The cross db ownership chaining option controls cross-database ownership chaining across all databases at the instance (or server) level.
When enabled, this option allows a member of the db_owner role in a database to gain access to objects owned by a login in any other database, causing an unnecessary information disclosure. When required, cross-database ownership chaining should only be enabled for the specific databases requiring it instead of at the instance level for all databases by using the ALTER DATABASE
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This control is used in the following benchmarks:
- Microsoft SQL Server Database 2014 CIS V1.5.0 - paragraph 2.3
- Microsoft SQL Server Database 2016 CIS V1.3.0 - paragraph 2.3
- Microsoft SQL Server Database 2017 CIS V1.2.0 - paragraph 2.3
- Microsoft SQL Server Database 2019 CIS V1.2.0 - paragraph 2.3
To deliberately skip this control (e.g. meaning don’t use Puppet to enforce this setting), we provide you with three ways:
mssql_secured::controls::cross_db_ownership_chaining_server_configuration_option_is_set_to0: skip to your hiera data. This will skip this control for ALL databases.
mssql_secured::controls::cross_db_ownership_chaining_server_configuration_option_is_set_to0::dbname: skip to your hiera data. This will skip this control for specified database only.
3) Add an entry with the content
cross_db_ownership_chaining_server_configuration_option_is_set_to0 to the array value
mssql_secured::skip_list in your hiera data.
|Attribute Name||Short Description|
|title||The database to apply the control to.|
The database to apply the control to.
All controls need an database to apply the control to. Here is a simple example:
In this example, the string DB is the database to apply the control to.