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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2013.1546 Security Bulletin: Tivoli Federated Identity Manager and Tivoli Federated Identity Manager Business Gateway redirect to an insufficiently validated URL (CVE-2013-5431) 30 October 2013 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: IBM Tivoli Federated Identity Manager IBM Tivoli Federated Identity Manager Business Gateway Publisher: IBM Operating System: AIX HP-UX Linux variants Solaris Windows z/OS Impact/Access: Reduced Security -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2013-5431 Original Bulletin: http://www-01.ibm.com/support/docview.wss?uid=swg21654114 - --------------------------BEGIN INCLUDED TEXT-------------------- Security Bulletin: Tivoli Federated Identity Manager and Tivoli Federated Identity Manager Business Gateway redirect to an insufficiently validated URL (CVE-2013-5431) Flash (Alert) Document information Tivoli Federated Identity Manager SSO Software version: 6.1.1, 6.2, 6.2.1, 6.2.2 Operating system(s): AIX, HP-UX, Linux, Solaris, Windows, z/OS Reference #: 1654114 Modified date: 2013-10-28 Abstract Under certain conditions, IBM Tivoli Federated Identity Manager (TFIM)/ IBM Tivoli Federated Identity Manager Business Gateway (TFIMBG) could send a redirect to a URL provided by an external client without performing sufficient validation of the URL Content VULNERABILITY DETAILS: CVE ID: CVE-2013-5431 DESCRIPTION: Under certain conditions, Tivoli Federated Identity Manager (TFIM) and Tivoli Federated Identity Manager Business Gateway (TFIMBG) could send a redirect to a URL provided by an external client in an HTTP request without performing sufficient validation of the URL. This could allow an attacker to trick a user into communicating with a malicious site by means of a specially crafted HTTP request. The attack requires network access and some degree of specialized knowledge or techniques, no authentication is required. An exploit could impact the confidentiality of data, but the integrity and the availability of the system are not compromised. CVSS: CVSS Base Score: 4.3 CVSS Temporal Score: See http://xforce.iss.net/xforce/xfdb/87616 for the current score CVSS Environmental Score*: Undefined CVSS Vector: (AV:N/AC:M/Au:N/C:P/I:N/A:N) AFFECTED PLATFORMS: Tivoli Federated Identity Manager (TFIM): v6.1.1, 6.2.0, 6.2.1, 6.2.2 Tivoli Federated Identity Manager Business Gateway (TFIMBG): v6.1.1, 6.2.0, 6.2.1, 6.2.2 REMEDIATION: The recommended solution is to apply the fix for each named product as soon as practical. Please see below for information about the fixes available. Vendor Fix(es): Tivoli Federated Identity Manager (TFIM v6.1.1) Tivoli Federated Identity Manager (TFIM v6.2.0) Tivoli Federated Identity Manager (TFIM v6.2.1) Tivoli Federated Identity Manager (TFIM v6.2.2) Tivoli Federated Identity Manager Business Gateway (TFIMBG v6.1.1) Tivoli Federated Identity Manager Business Gateway (TFIMBG v6.2.0) Tivoli Federated Identity Manager Business Gateway (TFIMBG v6.2.1) Tivoli Federated Identity Manager Business Gateway (TFIMBG v.6.2.2) If you are unable to upgrade, contact IBM Technical Support. Workaround(s): None Mitigation(s): None REFERENCES: Complete CVSS Guide On-line Calculator V2 CVE-2013-5431 http://xforce.iss.net/xforce/xfdb/87616 RELATED INFORMATION: IBM Secure Engineering Web Portal IBM Product Security Incident Response Blog ACKNOWLEDGEMENT The vulnerability was reported to IBM by Khalilov Mukhammed from HelpAG mukhammed.khalilov@helpag.com *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 alert. Note: 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. Copyright and trademark information IBM, the IBM logo and ibm.com are trademarks of International Business Machines Corp., registered in many jurisdictions worldwide. Other product and service names might be trademarks of IBM or other companies. A current list of IBM trademarks is available on the Web at "Copyright and trademark information" at www.ibm.com/legal/copytrade.shtml. - --------------------------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). 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