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[ GLSA 200711-17 ] Ruby on Rails: Multiple vulnerabilities
From: Pierre-Yves Rofes <py () gentoo org>
Date: Wed, 14 Nov 2007 22:14:44 +0100

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Gentoo Linux Security Advisory                           GLSA 200711-17
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                                            http://security.gentoo.org/
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  Severity: Normal
     Title: Ruby on Rails: Multiple vulnerabilities
      Date: November 14, 2007
      Bugs: #195315, #182223
        ID: 200711-17

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Synopsis
========

Several vulnerabilities were found in Ruby on Rails allowing for file
disclosure and theft of user credentials.

Background
==========

Ruby on Rails is a free web framework used to develop database-driven
web applications.

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

    -------------------------------------------------------------------
     Package         /  Vulnerable  /                       Unaffected
    -------------------------------------------------------------------
  1  dev-ruby/rails       < 1.2.5                             >= 1.2.5

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

candlerb found that ActiveResource, when processing responses using the
Hash.from_xml() function, does not properly sanitize filenames
(CVE-2007-5380). The session management functionality allowed the
"session_id" to be set in the URL (CVE-2007-5380). BCC discovered that
the to_json() function does not properly sanitize input before
returning it to the user (CVE-2007-3227).

Impact
======

Unauthenticated remote attackers could exploit these vulnerabilities to
determine the existence of files or to read the contents of arbitrary
XML files; conduct session fixation attacks and gain unauthorized
access; and to execute arbitrary HTML and script code in a user's
browser session in context of an affected site by enticing a user to
browse a specially crafted URL.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All Ruby on Rails users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=dev-ruby/rails-1.2.5"

References
==========

  [ 1 ] CVE-2007-3227
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-3227
  [ 2 ] CVE-2007-5379
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-5379
  [ 3 ] CVE-2007-5380
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-5380

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

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

  http://security.gentoo.org/glsa/glsa-200711-17.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 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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