[NEWS] Lycos Free Email Cross-Site Scripting Vulnerability

From: SecuriTeam (support_at_securiteam.com)
Date: 12/28/04

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    To: list@securiteam.com
    Date: 28 Dec 2004 09:49:25 +0200
    
    

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      Lycos Free Email Cross-Site Scripting Vulnerability
    ------------------------------------------------------------------------

    SUMMARY

    Lycos's Free Email service "allows users to have their own web based email
    account very much like Hotmail". A cross site scripting vulnerability in
    Lycos's Free Email service allows an attacker to steal a user's cookie
    allowing him full access to his Lycos email account. Further, due to a
    flaw in the way Lycos handles cookies, even if the user being attacked
    changes his password, the attacker can still gain access to his account as
    the cookie will remain valid.

    DETAILS

    Proof of Concept:
    The following URL will trigger the vulnerability in Lycos:
    http://ldbreg.lycos.com/cgi-bin/mayaRegister?m_NP=%22%3E%3C
    script%3Ealert(document.cookie)%3C/script%3EEUSA_LycosMail_Plus&m_RC=32&m_PR=27&

    ADDITIONAL INFORMATION

    The information has been provided by <mailto:goldshlager@gmail.com> Nir
    Goldshlager.

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