From: Maxime Ducharme (mducharmecybergeneration.com)
Date: Wed Nov 08 2006 - 13:21:43 CST

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Hello

I remember seeing this when using a certain type
of LockType or CursorType property ADODB.RecordSet
to speed up large queries

if memory serves well, RecordSet.LockType set to
adLockReadOnly will cause this error if you use
something else than SELECT statements

HTH

Maxime Ducharme

-----Message d'origine-----
De : full-disclosure-bounceslists.grok.org.uk
[mailto:full-disclosure-bounceslists.grok.org.uk] De la part de Andres
Molinetti
Envoyé : 8 novembre, 2006 11:33
À : full-disclosurelists.grok.org.uk
Cc : webappsecsecurityfocus.com
Objet : [Full-disclosure] SQL Injection with cursors?

Hi,

I have another question, somehow related with my previous one.

I have an injection point, where I can do, for example

        test.asp?param=blabla' and 1=(select version)--

and injections of the sort, and retrieve the information without problems.

Now, when I try to execute a stored procedure like

       test.asp?param=blabla' exec master..xp_cmdshell 'dir'--

or

       test.asp?param=blabla'; exec master..xp_cmdshell 'dir'--

I get the following error:

Microsoft OLE DB Provider for SQL Server error '80040e14'
sp_cursoropen/sp_cursorprepare: The statement parameter can only be a single
select or a single stored procedure.

Does anybody got an idea of why this is happening?

Best Regards,

Andy.

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