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

From: Thierry Carrez (koon_at_gentoo.org)
Date: 09/20/04

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    To: gentoo-announce@lists.gentoo.org
Date: Mon, 20 Sep 2004 22:36:23 +0200

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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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    Relevant Pages

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