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RE: MS SQL, find list of tables
From: "Velasco Herrero, Jose Antonio" <joseantonio.velasco () t-systems es>
Date: Tue, 27 Sep 2005 17:35:55 +0200

Did you try something like this?

<somethin.asp?page= 'UNION ALL SELECT name FROM sysobjects WHERE xtype='U

AFAIK MSysObjects is not an MS SQL Server table but an Access one.

I hope this helps

Jose

-----Mensaje original-----
De: Cedric Foll [mailto:cedric.foll () ac-rouen fr]
Enviado el: lunes, 26 de septiembre de 2005 16:01
Para: pen-test () securityfocus com
Asunto: MS SQL, find list of tables

Hi,

I'm doing a pen test on a IIS/MS SQL box and find a SQL Injection on it
which permit to execute some SQL command on it.

In fact I have a "select" where I can inject an "UNION something".
I'd like to use that in order to get login/passwd in the database.

I can do:
<somethin.asp?page=contact' UNION SELECT * FROM users WHERE '1'='1>
But the table users doesn't exist and I failed to guess an existing
table name :(.

I've tried:
<something.asp?page=contact' UNION SELECT * FROM MSysObjects'>
but I get
----
Microsoft OLE DB Provider for ODBC Drivers error '80040e09'

[Microsoft][ODBC Microsoft Access Driver] Record(s) cannot be read; no
read permission on 'MSysObjects'.
----

Someone has an idea ????

Regards

--
Cedric Foll
Ingénieur Sécurité & Réseaux
Division Informatique, Rectorat de Rouen

"More people are killed every year by pigs than by sharks,
which shows you how good we are at evaluating risk."
Bruce Schneier

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Hackers are concentrating their efforts on attacking applications on your
website. Up to 75% of cyber attacks are launched on shopping carts, forms,
login pages, dynamic content etc. Firewalls, SSL and locked-down servers are
futile against web application hacking. Check your website for vulnerabilities
to SQL injection, Cross site scripting and other web attacks before hackers do!
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