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Unchecked Buffer in MDAC Function Could Enable SQL Server Compromise:July 31

Discussion in 'Web & Email' started by eddie5659, Aug 1, 2002.

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  1. eddie5659

    eddie5659 Moderator Malware Specialist Thread Starter

    Mar 19, 2001

    The Microsoft Data Access Components (MDAC) provide a number of
    supporting technologies for
    accessing and using databases. Included among these functions is the
    underlying support for
    the T-SQL OpenRowSet command. A security vulnerability results
    because the MDAC functions
    underlying OpenRowSet contain an unchecked buffer.

    An attacker who submitted a database query containing a specially
    malformed parameter within
    a call to OpenRowSet could overrun the buffer, either for the purpose
    of causing the SQL
    Server to fail or causing the SQL Server service to take actions
    dictated by the attacker.

    Maximum Severity Rating: Moderate

    Affected Software:

    Microsoft Data Access Components 2.5
    Microsoft Data Access Components 2.6
    Microsoft Data Access Components 2.7

    Download locations for this patch

    MDAC 2.5:


    MDAC 2.6:


    MDAC 2.7:




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