bugtraq - [ GLSA 200608-11 ] Webmin, Usermin: File Disclosure

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Date: Sun, 6 Aug 2006 22:09:46 +0200
From: Sune Kloppenborg Jeppesen <jaervosz@...too.org>
To: gentoo-announce@...too.org
Cc: bugtraq@...urityfocus.com, full-disclosure@...ts.grok.org.uk,
	security-alerts@...uxsecurity.com
Subject: [ GLSA 200608-11 ] Webmin, Usermin: File Disclosure

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Gentoo Linux Security Advisory                           GLSA 200608-11
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                                            http://security.gentoo.org/
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  Severity: Normal
     Title: Webmin, Usermin: File Disclosure
      Date: August 06, 2006
      Bugs: #138552
        ID: 200608-11

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Synopsis
========

Webmin and Usermin are vulnerable to an arbitrary file disclosure
through a specially crafted URL.

Background
==========

Webmin is a web-based interface for Unix-like systems. Usermin is a
simplified version of Webmin designed for use by normal users rather
than system administrators.

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

    -------------------------------------------------------------------
     Package            /  Vulnerable  /                    Unaffected
    -------------------------------------------------------------------
  1  app-admin/webmin        < 1.290                          >= 1.290
  2  app-admin/usermin       < 1.220                          >= 1.220
    -------------------------------------------------------------------
     2 affected packages on all of their supported architectures.
    -------------------------------------------------------------------

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

A vulnerability in both Webmin and Usermin has been discovered by Kenny
Chen, wherein simplify_path is called before the HTML is decoded.

Impact
======

A non-authenticated user can read any file on the server using a
specially crafted URL.

Workaround
==========

For a temporary workaround, IP Access Control can be setup on Webmin
and Usermin.

Resolution
==========

All Webmin users should update to the latest stable version:

    # emerge --sync
    # emerge --ask --verbose --oneshot ">=app-admin/webmin-1.290"

All Usermin users should update to the latest stable version:

    # emerge --sync
    # emerge --ask --verbose --oneshot ">=app-admin/usermin-1.220"

References
==========

  [ 1 ] CVE-2006-3392
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-3392

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

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

  http://security.gentoo.org/glsa/glsa-200608-11.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@...too.org or alternatively, you may file a bug at
http://bugs.gentoo.org.

License
=======

Copyright 2006 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/2.5

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