Security Bulletin: Tivoli Federated Identity Manager and Tivoli Federated Identity Manager Business Gateway redirect to an insufficiently validated URL (CVE-2013-5431)

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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.


Cross reference information
Segment Product Component Platform Version Edition
Security Tivoli Federated Identity Manager Business Gateway AIX, HP-UX, Linux, Solaris, Windows, z/OS 6.1.1, 6.2, 6.2.1, 6.2.2

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Document information


More support for:

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

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