ESB-2018.0202 - [Win][Linux][Apple iOS][Solaris][AIX] IBM Rational products: Multiple vulnerabilities 2018-01-18

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2018.0202
  Security Bulletin: Security Vulnerabilities in IBM(R) Java SDK affects
        multiple IBM Rational products based on IBM Jazz technology
                              18 January 2018

===========================================================================

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

Product:           IBM Rational products
Publisher:         IBM
Operating System:  AIX
                   Linux variants
                   Solaris
                   Windows
                   Apple iOS
Impact/Access:     Execute Arbitrary Code/Commands -- Remote with User Interaction
                   Modify Arbitrary Files          -- Remote/Unauthenticated      
                   Denial of Service               -- Remote/Unauthenticated      
                   Access Confidential Data        -- Console/Physical            
Resolution:        Patch/Upgrade
CVE Names:         CVE-2017-10388 CVE-2017-10357 CVE-2017-10356
                   CVE-2017-10355 CVE-2017-10350 CVE-2017-10349
                   CVE-2017-10348 CVE-2017-10347 CVE-2017-10295
                   CVE-2017-10281  

Reference:         ESB-2018.0016
                   ESB-2017.3147
                   ESB-2017.3011
                   ESB-2017.2806

Original Bulletin: 
   http://www.ibm.com/support/docview.wss?uid=swg22012696

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Security Bulletin: Security Vulnerabilities in IBM Java SDK affects multiple 
IBM Rational products based on IBM Jazz technology

Document information

More support for: Rational Collaborative Lifecycle Management

General Information

Software version: 5.0, 5.0.1, 5.0.2, 6.0, 6.0.1, 6.0.2, 6.0.3, 6.0.4, 6.0.5

Operating system(s): AIX, Linux, Solaris, Windows, iOS

Reference #: 2012696

Modified date: 17 January 2018

Security Bulletin

Summary

There are multiple vulnerabilities in IBM SDK Java Technology Edition, Version
1.6 and 1.7 that are used by IBM Jazz Team Server affecting the following IBM
Jazz Team Server based Applications: Collaborative Lifecycle Management (CLM),
Rational DOORS Next Generation (RDNG), Rational Engineering Lifecycle Manager
(RELM), Rational Team Concert (RTC), Rational Quality Manager (RQM), Rational
Rhapsody Design Manager (Rhapsody DM), and Rational Software Architect (RSA 
DM). These issues were disclosed as part of the IBM Java SDK updates in 
October 2017.

Vulnerability Details

CVEID: CVE-2017-10295

DESCRIPTION: An unspecified vulnerability in Oracle Java SE related to the 
Java SE, Java SE Embedded, JRockit Networking component could allow an 
unauthenticated attacker to cause no confidentiality impact, low integrity 
impact, and no availability impact.

CVSS Base Score: 4

CVSS Temporal Score: See 
https://exchange.xforce.ibmcloud.com/vulnerabilities/133729 for the current 
score

CVSS Environmental Score*: Undefined

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

CVEID: CVE-2017-10281

DESCRIPTION: An unspecified vulnerability in Oracle Java SE related to the 
Java SE, Java SE Embedded, JRockit Serialization 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/133720 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-2017-10350

DESCRIPTION: An unspecified vulnerability in Oracle Java SE related to the 
Java SE, Java SE Embedded JAX-WS 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/133779 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-2017-10347

DESCRIPTION: An unspecified vulnerability in Oracle Java SE related to the 
Java SE, JRockit Serialization 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/133776 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-2017-10349

DESCRIPTION: An unspecified vulnerability in Oracle Java SE related to the 
Java SE, Java SE Embedded JAXP 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/133778 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-2017-10348

DESCRIPTION: An unspecified vulnerability in Oracle Java SE related to the 
Java SE, Java SE Embedded 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/133777 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-2017-10357

DESCRIPTION: An unspecified vulnerability in Oracle Java SE related to the 
Java SE, Java SE Embedded Serialization 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/133786 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-2017-10355

DESCRIPTION: An unspecified vulnerability in Oracle Java SE related to the 
Java SE, Java SE Embedded, JRockit Networking 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/133784 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-2017-10356

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

CVSS Base Score: 6.2

CVSS Temporal Score: See 
https://exchange.xforce.ibmcloud.com/vulnerabilities/133785 for the current 
score

CVSS Environmental Score*: Undefined

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

CVEID: CVE-2017-10388

DESCRIPTION: An unspecified vulnerability in Oracle Java SE related to the 
Java SE, Java SE Embedded Libraries component could allow an unauthenticated 
attacker to take control of the system.

