From: Thierry Carrez (koongentoo.org)
Date: Thu Jan 06 2005 - 15:37:05 CST

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Gentoo Linux Security Advisory GLSA 200501-10
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                                            http://security.gentoo.org/
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  Severity: Normal
     Title: Vilistextum: Buffer overflow vulnerability
      Date: January 06, 2005
      Bugs: #74694
        ID: 200501-10

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Synopsis
========

Vilistextum is vulnerable to a buffer overflow that allows an attacker
to execute arbitrary code through the use of a malicious webpage.

Background
==========

Vilistextum is an HTML to text converter.

Affected packages
=================

    -------------------------------------------------------------------
     Package / Vulnerable / Unaffected
    -------------------------------------------------------------------
  1 app-text/vilistextum < 2.6.7 >= 2.6.7

Description
===========

Ariel Berkman discovered that Vilistextum unsafely reads data into an
array without checking the length. This code vulnerability may lead to
a buffer overflow.

Impact
======

A remote attacker could craft a malicious webpage which, when
converted, would result in the execution of arbitrary code with the
rights of the user running Vilistextum.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All Vilistextum users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=app-text/vilistextum-2.6.7"

References
==========

  [ 1 ] Original Advisory
        http://tigger.uic.edu/~jlongs2/holes/vilistextum.txt
  [ 2 ] CAN-2004-1299
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-1299

Availability
============

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

  http://security.gentoo.org/glsa/glsa-200501-10.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
securitygentoo.org or alternatively, you may file a bug at
http://bugs.gentoo.org.

License
=======

Copyright 2005 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/2.0

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