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AUSCERT External Security Bulletin Redistribution
ESB-2019.2061
Multiple Vulnerabilities in IBM Java SDK Affect IBM WebSphere Portal
10 June 2019
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AusCERT Security Bulletin Summary
---------------------------------
Product: IBM WebSphere Portal
Publisher: IBM
Operating System: Windows
UNIX variants (UNIX, Linux, OSX)
Impact/Access: Modify Arbitrary Files -- Remote/Unauthenticated
Denial of Service -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2019-2684 CVE-2019-2602
Reference: ASB-2019.0118
ESB-2019.2059
ESB-2019.2046
ESB-2019.2038
Original Bulletin:
http://www.ibm.com/support/docview.wss?uid=ibm10886947
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Security Bulletin: Multiple Vulnerabilities in IBM Java SDK Affect IBM
WebSphere Portal (April 2019 CPU)
Security Bulletin
Document information
More support for: WebSphere Portal
Software version: 7.0, 8.0, 8.5, 9.0
Operating system(s): Platform Independent
Reference #: 0886947
Modified date: 07 June 2019
Summary
There are multiple vulnerabilities in IBM(R) SDK Java(TM) Technology Edition that is
shipped with IBM WebSphere Application Server which is shipped with IBM
WebSphere Portal. 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 related to the Java SE 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)
CVEID: CVE-2019-2684
DESCRIPTION: An unspecified vulnerability related to the Java SE RMI component
could allow an unauthenticated attacker to cause no confidentiality impact,
high integrity impact, and no availability impact.
CVSS Base Score: 5.9
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
159776 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N)
Note: If you run your own Java code using the IBM Java Runtime delivered with
this product, you should evaluate your code to determine whether the complete
list of vulnerabilities are applicable to your code. For a complete list of
vulnerabilities please refer to the link for "IBM Java SDK Security Bulletin"
located in the "References" section for more information.
Affected Products and Versions
+-------------------------------+----------------------+
| Affected Product | Affected Versions |
+-------------------------------+----------------------+
|IBM WebSphere Portal |9.0 |
+-------------------------------+----------------------+
|IBM WebSphere Portal |8.5 |
+-------------------------------+----------------------+
|IBM WebSphere Portal |8.0 |
+-------------------------------+----------------------+
|IBM WebSphere Portal |7.0 |
+-------------------------------+----------------------+
For unsupported versions IBM recommends upgrading to a fixed, supported version
of the product.
Remediation/Fixes
Upgrade the SDK per WebSphere Application Server per Security Bulletin:
Multiple Vulnerabilities in IBM(R) Java SDK affects WebSphere Application Server
April 2019 CPU.
For V9.0
Upgrade the SDK.
For V8.5
Upgrade the SDK.
For V8.0
Upgrade the SDK.
For V7.0
Upgrade the SDK.
Workarounds and Mitigations
None
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alerts like this.
Reference
Complete CVSS v3 Guide
On-line Calculator v3
IBM Java SDK Security Bulletin
Related Information
IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog
Change History
07 June 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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