V-214045
MS SQL Server 2016 Instance Security Technical Implementation Guide
Title
When using command-line tools such as SQLCMD in a mixed-mode authentication environment, users must use a logon method that does not expose the password.
Description
<VulnDiscussion>To prevent the compromise of authentication information, such as passwords and PINs, during the authentication process, the feedback from the information system must not provide any information that would allow an unauthorized user to compromise the authentication mechanism. Obfuscation of user-provided information when typed into the system is a method used in addressing this risk. For example, displaying asterisks when a user types in a password or PIN, is an example of obscu...
Fix Text (Documentation Requirement)
Where possible, change the login mode to Windows-only: USE [master] GO EXEC xp_instance_regwrite N'HKEY_LOCAL_MACHINE', N'Software\Microsoft\MSSQLServer\MSSQLServer', N'LoginMode', REG_DWORD, 1; GO If mixed-mode authentication is necessary, then for SQLCMD, which cannot be configured not to accept a plain-text password when mixed-mode authentication is enabled, and any other essential tool with the same limitation: 1) Document the need for it, who uses it, and any relevant mitigations, and obtain AO approval. 2) Train all users of the tool in the importance of not using the plain-text password option and in how to keep the password hidden.