The designer shall use the NotOnOrAfter property when using the <SubjectConfirmation> element in a SAML assertion.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-22028	APP3910	SV-25354r1_rule	DCSQ-1	High

Description
When a SAML assertion is used with a <SubjectConfirmation> element, a begin and end time for the <SubjectConfirmation> should be set to prevent reuse of the message at a later time. Not setting a specific time period for the <SubjectConfirmation>, may grant immediate access to an attacker and results in an immediate loss of confidentiality. Any vulnerability associated with a DoD Information system or system enclave, the exploitation of which, by a risk factor, will directly and immediately result in loss of Confidentiality, Availability or Integrity of the system associated data.

Description

When a SAML assertion is used with a <SubjectConfirmation> element, a begin and end time for the <SubjectConfirmation> should be set to prevent reuse of the message at a later time. Not setting a specific time period for the <SubjectConfirmation>, may grant immediate access to an attacker and results in an immediate loss of confidentiality. Any vulnerability associated with a DoD Information system or system enclave, the exploitation of which, by a risk factor, will directly and immediately result in loss of Confidentiality, Availability or Integrity of the system associated data.

STIG	Date
Application Security and Development STIG	2014-04-03

Details

Check Text ( C-27024r2_chk )
Examine the contents of a SOAP message using the SubjectConfirmation element. All messages should contain the NotOnOrAfter element. This can be accomplished with a protocol analyzer like Wireshark. 1) If SOAP messages do not contain NotOnOrAfter elements, it is a finding

Fix Text (F-23093r2_fix)
Use the NotOnOrAfter condition when using the SubjectConfirmation element in a SAML assertion.