Security Advisory SA51084 - OpenAthens SP for Java SAML Assertion Signature Validation Vulnerability

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Secunia Advisory SA51084

OpenAthens SP for Java SAML Assertion Signature Validation Vulnerability

Secunia Advisory

SA51084

Release Date

2012-10-24

Popularity

690 views

Comments

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Criticality level

Less critical

Impact

Security Bypass

Where

From remote

Authentication level

This information is available to Secunia VIM customers

Report reliability

This information is available to Secunia VIM customers

Solution Status

Vendor Patch

Systems affected

This information is available to Secunia VIM customers

Approve distribution

This information is available to Secunia VIM customers

Software:

OpenAthens SP 2.x

Secunia CVSS Score

This information is available to Secunia VIM Customers

CVE Reference(s)

CVE-2012-5353 CVSS score available to Secunia VIM customers

Description

A vulnerability has been reported in OpenAthens SP, which can be exploited by malicious people to bypass certain security restrictions.

The vulnerability is caused due to an error when validating signatures for a SAML assertion. This can be exploited to gain access to protected resources via a specially crafted XML document.

The vulnerability is reported in versions prior to 2.01.

Solution
Update to version 2.01.

Provided and/or discovered by
Juraj Somorovsky, Andreas Mayer, Jorg Schwenk, Marco Kampmann, and Meiko Jensen1 via "On Breaking SAML" paper.

Original Advisory
OpenAthens:
http://status.openathens.net/adv.php

"On Breaking SAML":
http://www.nds.rub.de/media/nds/veroeffentlichungen/2012/08/22/BreakingSAML_3.pdf

Deep Links
Links available to Secunia VIM customers

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Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com

Subject: OpenAthens SP for Java SAML Assertion Signature Validation Vulnerability

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Secunia Advisory SA51084

OpenAthens SP for Java SAML Assertion Signature Validation Vulnerability

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