ESB-2018.3804 - [Win][Linux][IBM i][HP-UX][Solaris][AIX] IBM WebSphere Application Server: Access confidential data - Existing account 2018-12-07

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2018.3804
     Potential information disclosure in WebSphere Application Server
                              7 December 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-2018-1957  

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

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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

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