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Gentoo Linux Security Advisory                           GLSA 200502-11
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                                            http://security.gentoo.org/
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  Severity: Normal
     Title: Mailman: Directory traversal vulnerability
      Date: February 10, 2005
      Bugs: #81109
        ID: 200502-11

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Synopsis
========

Mailman fails to properly sanitize input, leading to information
disclosure.

Background
==========

Mailman is a Python-based mailing list server with an extensive web
interface.

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

    -------------------------------------------------------------------
     Package           /  Vulnerable  /                     Unaffected
    -------------------------------------------------------------------
  1  net-mail/mailman     < 2.1.5-r4                       >= 2.1.5-r4

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

Mailman contains an error in private.py which fails to properly
sanitize input paths.

Impact
======

An attacker could exploit this flaw to obtain arbitrary files on the
web server.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All Mailman users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=net-mail/mailman-2.1.5-r4"

References
==========

  [ 1 ] Full Disclosure Announcement
        http://lists.netsys.com/pipermail/full-disclosure/2005-February/031562.html
  [ 2 ] CAN-2005-0202
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-0202

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

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

  http://security.gentoo.org/glsa/glsa-200502-11.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