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    SubjectRe: [RFC][PATCH] scripts with stdin replaced
    Ralf Baechle <> said:
    > On Thu, Jul 08, 1999 at 09:02:09PM -0400, Horst von Brand wrote:


    > > I don't want to trust an all-capable Perl interpreter. Not on a system that
    > > is important/critical enough to be secured by capabilitites. A clean
    > > solution is given if the script carries capabilities, the kernel notes this
    > > and invokes the interpreter with the capabilities the filesystem grants. In
    > > this case it is useless to trick the interpreter.

    > As things are right now you can't do this or you'll end up with the same
    > security problem as for example SUID scripts on SunOS 4 had.

    I know.

    > To make things work as you want them a filedescriptor to the SUID script
    > would have to be passed to the interpreter by binfmt_skript and every
    > interpreter would have to be changed to take advantage of that. Otherwise
    > there is a security hole ...

    Horst von Brand
    Casilla 9G, Viña del Mar, Chile +56 32 672616

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