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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@gentoo.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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