bugtraq - [ GLSA 200510-09 ] Weex: Format string vulnerability

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Date: Sat, 8 Oct 2005 18:23:19 +0200
From: Sune Kloppenborg Jeppesen <jaervosz@...too.org>
To: gentoo-announce@...too.org
Cc: full-disclosure@...ts.grok.org.uk, bugtraq@...urityfocus.com,
	security-alerts@...uxsecurity.com
Subject: [ GLSA 200510-09 ] Weex: Format string
	vulnerability

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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@...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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