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

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

                               ESB-2019.3353
   Security Bulletin: HTTP Parameter Pollution and XSS vulnerability in
       WebSphere Application Server Admin Console ND (CVE-2019-4271)
                             4 September 2019

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

        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:     Cross-site Scripting           -- Remote with User Interaction
                   Provide Misleading Information -- Remote with User Interaction
Resolution:        Patch/Upgrade
CVE Names:         CVE-2019-4271  

Original Bulletin: 
   https://www.ibm.com/support/pages/security-bulletin-http-parameter-pollution-and-xss-vulnerability-websphere-application-server-admin-console-nd-cve-2019-4271

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

Security Bulletin: HTTP Parameter Pollution and XSS vulnerability in WebSphere
Application Server Admin Console ND (CVE-2019-4271)

Document Information
More support for: 
WebSphere Application Server

Software version: 
9.0, 8.5, 8.0, 7.0

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

Software edition: 
Advanced, Base, Developer, Enterprise, Express, Network Deployment, Single Server

Reference #: 
884040

Security Bulletin


Summary

There is a Client-side HTTP parameter pollution vulnerability and a Cross-site
scripting vulnerability in WebSphere Application Server Admin Console.

Vulnerability Details

CVEID: CVE-2019-4271
DESCRIPTION: IBM WebSphere Application Server Admin console is vulnerable to a
Client-side HTTP parameter pollution vulnerability.
CVSS Base Score: 3.5
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
160243 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N)

Affected Products and Versions

This vulnerability affects the following:

  o WebSphere Application Server Version 9.0
  o WebSphere Application Server Version 8.5
  o WebSphere Virtual Enterprise Version 7.0

Remediation/Fixes

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

For WebSphere Application Server traditional and WebSphere Application Server
Hypervisor Edition:

For V9.0.0.0 through 9.0.0.11:
. Upgrade to minimal fix pack levels as required by interim fix and then apply
Interim Fix PH12533
- --OR--
. Apply Fix Pack 9.0.5.0 or later.

For V8.5.0.0 through 8.5.5.15:
. Upgrade to minimal fix pack levels as required by interim fix and then apply
Interim Fix PH12533
- --OR--
. Apply Fix Pack 8.5.5.16 or later.

For WebSphere Virtual Enterprise Edition:

For V7.0:
. Apply Interim Fix PH12533


WebSphere Virtual Enterprise V7.0 is no longer in full support; IBM recommends
upgrading to a fixed, supported version/release/platform of the product.

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 v3 Guide
On-line Calculator v3

Off

Related Information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

Change History

03 September 2019: Original Document 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.

- --------------------------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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=A4Sm
-----END PGP SIGNATURE-----