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             AUSCERT External Security Bulletin Redistribution

                               ESB-2018.3413
        Security Bulletin: Multiple Security vulnerabilities affect
                  Rational Engineering Lifecycle Manager
                              1 November 2018

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

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

Product:           IBM Rational Engineering Lifecycle Manager
Publisher:         IBM
Operating System:  Windows
                   UNIX variants (UNIX, Linux, OSX)
Impact/Access:     Cross-site Scripting     -- Existing Account            
                   Access Confidential Data -- Existing Account            
                   Unauthorised Access      -- Remote with User Interaction
Resolution:        Patch/Upgrade
CVE Names:         CVE-2018-1659 CVE-2018-1607 CVE-2018-1588
                   CVE-2018-1560 CVE-2018-1539 

Reference:         ASB-2018.0210
                   ESB-2018.3141
                   ESB-2018.3010
                   ESB-2018.3004
                   ESB-2018.2995
                   ESB-2018.2993

Original Bulletin: 
   https://www.ibm.com/support/docview.wss?uid=ibm10731511

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Security Bulletin: Multiple Security vulnerabilities affect Rational
Engineering Lifecycle Manager

Document information

More support for: Rational Engineering Lifecycle Manager

Software version: 5.0.x, 6.0, 6.0.1, 6.0.2, 6.0.3, 6.0.4, 6.0.5, 6.0.6

Operating system(s): Platform Independent

Reference #: 0731511

Modified date: 31 October 2018

Security Bulletin


Summary

Rational Engineering Lifecycle Manager is vulnerable to multiple security
vulnerabilities.

Vulnerability Details

CVEID: CVE-2018-1588
DESCRIPTION: IBM Jazz Foundation is vulnerable to a XML External Entity
Injection (XXE) attack when processing XML data. A remote attacker could
exploit this vulnerability to expose sensitive information or consume memory
resources.
CVSS Base Score: 7.1
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
143501 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L)

CVEID: CVE-2018-1607
DESCRIPTION: IBM RELM is vulnerable to a XML External Entity Injection (XXE)
attack when processing XML data. A remote attacker could exploit this
vulnerability to expose sensitive information or consume memory resources.
CVSS Base Score: 7.1
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
143797 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L)

CVEID: CVE-2018-1659
DESCRIPTION: IBM RELM is vulnerable to cross-site scripting. This vulnerability
allows users to embed arbitrary JavaScript code in the Web UI thus altering the
intended functionality potentially leading to credentials disclosure within a
trusted session.
CVSS Base Score: 5.4
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
144885 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N)

CVEID: CVE-2018-1539
DESCRIPTION: IBM RELM could allow remote attackers to bypass authentication via
a direct request or forced browsing to a page other than URL intended.
CVSS Base Score: 5.4
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
142561 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N)

CVEID: CVE-2018-1560
DESCRIPTION: IBM RELM is vulnerable to cross-site scripting. This vulnerability
allows users to embed arbitrary JavaScript code in the Web UI thus altering the
intended functionality potentially leading to credentials disclosure within a
trusted session.
CVSS Base Score: 5.4
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
142958 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N)

Affected Products and Versions

Rational Engineering Lifecycle Manager 5.0 - 5.0.2
Rational Engineering Lifecycle Manager 6.0 - 6.0.6

Remediation/Fixes

For 6.0 - 6.0.6 releases, upgrade to one of the following versions:

  o Upgrade to version 6.0.6 ifix02 or later:
      -
         1. Get the CLM 6.0.6 ifix02 or later from: CLM 6.0.6 iFix02
         2. Start the package installation and select RELM when asked about the
            products to be updated.

  o Upgrade to version 6.0.5 ifix08 or later:
      -
         1. Get the CLM 6.0.5 ifix08 or later from: CLM 6.0.5 iFix08
         2. Start the package installation and select RELM when asked about the
            products to be updated.

  o Upgrade to version 6.0.4 ifix011 or later:
      -
         1. Get the CLM 6.0.4 ifix011 or later from: CLM 6.0.4 iFix011
         2. Start the package installation and select RELM when asked about the
            products to be updated.
  o or Upgrade to 6.0.2 ifix18 or later:
      -
         1. Get the CLM 6.0.2 ifix18 or later from: CLM 6.0.2 iFix18
         2. Start the package installation and select RELM when asked about the
            products to be updated.

For the 5.x releases, and any prior versions of the products listed above, IBM
recommends upgrading to a fixed, supported version/release/platform of the
product.

If the iFix is not found in the Fix Portal please contact IBM Support.

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.

Reference

Complete CVSS v3 Guide
On-line Calculator v3

Related Information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

Change History

29 September 2018: initial version published
31 October 2018: Typos fixed on Remediation/Fixes section

*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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