[UNIX] Sympa Mailing List System Cross Site Scripting

From: SecuriTeam (support_at_securiteam.com)
Date: 08/22/04

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    To: list@securiteam.com
    Date: 22 Aug 2004 17:18:37 +0200
    
    

    The following security advisory is sent to the securiteam mailing list, and can be found at the SecuriTeam web site: http://www.securiteam.com
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      Sympa Mailing List System Cross Site Scripting
    ------------------------------------------------------------------------

    SUMMARY

     <http://www.sympa.org/> Sympa is a rich open source mailing list
    software. Its design highly focuses on customization possibilities and
    ease of administration.The Sympa mailing list software is vulnerable to
    cross site scripting vulnerabilities.

    DETAILS

    Vulnerable Systems:
     * Sympa version 4.1.x

    The creation list option is vulnerable to cross site-scripting attacks. It
    could allow an attacker to inject malicious HTML or script code into the
    system that can later be executed on a victim's machine. Normal uses for
    such attacks are cookie credential theft. Follow the steps below to test
    the vulnerability:

     * Navigate to http://>/wws
     * Login with a valid e-mail and password (or click in the Send me
    Password option and follow the instructions)
     * Click on create list option
     * In the "List Name" field enter the text that you want
     * In the "Subject" field enter the subject that you want
     * Select your preferred topic
     * In the description field insert the following text:
      <script>alert("Your cookie is " + document.cookie)</script>
     * Click on "Submit your creation Request" button
     * The list is created
     * Now, click on "List Info". You will see your cookie in a JavaScript
    "alert" message box

    Reference to the bug can be found in the Symba bug tracking list, at
    <
    http://listes.cru.fr/mantis/view_bug_advanced_page.php?f_id=0000327>
    http://listes.cru.fr/mantis/view_bug_advanced_page.php?f_id=0000327.

    ADDITIONAL INFORMATION

    The information has been provided by <mailto:joxeankoret@yahoo.es> Joxean
    Koret.

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