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Date: Fri, 14 Jul 2017 18:14:53 -0700
From: Seth Arnold <>
Subject: Re: CVE-2017-1000083: evince: Command injection
 vulnerability in CBT handler

On Fri, Jul 14, 2017 at 07:27:53PM -0500, Brandon Perry wrote:
> > On Jul 13, 2017, at 10:43 AM, Johannes Segitz <> wrote:
> > This can be exploited by creating a tar archive with an embedded file
> > named something
> > like this: "--checkpoint-action=exec=bash -c 'touch ~/covfefe.evince;'.jpg"
> > 
> > (Make sure evince is not sandboxed by apparmor before trying to reproduce
> > the attached POC)
> Not sure if the list ate the attachment, but I don’t see it available.
> Perhaps a link to it somewhere else would be of use?

The attachment didn't make it through to the distros list either. When I
was testing just the tar portion of this, I skipped the / character in the
filename and added a 10MB zeroed file (truncate -s 10MB huge) to make sure
the checkpoint program gets run.


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