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Gentoo Linux Security Advisory                           GLSA 200606-20
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                                            http://security.gentoo.org/
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  Severity: High
     Title: Typespeed: Remote execution of arbitrary code
      Date: June 19, 2006
      Bugs: #135071
        ID: 200606-20

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Synopsis
========

A buffer overflow in the network code of Typespeed can lead to the
execution of arbitrary code.

Background
==========

Typespeed is a game to test and practice 10-finger-typing. Network code
allows two users to compete head-to-head.

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

    -------------------------------------------------------------------
     Package               /  Vulnerable  /                 Unaffected
    -------------------------------------------------------------------
  1  games-misc/typespeed       < 0.5.0                       >= 0.5.0

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

Niko Tyni discovered a buffer overflow in the addnewword() function of
Typespeed's network code.

Impact
======

By sending specially crafted network packets to a machine running
Typespeed in multiplayer mode, a remote attacker can execute arbitrary
code with the permissions of the user running the game.

Workaround
==========

Do not run Typespeed in multiplayer mode. There is no known workaround
at this time for multiplayer mode.

Resolution
==========

All Typespeed users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose
 ">=games-misc/typespeed-0.5.0"

References
==========

  [ 1 ] CVE-2006-1515
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-1515

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

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

  http://security.gentoo.org/glsa/glsa-200606-20.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 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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