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XCCDF
Microsoft Azure SQL Database Security Technical Implementation Guide
SRG-APP-000328-DB-000301
Azure SQL Database must enforce discretionary access control policies, as defined by the data owner, over defined subjects and objects.
Azure SQL Database must enforce discretionary access control policies, as defined by the data owner, over defined subjects and objects.
An XCCDF Rule
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Azure SQL Database must enforce discretionary access control policies, as defined by the data owner, over defined subjects and objects.
Medium Severity
<VulnDiscussion>Discretionary Access Control (DAC) is based on the notion that individual users are "owners" of objects and therefore have discretion over who should be authorized to access the object and in which mode (e.g., read, write, execute). Ownership is usually acquired implicitly when creating the object or by explicit ownership assignment. DAC allows the owner to determine who will have access to objects they control and the permissions related to that access. An example of DAC includes user-controlled table permissions. When DAC policies are implemented, subjects are not constrained with regard to what actions they can take with information for which they have already been granted access. Thus, subjects that have been granted access to information are not prevented from passing (i.e., the subjects have the discretion to pass) the information to other subjects or objects. A subject that is constrained in its operation by Mandatory Access Control policies is still able to operate under the less rigorous constraints of this requirement. Thus, while Mandatory Access Control imposes constraints preventing a subject from passing information to another subject operating at a different sensitivity level, this requirement permits the subject to pass the information to any subject at the same sensitivity level. The policy is bounded by the information system boundary. Once the information is passed outside of the control of the information system, additional means may be required to ensure the constraints remain in effect. While the older, more traditional definitions of DCA require identity-based access control, that limitation is not required for this use of discretionary access control.</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>