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TUCoPS :: Linux :: Gentoo :: hack0406.htm

CUPS: Denial of service vulnerability GLSA 200409-25



[ GLSA 200409-25 ] CUPS: Denial of service vulnerability

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Gentoo Linux Security Advisory                           GLSA 200409-25
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                                            http://security.gentoo.org/ 
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  Severity: Normal
     Title: CUPS: Denial of service vulnerability
      Date: September 20, 2004
      Bugs: #64168
        ID: 200409-25

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Synopsis
========

A vulnerability in CUPS allows remote attackers to cause a denial of
service when sending a carefully-crafted UDP packet to the IPP port.

Background
==========

The Common UNIX Printing System (CUPS) is a cross-platform print
spooler.

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

    -------------------------------------------------------------------
     Package         /   Vulnerable   /                     Unaffected
    -------------------------------------------------------------------
  1  net-print/cups      < 1.1.20-r2                      >= 1.1.20-r2

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

Alvaro Martinez Echevarria discovered a hole in the CUPS Internet
Printing Protocol (IPP) implementation that allows remote attackers to
cause CUPS to stop listening on the IPP port. This can be caused by
sending an empty UDP datagram packet to the IPP port.

Impact
======

A remote user with malicious intent can easily cause a denial of
service to the CUPS daemon.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All CUPS users should upgrade to the latest version:

    # emerge sync

    # emerge -pv ">=net-print/cups-1.1.20-r2"
    # emerge ">=net-print/cups-1.1.20-r2"

References
==========

  [ 1 ] CUPS Software Trouble Report
        http://www.cups.org/str.php?L863 
  [ 2 ] CAN-2004-0558
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0558 

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

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

  http://security.gentoo.org/glsa/glsa-200409-25.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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