[NT] Ipswitch WhatsUp Gold prn.htm DoS

From: SecuriTeam (support_at_securiteam.com)
Date: 09/19/04

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Date: 19 Sep 2004 14:29:33 +0200

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      Ipswitch WhatsUp Gold prn.htm DoS
    ------------------------------------------------------------------------

    SUMMARY

    Ipswitch WhatsUp Gold is a Microsoft Windows based network monitoring
    application. Remote exploitation of a denial of service vulnerability in
    Ipswitch Inc.'s WhatsUp Gold allows attackers to cause the application to
    crash.

    DETAILS

    Vulnerable Systems:
     * Ipswitch's WhatsUp Gold version 8.03
     * Ipswitch's WhatsUp Gold version 8.03 Hotfix 1

    Immune Systems:
     * Ipswitch's WhatsUp Gold version 8.03 Hotfix 2

    The problem specifically exists in the handling of reserved DOS device
    names. By generating a GET request for 'prn.htm' to the HTTP daemon
    installed by WhatsUp Gold, the application crashes and the following
    Runtime Library error is displayed:

        Runtime Error!
        Program: C:\Program Files\WhatsUp\whatsupg.exe
        abnormal program termination

    Analysis:
    Successful exploitation allows unauthenticated remote attackers to crash
    the WhatsUp Gold application, thereby preventing legitimate usage. The
    WhatsUp Gold web server is not enabled by default.

    Vendor response:
    A patch to address this issue is available at:
    <http://www.ipswitch.com/Support/WhatsUp/patch-upgrades.html>
    http://www.ipswitch.com/Support/WhatsUp/patch-upgrades.html

    CVE Information:
     <http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0799>
    CAN-2004-0799

    Disclosure timeline:
    08/12/2004 Initial vendor notification
    08/12/2004 iDEFENSE clients notified
    08/12/2004 Initial vendor response
    09/16/2004 Coordinated public disclosure

    ADDITIONAL INFORMATION

    The information has been provided by <mailto:iDEFENSE>
    idlabs-advisories@idefense.com.
    The original article can be found at:
    <http://www.idefense.com/application/poi/display?id=142&type=vulnerabilities> http://www.idefense.com/application/poi/display?id=142&type=vulnerabilities

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