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Gentoo Linux Security Advisory                           GLSA 201203-11
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                                            http://security.gentoo.org/
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 Severity: Normal
    Title: usbmuxd: User-assisted execution of arbitrary code
     Date: March 06, 2012
     Bugs: #399409
       ID: 201203-11

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Synopsis
========

A buffer overflow vulnerability in usbmuxd could result in the
execution of arbitrary code.

Background
==========

usbmuxd is a USB multiplex daemon for use with Apple iPhone and iPod
Touch devices.

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

    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  app-pda/usbmuxd             < 1.0.7-r1               >= 1.0.7-r1

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

The "receive_packet()" function in libusbmuxd.c contains a boundary
error when parsing the "SerialNumber" field of a USB device, which
could cause a heap-based buffer overflow.

Impact
======

An attacker could gain physical access or entice a user to connect to a
malicious USB device, possibly resulting in execution of arbitrary code
with the privileges of the "usbmux" user.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All usbmuxd users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=app-pda/usbmuxd-1.0.7-r1"

References
==========

[ 1 ] CVE-2012-0065
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-0065

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

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

 http://security.gentoo.org/glsa/glsa-201203-11.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
https://bugs.gentoo.org.

License
=======

Copyright 2012 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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