full-disclosure - [ GLSA 200903-29 ] BlueZ: Arbitrary code execution

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Message-ID: <49BEC64C.8030507@gentoo.org>
Date: Mon, 16 Mar 2009 22:36:12 +0100
From: Pierre-Yves Rofes <py@...too.org>
To: gentoo-announce@...too.org
Cc: full-disclosure@...ts.grok.org.uk, bugtraq@...urityfocus.com,
	security-alerts@...uxsecurity.com
Subject: [ GLSA 200903-29 ] BlueZ: Arbitrary code execution

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Gentoo Linux Security Advisory                           GLSA 200903-29
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                                            http://security.gentoo.org/
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  Severity: Normal
     Title: BlueZ: Arbitrary code execution
      Date: March 16, 2009
      Bugs: #230591
        ID: 200903-29

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Synopsis
========

Insufficient input validation in BlueZ may lead to arbitrary code
execution or a Denial of Service.

Background
==========

BlueZ is a set of Bluetooth tools and system daemons for Linux.

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

    -------------------------------------------------------------------
     Package                   /  Vulnerable  /             Unaffected
    -------------------------------------------------------------------
  1  net-wireless/bluez-utils       < 3.36                     >= 3.36
  2  net-wireless/bluez-libs        < 3.36                     >= 3.36
    -------------------------------------------------------------------
     2 affected packages on all of their supported architectures.
    -------------------------------------------------------------------

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

It has been reported that the Bluetooth packet parser does not validate
string length fields in SDP packets.

Impact
======

A physically proximate attacker using a Bluetooth device with an
already established trust relationship could send specially crafted
requests, possibly leading to arbitrary code execution or a crash.
Exploitation may also be triggered by a local attacker registering a
service record via a UNIX socket or D-Bus interface.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All bluez-utils users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=net-wireless/bluez-utils-3.36"

All bluez-libs users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=net-wireless/bluez-libs-3.36"

References
==========

  [ 1 ] CVE-2008-2374
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-2374

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

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

  http://security.gentoo.org/glsa/glsa-200903-29.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 2009 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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