Messages in this thread | | | Date | Wed, 19 Sep 2007 10:40:18 +0100 | From | Alan Cox <> | Subject | Re: sys_chroot+sys_fchdir Fix |
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On Wed, 19 Sep 2007 09:19:50 +0200 majkls <majkls@prepere.com> wrote:
> Hello, > here is an fix to an exploit (obtained somewhere in internet). This > exploit can workaround chroot with CAP_SYS_CHROOT. It is also possible > (with sufficient filedescriptor (if there is na directory fd opened in > root) workaround chroot with sys_fchdir. This patch fixes it.
If you have the ability to use chroot() you are root. If you are root you can walk happily out of any chroot by a thousand other means.
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