected Versions        |
+------------------------------------+--------------------------------+
|IBM WebSphere Portal                |8.0.0.0 - 8.0.0.1 CF22          |
+------------------------------------+--------------------------------+
|IBM WebSphere Portal                |7.0.0.0 - 7.0.0.2 CF30          |
+------------------------------------+--------------------------------+


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


Remediation/Fixes

+-------------+-----------+-------+-------------------------------------------+
|Product      |VRMF       |APARs  |Fix                                        |
+-------------+-----------+-------+-------------------------------------------+
|IBM WebSphere|8.0.0      |PI81353|Upgrade to Fix Pack 8.0.0.1 with Cumulative|
|Portal       |through    |PI85290|Fix 22 (CF22) and then apply the Interim   |
|             |8.0.0.1    |       |Fix PI86843 .                              |
|             |           |       |(Combined Cumulative Fixes for WebSphere   |
|             |           |       |Portal 8.0.0.1)                            |
+-------------+-----------+-------+-------------------------------------------+
|IBM WebSphere|7.0.0      |PI81353|Upgrade to Fix Pack 7.0.0.2 with Cumulative|
|Portal       |through    |PI85290|Fix 30 (CF30) and then apply the Interim   |
|             |7.0.0.2    |       |Fix PI86843 .                              |
|             |           |       |(Combined Cumulative fixes for WebSphere   |
|             |           |       |Portal 7.0.0.2)                            |
+-------------+-----------+-------+-------------------------------------------+


Workarounds and Mitigations

None


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.


Change History

7 February 2018: 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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