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AUSCERT External Security Bulletin Redistribution
ESB-2019.0853
Security Bulletin: Multiple vulnerabilities in IBM Java SDK and IBM Java
Runtime affect IBM Decision Optimization Center
(CVE-2018-1890, CVE-2018-12547)
15 March 2019
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AusCERT Security Bulletin Summary
---------------------------------
Product: IBM Decision Optimization Center
Publisher: IBM
Operating System: AIX
Linux variants
Windows
Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated
Increased Privileges -- Existing Account
Denial of Service -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2018-12547 CVE-2018-1890
Reference: ESB-2019.0845
ESB-2019.0807
ESB-2019.0788
ESB-2019.0777
ESB-2019.0725
Original Bulletin:
http://www.ibm.com/support/docview.wss?uid=ibm10875686
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Security Bulletin: Multiple vulnerabilities in IBM Java SDK and IBM Java
Runtime affect IBM Decision Optimization Center (CVE-2018-1890,
CVE-2018-12547)
Document information
More support for: IBM Decision Optimization Center
Software version: 3.9.0.2,3.9.0.1, 3.9.0, 3.8.0.2, 3.8.0.1, 3.8, 3.7.0.2,
3.7.0.1, 3.7
Operating system(s): AIX, Linux, Windows
Software edition: All Editions
Reference #: 0875686
Modified date: 14 March 2019
Summary
There are multiple vulnerabilities in IBM(R) SDK Java(TM) and IBM(R) Runtime
Environment Java(TM) Versions 7 & 8 used by IBM Decision Optimization Center. IBM
Decision Optimization Center have addressed the applicable CVEs.
Vulnerability Details
If you run your own Java code using the IBM Java Runtime delivered with this
product, you should evaluate your code to determine whether additional Java
vulnerabilities are applicable to your code. For a complete list of
vulnerabilities, refer to the "IBM Java SDK Security Bulletin", 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 the current score
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 Decision Optimization Center 3.9 and earlier releases
IBM SDK, Java Technology Edition, Version 7 Service Refresh 10 Fix Pack 35 and
earlier releases
IBM SDK, Java Technology Edition, Version 8 Service Refresh 5 Fix Pack 27 and
earlier releases
Remediation/Fixes
The recommended solution is to download and install the IBM Java SDK as soon
as practicable.
Please note that IBM SDK Java 6 is no longer supported anymore. IBM recommends
upgrading to DOC 3.9 or subsequent releases.
Before installing a newer version of IBM Java SDK, please ensure that you:
o Close any open programs that you have running;
o Rename the initial directory of the IBM Java SDK (for example: with a .old
at the end),
o Download and install IBM Java SDK.
IBM Decision Optimization Center
- From v3.8.0.2: IBM SDK, Java Technology Edition, Version 7 Service Refresh 10
Fix Pack 40 and subsequent releases
- From v3.9.0.1: IBM SDK, Java Technology Edition, Version 8 Service Refresh 5
Fix Pack 30 and subsequent releases
You must verify that applying this fix does not cause any compatibility
issues.
Here are the detailed instructions for updating IBM Java SDK.
Workarounds and Mitigations
None
Change History
14 March 2019: Original Version 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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