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Prevent insiders with *READ or *USE access from circumventing object authority on IBM i

Carol Woodbury EXPERT RESPONSE FROM: Carol Woodbury

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QUESTION POSED ON: 01 December 2008
I have a situation where the program and data libraries in production have been secured by an authorization list. The application developer community has *READ or *USE access to program libraries and data via this authorization list.

However, the command line is not restricted to these individuals. Is there any risk here? Is it possible for a creative or smart individual to circumvent object authority and update production data or programs?


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You cannot circumvent object authority. Regardless of the interface used to access an object (in this case data in a file), object authority is always in effect -- it is checked by SLIC (system licensed internal code.)

The only way users would be able to circumvent the object authority is if they have *ALLOBJ special authority or if they are able to gain more authority than they currently have. For example, a user would be able to gain more authority by calling a program that adopts a powerful user such as QSECOFR and puts up a command, or if they had *USE authority to a powerful profile and could swap to it. Default authority to user profiles is *PUBLIC *EXCLUDE so this would have had to been a conscious choice to open up access to the profile.

In addition, you have to have *ALLOBJ authority yourself to be able to create a program that adopts QSECOFR or some other *ALLOBJ profile.


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