PerfView should run the debugging application as a normal user and not as an elevated (admin) user
#135 aberto em 1 de nov. de 2016
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Description
Hello
When we run an application with PerfView (clicking on "Run a command", or by the menus "Collect" / "Run" (Alt-R), or by command line "run"), PerfView elevates itself then run the application as elevated too. That is a security threat, and it prevents debugging Window Store applications (they fail running, see https://social.msdn.microsoft.com/Forums/en-US/41170c0f-405c-45d8-abcd-b7a376c70c48/failure-starting-process-in-perview-with-windows-10-universal-application?forum=wpdevelop).
PerfView, even elevated, should run the application as the normal non-elevated user.
It is obviously feasible as said here: https://blogs.msdn.microsoft.com/winsdk/2013/06/17/launching-a-process-as-a-normal-user-from-an-elevated-user/ It is even easier in PerfView as when PerfView starts non-elevated, it knows who is the normal user and it can collect the non-elevated token and pass it to the elevated PerfView process.
Thank you.
Tested with PerfView 1.9.0.0
TEST:
- Run PerView.
- Alt-R
- Type-in command to the application.
- Click on run command.
- Check in the task manager that the application as been launched with elevated privileges (admin user).
IMPACT:
- Windows Store applications can not been profiled this way.
- That is a security threat since the application has admin rights, and usuallly it was not designed for that.
- The developper can not profile its application as a normal non-elevated user (the behavior of the application can be very different).