Incidents
Suspicious files in /tmp Jun 16 2007 06:13PM
kladizkov.thehome (kladizkov thehome gmail com) (3 replies)
Re: Suspicious files in /tmp Jun 18 2007 05:12PM
Jamie Riden (jamie riden gmail com)
Re: Suspicious files in /tmp Jun 18 2007 05:08PM
Jamie Riden (jamie riden gmail com)
Re: Suspicious files in /tmp Jun 18 2007 04:47PM
Matt D. Harris (mdh solitox net) (5 replies)
Re: Suspicious files in /tmp Jun 21 2007 11:38AM
Remko Lodder (remko elvandar org) (1 replies)
Re: Suspicious files in /tmp Jun 21 2007 08:05PM
Cy Schubert (Cy Schubert komquats com)
In message <46277.194.74.82.3.1182425927.squirrel (at) galain.elvandar (dot) org [email concealed]>,
"Remko
Lodder" writes:
> Hello Matt,
>
> Indeed FreeBSD doesn't respect the cases where a shell script is on a
> noexec mounted device; but where /bin/sh is still executable (/bin/sh
> /tmp/script for example). From the Manual page this should be clear that
> it is not designed as a security measure but to aid other activities; it
> is unlikely that we (see the archives for more information, this had been
> discussed a couple of times) will change this behaviour (since the design
> isn't for
> security):
>
> mount(8):
>
> noexec Do not allow execution of any binaries on the mounted
> file system. This option is useful for a server that
> has
> file systems containing binaries for architectures other
> than its own. Note: This option was not designed as a
> security feature and no guarantee is made that it will
> prevent malicious code execution; for example, it is
> still possible to execute scripts which reside on a
> noexec mounted partition.
>
>
> Hope this helps aiding you a bit with the information we can deliver.

All that is needed to execute a shell script is read access.

--
Cheers,
Cy Schubert <Cy.Schubert (at) komquats (dot) com [email concealed]>
FreeBSD UNIX: <cy (at) FreeBSD (dot) org [email concealed]> Web: http://www.FreeBSD.org

e**(i*pi)+1=0

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[ reply ]
Re: Suspicious files in /tmp Jun 19 2007 01:33AM
Robin Sheat (robin kallisti net nz) (1 replies)
Re: Suspicious files in /tmp Jun 20 2007 04:47PM
Valdis Kletnieks vt edu (1 replies)
RE: Suspicious files in /tmp Jun 20 2007 11:06PM
Thyago Braga da Silva (tbraga gasecurity com br) (1 replies)
RE: Suspicious files in /tmp Jun 21 2007 05:09PM
kaneda bohater net (1 replies)
Re: Suspicious files in /tmp Jun 22 2007 12:19AM
Eduardo Tongson (propolice gmail com)
Re: Suspicious files in /tmp Jun 19 2007 12:23AM
Rainer Duffner (rainer ultra-secure de)
Re: Suspicious files in /tmp Jun 19 2007 12:17AM
Rainer Duffner (rainer ultra-secure de)
Re: Suspicious files in /tmp Jun 18 2007 09:32PM
Michal Zalewski (lcamtuf dione ids pl) (1 replies)
Re: Suspicious files in /tmp Jun 19 2007 12:37AM
Matt D. Harris (mdh solitox net)


 

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