AOH :: HP Unsorted I :: TB12528.HTM

id3lib: Insecure temporary file creation



id3lib: Insecure temporary file creation
id3lib: Insecure temporary file creation



This is an OpenPGP/MIME signed message (RFC 2440 and 3156)
--------------enig5508077C419585E336A1B3A5
Content-Type: text/plain; charset=ISO-8859-15
Content-Transfer-Encoding: quoted-printable

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Gentoo Linux Security Advisory                           GLSA 200709-08
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
http://security.gentoo.org/ 
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

  Severity: Normal
     Title: id3lib: Insecure temporary file creation
      Date: September 15, 2007
      Bugs: #189610
        ID: 200709-08

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

Synopsis
=======
A vulnerability has been discovered in id3lib allowing local users to
overwrite arbitrary files via a symlink attack.

Background
=========
id3lib is an open-source, cross-platform software development library
for reading, writing, and manipulating ID3v1 and ID3v2 tags.

Affected packages
================
    -------------------------------------------------------------------
     Package            /  Vulnerable  /                    Unaffected
    -------------------------------------------------------------------
  1  media-libs/id3lib     < 3.8.3-r6                      >= 3.8.3-r6

Description
==========
Nikolaus Schulz discovered that the function RenderV2ToFile() in file
src/tag_file.cpp creates temporary files in an insecure manner.

Impact
=====
A local attacker could exploit this vulnerability via a symlink attack
to overwrite arbitrary files.

Workaround
=========
There is no known workaround at this time.

Resolution
=========
All id3lib users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=media-libs/id3lib-3.8.3-r6"

References
=========
  [ 1 ] CVE-2007-4460
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-4460 

Availability
===========
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

http://security.gentoo.org/glsa/glsa-200709-08.xml 

Concerns?
========
Security is a primary focus of Gentoo Linux and ensuring the
confidentiality and security of our users machines is of utmost
importance to us. Any security concerns should be addressed to
security@gentoo.org or alternatively, you may file a bug at 
http://bugs.gentoo.org. 

License
======
Copyright 2007 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).

The contents of this document are licensed under the
Creative Commons - Attribution / Share Alike license.

http://creativecommons.org/licenses/by-sa/2.5 


--------------enig5508077C419585E336A1B3A5
Content-Type: application/pgp-signature; name="signature.asc"
Content-Description: OpenPGP digital signature
Content-Disposition: attachment; filename="signature.asc"

-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.0 (GNU/Linux)

iD8DBQFG6/1FGc/RGrFqUYMRAttbAJ4zZC5xvm2UiC8yRWl3DyUereXi4ACcDbXW
pRAPCv7itzzNmKcJvwMZ+Og=QJjt
-----END PGP SIGNATURE-----

--------------enig5508077C419585E336A1B3A5--

The entire AOH site is optimized to look best in Firefox® 3 on a widescreen monitor (1440x900 or better).
Site design & layout copyright © 1986-2014 AOH
We do not send spam. If you have received spam bearing an artofhacking.com email address, please forward it with full headers to abuse@artofhacking.com.