RE: Buffer overflow and code execution on iSeries

Bob,

I'm still waiting for the coffee to finish brewing, but this kinda sounds 
like what we're using group jobs for....and alot easier to do...

Don in DC

On Wed, 20 Jul 2005, Bob Cozzi wrote:

> For years I sold a product named SUSPENSE that hooked the SEPT so that when
> the SysReq key was pressed, the end-user could either enter a command or
> select the regular SysReq Menu options. It was very widely received and
> utilized. I had no problems, but of course on each OS update, the customers
> had to reinstall the tool.
>
> -Bob Cozzi
> www.RPGxTools.com
> If everything is under control, you are going too slow.
> - Mario Andretti
>
> -----Original Message-----
> From: mi400-bounces-Zwy7GipZuJhWk0Htik3J/[email protected] [mailto:mi400-bounces-Zwy7GipZuJhWk0Htik3J/[email protected]] On
> Behalf Of jm penasse
> Sent: Wednesday, July 20, 2005 4:10 AM
> To: MI Programming on the AS400 / iSeries
> Subject: RE: [MI400] Buffer overflow and code execution on iSeries
>
> Steve,
>
>
>> All theory of course. The SEPT hook is something I always wanted
>> to try but
>> did not have the nerve for.  What is the worse that could happen?
>>  A system
>> crash??
>>
>> -Steve
>
> Each job has a pointer to the Sept in its PCO.
> So, you can create your own space, copy the original Sept into your space,
> in the PCO change the sept pointer to a pointer to your space. Voilà !
> You can change pointers in your space as you like, only your job will crash.
> Nevertheless I advise to restore original SEPT Pointer into PCO before
> ending your job. Entries in WCBT are reused, and new jobs may be started
> with your own "sept".
>
> Jean Michel
>
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