bugtraq - [ GLSA 200612-01 ] wv library: Multiple integer overflows

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Date: Thu, 7 Dec 2006 12:04:09 +0100
From: Sune Kloppenborg Jeppesen <jaervosz@...too.org>
To: gentoo-announce@...too.org
Cc: bugtraq@...urityfocus.com, full-disclosure@...ts.grok.org.uk,
	security-alerts@...uxsecurity.com
Subject: [ GLSA 200612-01 ] wv library: Multiple integer overflows

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Gentoo Linux Security Advisory                           GLSA 200612-01
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                                            http://security.gentoo.org/
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  Severity: Normal
     Title: wv library: Multiple integer overflows
      Date: December 07, 2006
      Bugs: #153800
        ID: 200612-01

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Synopsis
========

The wv library is vulnerable to multiple integer overflows which could
lead to the execution of arbitrary code.

Background
==========

wv is a library for conversion of MS Word DOC and RTF files.

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

    -------------------------------------------------------------------
     Package      /  Vulnerable  /                          Unaffected
    -------------------------------------------------------------------
  1  app-text/wv     < 1.2.3-r1                            >= 1.2.3-r1

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

The wv library fails to do proper arithmetic checks in multiple places,
possibly leading to integer overflows.

Impact
======

An attacker could craft a malicious file that, when handled with the wv
library, could lead to the execution of arbitrary code with the
permissions of the user running the application.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All wv library users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=app-text/wv-1.2.3-r1"

References
==========

  [ 1 ] CVE-2006-4513
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-4513

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

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

  http://security.gentoo.org/glsa/glsa-200612-01.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 2006 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

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