[NT] OpenText FirstClass Arbitrary File Execution

From: SecuriTeam (support_at_securiteam.com)
Date: 04/11/05

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Date: 11 Apr 2005 17:52:50 +0200

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      OpenText FirstClass Arbitrary File Execution
    ------------------------------------------------------------------------

    SUMMARY

     <http://www.opentext.com> FirstClass is "a cost-effective, highly
    scalable, messaging and communications solution ideally suited for
    learning organizations, enterprises, governments and service providers".

    Due to lack of filtering of user provided input a remote attacker is able
    to cause OpenText FirstClass to execute arbitrary files.

    DETAILS

    Vulnerable Systems:
     * OpenText FirstClass version 8.0

    OpenText FirstClass's bookmark files feature allow the user to organize
    their web address's using the familiar FirstClass desktop environment.
    Under FirstClass's bookmark settings the Advanced settings tab contains a
    URL setting, this URL will be passed directly to the Windows ShellExecute
    API, which in turn allows any local/network file to be executed when the
    bookmark is accessed.

    ADDITIONAL INFORMATION

    The information has been provided by <mailto:dilabox@gmail.com> dila.

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