Resolve and clear SQL Injection

Source: Internet
Author: User

Run the following code in the SQL query analyzer.

Declare @ t varchar (255), @ c varchar (255)
Declare table_cursor cursor for select a. name, B. name
From sysobjects a, syscolumns B, policypes c
Where a. id = B. id and a. xtype = 'U' and c. name
In ('Char ', 'nchar', 'nvarchar ', 'varchar', 'text', 'ntext ')
Declare @ str varchar (500), @ str2 varchar (500)
Set @ str = '<script src = http://r01.3322.org/c.js> </script>'/* content to be replaced */
Set @ str2 =''
Open table_cursor
Fetch next from table_cursor
Into @ t, @ c while (@ fetch_status = 0)
Begin exec ('Update ['+ @ t +'] set ['+ @ c +'] = replace (cast (['+ @ c +'] as varchar (8000) ), ''' + @ str + ''', ''' + @ str2 + ''')')
Fetch next from table_cursor
Into @ t, @ c end close table_cursor deallocate table_cursor;

First Replace the <script src = http://r01.3322.org/c.js> </script> In the code to inject content into your database table, open the SQL query Analyzer of MSSQL and execute the following code.

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