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Gentoo: PeerCast Format string vulnerability Print E-mail
User Rating:      How can I rate this item?
Posted by Benjamin D. Thomas   
Gentoo PeerCast suffers from a format string vulnerability that could allow arbitrary code execution.
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Gentoo Linux Security Advisory                           GLSA 200506-15
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                                            http://security.gentoo.org/
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  Severity: High
     Title: PeerCast: Format string vulnerability
      Date: June 19, 2005
      Bugs: #96199
        ID: 200506-15

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Synopsis
========

PeerCast suffers from a format string vulnerability that could allow
arbitrary code execution.

Background
==========

PeerCast is a media streaming system based on P2P technology.

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

    -------------------------------------------------------------------
     Package               /  Vulnerable  /                 Unaffected
    -------------------------------------------------------------------
  1  media-sound/peercast      < 0.1212                      >= 0.1212

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

James Bercegay of the GulfTech Security Research Team discovered that
PeerCast insecurely implements formatted printing when receiving a
request with a malformed URL.

Impact
======

A remote attacker could exploit this vulnerability by sending a request
with a specially crafted URL to a PeerCast server to execute arbitrary
code.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All PeerCast users should upgrade to the latest available version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=media-sound/peercast-0.1212"

References
==========

  [ 1 ] GulfTech Advisory
        http://www.gulftech.org/?node=research&article_id=00077-05282005
  [ 2 ] PeerCast Announcement
        http://www.peercast.org/forum/viewtopic.php?p=11596

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

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

  http://security.gentoo.org/glsa/glsa-200506-15.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 2005 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/2.0
 
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