[ GLSA 200709-08 ] id3lib: Insecure temporary file creation

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

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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.

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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

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  [ 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).

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