Simple to exploit SQL Injection ?

[Jason binger <cisspstudy () yahoo com>]

I am reviewing a .Net web application. When entering
xyz for a username and ' for a password into a form I
receive the following stack trace (extract):

System.Exception: Can't Load DataReader using SQL
string: 'SELECT * FROM users WHERE username = 'xyz'
AND password = '''' -- Unclosed quotation mark before
the character string '''. Line 1: Incorrect syntax
near '''.

Now I would have thought this would be easy to
exploit, but I can't bypass the logon page. xyz is a
valid username. Any ideas?

Cheers


        
                
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