[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: documentation bug (uid resetting in posix mode)
From: |
Chet Ramey |
Subject: |
Re: documentation bug (uid resetting in posix mode) |
Date: |
Tue, 30 Oct 2012 14:10:00 -0400 |
User-agent: |
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.7; rv:15.0) Gecko/20120907 Thunderbird/15.0.1 |
On 10/30/12 1:53 PM, Stefano Lattarini wrote:
> On 10/30/2012 06:28 PM, Andreas Schwab wrote:
>> Stefano Lattarini <stefano.lattarini@gmail.com> writes:
>>
>>> $ ./system-suid
>>> [8204] ruid = 1000, euid = 0, suid = 0
>>
>> Looks like your /bin/sh is broken.
>>
> How "broken" exactly? Honest question.
It's not unheard of for vendors to make their own changes and ship the
result. This has happened a number of times in the past.
>
> Anyway, my /bin/sh is bash ...
>
> $ ls -l /bin/sh
> lrwxrwxrwx 1 root root 4 Jul 8 2010 /bin/sh -> bash
>
> $ /bin/sh --version
> GNU bash, version 4.2.20(1)-release (i486-pc-linux-gnu)
> Copyright (C) 2011 Free Software Foundation, Inc.
> License GPLv3+: GNU GPL version 3 or later
> <http://gnu.org/licenses/gpl.html>
>
> This is free software; you are free to change and redistribute it.
> There is NO WARRANTY, to the extent permitted by law.
>
> I'm on Debian Unstable BTW (sorry for not specifying that earlier).
You should open a bug report with Debian. This behavior has been noted
previously; look at one of the footnotes to answer 2 in
http://stackoverflow.com/questions/556194/calling-a-script-from-a-setuid-root-c-program-script-does-not-run-as-root
for example.
Chet
--
``The lyf so short, the craft so long to lerne.'' - Chaucer
``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, ITS, CWRU chet@case.edu http://cnswww.cns.cwru.edu/~chet/
- documentation bug (uid resetting in posix mode), Stefano Lattarini, 2012/10/30
- Re: documentation bug (uid resetting in posix mode), Andreas Schwab, 2012/10/30
- Re: documentation bug (uid resetting in posix mode), Stefano Lattarini, 2012/10/30
- Re: documentation bug (uid resetting in posix mode), Bob Proulx, 2012/10/30
- Re: documentation bug (uid resetting in posix mode), Chet Ramey, 2012/10/30
- Re: documentation bug (uid resetting in posix mode), Stefano Lattarini, 2012/10/30
- Re: documentation bug (uid resetting in posix mode), Andreas Schwab, 2012/10/30
- Re: documentation bug (uid resetting in posix mode), Bob Proulx, 2012/10/30
- Re: documentation bug (uid resetting in posix mode), Stefano Lattarini, 2012/10/31
- Re: documentation bug (uid resetting in posix mode), Bob Proulx, 2012/10/30
- Re: documentation bug (uid resetting in posix mode), Stefano Lattarini, 2012/10/31