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             AUSCERT External Security Bulletin Redistribution

       Multiple vulnerabilities in IBM Java SDK affect IBM Rational
               Application Developer for WebSphere Software
                                6 June 2019


        AusCERT Security Bulletin Summary

Product:           IBM Rational Application Developer for WebSphere Software
Publisher:         IBM
Operating System:  Linux variants
                   OS X
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 affect IBM Rational Application
Developer for WebSphere Software

Product:             Rational Application Developer for WebSphere Software
Component:           General Information
Software version:    9.1,, 9.1.1,,, 9.5,,
           ,, 9.6, 9.6.1,, 9.7
Operating system(s): Linux, OS X, Windows
Reference #:         0886063

Security Bulletin


There are multiple vulnerabilities in IBM SDK Java Technology Edition, Versions
7 and 8 that are used by IBM Rational Application Developer for WebSphere
Software. IBM Rational Application Developer for WebSphere Software has
addressed the applicable CVEs.

Vulnerability Details

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

Rational Application Developer 9.1 -

Rational Application Developer 9.5 -

Rational Application Developer 9.6 -

Rational Application Developer 9.7


Update the IBM SDK, Java Technology Edition of the product to address this

|Product                   |VRMF                                |APAR         |Remediation/First Fix                           |
|Rational Application      |9.5 through 9.7                     |   PH12591   |  o Java 7 SR10 FP40 , IBM SDK Technology       |
|Developer                 |                                    |             |    Edition Critical Patch Update               |
|Rational Application      |9.1                                 |   PH12591   |  o Java 8 SR5 FP30 , IBM SDK Technology Edition|
|Developer                 |                                    |             |    Critical Patch Update                       |

Workarounds and Mitigations

No known workarounds.

Change History

04 June 2019: original document published

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