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<a class="user-hover" rel="slaughterb@missouri.edu" id="email_slaughterb@missouri.edu" href="https://issues.shibboleth.net/jira/secure/ViewProfile.jspa?name=slaughterb%40missouri.edu" style="color:#326ca6;">Slaughter</a>
created <img src="https://issues.shibboleth.net/jira/images/icons/issuetypes/bug.png" height="16" width="16" border="0" align="absmiddle" alt="Bug"> <a style='color:#326ca6;text-decoration:none;' href='https://issues.shibboleth.net/jira/browse/SIDP-618'>SIDP-618</a>
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<a style='color:#326ca6;text-decoration:none;' href='https://issues.shibboleth.net/jira/browse/SIDP-618'><strong>IdP will send empty Subject:NameID in assertion</strong></a>
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<strong style="font-weight:normal;color:#505050;">Issue Type:</strong>
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<img src="https://issues.shibboleth.net/jira/images/icons/issuetypes/bug.png" height="16" width="16" border="0" align="absmiddle" alt="Bug"> Bug
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<strong style="font-weight:normal;color:#505050;">Affects Versions:</strong>
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2.4.2, 2.4.1 </td>
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<strong style="font-weight:normal;color:#505050;">Assignee:</strong>
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<a class="user-hover" rel="cantor.2@osu.edu" id="email_cantor.2@osu.edu" href="https://issues.shibboleth.net/jira/secure/ViewProfile.jspa?name=cantor.2%40osu.edu" style="color:#326ca6;">Scott Cantor</a>
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<strong style="font-weight:normal;color:#505050;">Components:</strong>
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SAML 2 </td>
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<strong style="font-weight:normal;color:#505050;">Created:</strong>
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10/Oct/14 11:45 AM
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<strong style="font-weight:normal;color:#505050;">Description:</strong>
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<p style='margin-top:0;margin-bottom:10px;'>The IdP (tested version Shibboleth IdP v2.4.1 and 2.4.2) will send an empty subject NameID value in an assertion. If received by a Shibboleth Service Provider, the shibd process will crash.</p>
<p style='margin-top:0;margin-bottom:10px;'>If an empty NameID is problematic, the IdP should return an error at the IdP and not return the user to the SP, or it should select the next option from nameIDFormatPreference if multiple are specified/available.</p>
<p style='margin-top:0;margin-bottom:10px;'>The Service Provider crashing issue has been filed as SSPCPP-632. The possibility exists that this behavior could be exploited to cause a denial of service to targeted Service Providers.</p>
<p style='margin-top:0;margin-bottom:10px;'>Steps to reproduce:<br/>
Configure static data connector with a single empty value. Feed that empty value to a persistentId AttributeDefinition with the NameFormat "urn:oasis:names:tc:SAML:2.0:nameid-format:persistent". Specify this NameFormat as preferred in nameIDFormatPreference in relying-party.xml, DefaultRelyingParty. Release the persistentId attribute to a test SP, and acccess the test SP.</p>
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<strong style="font-weight:normal;color:#505050;">Environment:</strong>
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<p style='margin-top:0;margin-bottom:10px;'>Red Hat 6, Tomcat 6.0.41, Java 8u11, IdP 2.4.1 and 2.4.2 tested</p>
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<strong style="font-weight:normal;color:#505050;">Project:</strong>
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<a style="color:#326ca6;" href="https://issues.shibboleth.net/jira/browse/SIDP">Shibboleth IdP 2 - Java</a>
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<strong style="font-weight:normal;color:#505050;">Priority:</strong>
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<img src="https://issues.shibboleth.net/jira/images/icons/priorities/major.png" height="16" width="16" border="0" align="absmiddle" alt="Major"> Major
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<strong style="font-weight:normal;color:#505050;">Reporter:</strong>
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<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 0 10px 0;width:100%;">
<a class="user-hover" rel="slaughterb@missouri.edu" id="email_slaughterb@missouri.edu" href="https://issues.shibboleth.net/jira/secure/ViewProfile.jspa?name=slaughterb%40missouri.edu" style="color:#326ca6;">Slaughter</a>
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<strong style="font-weight:normal;color:#505050;">Security Level:</strong>
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Standard (Standard bug, may impact functionality but does not represent a security vulnerability ) </td>
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