ESB-2018.2622 - [Win][Linux][IBM i][HP-UX][Solaris][AIX] IBM WebSphere Application Server: Provide misleading information - Remote/unauthenticated 2018-09-05

Printable version
PGP/GPG verifiable version

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

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

                               ESB-2018.2622
         Security Bulletin: Potential spoofing attack in WebSphere
                    Application Server (CVE-2018-1695)
                             5 September 2018

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

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

Product:           IBM WebSphere Application Server
Publisher:         IBM
Operating System:  AIX
                   HP-UX
                   IBM i
                   Linux variants
                   Solaris
                   Windows
Impact/Access:     Provide Misleading Information -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2018-1695  

Original Bulletin: 
   https://www.ibm.com/support/docview.wss?uid=ibm10716523

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

Security Bulletin: Potential spoofing attack in WebSphere Application Server
(CVE-2018-1695)

Document information

More support for: WebSphere Application Server

Software version: 7.0, 8.0, 8.5.5

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 #: 0716523

Modified date: 04 September 2018

Security Bulletin

Summary

There is a potential spoofing attack in WebSphere Application Server using Form
Login when using Java SE 6. This does not occur when using other versions of
the Java SE.

Vulnerability Details

CVEID: CVE-2018-1695
DESCRIPTION: IBM WebSphere Application Server installations using Form Login
could allow a remote attacker to conducts spoofing attacks.
CVSS Base Score: 7.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/145769
for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)

Affected Products and Versions

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

  o Version 8.5.5
  o Version 8.0
  o Version 7.0

Remediation/Fixes

The recommended solution is to apply the interim fix, Fix Pack or PTF
containing APARs PI99402 for each named product as soon as practical.

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

For V8.5.0.0 through 8.5.5.14 when using Java SE 6:

. Upgrade to minimal fix pack levels as required by interim fixes and then
apply Interim Fix PI99402
- --OR--
. Apply Fix Pack 8.5.5.15 or later (targeted availability 1Q2019).

For V8.0.0.0 through 8.0.0.15:

. Upgrade to minimal fix pack levels as required by interim fixes and then
apply Interim Fix PI99402

For V7.0.0.0 through 7.0.0.45:

. Upgrade to minimal fix pack levels as required by interim fixes and then
apply Interim Fix PI99402
 

WebSphere Application Server V7 and V8 are no longer in full support; IBM
recommends upgrading to a fixed, supported version/release/platform of the
product.

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.

Related Information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

Change History

04 September 2018: 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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=gU8c
-----END PGP SIGNATURE-----

« Back to bulletins