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<p class="MsoNormal"><span style="font-size:11.0pt">Good morning,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">We had a security group testing a SAML enabled application, and due to the authentication being run by our IDP, it got scanned as well. Most of the report elements were considered low, however I wanted to
check in to see if we should be doing anything to improve our posture. The first one is the only one classified as medium so I’ll start with that one.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<ol style="margin-top:0in" start="1" type="1">
<li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level1 lfo1"><span style="font-size:11.0pt">Session fixation – Server accepts fixed Session ID in cookie == I believe this is a component of SSO and that the idp.session.consistentAddress = true
offers the mitigation. <o:p></o:p></span></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level1 lfo1"><span style="font-size:11.0pt">Browser response caching – Update Cache-Control to include “no-store, no-cache”, Expires to equal 0, and Pragma to include “no-cache” == My guess is
that there isn’t a problem with adding these headers, I believe by default it just has “no-cache” on the Cache-Control<o:p></o:p></span></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level1 lfo1"><span style="font-size:11.0pt">Document Encoding – Explicitly set document encoding to UTF-8 == I hadn’t heard of this one, any input on this?<o:p></o:p></span></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level1 lfo1"><span style="font-size:11.0pt">Disable TRACE == Any problem with doing this?<o:p></o:p></span></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level1 lfo1"><span style="font-size:11.0pt">Add HttpOnly in the response header == If Javascript requires access to the cookie, then this will break things, not sure if it does.<o:p></o:p></span></li></ol>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">Thanks for any input<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">Jeffrey C.<o:p></o:p></span></p>
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