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Check: SRG-APP-000172-WSR-000104

Web Server SRG: SRG-APP-000172-WSR-000104 (in versions v4 r2 through v2 r2)

Title

The web server must encrypt passwords during transmission. (Cat II impact)

Discussion

Data used to authenticate, especially passwords, needs to be protected at all times, and encryption is the standard method for protecting authentication data during transmission. Data used to authenticate can be passed to and from the web server for many reasons. Examples include data passed from a user to the web server through an HTTPS connection for authentication, the web server authenticating to a backend database for data retrieval and posting, and the web server authenticating to a clustered web server manager for an update.

Check Content

Review the web server documentation and deployed configuration to determine whether passwords are being passed to or from the web server. If the transmission of passwords is not encrypted, this is a finding.

Fix Text

Configure the web server to encrypt the transmission passwords.

Additional Identifiers

Rule ID: SV-206387r961029_rule

Vulnerability ID: V-206387

Group Title: SRG-APP-000172

Expert Comments

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CCIs

CCIs tied to check.

Number	Definition
CCI-000197	For password-based authentication, transmit passwords only over cryptographically-protected channels.

Controls

Controls tied to check. These are derived from the CCIs shown above.

Number	Title
IA-5(1)	Password-based Authentication