ESB-2018.1930 - [Win][Linux][IBM i][HP-UX][Solaris][AIX] IBM WebSphere Application Server: Access confidential data - Existing account 2018-07-03

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2018.1930
  Information Disclosure in WebSphere Application Server (CVE-2018-1621)
                                3 July 2018

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        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-2018-1621  

Original Bulletin: 
   http://www.ibm.com/support/docview.wss?uid=swg22016821

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Security Bulletin: Information Disclosure in WebSphere Application Server
(CVE-2018-1621)

Security Bulletin

Document information
Software version: 7.0, 8.0, 8.5, 9.0
Operating system(s): AIX, HP-UX, IBM i, Linux, Solaris, Windows, z/OS
Software edition: Advanced, Base, Developer, Enterprise, Express, Network
Deployment
Reference #: 2016821
Modified date: 28 June 2018

Summary

There is a potential Information disclosure vulnerability in WebSphere
Application Server.

Vulnerability Details

CVEID: CVE-2018-1621
DESCRIPTION: IBM WebSphere Application Server could allow a local attacker to
obtain clear text password in a trace file caused by improper handling of some
datasource custom properties.
CVSS Base Score: 4.4
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
144346 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:H/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:

  * Version 9.0
  * Version 8.5
  * Version 8.0
  * Version 7.0

Remediation/Fixes

The recommended solution is to apply the interim fix, Fix Pack or PTF
containing APARs PI98140 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 9.0.0.7:
- - Upgrade to minimal fix pack levels as required by interim fixes and then
apply Interim Fix PI98140
- --OR--
- - Apply Fix Pack 9.0.0.8 or later (targeted availability 29 June 2018).

For V8.5.0.0 through 8.5.5.13:
- - Upgrade to minimal fix pack levels as required by interim fixes and then
apply Interim Fix PI98140
- --OR--
- - Apply Fix Pack 8.5.5.14 or later (targeted availability 3Q2018).

For V8.0.0.0 through 8.0.0.15:
- - Upgrade to a minimal fix pack levels as required by interim fix and then
apply Interim Fix PI98140

For V7.0.0.0 through 7.0.0.45:
- - Upgrade to a minimal fix pack levels as required by interim fix and then
apply Interim Fix PI98140

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.

Change History

28 June 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.

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