Protect yourself against future threats.
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
===========================================================================
AUSCERT External Security Bulletin Redistribution
ESB-2015.1414
Security Bulletin: Users are not logged out of the Requirements Management
(RM) application after the LTPA timeout period is reached (CVE-2015-0121)
29 May 2015
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: IBM Rational DOORS Next Generation
Publisher: IBM
Operating System: IBM i
Linux variants
Windows
Impact/Access: Unauthorised Access -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2015-0121
Original Bulletin:
http://www-01.ibm.com/support/docview.wss?uid=swg21903761
- --------------------------BEGIN INCLUDED TEXT--------------------
Security Bulletin: Users are not logged out of the Requirements Management
(RM) application after the LTPA timeout period is reached (CVE-2015-0121)
Security Bulletin
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, 5.0.2
Operating system(s):
IBM i, Linux, Windows
Reference #:
1903761
Modified date:
2015-05-28
Summary
For certain configurations of IBM Rational DOORS Next Generation or IBM
Rational Requirements Composer, it is possible to obtain a configuration where
users are not logged out after the IBM WebSphere LTPA timeout period expires.
Vulnerability Details
CVEID: CVE-2015-0121
DESCRIPTION: IBM Rational DOORS Next Generation allows a single browser client
to sign into RDNG as two different users. Because of this, it is possible for
one user to access pages with the other user's privileges, if both users are
sharing the same browser client.
CVSS Base Score: 3.5
CVSS Temporal Score: See http://xforce.iss.net/xforce/xfdb/100419 for the
current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:L/AC:H/Au:S/C:P/I:P/A:P)
Affected Products and Versions
Rational Requirements Composer 3.0 - 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 - 5.0.2
Remediation/Fixes
The vulnerability only exists for applications that are deployed on IBM
WebSphere Application Server, and which are further configured to use LTPA
single sign on tokens. It is further necessary to adjust the LTPA session
expiration timeout to non-default values.
Please follow the instructions in this technote to ensure proper configuration
of all the timeout parameters:
Users are not logged out of the Requirements Management (RM) application after
the LTPA timeout period is reached
Workarounds and Mitigations
Do not share your computer session with other users, or walk away from your
computer without logging off of the RM application.
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.
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.
- --------------------------END INCLUDED TEXT--------------------
You have received this e-mail bulletin as a result of your organisation's
registration with AusCERT. The mailing list you are subscribed to is
maintained within your organisation, so if you do not wish to continue
receiving these bulletins you should contact your local IT manager. If
you do not know who that is, please send an email to auscert@auscert.org.au
and we will forward your request to the appropriate person.
NOTE: Third Party Rights
This security bulletin is provided as a service to AusCERT's members. As
AusCERT did not write the document quoted above, AusCERT has had no control
over its content. The decision to follow or act on information or advice
contained in this security bulletin is the responsibility of each user or
organisation, and should be considered in accordance with your organisation's
site policies and procedures. AusCERT takes no responsibility for consequences
which may arise from following or acting on information or advice contained in
this security bulletin.
NOTE: This is only the original release of the security bulletin. It may
not be updated when updates to the original are made. If downloading at
a later date, it is recommended that the bulletin is retrieved directly
from the author's website to ensure that the information is still current.
Contact information for the authors of the original document is included
in the Security Bulletin above. If you have any questions or need further
information, please contact them directly.
Previous advisories and external security bulletins can be retrieved from:
http://www.auscert.org.au/render.html?cid=1980
===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072
Internet Email: auscert@auscert.org.au
Facsimile: (07) 3365 7031
Telephone: (07) 3365 4417 (International: +61 7 3365 4417)
AusCERT personnel answer during Queensland business hours
which are GMT+10:00 (AEST).
On call after hours for member emergencies only.
===========================================================================
-----BEGIN PGP SIGNATURE-----
Comment: http://www.auscert.org.au/render.html?it=1967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=4Png
-----END PGP SIGNATURE-----