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

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

                               ESB-2018.3804
     Potential information disclosure in WebSphere Application Server
                              7 December 2018

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

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

Product:           IBM WebSphere Application Server
Publisher:         IBM
Operating System:  AIX
                   HP-UX
                   IBM i
                   Linux variants
                   Solaris
                   Windows
                   z/OS
Impact/Access:     Access Confidential Data -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2018-1957  

Original Bulletin: 
   https://www.ibm.com/support/docview.wss?uid=ibm10744247

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

Security Bulletin: Potential information disclosure in WebSphere Application
Server (CVE-2018-1957)

Document information
Software version: 9.0
Operating system(s): AIX, HP-UX, IBM i, Linux, Solaris, Windows, z/OS
Software edition: Advanced, Base, Developer, Enterprise, Express, Liberty,
Network Deployment, Single Server
Reference #: 0744247
Modified date: 06 December 2018

Summary

There is a potential information disclosure in WebSphere Application Server
(CVE-2018-1957)

Vulnerability Details

CVEID: CVE-2018-1957
DESCRIPTION: IBM WebSphere Application Server could allow sensitive information
to be available caused by mishandling of data by the application based on an
incorrect return by the httpServletRequest#authenticate() API when an
unprotected URI is accessed.
CVSS Base Score: 4
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
153629 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)

Affected Products and Versions

This vulnerability affects the following versions and releases of IBM WebSphere
Application Server:

  * Version 9.0

Remediation/Fixes

The recommended solution is to apply the interim fix, Fix Pack or PTF
containing the APARs for each named product as soon as practical.

For WebSphere Application Server traditional:

For V9.0.0.0 through 9.0.0.9:
- - Upgrade to minimal fix pack levels as required by interim fix and then apply
Interim Fix PH04562
- --OR--
- - Apply Fix Pack 9.0.0.10 or later (targeted availability 4Q 2018).

Change History

06 December 2018: original document published

- --------------------------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:

        https://www.auscert.org.au/bulletins/

===========================================================================
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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=osHN
-----END PGP SIGNATURE-----