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A restart may= be required to complete the installation, so the larger= application setup program should restart when it has completed= its setup.
#Check mdac version install#
It will completely= install MDAC but will not restart the workstation. To run MDAC setup in silent mode, use= the following command: mdac_typ /Q:A /C:”dasetup /Q” If you need to prevent the MDAC setup from restarting the= workstation, use this command: mdac_typ /Q:A /C:”dasetup /Q /N” You can also run a silent setup that will raise a dialog if setup= finds any MDAC files in use with this command: mdac_typ /Q:A /C:”dasetup /Q:D /N” This command will allow the user to shut down the applications= and possibly avoid the need for a reboot. This mode should be used only as part of a larger= application setup program that can handle any problems that may= arise during installation. Silent Setup This mode installs MDAC with almost no visible user interface at= all. Microsoft Data Access Components (MDAC) is a. Also, a system is not vulnerable by having these SQL management tools installed.Code executed on the client system would only run under the privileges of the client program that made the broadcast request. An attacker would have no way of launching this first step but would have to wait for anyone to enumerate computers that are running SQL Server on the same subnet. A target system must initiate such a broadcast request to be vulnerable to an attack. Also, Microsoft Knowledge Base article 231943 discusses the release history of the different versions of MDAC.Mitigating factors:For an attack to be successful an attacker would have to simulate a SQL server that is on the same IP subnet as the target system.When a client system on a network tries to see a list of computers that are running SQL Server and that reside on the network, it sends a broadcast request to all the devices that are on the network.
#Check mdac version how to#
If the program ran with limited privileges, an attacker would be limited accordingly, however, if the program ran under the local system context, the attacker would have the same level of permissions.Since the original version of MDAC on your system may have changed from updates available on the Microsoft Web site, we recommend using the following tool to determine the version of MDAC you have on your system: Microsoft Knowledge Base article 301202 "HOW TO: Check for MDAC Version" discusses this tool and explains how to use it. The actions an attacker could carry out would be dependent on the permissions under which the program using MDAC ran. Because of a vulnerability in a specific MDAC component, an attacker could respond to this request with a specially-crafted packet that could cause a buffer overflow.An attacker who successfully exploited this vulnerability could gain the same level of privileges over the system as the program that initiated the broadcast request. When a client system on a network tries to see a list of computers that are running SQL Server and that reside on the network, it sends a broadcast request to all the devices that are on the network.
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Microsoft Data Access Components (MDAC) is a collection of components that provides the underlying functionality for a number of database operations, such as connecting to remote databases and returning data to a client.