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Check: SRG-APP-000141-WSR-000082

Web Server SRG: SRG-APP-000141-WSR-000082 (in versions v4 r2 through v2 r2)

Title

The web server must allow the mappings to unused and vulnerable scripts to be removed. (Cat II impact)

Discussion

Scripts allow server side processing on behalf of the hosted application user or as processes needed in the implementation of hosted applications. Removing scripts not needed for application operation or deemed vulnerable helps to secure the web server. To assure scripts are not added to the web server and run maliciously, those script mappings that are not needed or used by the web server for hosted application operation must be removed.

Check Content

Review the web server documentation and deployment configuration to determine what script mappings are available. Review the scripts used by the web server and the hosted applications. If there are script mappings in use that are not used by the web server or hosted applications for operation, this is a finding.

Fix Text

Remove script mappings that are not needed for web server and hosted application operation.

Additional Identifiers

Rule ID: SV-206381r960963_rule

Vulnerability ID: V-206381

Group Title: SRG-APP-000141

Expert Comments

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CCIs

CCIs tied to check.

Number	Definition
CCI-000381	Configure the system to provide only organization-defined mission essential capabilities.

Controls

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

Number	Title
CM-7	Least Functionality