Patch available for high risk flaws in the AtHoc Toolbar

From: NGSSoftware Insight Security Research (nisr_at_NEXTGENSS.COM)
Date: 10/06/04

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    Date:         Wed, 6 Oct 2004 17:55:11 +0100
    To: NTBUGTRAQ@LISTSERV.NTBUGTRAQ.COM
    
    

    Mark Litchfield and John Heasman of NGSSoftware have discovered two high
    risk vulnerabilities in the AtHoc Toolbar. The AtHoc toolbar is a plugin for
    Microsoft's Internet Explorer. The toolbar is redistributed to users of

    eBay
    Accenture
    ThomasRegister
    ThomasRegional
    Juniper Networks
    WiredNews
    CarFax
    Agile PLM

    The flaws, that include a remotely exploitable buffer overflow and a format
    string bug, have been fixed by AtHoc and an updated toolbar has been
    distributed to the affected companies. Clients of any of the companies
    listed above that have installed the toolbar should ensure that they
    download the updated version.

    NGSSoftware are going to withhold details about these flaws for three
    months. Full details will be published on the 6th of January 2005. This
    three month window will allow users of the toolbar the time needed to obtain
    the updated version before the details are released to the general public.
    This reflects NGSSoftware's new approach to responsible disclosure.

    NGSSoftware Insight Security Research
    http://www.databasesecurity.com/
    http://www.nextgenss.com/
    +44(0)208 401 0070

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