SQL Server Mirroring endpoint must utilize AES encryption.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-79323	SQL6-D0-016500	SV-94029r1_rule		Medium

Description
Information can be either unintentionally or maliciously disclosed or modified during preparation for transmission, including, for example, during aggregation, at protocol transformation points, and during packing/unpacking. These unauthorized disclosures or modifications compromise the confidentiality or integrity of the information. Use of this requirement will be limited to situations where the data owner has a strict requirement for ensuring data integrity and confidentiality is maintained at every step of the data transfer and handling process. SQL Mirroring endpoints support different encryption algorithms, including no-encryption. Using a weak encryption algorithm or plaintext in communication protocols can lead to data loss, data manipulation and/or connection hijacking.

Description

Information can be either unintentionally or maliciously disclosed or modified during preparation for transmission, including, for example, during aggregation, at protocol transformation points, and during packing/unpacking. These unauthorized disclosures or modifications compromise the confidentiality or integrity of the information. Use of this requirement will be limited to situations where the data owner has a strict requirement for ensuring data integrity and confidentiality is maintained at every step of the data transfer and handling process. SQL Mirroring endpoints support different encryption algorithms, including no-encryption. Using a weak encryption algorithm or plaintext in communication protocols can lead to data loss, data manipulation and/or connection hijacking.

STIG	Date
MS SQL Server 2016 Instance Security Technical Implementation Guide	2018-03-09

Details

Check Text ( C-78915r1_chk )
If the data owner does not have a strict requirement for ensuring data integrity and confidentiality is maintained at every step of the data transfer and handling process, and the requirement is documented and authorized, this is not a finding. If Database Mirroring is in use, run the following to check for encrypted transmissions: SELECT name, type_desc, encryption_algorithm_desc FROM sys.database_mirroring_endpoints WHERE encryption_algorithm != 2 If any records are returned, this is a finding.

Check Text ( C-78915r1_chk )

If the data owner does not have a strict requirement for ensuring data integrity and confidentiality is maintained at every step of the data transfer and handling process, and the requirement is documented and authorized, this is not a finding.

If Database Mirroring is in use, run the following to check for encrypted transmissions:

SELECT name, type_desc, encryption_algorithm_desc
FROM sys.database_mirroring_endpoints
WHERE encryption_algorithm != 2

If any records are returned, this is a finding.

Fix Text (F-86075r1_fix)
Run the following to enable encryption on the mirroring endpoint: ALTER ENDPOINT FOR DATABASE_MIRRORING (ENCRYPTION = REQUIRED ALGORITHM AES)