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Gentoo Linux Security Advisory                           GLSA 201603-03
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                                           https://security.gentoo.org/
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 Severity: High
    Title: Roundcube: Multiple Vulnerabilities
     Date: March 09, 2016
     Bugs: #554866, #564476, #570336
       ID: 201603-03

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Synopsis
=======
Multiple vulnerabilities have been found in Roundcube allowing remote
authenticated users to execute arbitrary code, inject arbitrary web
scripts, and perform cross-site scripting (XSS).

Background
=========
Free and open source webmail software for the masses, written in PHP.

Affected packages
================
    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  mail-client/roundcube        < 1.1.4                    >= 1.1.4

Description
==========
Remote authenticated users with certain permissions can read arbitrary
files or possibly execute arbitrary code via .. in the _skin parameter
to index.php.  Additionally, a cross-site scripting (XSS) vulnerability
in program/js/app.js allows remote authenticated users to inject
arbitrary web script or HTML via the file name in a drag-n-drop file
upload.

Impact
=====
A remote authenticated user could possibly execute arbitrary code with
the privileges of the process, inject arbitrary web scripts or HTML,
read arbitrary files, or perform XSS.

Workaround
=========
There is no known workaround at this time.

Resolution
=========
All Roundcube users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=mail-client/roundcube-1.1.4”

References
=========
[ 1 ] CVE-2015-8105
      http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-8105
[ 2 ] CVE-2015-8770
      http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-8770

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

 https://security.gentoo.org/glsa/201603-03

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
https://bugs.gentoo.org.

License
======
Copyright 2016 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.

https://creativecommons.org/licenses/by-sa/2.5/