[Full-disclosure] [ GLSA 200510-09 ] Weex: Format string vulnerability

[Sune Kloppenborg Jeppesen]

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Gentoo Linux Security Advisory                           GLSA 200510-09
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                                            http://security.gentoo.org/
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  Severity: Normal
     Title: Weex: Format string vulnerability
      Date: October 08, 2005
      Bugs: #107849
        ID: 200510-09

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Synopsis
========

Weex contains a format string error that may be exploited by malicious
servers to execute arbitrary code.

Background
==========

Weex is a non-interactive FTP client typically used to update web
pages.

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

    -------------------------------------------------------------------
     Package       /   Vulnerable   /                       Unaffected
    -------------------------------------------------------------------
  1  net-ftp/weex     < 2.6.1.5-r1                       >= 2.6.1.5-r1

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

Ulf Harnhammar discovered a format string bug in Weex that can be
triggered when it is first run (or when its cache files are rebuilt,
using the -r option).

Impact
======

An attacker could setup a malicious FTP server which, when accessed
using Weex, could trigger the format string bug and end up executing
arbitrary code with the rights of the user running Weex.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All Weex users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=net-ftp/weex-2.6.1.5-r1"

References
==========

  [ 1 ] CAN-2005-3150
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-3150

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

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

  http://security.gentoo.org/glsa/glsa-200510-09.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 at 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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