The CA VM:Secure LOGONBY command must be restricted to system administrators.

From IBM z/VM Using CA VM:Secure Security Technical Implementation Guide

Associated with: CCI-002233

SV-93637r1_rule The CA VM:Secure LOGONBY command must be restricted to system administrators.

Vulnerability discussion

In certain situations, software applications/programs need to execute with elevated privileges to perform required functions. However, if the privileges required for execution are at a higher level than the privileges assigned to organizational users invoking such applications/programs, those users are indirectly provided with greater privileges than assigned by the organizations.The LOGONBY statement designates up to eight user IDs that can use their own passwords to log on to and use the virtual machine.

Check content

Examine the CA VM:Secure Rules facility for “LOGONBY” rules. If the “LOGONBY” rules specifies users that are not system administrators, this is a finding.

Fix text

Assure that any “LOGONBY” rules in the CA VM:Secure Rules Facility only specifies users who are system administrators.

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