Vulnerability Development: RE: argc issue

["Chris Eagle" <cseagle () redshift com>]

padre () correo ugr es wrote:
>  if (argc)
>     exit (-1);
> But the main issue is " if (argc) exit(0);" . How can I 
> change the argc
> variable so it contais the value of 0?.
Take control your args and environment using execve.  You'll need to
understand how argv and envp are setup in memory in order do what you want
to do.  Try an empty argument vector and see what happens when you play
around with envp[0] if I recall correctly.

Chris