full-disclosure - [ GLSA 200501-10 ] Vilistextum: Buffer overflow vulnerability

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From: koon at gentoo.org (Thierry Carrez)
Subject: [ GLSA 200501-10 ] Vilistextum: Buffer overflow
	vulnerability

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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
security@...too.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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