The application server must behave in a predictable and documented manner that reflects organizational and system objectives when invalid inputs are received.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-204821	SRG-APP-000447-AS-000273	SV-204821r508029_rule		Medium

Description
Invalid user input occurs when a user inserts data or characters into an applications data entry field and the application is unprepared to process that data. This results in unanticipated application behavior potentially leading to an application or information system compromise. Invalid user input is one of the primary methods employed when attempting to compromise an application. Application servers must ensure their management interfaces perform data input validation checks. When invalid data is entered, the application server must behave in a predictable and documented manner that reflects organizational and system objectives when invalid inputs are received. An example of a predictable behavior is trapping the data, logging the invalid data for forensic analysis if necessary, and continuing operation in a safe and secure manner.

Description

Invalid user input occurs when a user inserts data or characters into an applications data entry field and the application is unprepared to process that data. This results in unanticipated application behavior potentially leading to an application or information system compromise. Invalid user input is one of the primary methods employed when attempting to compromise an application. Application servers must ensure their management interfaces perform data input validation checks. When invalid data is entered, the application server must behave in a predictable and documented manner that reflects organizational and system objectives when invalid inputs are received. An example of a predictable behavior is trapping the data, logging the invalid data for forensic analysis if necessary, and continuing operation in a safe and secure manner.

STIG	Date
Application Server Security Requirements Guide	2021-12-10

Details

Check Text ( C-4941r283104_chk )
Review the application server configuration to determine if the management interface behaves in a predictable and documented manner that reflects organizational and system objectives when invalid inputs are received. If the application server does not meet this requirement, this is a finding.

Fix Text (F-4941r283105_fix)
Configure the application server management interface to behave in a predictable and documented manner that reflects organizational and system objectives when invalid inputs are received.