Re: DSA-3708-1 mat -- security update (What are MAT users to do)?

[Stephen Dowdy <sdowdy@ucar.edu>]

> On Sun, Nov 13, 2016 at 5:47 AM, intrigeri <intrigeri@debian.org> wrote:
> Robert Haist:
> > For PDFs you can use exiftool from the libimage-exiftool-perl to remove
> > metadata:
> >       exiftool -all= example.pdf
> > This works for me.
>
> Does this address the problem (metadata in embedded images) that
> triggered us from removing this functionality from MAT?

Assuming the documentation is correct, the manpage for exiftool states:

>            3) Changes to PDF files are reversible because the original information is never actually deleted from the file.  >               So ExifTool alone may not be used to securely edit metadata in PDF files.

that sounds like a "NO".  :-(

--stephen

--

Stephen Dowdy  -  Systems Administrator  -  NCAR/RAL
303.497.2869   -  sdowdy@ucar.edu        -  http://www.ral.ucar.edu/~sdowdy/