[UNIX] eSupport Cross Site Scripting

From: SecuriTeam (support_at_securiteam.com)
Date: 03/23/05

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Date: 23 Mar 2005 20:05:41 +0200

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      eSupport Cross Site Scripting
    ------------------------------------------------------------------------

    SUMMARY

     <http://www.kayako.com/> Kayako eSupport is "a popular helpdesk, and
    support software. It is used by many businesses for customer support
    purposes".

    eSupport is prone to cross site scripting attacks that allows an attacker
    to use the application as an attack vector, or an attacker to access
    sensitive user information.

    DETAILS

    Vulnerable Systems:
     * Kayako eSupport version 2.3

    Cross site scripting exists in Kayako eSupport. This vulnerability exists
    due to user supplied input not being checked properly. Below are a few
    benign examples of the previously mentioned issues:
    http://path/index.php?_a=knowledgebase&_j=questiondetails&_i=[INT][XSS]
    http://path/index.php?_a=knowledgebase&_j=questionprint&_i=[INT][XSS]
    http://path/index.php?_a=troubleshooter&_c=[INT][XSS]
    http://path/index.php?_a=knowledgebase&_j=subcat&_i=[INT][XSS]

    This vulnerability could be used to steal cookie based authentication
    credentials within the scope of the current domain, or render hostile code
    in a victim's browser. Where [INT] and [XSS] should be a valid integer and
    your choice of code, for example: "><h1>Cross Site Scripting</h1>

    ADDITIONAL INFORMATION

    The information has been provided by <mailto:security@gulftech.org> James
    Bercegay.

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