bugtraq - [ GLSA 200701-12 ] Mono: Information disclosure

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Date: Wed, 17 Jan 2007 00:07:49 +0100
From: Raphael Marichez <falco@...too.org>
To: gentoo-announce@...too.org
Cc: bugtraq@...urityfocus.com, full-disclosure@...ts.grok.org.uk,
	security-alerts@...uxsecurity.com
Subject: [ GLSA 200701-12 ] Mono: Information disclosure

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Gentoo Linux Security Advisory                           GLSA 200701-12
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                                            http://security.gentoo.org/
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  Severity: Low
     Title: Mono: Information disclosure
      Date: January 16, 2007
      Bugs: #159886
        ID: 200701-12

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Synopsis
========

Mono does not properly sanitize pathnames allowing unauthorized
information disclosure.

Background
==========

Mono provides the necessary software to develop and run .NET client and
server applications on various platforms.

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

    -------------------------------------------------------------------
     Package        /  Vulnerable  /                        Unaffected
    -------------------------------------------------------------------
  1  dev-lang/mono      < 1.2.2.1                           >= 1.2.2.1

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

José Ramón Palanco has discovered that the System.Web class in the
XSP for the ASP.NET server 1.1 through 2.0 in Mono does not properly
validate or sanitize local pathnames which could allow server-side file
content disclosure.

Impact
======

An attacker could append a space character to a URI and obtain
unauthorized access to the source code of server-side files. An
attacker could also read credentials by requesting Web.Config%20 from a
Mono server.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All Mono users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=dev-lang/mono-1.2.2.1"

References
==========

  [ 1 ] CVE-2006-6104
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-6104

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

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

  http://security.gentoo.org/glsa/glsa-200701-12.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 2007 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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