full-disclosure - [ GLSA 200904-20 ] CUPS: Multiple vulnerabilities

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Date: Thu, 23 Apr 2009 23:55:36 +0200
From: Pierre-Yves Rofes <py@...too.org>
To: gentoo-announce@...too.org
Cc: full-disclosure@...ts.grok.org.uk, bugtraq@...urityfocus.com,
	security-alerts@...uxsecurity.com
Subject: [ GLSA 200904-20 ] CUPS: Multiple vulnerabilities

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Gentoo Linux Security Advisory                           GLSA 200904-20
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                                            http://security.gentoo.org/
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  Severity: Normal
     Title: CUPS: Multiple vulnerabilities
      Date: April 23, 2009
      Bugs: #263070
        ID: 200904-20

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Synopsis
========

Multiple errors in CUPS might allow for the remote execution of
arbitrary code or DNS rebinding attacks.

Background
==========

CUPS, the Common Unix Printing System, is a full-featured print server.

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

    -------------------------------------------------------------------
     Package         /  Vulnerable  /                       Unaffected
    -------------------------------------------------------------------
  1  net-print/cups      < 1.3.10                            >= 1.3.10

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

The following issues were reported in CUPS:

* iDefense reported an integer overflow in the _cupsImageReadTIFF()
  function in the "imagetops" filter, leading to a heap-based buffer
  overflow (CVE-2009-0163).

* Aaron Siegel of Apple Product Security reported that the CUPS web
  interface does not verify the content of the "Host" HTTP header
  properly (CVE-2009-0164).

* Braden Thomas and Drew Yao of Apple Product Security reported that
  CUPS is vulnerable to CVE-2009-0146, CVE-2009-0147 and CVE-2009-0166,
  found earlier in xpdf and poppler.

Impact
======

A remote attacker might send or entice a user to send a specially
crafted print job to CUPS, possibly resulting in the execution of
arbitrary code with the privileges of the configured CUPS user -- by
default this is "lp", or a Denial of Service. Furthermore, the web
interface could be used to conduct DNS rebinding attacks.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All CUPS users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=net-print/cups-1.3.10"

References
==========

  [ 1 ] CVE-2009-0146
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-0146
  [ 2 ] CVE-2009-0147
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-0147
  [ 3 ] CVE-2009-0163
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-0163
  [ 4 ] CVE-2009-0164
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-0164
  [ 5 ] CVE-2009-0166
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-0166

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

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

  http://security.gentoo.org/glsa/glsa-200904-20.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 2009 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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