TMA-MSSQL2022-2.6
Ensure 'Remote Access' Server Configuration Option is set to '0'
Description
The remote access option controls the execution of local stored procedures on remote servers or remote stored procedures on local server. Functionality can be abused to launch a Denial-of-Service (DoS) attack on remote servers by off-loading query processing to a target.
How it is checked
Audit method: SQL query
sqlcmd -b -h -1 -W -Q "SET NOCOUNT ON; SELECT CASE WHEN CAST(value AS int) = 0 AND CAST(value_in_use AS int) = 0 THEN 'compliant' ELSE 'noncompliant' END FROM sys.configurations WHERE name = 'remote access';"- Expected output
compliant
How it is fixed
Fix method: Guidance or infrastructure patch
For AWS RDS Instances, please refer to the documentation for using Parameter Groups here: Working with parameter groups Otherwise, run the following T-SQL command: EXECUTE sp_configure 'show advanced options', 1; RECONFIGURE; EXECUTE sp_configure 'remote access', 0; RECONFIGURE; GO EXECUTE sp_configure 'show advanced options', 0; RECONFIGURE; Restart the Database Engine.
Properties
- Operating systems
- Any
- Tags
- access-controlmssqlsqlserver-2022
- Reference
- CIS Microsoft SQL Server 2022 Benchmark v1.3.0 - 2.6 Ensure 'Remote Access' Server Configuration Option is set to '0'
Check this host
Run this on a machine you are allowed to audit. The scan is read-only.
tmaegis scan --target mssql