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             AUSCERT External Security Bulletin Redistribution

                               ESB-2019.2006
         Vulnerabilities in the Java runtime environment that IBM
                  provides affect WebSphere eXtreme Scale
                                5 June 2019

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

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

Product:           IBM WebSphere eXtreme Scale
Publisher:         IBM
Operating System:  AIX
                   HP-UX
                   Linux variants
                   Solaris
                   Windows
Impact/Access:     Execute Arbitrary Code/Commands -- Remote/Unauthenticated
                   Increased Privileges            -- Existing Account      
                   Denial of Service               -- Remote/Unauthenticated
                   Access Confidential Data        -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2019-2426 CVE-2018-12547 CVE-2018-1890

Reference:         ASB-2019.0018
                   ESB-2019.1999
                   ESB-2019.1998
                   ESB-2019.1988

Original Bulletin: 
   http://www.ibm.com/support/docview.wss?uid=ibm10884066

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Vulnerabilities in the Java runtime environment that IBM provides affect
WebSphere eXtreme Scale

Product:             WebSphere eXtreme Scale
Software version:    8.6
Operating system(s): AIX, HP-UX, Linux, Solaris, Windows
Reference #:         0884066

Security Bulletin

Summary

There are vulnerabilities in IBM Runtime Environment Java Version 7 and 8 used
by WebSphere eXtreme Scale. The issues were disclosed as part of the IBM SDK,
Java Technology Edition updates in January 2019.

Vulnerability Details

If you run your own Java code using the Java Runtime that IBM provides with
this product, then evaluate your code to determine whether the complete list of
vulnerabilities are applicable to your code. For a complete list of
vulnerabilities, refer to the IBM SDK, Java Technology Edition Security
Bulletins located in the "References" section for more information.

CVEID: CVE-2018-1890
DESCRIPTION: IBM SDK, Java Technology Edition Version 8 on the AIX platform
uses absolute RPATHs which may facilitate code injection and privilege
elevation by local users.
CVSS Base Score: 5.6
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
152081 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L)

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)

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
vectors.
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)

Affected Products and Versions

WebSphere Extreme Scale: 8.6.0
WebSphere Extreme Scale: 8.6.1

Remediation/Fixes

+-------------+---------+---------+-------------------------------------------+
|   Product   |  VRMF   |  APAR   |           Remediation/First Fix           |
+-------------+---------+---------+-------------------------------------------+
| WebSphere   |         |         | Refer to the Version 8.6 table in the     |
| eXtreme     | 8.6.0.8 | PH11543 | Recommended Fixes page for WebSphere      |
| Scale       |         |         | eXtreme Scale .                           |
+-------------+---------+---------+-------------------------------------------+
| WebSphere   |         |         | Refer to the Version 8.6.1 table in the   |
| eXtreme     | 8.6.1.3 | PH11543 | Recommended Fixes page for WebSphere      |
| Scale       |         |         | eXtreme Scale .                           |
+-------------+---------+---------+-------------------------------------------+

Workarounds and Mitigations

None

IBM SDK, Java Technology Edition Security Bulletin January 2019.

Change History

2019 May 31 Original version published

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