[ GLSA 200606-20 ] Typespeed: Remote execution of arbitrary code

[Sune Kloppenborg Jeppesen <jaervosz () gentoo org>]

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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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