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             AUSCERT External Security Bulletin Redistribution

   Vulnerability in IBM Java SDK (April 2019) affecting IBM Application
        Delivery Intelligence for IBM Z V5.1.0, V5.0.5, and V5.0.4
                               2 August 2019


        AusCERT Security Bulletin Summary

Product:           IBM Application Delivery Intelligence
Publisher:         IBM
Operating System:  Linux variants
Impact/Access:     Denial of Service -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2019-2602  

Reference:         ESB-2019.2888

Original Bulletin: 

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Vulnerability in IBM Java SDK (April 2019) affecting IBM Application Delivery
Intelligence for IBM Z V5.1.0, V5.0.5, and V5.0.4

Product:             IBM Application Delivery Intelligence
Software version:    5.0.4, 5.0.5, 5.1.0
Operating system(s): Linux, Windows
Reference #:         0959605

Security Bulletin


A vulnerability is identified in IBM SDK Java Technology Edition Version 1.8
and Version 1.7 that are used by IBM Application Delivery Intelligence for IBM
Z V5.1.0, V5.0.5, and V5.0.4 respectively. These issues were disclosed as part
of the IBM Java SDK updates in April 2019.

Vulnerability Details

CVEID: CVE-2019-2602
DESCRIPTION: An unspecified vulnerability in Oracle Java SE related to the Java
SE, Java SE Embedded Libraries component could allow an unauthenticated
attacker to cause a denial of service resulting in a high availability impact
using unknown attack vectors.
CVSS Base Score: 7.5
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
159698 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS: 3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

Affected Products and Versions

IBM Application Delivery Intelligence for IBM Z V5.1.0

IBM Application Delivery Intelligence for IBM Z V5.0.5

IBM Application Delivery Intelligence for IBM Z V5.0.4


Obtain the latest Java JRE CPU update for the IBM Java SDK by using the
following information.

ADI 5.1.0, Java 1.8

ADI 5.0.5, Java 1.8

ADI 5.0.4, Java 1.7

 1. Upgrade your JRE by following the instructions in the link below:
    How to update the IBM SDK for Java of IBM Rational products based on
    version or later of IBM's Jazz technology
 2. Navigate to the server directory in your Rational product installation
    path, and go to jre/lib/security path.

     1. Open the java.security file by using your preferred text editor (for
        example, Notepad for Windows or Vim Editor for Linux).

     2. Remove the MD5 option from the jdk.jar.disabledAlgorithms parameter

           Before modification:
            jdk.jar.disabledAlgorithms=MD2, MD5, RSA keySize < 1024
           After modification:
            jdk.jar.disabledAlgorithms=MD2, RSA keySize < 1024

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