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Ensure 'external scripts enabled' Database Flag for Cloud SQL SQL Server Instance Is Set to 'off'
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基于 SOC 职业分类
| name | cis-gcp-foundations-6.3.1 |
| description | Ensure 'external scripts enabled' Database Flag for Cloud SQL SQL Server Instance Is Set to 'off' |
| category | cis-gcp-foundations |
| version | 4.0.0 |
| author | cyberstrike-official |
| tags | ["cis","gcp","cloud-sql","sql-server"] |
| cis_id | 6.3.1 |
| cis_benchmark | CIS Google Cloud Platform Foundation Benchmark v4.0.0 |
| tech_stack | ["gcp"] |
| cwe_ids | [] |
| chains_with | [] |
| prerequisites | [] |
| severity_boost | {} |
It is recommended to set external scripts enabled database flag for Cloud SQL SQL Server instance to off.
external scripts enabled enable the execution of scripts with certain remote language extensions. This property is OFF by default. When Advanced Analytics Services is installed, setup can optionally set this property to true. As the External Scripts Enabled feature allows scripts external to SQL such as files located in an R library to be executed, which could adversely affect the security of the system, hence this should be disabled. This recommendation is applicable to SQL Server database instances.
Setting custom flags via command line on certain instances will cause all omitted flags to be reset to defaults. This may cause you to lose custom flags and could result in unforeseen complications or instance restarts. Because of this, it is recommended you apply these flags changes during a period of low usage.
Instance Overview page.external scripts enabled that has been set is listed under the Database flags section.off for every Cloud SQL SQL Server database instance:gcloud sql instances describe <INSTANCE_NAME> --format=json | jq '.settings.databaseFlags[] | select(.name=="external scripts enabled")|.value'
In the output, database flags are listed under the settings as the collection databaseFlags.
Edit.FlagsAdd item, choose the flag external scripts enabled from the drop-down menu, and set its value to off.Save to save your changes.Flags on the Overview page.external scripts enabled database flag for every Cloud SQL SQL Server database instance using the below command:gcloud sql instances patch <INSTANCE_NAME> --database-flags "external scripts enabled"=off
Note: This command will overwrite all database flags previously set. To keep those and add new ones, include the values for all flags you want set on the instance; any flag not specifically included is set to its default value. For flags that do not take a value, specify the flag name followed by an equals sign ("=").
By default external scripts enabled is off.
WARNING: This patch modifies database flag values, which may require your instance to be restarted. Check the list of supported flags - https://cloud.google.com/sql/docs/sqlserver/flags - to see if your instance will be restarted when this patch is submitted.
Note: some database flag settings can affect instance availability or stability, and remove the instance from the Cloud SQL SLA. For information about these flags, see Operational Guidelines.
Note: Configuring the above flag restarts the Cloud SQL instance.
| Controls Version | Control | IG 1 | IG 2 | IG 3 |
|---|---|---|---|---|
| v8 | 2.7 Allowlist Authorized Scripts | X | ||
| v7 | 2.9 Implement Application Whitelisting of Scripts | X |