Re: Potential security problem with mtr

From: Viktor Fougstedt (viktorat_private)
Date: Fri Mar 03 2000 - 12:26:37 PST

  • Next message: Rogier Wolff: "mtr-0.42 is out."

    On Fri, 3 Mar 2000, LaMont Jones wrote:
    
    > > Since the saved uid survives across fork() and exec(), any buffer
    > > overrun or similar bug in mtr is just as bad as if mtr had never done
    > > the seteuid() at all.
    >
    > Saved-uid should get dropped on exec(), shouldn't it?
    >
    
    I stand corrected. Saved uid is set to the effective uid on
    exec. Makes it harder to do nasty stuff with it.
    
    
    /Viktor...
    
    --|     Viktor Fougstedt, system administrator at dtek.chalmers.se     |--
    --|                http://www.dtek.chalmers.se/~viktor/                |--
    --| ...soon we'll be sliding down the razor blade of life. /Tom Lehrer |--
    



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