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Gentoo Linux Security Advisory                           GLSA 200712-18
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  Severity: High
     Title: Multi-Threaded DAAP Daemon: Multiple vulnerabilities
      Date: December 29, 2007
      Bugs: #200110
        ID: 200712-18

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Synopsis
========

Multiple vulnerabilities in the web server in the Multi-Threaded DAAP
Daemon may lead to the remote execution of arbitrary code.

Background
==========

Multi-Threaded DAAP Daemon (mt-daapd), also known as the Firefly Media
Server, is a software to serve digital music to the Roku Soundbridge
and Apple's iTunes.

Affected packages
=================

    -------------------------------------------------------------------
     Package               /  Vulnerable  /                 Unaffected
    -------------------------------------------------------------------
  1  media-sound/mt-daapd      < 0.2.4.1                    >= 0.2.4.1

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

nnp discovered multiple vulnerabilities in the XML-RPC handler in the
file webserver.c. The ws_addarg() function contains a format string
vulnerability, as it does not properly sanitize username and password
data from the "Authorization: Basic" HTTP header line (CVE-2007-5825).
The ws_decodepassword() and ws_getheaders() functions do not correctly
handle empty Authorization header lines, or header lines without a ':'
character, leading to NULL pointer dereferences (CVE-2007-5824).

Impact
======

A remote attacker could send specially crafted HTTP requests to the web
server in the Multi-Threaded DAAP Daemon, possibly leading to the
execution of arbitrary code with the privileges of the user running the
web server or a Denial of Service.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All Multi-Threaded DAAP Daemon users should upgrade to the latest
version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=media-sound/mt-daapd-0.2.4.1"

References
==========

  [ 1 ] CVE-2007-5824
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-5824
  [ 2 ] CVE-2007-5825
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-5825

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

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

  http://security.gentoo.org/glsa/glsa-200712-18.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 2007 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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