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             AUSCERT External Security Bulletin Redistribution

                               ESB-2018.2854
          Security Bulletin: Information disclosure in WebSphere
                Application Server Liberty (CVE-2018-1683)
                             24 September 2018

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

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

Product:           IBM WebSphere Application Server Liberty
Publisher:         IBM
Operating System:  AIX
                   HP-UX
                   IBM i
                   Linux variants
                   Solaris
                   Windows
                   z/OS
Impact/Access:     Access Privileged Data -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2018-1683  

Original Bulletin: 
   https://www.ibm.com/support/docview.wss?uid=ibm10716533

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

Security Bulletin: Information disclosure in WebSphere Application Server
Liberty (CVE-2018-1683)

Security Bulletin

Document information

More support for: WebSphere Application Server

Software version: All Versions

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

Software edition: Liberty

Reference #: 0716533

Modified date: 21 September 2018

Summary

There is a potential information disclosure vulnerability in WebSphere
Application Server Liberty.

Vulnerability Details

CVEID: CVE-2018-1683
DESCRIPTION: IBM WebSphere Application Server Liberty could allow a remote
attacker to obtain sensitive information, caused by the failure to encrypt ORB
communication.
CVSS Base Score: 5.9
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
145455 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N)

Affected Products and Versions

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

  o Liberty

Remediation/Fixes

The recommended solution is to apply the interim fix, Fix Pack or PTF
containing APARs PI99176 for each named product as soon as practical.

For WebSphere Application Server Liberty:
. Upgrade to minimal fix pack levels as required by interim fix and then apply
Interim Fix PI99176
- --OR--
. Apply Liberty Fix Pack 18.0.0.3 or later.
 

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.

Reference

Complete CVSS v3 Guide
On-line Calculator v3

Related Information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

Change History

21 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--------------------

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