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Date: Sun, 29 Jun 2014 10:12:20 +0200
From: Nico Le Moin <>
Subject: Re: [FD] Back To The Future: Unix Wildcards Gone Wild

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 <>

> On Sat, Jun 28, 2014 at 5:06 AM, fulldisclosure <
>> 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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