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AUSCERT External Security Bulletin Redistribution
ESB-2019.2036
Multiple vulnerabilities in IBM Java SDK affect IBM Rational
Application Developer for WebSphere Software
6 June 2019
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AusCERT Security Bulletin Summary
---------------------------------
Product: IBM Rational Application Developer
Publisher: IBM
Operating System: Linux variants
OS X
Windows
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
ESB-2019.2006
ESB-2019.2005
ESB-2019.1999
Original Bulletin:
http://www.ibm.com/support/docview.wss?uid=ibm10886063
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Security Bulletin: Multiple vulnerabilities in IBM Java SDK affect IBM Rational
Application Developer for WebSphere Software
Security Bulletin
Document information
More support for: Rational Application Developer for WebSphere Software
Component: General Information
Software version: 9.1, 9.1.0.1, 9.1.1, 9.1.1.1, 9.1.1.2, 9.5, 9.5.0.1, 9.5.0.2,
9.5.0.3, 9.6, 9.6.1, 9.6.1.1, 9.7
Operating system(s): Linux, OS X, Windows
Reference #: 0886063
Modified date: 05 June 2019
Summary
There are multiple vulnerabilities in IBM(R) SDK Java(TM) 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
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)
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 - 9.1.1.2
Rational Application Developer 9.5 - 9.5.0.3
Rational Application Developer 9.6 - 9.6.1.1
Rational Application Developer 9.7
Remediation/Fixes
Update the IBM SDK, Java Technology Edition of the product to address this
vulnerability:
+--------------------------+------------------------------------+-------------+------------------------------------------------+
|Product |VRMF |APAR |Remediation/First Fix |
+--------------------------+------------------------------------+-------------+------------------------------------------------+
|Rational Application |9.5 through 9.7 | PH12591 | o Java 7 SR10 FP40, IBM SDK Technology Edition|
|Developer | | | 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.
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Reference
Complete CVSS v3 Guide
On-line Calculator v3
Related Information
IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog
Change History
04 June 2019: original document published
*The CVSS Environment Score is customer environment specific and will
ultimately impact the Overall CVSS Score. Customers can evaluate the impact of
this vulnerability in their environments by accessing the links in the
Reference section of this Security Bulletin.
Disclaimer
According to the Forum of Incident Response and Security Teams (FIRST), the
Common Vulnerability Scoring System (CVSS) is an "industry open standard
designed to convey vulnerability severity and help to determine urgency and
priority of response." IBM PROVIDES THE CVSS SCORES ""AS IS"" WITHOUT WARRANTY
OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF
ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.
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