Re: Back To The Future: Unix Wildcards Gone Wild

[Nico Le Moin <nicolemoin01 () gmail com>]

This happens on f5 appliances: the tomcat user can upload files to
/shared/images , then this root process periodically scans the directory
looking for firmware. Shell expansion causes privesc here :p

Also, there are no csrf tokens in the firmware upload form.

vdbs can go wild now :p



On Sat, Jun 28, 2014 at 11:29 PM, Daniel Miller <bonsaiviking () gmail com>
wrote:

> On Sat, Jun 28, 2014 at 5:06 AM, fulldisclosure <
> fulldisclosure () evolution-hosting eu> wrote:
>
> > to be honest, bash shouldn't expand * to "file1 file2 file3 -rf..." it
> > should do it to "  'file1' 'file2' 'file3' '\-rf'..." instead, with all
> > meta chars escaped properly.
>
> But this breaks my directory metadata scheme: important directories contain
> a file named "-i", unimportant ones have "-f".
>
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