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Gentoo Linux Security Advisory                           GLSA 200812-11
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http://security.gentoo.org/ 
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    Severity: High
       Title: CUPS: Multiple vulnerabilities
        Date: December 10, 2008
        Bugs: #238976, #249727
          ID: 200812-11

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Synopsis
=======
Several remotely exploitable bugs have been found in CUPS, which allow
remote execution of arbitrary code.

Background
=========
CUPS is the Common Unix Printing System.

Affected packages
================
      -------------------------------------------------------------------
       Package         /  Vulnerable  /                       Unaffected
      -------------------------------------------------------------------
    1  net-print/cups     < 1.3.9-r1                         >= 1.3.9-r1

Description
==========
Several buffer overflows were found in:

* The read_rle16 function in imagetops (CVE-2008-3639, found by
    regenrecht, reported via ZDI)

* The WriteProlog function in texttops (CVE-2008-3640, found by
    regenrecht, reported via ZDI)

* The Hewlett-Packard Graphics Language (HPGL) filter (CVE-2008-3641,
    found by regenrecht, reported via iDefense)

* The _cupsImageReadPNG function (CVE-2008-5286, reported by iljavs)

Impact
=====
A remote attacker could send specially crafted input to a vulnerable
server, resulting in the remote execution of arbitrary code with the
privileges of the user running the server.

Workaround
=========
None this time.

Resolution
=========
All CUPS users should upgrade to the latest version.

      # emerge --sync
      # emerge --ask --oneshot --verbose ">=net-print/cups-1.3.9-r1"

References
=========
    [ 1 ] CVE-2008-3639
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-3639 
    [ 2 ] CVE-2008-3640
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-3640 
    [ 3 ] CVE-2008-3641
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-3641 
    [ 4 ] CVE-2008-5286
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-5286 

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

http://security.gentoo.org/glsa/glsa-200812-11.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 2008 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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