[NEWS] ColdFusion MX File Upload DoS

From: SecuriTeam (support_at_securiteam.com)
Date: 04/18/04

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Date: 18 Apr 2004 18:14:11 +0200

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      ColdFusion MX File Upload DoS
    ------------------------------------------------------------------------

    SUMMARY

    ColdFusion MX 6.1 is vulnerable to a denial of service attack if a
    malicious user repeatedly uploads files and interrupts each upload before
    it completes.

    DETAILS

    Vulnerable Systems:
     * ColdFusion MX 6.1 (all editions)
     * ColdFusion MX 6.1 J2EE (all editions)

    When file uploads to ColdFusion MX via an HTML form are started, but are
    interrupted before they complete - disk space on the server may not be
    reclaimed when the ColdFusion MX template finishes processing.

    Solution:
    Macromedia has released a
    <http://download.macromedia.com/pub/security/mpsb04-06.zip> File Upload
    DoS patch that can be downloaded and applied to ColdFusion MX 6.1.

    ColdFusion MX 6.1 Enterprise or Standard Edition:
       1. Download the patch above and expand it
       2. Stop ColdFusion MX
       3. Place the hf52806_61.jar in the {cf_root}/runtime/servers/lib
    directory. (Create the {cf_root}/runtime/servers/lib directory if it does
    not exist.)
       4. Start ColdFusion MX

    ColdFusion MX 6.1 J2EE on Other J2EE Servers:
       1. Stop ColdFusion MX
       2.

          Place the hf52806_61.jar in the directory according to the J2EE
    server:
              * ColdFusion MX for J2EE (WebLogic 7 shown)
                
    /Bea/WebLogic700/server/bin/applications/cfusion.ear/cfusion.war/WEB-INF/lib
              * ColdFusion MX for J2EE (Websphere)
                
    /WebSphere/AppServer/installedApps/cfusion.ear/cfusion.war/WEB-INF/lib
              * ColdFusion MX for J2EE (SunOne)
                /iPlanet/Servers/docs/CFusionMX/WEB-INF/lib
              * ColdFusion MX for J2EE (JRun)
                
    /jrun4/servers/cfusion/cfusion-ear/cfusion-war/WEB-INF/cfusion/lib
       3. Start ColdFusion MX

    ADDITIONAL INFORMATION

    The information has been provided by <mailto:securityzone@macromedia.com>
    Macromedia Security Zone.

    The original article can be found at:
    <http://www.macromedia.com/devnet/security/security_zone/mpsb04-06.html>
    http://www.macromedia.com/devnet/security/security_zone/mpsb04-06.html

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