ESB-2017.2606 - [Win][UNIX/Linux] IBM: Execute arbitrary code/commands - Remote/unauthenticated 2017-10-18

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2017.2606
  Security Bulletin: Vulnerability in Apache Standard Taglibs affects IBM
         Connections Portlets For WebSphere Portal (CVE-2015-0254)
                              18 October 2017

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

Product:           IBM
Publisher:         IBM
Operating System:  UNIX variants (UNIX, Linux, OSX)
                   Windows
Impact/Access:     Execute Arbitrary Code/Commands -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2015-0254  

Reference:         ASB-2017.0120
                   ESB-2017.2411
                   ESB-2016.0298
                   ESB-2015.2277

Original Bulletin: 
   http://www.ibm.com/support/docview.wss?uid=swg22006285

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Security Bulletin: Vulnerability in Apache Standard Taglibs affects IBM
Connections Portlets For WebSphere Portal (CVE-2015-0254)

Document information

More support for: WebSphere Portal

Software version: 8.0, 8.5

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

Reference #: 2006285

Modified date: 17 October 2017

Security Bulletin

Summary

A vulnerability in Apache Standard Taglibs affects IBM Connections Portlets
For WebSphere Portal (CVE-2015-0254).

Vulnerability Details

CVEID: CVE-2015-0254
DESCRIPTION: Apache Standard Taglibs could allow a remote attacker to execute
arbitrary code on the system, caused by an XML External Entity Injection
(XXE) error when processing XML data. By sending specially-crafted XML
data, an attacker could exploit this vulnerability to execute arbitrary
code on the system.
CVSS Base Score: 7.5
CVSS Temporal Score: See
https://exchange.xforce.ibmcloud.com/vulnerabilities/101550 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:L/Au:N/C:P/I:P/A:P)

Affected Products and Versions

+---------------------------------------------------------------+-------------------------+
|                       Affected Product                        |    Affected Versions    |
+---------------------------------------------------------------+-------------------------+
|IBM Connections Portlets For WebSphere Portal                  |5.0.0-5.0.2              |
+---------------------------------------------------------------+-------------------------+

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


Remediation/Fixes

+---------------------------------+-------------+--------+---------------------------------+
|             Product             |    VRMF     |  APAR  |     Remediation / First Fix     |
+---------------------------------+-------------+--------+---------------------------------+
|                                 |             |        |Upgrade to IBM Connections       |
|                                 |             |        |Portlets For WebSphere Portal    |
|                                 |             |        |v5.0.3                           |
|IBM Connections Portlets For     |5.0.3        |None    |(https://greenhouse.lotus.com/   |
|WebSphere Portal                 |             |        |plugins/plugincatalog.nsf/       |
|                                 |             |        |assetDetails.xsp?action=         |
|                                 |             |        |editDocument&documentId=         |
|                                 |             |        |55AFF4A1D3D54DF185257CD3006014A4)|
+---------------------------------+-------------+--------+---------------------------------+


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.

References

Complete CVSS v2 Guide
On-line Calculator v2

Related information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

Change History

16 October 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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