full-disclosure - [ GLSA 200506-07 ] Ettercap: Format string vulnerability

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Message-ID: <42AAD3B0.3000808@gentoo.org>
Date: Sat Jun 11 13:06:22 2005
From: koon at gentoo.org (Thierry Carrez)
Subject: [ GLSA 200506-07 ] Ettercap: Format string
	vulnerability

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Gentoo Linux Security Advisory                           GLSA 200506-07
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                                            http://security.gentoo.org/
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  Severity: High
     Title: Ettercap: Format string vulnerability
      Date: June 11, 2005
      Bugs: #94474
        ID: 200506-07

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Synopsis
========

A format string vulnerability in Ettercap could allow a remote attacker
to execute arbitrary code.

Background
==========

Ettercap is a suite of tools for content filtering, sniffing and man in
the middle attacks on a LAN.

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

    -------------------------------------------------------------------
     Package                /  Vulnerable  /                Unaffected
    -------------------------------------------------------------------
  1  net-analyzer/ettercap       < 0.7.3                      >= 0.7.3

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

The curses_msg function of Ettercap's Ncurses-based user interface
insecurely implements formatted printing.

Impact
======

A remote attacker could craft a malicious network flow that would
result in executing arbitrary code with the rights of the user running
the Ettercap tool, which is often root.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All Ettercap users should upgrade to the latest available version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=net-analyzer/ettercap-0.7.3"

References
==========

  [ 1 ] CAN-2005-1796
        http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-1796

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

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

  http://security.gentoo.org/glsa/glsa-200506-07.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 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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