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             AUSCERT External Security Bulletin Redistribution

           Multiple vulnerabilities in IBM Java SDK affects IBM
                       WebSphere Application Server
                                3 May 2019


        AusCERT Security Bulletin Summary

Product:           IBM WebSphere Application Server Liberty
Publisher:         IBM
Operating System:  Linux variants
Impact/Access:     Execute Arbitrary Code/Commands -- Remote/Unauthenticated
                   Denial of Service               -- Remote/Unauthenticated
                   Access Confidential Data        -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2019-2426 CVE-2018-12547 

Reference:         ASB-2019.0018

Original Bulletin: 

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Multiple vulnerabilities in IBM Java SDK affects IBM WebSphere Application
Server for IBM Cloud Private VM Quickstarter January 2019 CPU

Product:             WebSphere Application Server in IBM Cloud
Software version:    IBM WebSphere Application Server for IBM Cloud Private VM
Operating system(s): Linux
Reference #:         0876362

Security Bulletin


There are multiple vulnerabiltities in the IBM SDK Java Technology Edition that
is shipped with IBM WebSphere Application Server. These issues were disclosed
in the IBM Java SDK updates in January 2019. These may affect some
configurations of IBM WebSphere Application Server for IBM Cloud Private VM

Vulnerability Details

For information on the IBM Java SDK that is now bundled with WebSphere
Application Server Version 8.5.5 refer to the Knowledge Center link in the
References section.

If you run your own Java code using the IBM Java Runtime delivered with this
product, you should evaluate your code to determine whether the complete list
of vulnerabilities are applicable to your code. For a complete list of
vulnerabilities please refer to the link for "IBM Java SDK Security Bulletin"
located in the References section for more information.

CVEID: CVE-2019-2426
DESCRIPTION: An unspecified vulnerability related to the Java SE Networking
component could allow an unauthenticated attacker to obtain sensitive
information resulting in a low confidentiality impact using unknown attack
CVSS Base Score: 3.7
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
155744 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N)

CVEID: CVE-2018-12547
DESCRIPTION: Eclipse OpenJ9 is vulnerable to a buffer overflow, caused by
improper bounds checking by the jio_snprintf()and jio_vsnprintf() functions. By
sending an overly long argument, a remote attacker could overflow a buffer and
execute arbitrary code on the system or cause the application to crash.
CVSS Base Score: 9.8
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
157512 for more information
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)

Affected Products and Versions

IBM SDK, Java Technology Editions shipped with WebSphere Application Server
Liberty through

This vulnerability affects the following versions and releases of IBM WebSphere
Application Server for IBM Cloud Private VM Quickstarter

  o 2.0


For details on the vulnerabilities refer to the security bulletinlisted below:

  o Multiple Vulnerabilities in IBM Java SDK affects WebSphere Application
    Server January 2019 CPU

To obtain these changes for your installation, upgrade IBM WebSphere
Application Server for IBM Cloud Private VM Quickstarter to version 3.0 or
higher. The service procedure can be found here:

  o Upgrading your installation

Change History

30 April 2019 - Original document published

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