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[ GLSA 200502-27 ] gFTP: Directory traversal vulnerability
From: Matthias Geerdsen <vorlon () gentoo org>
Date: Sat, 19 Feb 2005 17:44:33 +0100

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Gentoo Linux Security Advisory                           GLSA 200502-27
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                                            http://security.gentoo.org/
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  Severity: Normal
     Title: gFTP: Directory traversal vulnerability
      Date: February 19, 2005
      Bugs: #81994
        ID: 200502-27

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Synopsis
========

gFTP is vulnerable to directory traversal attacks, possibly leading to
the creation or overwriting of arbitrary files.

Background
==========

gFTP is a GNOME based, multi-threaded file transfer client.

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

    -------------------------------------------------------------------
     Package       /   Vulnerable   /                       Unaffected
    -------------------------------------------------------------------
  1  net-ftp/gftp      < 2.0.18-r1                        >= 2.0.18-r1

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

gFTP lacks input validation of filenames received by remote servers.

Impact
======

An attacker could entice a user to connect to a malicious FTP server
and conduct a directory traversal attack by making use of specially
crafted filenames. This could lead to arbitrary files being created or
overwritten.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All gFTP users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=net-ftp/gftp-2.0.18-r1"

References
==========

  [ 1 ] gFTP Announcement
        http://archives.seul.org/gftp/announce/Feb-2005/msg00000.html
  [ 2 ] CAN-2005-0372
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-0372

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

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

  http://security.gentoo.org/glsa/glsa-200502-27.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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