bugtraq - [ GLSA 200709-07 ] Eggdrop: Buffer overflow

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Date: Sat, 15 Sep 2007 17:30:29 +0200
From: Matthias Geerdsen <vorlon@...too.org>
To: gentoo-announce@...too.org
Cc: bugtraq@...urityfocus.com, full-disclosure@...ts.grok.org.uk,
	security-alerts@...uxsecurity.com
Subject: [ GLSA 200709-07 ] Eggdrop: Buffer overflow

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Gentoo Linux Security Advisory                           GLSA 200709-07
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                                            http://security.gentoo.org/
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  Severity: Normal
     Title: Eggdrop: Buffer overflow
      Date: September 15, 2007
      Bugs: #179354
        ID: 200709-07

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Synopsis
========

A remote stack-based buffer overflow has been discovered in Eggdrop.

Background
==========

Eggdrop is an IRC bot extensible with C or Tcl.

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

    -------------------------------------------------------------------
     Package          /   Vulnerable   /                    Unaffected
    -------------------------------------------------------------------
  1  net-irc/eggdrop      < 1.6.18-r2                     >= 1.6.18-r2

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

Bow Sineath discovered a boundary error in the file
mod/server.mod/servrmsg.c when processing overly long private messages
sent by an IRC server.

Impact
======

A remote attacker could entice an Eggdrop user to connect the bot to a
malicious server, possibly resulting in the execution of arbitrary code
on the host running Eggdrop.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All Eggdrop users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=net-irc/eggdrop-1.6.18-r2"

References
==========

  [ 1 ] CVE-2007-2807
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-2807

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

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

  http://security.gentoo.org/glsa/glsa-200709-07.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 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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