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[ GLSA 200409-24 ] Foomatic: Arbitrary command execution in foomatic-rip filter
From: "Joshua J. Berry" <condordes () gentoo org>
Date: Mon, 20 Sep 2004 08:01:06 -0700

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Gentoo Linux Security Advisory                           GLSA 200409-24
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                                            http://security.gentoo.org/
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  Severity: High
     Title: Foomatic: Arbitrary command execution in foomatic-rip
            filter
      Date: September 20, 2004
      Bugs: #64166
        ID: 200409-24

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Synopsis
========

The foomatic-rip filter in foomatic-filters contains a vulnerability
which may allow arbitrary command execution on the print server.

Background
==========

Foomatic is a system for connecting printer drivers with spooler
systems such as CUPS and LPD. The foomatic-filters package contains
wrapper scripts which are designed to be used with Foomatic.

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

    -------------------------------------------------------------------
     Package                     /  Vulnerable  /           Unaffected
    -------------------------------------------------------------------
  1  net-print/foomatic              <= 3.0.1                 >= 3.0.2
  2  net-print/foomatic-filters      <= 3.0.1                 >= 3.0.2
    -------------------------------------------------------------------
     2 affected packages on all of their supported architectures.
    -------------------------------------------------------------------

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

There is a vulnerability in the foomatic-filters package. This
vulnerability is due to insufficient checking of command-line
parameters and environment variables in the foomatic-rip filter.

Impact
======

This vulnerability may allow both local and remote attackers to execute
arbitrary commands on the print server with the permissions of the
spooler (oftentimes the "lp" user).

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All foomatic users should upgrade to the latest version:

    # emerge sync

    # emerge -pv ">=net-print/foomatic-3.0.2"
    # emerge ">=net-print/foomatic-3.0.2"

PLEASE NOTE: You should update foomatic, instead of foomatic-filters.
This will help to ensure that all other foomatic components remain
functional.

References
==========

  [ 1 ] Foomatic Announcement
        http://www.linuxprinting.org/pipermail/foomatic-devel/2004q3/001996.html
  [ 2 ] Mandrakesoft Security Advisory
        http://www.mandrakesoft.com/security/advisories?name=MDKSA-2004:094
  [ 3 ] CAN 2004-0801
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0801

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

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

  http://security.gentoo.org/glsa/glsa-200409-24.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 2004 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/1.0

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