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Re: Blind SQL Injection / Stored procedures

Subject: Re: Blind SQL Injection / Stored procedures
Date: Wed, 16 Nov 2005 15:03:25 +0100
Hi Andres, you could try to write the results of the xp_makewebtask in shared folder of other server, or if the Database server has access to Internet, you could try in your own shared folder.

Other scenario: If there is a Ftp server reacheable by the DB server you could dump the file with xp_makewebtask, and then ftp the file to Ftp server. You also need a ftp account :(

Cheers

Christian Martorella


Andres Molinetti wrote:

Hi List,

I am currently testing a clients Web Site. I have found that it is vulnerable to Blind SQL Injection, so I have been able to enumerate tables, columns, etc. It interact with an SQL Server 2000 SP3.

The problem is that, despite I was able to enumerate tables and columns (through base..syscolumns) I am not able to access any data of those tables.

I think this can be happening because the priviledges are assigned to stored procedures, and not directly to users, which is a good practice.

Then my problem is how can I use an stored procedure to get some data? I think I am able to run, but how can I do to get its results?

I know that there is an xp_makewebtask which lets me write sql queries to a file, but as the sql server resides in a different machine that the web server, I cannot get those files.

Thanks in advance,

Andy

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