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Unchecked buffer in Microsoft Access Snapshot Viewer

Discussion in 'Networking' started by eddie5659, Sep 4, 2003.

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  1. eddie5659

    eddie5659 Moderator Malware Specialist Thread Starter

    Mar 19, 2001

    With Microsoft Access Snapshot Viewer, you can distribute a snapshot
    of a Microsoft Access database that allows the snapshot to be viewed
    without having Access installed. For example, a customer may want to
    send a supplier an invoice that is generated by using an Access
    database. With Microsoft Access Snapshot Viewer, the customer can
    package the database so that the supplier can view it and print it
    without having Access installed.

    The Microsoft Access Snapshot Viewer is available with all versions
    of Access - though it is not installed by default - and is also
    available as a separate stand-alone. The Snapshot Viewer is
    implemented by using an ActiveX control.

    A vulnerability exists because of a flaw in the way that Snapshot
    Viewer validates parameters. Because the parameters are not correctly
    checked, a buffer overrun can occur, which could allow an attacker to
    execute the code of their choice in the security context of the
    logged-on user.

    For an attack to be successful, an attacker would have to persuade a
    user to visit a malicious Web site that is under the attacker's

    Maximum Severity Rating: Moderate

    Affected Software:

    Microsoft Access 97
    Microsoft Access 2000
    Microsoft Access 2002

    Download locations for this patch

    Access 2002:


    (administrative update only)


    Access 2000:


    (administrative update only)


    Access 97:

    Install the updated stand-alone Snapshot Viewer control. To do so, visit the following Microsoft Web site:


    Stand-alone Snapshot Viewer Control:




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