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TITLE:
IBM Tivoli Federated Identity Manager SAML Signature Validation
Security Bypass

SECUNIA ADVISORY ID:
SA47218

VERIFY ADVISORY:
Secunia.com
https://secunia.com/advisories/47218/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=47218

RELEASE DATE:
2011-12-14

DISCUSS ADVISORY:
https://secunia.com/advisories/47218/#comments

AVAILABLE ON SITE AND IN CUSTOMER AREA:
 * Last Update
 * Popularity
 * Comments
 * Criticality Level
 * Impact
 * Where
 * Solution Status
 * Operating System / Software
 * CVE Reference(s)

https://secunia.com/advisories/47218/

ONLY AVAILABLE IN CUSTOMER AREA:
 * Authentication Level
 * Report Reliability
 * Secunia PoC
 * Secunia Analysis
 * Systems Affected
 * Approve Distribution
 * Remediation Status
 * Secunia CVSS Score
 * CVSS

https://ca.secunia.com/?page=viewadvisory&vuln_id=47218

ONLY AVAILABLE WITH SECUNIA CSI AND SECUNIA PSI:
 * AUTOMATED SCANNING

https://secunia.com/vulnerability_scanning/personal/
https://secunia.com/vulnerability_scanning/corporate/wsus_sccm_3rd_third_party_patching/

DESCRIPTION:
A vulnerability has been reported in IBM Tivoli Federated Identity
Manager and IBM Tivoli Federated Identity Manager Business Gateway,
which can be exploited by malicious people to bypass certain security
restrictions.

The vulnerability is caused due to an error when validating SAML
signatures and can be exploited to bypass the signature validation
mechanism via a non-conforming SAML signature.

Successful exploitation requires the use of SAML based protocols
(SAML 1.0, 1.1, or 2.0) or Security Token Service modules.

The vulnerability is reported in versions 6.1.1, 6.2.0, and 6.2.1.

SOLUTION:
Update to version 6.1.1 Interim Fix 12, 6.2.0 Interim Fix 10, or
6.2.1 Fix Pack 2.

PROVIDED AND/OR DISCOVERED BY:
Reported by the vendor.

ORIGINAL ADVISORY:
IBM (IV10793, IV10801, IV10813):
https://www.ibm.com/support/docview.wss?uid=swg21575309
https://www.ibm.com/support/docview.wss?uid=swg24031351
https://www.ibm.com/support/docview.wss?uid=swg24031348
https://www.ibm.com/support/docview.wss?uid=swg24029500

IBM X-Force:
https://xforce.iss.net/xforce/xfdb/71686

OTHER REFERENCES:
Further details available in Customer Area:
https://secunia.com/vulnerability_intelligence/

DEEP LINKS:
Further details available in Customer Area:
https://secunia.com/vulnerability_intelligence/

EXTENDED DESCRIPTION:
Further details available in Customer Area:
https://secunia.com/vulnerability_intelligence/

EXTENDED SOLUTION:
Further details available in Customer Area:
https://secunia.com/vulnerability_intelligence/

EXPLOIT:
Further details available in Customer Area:
https://secunia.com/vulnerability_intelligence/

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About:
This Advisory was delivered by Secunia as a free service to help
private users keeping their systems up to date against the latest
vulnerabilities.

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