Re: argc issue

Dear padre_at_correo.ugr.es,

--Tuesday, May 23, 2006, 9:51:58 PM, you wrote to vuln-dev_at_securityfocus.com:

pcue> int main (int argc, char **argv)

pcue> But the main issue is " if (argc) exit(0);" . How can I change the argc
pcue> variable so it contais the value of 0?.

you can set argc of 0 with

execl(app, NULL);

but your chances to control argv[1] are very low. In most
implementations your argv[1] will be last NULL record from envp array.
You can try to play with envp though.

-- 
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