ESB-2018.1644 - [Win][Linux][Solaris][AIX] IBM Rational Software Architect Design Manager: Denial of service - Existing account 2018-06-01

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2018.1644
       XXE and other vulnerability patched in IBM Rational Software
                         Architect Design Manager
                                1 June 2018

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

Product:           IBM Rational Software Architect Design Manager
Publisher:         IBM
Operating System:  AIX
                   Linux variants
                   Solaris
                   Windows
Impact/Access:     Denial of Service        -- Existing Account
                   Access Confidential Data -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2018-1587  

Reference:         ESB-2018.1639

Original Bulletin: 
   http://www.ibm.com/support/docview.wss?uid=swg22016801

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Security Bulletin: IBM Rational Software Architect Design Manager does not
handle incoming requests containing XML in a safe manner (CVE-2018-1456,
CVE-2018-1587)

Security Bulletin

Document information
Software version: 4.0, 4.0.1, 4.0.2, 4.0.3, 4.0.4, 4.0.5, 4.0.6, 4.0.7, 5.0,
5.0.1, 5.0.2, 6.0, 6.0.1
Operating system(s): AIX, Linux, Solaris, Windows
Reference #: 2016801
Modified date: 31 May 2018

Summary

Usage of XML external entities in RSA DM linktype definitions comprises a
security risk including disclosure of local files.
An error message displayed when parsing incorrect XML can disclose unnecessary
technical details that can be potentially used to construct new attacks.

Vulnerability Details

CVEID: CVE-2018-1456
DESCRIPTION: IBM Rhapsody DM 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/
140091 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-2018-1587
DESCRIPTION: IBM Rhapsody DM could reveal technical error messages to allow an
adversary to gain information about the application and database that could be
used to conduct further attacks.
CVSS Base Score: 4.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
143500 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N)

Affected Products and Versions

IBM Rational Software Architect Design Manager 4.0.0 - 4.0.7
IBM Rational Software Architect Design Manager 5.0.0 - 5.0.2
IBM Rational Software Architect Design Manager 6.0.0 - 6.0.2

Remediation/Fixes

For IBM Rational Software Architect Design Manager version 4.0.0 - 4.0.7
contact IBM Support.

For IBM Rational Software Architect Design Manager version 5.0.0 - 5.0.1
upgrade to version 5.0.2 and apply 5.0.2 iFix011d.

For IBM Rational Software Architect Design Manager version 6.0.0 - 6.0.1
upgrade to version 6.0.2 and apply  6.0.2 iFix003d.

Workarounds and Mitigations

None

Acknowledgement

None

Change History

1 June 2018. Publication of initial version

*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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