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    SubjectRe: Chroot bug
    Adrian Bunk napsal(a):
    > On Wed, Sep 26, 2007 at 12:40:27AM +0930, David Newall wrote:
    >> Miloslav Semler pointed out that a root process can chdir("..") out of its
    >> chroot. Although this is documented in the man page, it conflicts with the
    >> essential function, which is to change the root directory of the process.
    >> In addition to any creative uses, for example Philipp Marek's loading
    >> dynamic libraries, it seems clear that the prime purpose of chroot is to
    >> aid security. Being able to cd your way out is handy for the bad guys, but
    >> the good guys don't need it; there are a thousand better, safer solutions.
    >> ...
    > The bad guys most likely also now other tricks to escape the chroot.
    > If you are root in the chroot you can e.g. mount the partition with the
    > root filesystem inside the chroot.
    > If a bad guy becomes root inside a chroot it's game over.
    but why there keep 1000001th. It is same as:
    There is milion ways howto dos your system.. Then we needn't repair bugs...
    > cu
    > Adrian

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