Title

TSOAUTH resources must be restricted to authorized users. (Cat II impact)

Discussion

The TSOAUTH resource class controls sensitive privileges, such as OPER, ACCOUNT, MOUNT, TESTAUTH, CONSOLE, and PARMLIB. Several of these privileges offer the ability, or provide a facility, to modify sensitive operating system resources. Failure to properly control and restrict access to these privileges may result in the compromise of the operating system environment, ACP, and customer data.

Check Content

Refer to the following report produced by the Data Set and Resource Data Collection: - SENSITVE.RPT(ZTSO0030) Automated Analysis Refer to the following report produced by the Data Set and Resource Data Collection: - PDI(ZTSO0030) Ensure that all TSOAUTH resources and/or generic equivalent are properly protected according to the requirements specified. If the following guidance is true, this is not a finding. ___ The ACCT authorization is restricted to security personnel. ___ The CONSOLE authorization is restricted to authorized systems personnel (e.g., systems programming personnel, operations staff, etc.) and READ access may be given to all user when SDSF in install at the IAOs discretion. ___ The MOUNT authorization is restricted to DASD batch users only. ___ The OPER authorization is restricted to authorized systems personnel (e.g., systems programming personnel, operations staff, etc.). ___ The PARMLIB authorization is restricted to only z/OS systems programming personnel and READ access may be given to auditors. ___ The TESTAUTH authorization is restricted to only z/OS systems programming personnel.

Fix Text

Configure the TSOAUTH resource class to control sensitive TSO/E commands. (Note: The resource type, resources, and/or resource prefixes identified below are examples of a possible installation. The actual resource type, resources, and/or resource prefixes are determined when the product is actually installed on a system through the product’s installation guide and can be site specific.) Below is listed the access requirements for TSOAUTH resources. Ensure the guidelines for the resources and/or generic equivalent are followed. The ACCT authorization is restricted to security personnel. The CONSOLE authorization is restricted to authorized systems personnel (e.g., systems programming personnel, operations staff, etc.) and READ access may be given to all user when SDSF in install at the IAOs discretion. The MOUNT authorization is restricted to DASD batch users only. The OPER authorization is restricted to authorized systems personnel (e.g., systems programming personnel, operations staff, etc.). The PARMLIB authorization is restricted to only z/OS systems programming personnel and READ access may be given to audit users. The TESTAUTH authorization is restricted to only z/OS systems programming personnel.

Additional Identifiers

Rule ID: SV-297r4_rule

Vulnerability ID: V-297

Group Title: ZTSO0030

Expert Comments

CCIs tied to check.

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