[UNIX] WPkontakt Message Parsing Error

From: SecuriTeam (support_at_securiteam.com)
Date: 01/10/05

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Date: 10 Jan 2005 15:41:18 +0200

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      WPkontakt Message Parsing Error
    ------------------------------------------------------------------------

    SUMMARY

     <http://www.man.poznan.pl/security/wpkontakt.html> WPkontakt is "a Polish
    instant messenger". Due to incorrect filtering don by WPkontakt, a remote
    attacker can inject arbitrary HTML/JavaScript into the content returned by
    the server.

    DETAILS

    Vulnerable Systems:
     * WPKontakt version 3.0.1 and prior

    Immune Systems:
     * WPKontakt version 3.0.1p1 or newer

    An error returned during the parsing an email addresses, allows a remote
    attack to inject HTML/JavaScript.

    Example:
    The following email address will trigger the error:
    test@"style="background-image:url(javascript:alert(%22You%20are%20owned!%22>))".wp.pl

    ADDITIONAL INFORMATION

    The information has been provided by <mailto:sloik@man.poznan.pl>
    Jaroslaw Sajko.

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