Vulnerability Development: Re: problem to exploit a stack overflow

[Valdis.Kletnieks () vt edu]

On Sun, 22 May 2005 18:20:35 -0000, migalo digalo said:
> hi all,
>
> first post  :-D
>
> ok,ok i am trying to exploit an example of stack overflow vunerable prog:
> in fact it work till the execution of the shellcode ,precisely the
> decode stage,so we get
> [+] eip <= RET_ADDRESS
> [+] jump esp
> [+] begin the shellcode execution
> [-] acces violation,in the decode stage:-x
You aren't trying to do this on a system that has a non-exec stack?

Also, it would help enormously if you were able to identify what ASM instruction
caused the access violation, and what the registers contained at the time....

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