ESB-2018.3426 - [Win][UNIX/Linux] IBM Rational Engineering Lifecycle Manager: Access confidential data - Existing account 2018-11-01

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2018.3426
        Security Bulletin: Security vulnerability affects Rational
                       Engineering Lifecycle Manager
                              1 November 2018

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

Product:           IBM Rational Engineering Lifecycle Manager
Publisher:         IBM
Operating System:  Windows
                   UNIX variants (UNIX, Linux, OSX)
Impact/Access:     Access Confidential Data -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2018-1846  

Original Bulletin: 
   https://www.ibm.com/support/docview.wss?uid=ibm10738075

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Security Bulletin: Security vulnerability affects 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 #: 0738075

Modified date: 31 October 2018

Security Bulletin


Summary

Rational Engineering Lifecycle Manager is affected by a potential security
vulnerability

Vulnerability Details

CVEID: CVE-2018-1846
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/
150945 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)

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 - 6.0.4 releases, upgrade to one of the following versions:

  o Upgrade to version 6.0.6 ifix03 or later:
      -
         1. Get the CLM 6.0.6 ifix03 or later from: CLM 6.0.6 iFix03
         2. Start the package installation and select RELM when asked about the
            products to be updated.

  o or Upgrade to 6.0.2 ifix19 or later:
      -
         1. Get the CLM 6.0.2 ifix19 or later from: CLM 6.0.2 iFix19 (Planned
            publication within 30 days)
         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

Get Notified about Future Security Bulletins

Subscribe to My Notifications to be notified of important product support
alerts like this.

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

31 October 2018: initial 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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