CVSS Base Score: 7.5

CVSS Temporal Score: See 
https://exchange.xforce.ibmcloud.com/vulnerabilities/133813 for the current 
score

CVSS Environmental Score*: Undefined

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

Affected Products and Versions

Rational Collaborative Lifecycle Management 4.0 - 6.0.5

Rational Quality Manager 5.0 - 5.0.2

Rational Quality Manager 6.0 - 6.0.5

Rational Team Concert 5.0 - 5.0.2

Rational Team Concert 6.0 - 6.0.5

Rational DOORS Next Generation 5.0 - 5.0.2

Rational DOORS Next Generation 6.0 - 6.0.5

Rational Engineering Lifecycle Manager 5.0 - 5.0.2

Rational Engineering Lifecycle Manager 6.0 - 6.0.5

Rational Rhapsody Design Manager 4.0 - 4.0.7

Rational Rhapsody Design Manager 5.0 - 5.0.2

Rational Rhapsody Design Manager 6.0 - 6.0.5

Rational Software Architect Design Manager 5.0 - 5.0.2

Rational Software Architect Design Manager 6.0 - 6.0.1

Remediation/Fixes

IMPORTANT CONSIDERATIONS:

If your product is deployed on WebSphere Application Server (WAS) and your 
deployment does not use an Eclipse based client nor the RM Browser plugin, 
then it is sufficient to continue using the existing version of your IBM 
Rational product, and only upgrade the JRE in the WAS server.

For the below remediations, if you have a WAS deployment, then WAS must also 
be remediated, in addition to performing your product upgrades. Follow 
instructions at Security Bulletin: Multiple vulnerabilities in IBM Java SDK 
affects WebSphere Application Server October 2017 CPU to get the WAS 
remediation .

If you are deploying the Rational products to a WAS Liberty or a Tomcat 
Server, you will need to follow the instructions below to upgrade the JRE, and
then must also configure to complete the upgrade process:

3.1. Stop the server: Navigate to the Server directory in your Ratonal product
installation path and run this script: server.shutdown

3.2. Navigate to the server directory in your Rational product installation 
path, open server.startup script using prefered text editor (e.g., Notepad for
Windows or Vim Editor for Linux) and add one more option to the healthcenter 
parameter set:

Search parameter -Dcom.ibm.java.diagnostics.healthcenter.agent in 
server.startup script to find the line containing the health center parameter.

NOTE: For some Rational Collaborative Lifecycle Management versions, 
- -Dcom.ibm.java.diagnostics.healthcenter.agent parameter may not be found in 
the server.startup, in this case the update is not needed and you can start 
using your server.

Windows:

Comment out the line (where HEALTHCENTER_OPTS parameter located) by inserting
"rem " at the beginning of the line:

Before modification:

set HEALTHCENTER_OPTS=-agentlib:healthcenter ...

After modification:

rem set HEALTHCENTER_OPTS=-agentlib:healthcenter ...

Linux:

Comment out the line (where HEALTHCENTER_OPTS parameter located) by inserting
"# " at the beginning of the line:

Before modification:

export HEALTHCENTER_OPTS="-agentlib:healthcenter ...

After modification:

# export HEALTHCENTER_OPTS="-agentlib:healthcenter ...

3.3. Start the server. Navigate to the Server directory in your Rational 
product installation path and run this script: server.startup.

STEPS TO APPLY THE REMEDIATION:

1. Upgrade your products to a supported version: 5.0.2, 6.0.2, or 6.0.5

2. Apply the latest ifix for your installed version.

3. Obtain the October 2017 CPU update for the IBM Java SDK.

Based on version installed, obtain the latest ifixes (recommended), and the 
below indicated java from:

For the 6.0.2 and 6.0.5 releases: JRE 7.1.4.15 
(<product>-JavaSE-JRE-7.1SR4FP15)

Rational Collaborative Lifecycle Management 6.0.2

For the 5.x releases: guidance will be published in the future.

4. Upgrade your JRE following the instructions in the link below:

How to update the IBM SDK for Java of IBM Rational products based on version 
3.0.1.6 or later of IBM's Jazz technology

5. Navigate to the server directory in your Rational product installation 
path, and go to jre/lib/security path.

6. Open java.security file using prefered text editor (e.g., Notepad for 
Windows or Vim Editor for Linux) and remove MD5 option from the 
jdk.jar.disabledAlgorithms parameter set:

Before modification:

jdk.jar.disabledAlgorithms=MD2, MD5, RSA keySize < 1024

After modification:

jdk.jar.disabledAlgorithms=MD2, RSA keySize < 1024

Workarounds and Mitigations

None

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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

Related information

IBM Secure Engineering Web Portal

IBM Product Security Incident Response Blog

Change History

17 January 2018: Initial Publication

*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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