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AUSCERT External Security Bulletin Redistribution
ESB-2015.0522
Security Bulletin: Vulnerability in Rational DOORS Next Generation and
Rational Requirements Composer with potential for Denial of
Service attack (CVE-2015-0132)
6 March 2015
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AusCERT Security Bulletin Summary
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Product: IBM Rational DOORS
Publisher: IBM
Operating System: IBM i
Linux variants
Windows
Impact/Access: Denial of Service -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2015-0132
Original Bulletin:
http://www-01.ibm.com/support/docview.wss?uid=swg21698248
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Security Bulletin: Vulnerability in Rational DOORS Next Generation and
Rational Requirements Composer with potential for Denial of Service attack
(CVE-2015-0132)
Document information
More support for:
Rational DOORS Next Generation
General information
Software version:
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
Operating system(s):
IBM i, Linux, Windows
Reference #:
1698248
Modified date:
2015-03-05
Security Bulletin
Summary
An undisclosed security vulnerability of IBM Rational DOORS Next Generation
and Rational Requirements Composer may result in a Denial of Service attack.
Vulnerability Details
CVEID: CVE-2015-0132
Description: IBM Rational Requirements Composer and Rational DOORS Next
Generation (RRC / DNG) is vulnerable to a denial of service attack, caused by
the failure to properly detect recursion during entity expansion by the XML
parser. A remote attacker could exploit this vulnerability using a specially
crafted XML document containing a large number of nested entity references to
consume all available memory resources.
CVSS Base Score: 5
CVSS Temporal Score: See http://xforce.iss.net/xforce/xfdb/100684 for the
current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:L/Au:N/C:N/I:N/A:P)
Affected Products and Versions
Rational Requirements Composer 2.0 - 2.0.0.4
Rational Requirements Composer 3.0.1 - 3.0.1.6
Rational Requirements Composer 4.0 - 4.0.7
Rational DOORS Next Generation 4.0 - 4.0.7
Rational DOORS Next Generation 5.0 - 5.0.1
Remediation/Fixes
A fix is available by upgrading to the 5.0.2 release
Rational DOORS Next Generation 5.0.2
For the 4.x releases upgrade to version 4.0.7 iFix 3.
Rational DOORS Next Generation 4.0.7 iFix3
Rational Requirements Composer 4.0.7 iFix3
For the 3.x releases upgrade to version 3.0.1.6 iFix5
Rational Requirements Composer 3.0.1.6 iFix5
For the 2.x releases, contact IBM support for additional details on the fix.
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 Guide
On-line Calculator V2
Related information
IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog
*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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