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Re: breaking out of a chroot
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From: |
Neal H. Walfield |
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Subject: |
Re: breaking out of a chroot |
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Date: |
Wed, 18 May 2005 11:25:29 +0100 |
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User-agent: |
Wanderlust/2.10.1 (Watching The Wheels) SEMI/1.14.6 (Maruoka) FLIM/1.14.6 (Marutamachi) APEL/10.6 Emacs/21.3 (i386-pc-linux-gnu) MULE/5.0 (SAKAKI) |
At Wed, 18 May 2005 00:23:11 -0400,
Alfred M. Szmidt wrote:
>
> Breaking out of a chroot on the Hurd is trivial: just use a passive
> translator.
>
> I couldn't reproduce this...
>
> Script started on Wed May 18 06:19:32 2005
> ams@Catoblepas:~$ cd chroot
> ams@Catoblepas:~/chroot$ ids
> effective uids: 1002(ams)
> effective gids: 1002(ams)
> available uids: 1002(ams) 1002(ams)
> available gids: 1002(ams) 1002(ams) 1002(ams)
> ams@Catoblepas:~/chroot$ chroot .
> bash-3.00$ showtrans root
> bash-3.00$ settrans -p root /hurd/firmlink /
> bash-3.00$ showtrans root
> /hurd/firmlink /
> bash-3.00$ cd /
This bit is wrong. root now gives access to the real root (or at
least the root in the file system's name space).