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             AUSCERT External Security Bulletin Redistribution

                               ESB-2018.0663
        Security Bulletin: Multiple Vulnerabilities in IBM(R) Java
            SDK Affect IBM WebSphere Portal (January 2018 CPU)
                               7 March 2018

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

Product:           IBM WebSphere Portal
Publisher:         IBM
Operating System:  AIX
                   HP-UX
                   IBM i
                   Linux variants
                   Solaris
                   Windows
                   z/OS
Impact/Access:     Execute Arbitrary Code/Commands -- Remote with User Interaction
                   Modify Arbitrary Files          -- Remote/Unauthenticated      
                   Denial of Service               -- Remote/Unauthenticated      
                   Access Confidential Data        -- Remote/Unauthenticated      
Resolution:        Patch/Upgrade
CVE Names:         CVE-2018-2637 CVE-2018-2634 CVE-2018-2633
                   CVE-2018-2603 CVE-2018-2602 CVE-2018-2579

Reference:         ASB-2018.0024
                   ESB-2018.0660
                   ESB-2018.0653
                   ESB-2018.0565
                   ESB-2018.0563

Original Bulletin: 
   http://www.ibm.com/support/docview.wss?uid=swg22014306

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Security Bulletin: Multiple Vulnerabilities in IBM Java SDK Affect IBM 
WebSphere Portal (January 2018 CPU)

Document information

More support for: WebSphere Portal

Software version: 7.0, 8.0, 8.5, 9.0

Operating system(s): AIX, HP-UX, IBM i, Linux, Solaris, Windows, z/OS

Reference #: 2014306

Modified date: 06 March 2018

Security Bulletin

Summary

There are multiple vulnerabilities in IBM SDK Java 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 January 2018.

Vulnerability Details

Multiple vulnerabilities in IBM Java SDK affect IBM WebSphere Portal.

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.

CVEID: CVE-2018-2633

DESCRIPTION: An unspecified vulnerability related to the Java SE JNDI 
component could allow an unauthenticated attacker to take control of the 
system.

CVSS Base Score: 8.3

CVSS Temporal Score: See 
https://exchange.xforce.ibmcloud.com/vulnerabilities/137885 for the current 
score

CVSS Environmental Score*: Undefined

CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H)

CVEID: CVE-2018-2637

DESCRIPTION: An unspecified vulnerability related to the Java SE JMX component
could allow an unauthenticated attacker to cause high confidentiality impact,
high integrity impact, and no availability impact.

CVSS Base Score: 7.4

CVSS Temporal Score: See 
https://exchange.xforce.ibmcloud.com/vulnerabilities/137889 for the current 
score

CVSS Environmental Score*: Undefined

CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N)

CVEID: CVE-2018-2634

DESCRIPTION: An unspecified vulnerability related to the Java SE JGSS 
component could allow an unauthenticated attacker to obtain sensitive 
information resulting in a high confidentiality impact using unknown attack 
vectors.

CVSS Base Score: 6.8

CVSS Temporal Score: See 
https://exchange.xforce.ibmcloud.com/vulnerabilities/137886 for the current 
score

CVSS Environmental Score*: Undefined

CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N)

CVEID: CVE-2018-2603

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 low availability impact using unknown attack vectors.

CVSS Base Score: 5.3

CVSS Temporal Score: See 
https://exchange.xforce.ibmcloud.com/vulnerabilities/137855 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:L)

CVEID: CVE-2018-2602

DESCRIPTION: An unspecified vulnerability related to the Java SE I18n 
component could allow an unauthenticated attacker to cause low confidentiality
impact, low integrity impact, and low availability impact.

CVSS Base Score: 4.5

CVSS Temporal Score: See 
https://exchange.xforce.ibmcloud.com/vulnerabilities/137854 for the current 
score

CVSS Environmental Score*: Undefined

CVSS Vector: (CVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L)

CVEID: CVE-2018-2579

DESCRIPTION: An unspecified vulnerability related to the Java SE Libraries 
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/137833 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

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 "Security Bulletin: Multiple
Vulnerabilities in IBM Java SDK affects WebSphere Application Server January 
2018 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

Important note

IBM strongly suggests that all System z customers be subscribed to the System
z Security Portal to receive the latest critical System z security and 
integrity service. If you are not subscribed, see the instructions on the 
System z Security web site. Security and integrity APARs and associated fixes
will be posted to this portal. IBM suggests reviewing the CVSS scores and 
applying all security or integrity fixes as soon as possible to minimize any 
potential risk.

References

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

6 March 2018: 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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