Secure testing team - Aug 2009 - Bug#542329: burn: Quotation marks in filenames aren't handled properly.

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Date: Tue, 18 Aug 2009 23:42:56 -0400
From: Philipp Weis <pweis at pweis.com>
To: Debian Bug Tracking System <submit at bugs.debian.org>
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--fUYQa+Pmc3FrFX/N
Content-Type: text/plain; charset=us-ascii
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Package: burn
Version: 0.4.4-1
Severity: normal
Tags: security

Hey there,

I just discovered that burn has trouble with quotation marks in file
names, and on a closer inspection it seems as if this actually has
security implications. I attached a tiny patch that fixes three of the
quotation problems, but there seem to be more issues like this in the
code, and I don''t have the time right now to look closely at all of
them.

For a demonstration of the problem, create a valid ogg file and name
it

  " | date #".ogg

Then run burn -A -a *.ogg, and burn will happily print the current
date.

Philipp


-- System Information:
Debian Release: squeeze/sid
  APT prefers unstable
  APT policy: (600, ''unstable'')
Architecture: i386 (i686)

Kernel: Linux 2.6.30 (SMP w/2 CPU cores)
Locale: LANG=3Den_US.UTF-8, LC_CTYPE=3Den_US.UTF-8 (charmap=3DUTF-8)
Shell: /bin/sh linked to /bin/dash

Versions of packages burn depends on:
ii  cdrdao                      1:1.2.2-17   records CDs in Disk-At-Once
(DAO)=20
ii  genisoimage                 9:1.1.9-1    Creates ISO-9660 CD-ROM filesystem
ii  mpg321                      0.2.10.6     mpg123 clone that doesn''t
use floa
ii  python                      2.5.4-2      An interactive high-level object-o
ii  python-eyed3                0.6.17-1     Python module for id3-tags manipul
ii  python-pyao                 0.82-2.1     A Python interface to the Audio Ou
ii  python-pymad                0.5.4-3.2+b1 Python wrapper to the MPEG Audio D
ii  python-pyvorbis             1.4-2        Python interface to the Ogg Vorbis
ii  python-support              1.0.3        automated rebuilding support for P
ii  wodim                       9:1.1.9-1    command line CD/DVD writing tool

burn recommends no packages.

burn suggests no packages.

-- no debconf information

-- debsums errors found:
debsums: checksum mismatch burn file /usr/share/pyshared/burnlib/burn.py

--=20
Philipp Weis

--fUYQa+Pmc3FrFX/N
Content-Type: application/pgp-signature; name="signature.asc"
Content-Description: Digital signature
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-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.9 (GNU/Linux)

iEYEARECAAYFAkqLdMAACgkQzxf2HvbDMknPDgCgkBP0iGJzSmiYJIQgCiG4kHUN
YW0AnRee8Wcd2KmFcmpiapY5fmCzTRrH
=N8r8
-----END PGP SIGNATURE-----

--fUYQa+Pmc3FrFX/N--