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Gentoo Linux Security Advisory                           GLSA 200803-23
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                                            https://security.gentoo.org/
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  Severity: Normal
     Title: Website META Language: Insecure temporary file usage
      Date: March 15, 2008
      Bugs: #209927
        ID: 200803-23

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Synopsis
=======
Multiple insecure temporary file vulnerabilities have been discovered
in the Website META Language.

Background
=========
Website META Language is a free and extensible Webdesigner's off-line
HTML generation toolkit for Unix.

Affected packages
================
    -------------------------------------------------------------------
     Package       /   Vulnerable   /                       Unaffected
    -------------------------------------------------------------------
  1  dev-lang/wml      < 2.0.11-r3                        >= 2.0.11-r3

Description
==========
Temporary files are handled insecurely in the files
wml_backend/p1_ipp/ipp.src, wml_contrib/wmg.cgi, and
wml_backend/p3_eperl/eperl_sys.c, allowing users to overwrite or delete
arbitrary files with the privileges of the user running the program.

Impact
=====
Local users can exploit the insecure temporary file vulnerabilities via
symlink attacks to perform certain actions with escalated privileges.

Workaround
=========
Restrict access to the temporary directory to trusted users only.

Resolution
=========
All Website META Language users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=dev-lang/wml-2.0.11-r3"

References
=========
  [ 1 ] CVE-2008-0665
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-0665
  [ 2 ] CVE-2008-0666
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-0666

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

  https://security.gentoo.org/glsa/200803-23

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
https://bugs.gentoo.org/.

License
======
Copyright 2008 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.

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